./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-send-receive.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_57867a27-0d3c-4e3a-8fa9-b906b64d3089/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57867a27-0d3c-4e3a-8fa9-b906b64d3089/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57867a27-0d3c-4e3a-8fa9-b906b64d3089/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57867a27-0d3c-4e3a-8fa9-b906b64d3089/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57867a27-0d3c-4e3a-8fa9-b906b64d3089/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57867a27-0d3c-4e3a-8fa9-b906b64d3089/bin/uautomizer-verify-aQ6SnzHsRB --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 04:54:14,075 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 04:54:14,165 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57867a27-0d3c-4e3a-8fa9-b906b64d3089/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-28 04:54:14,172 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 04:54:14,172 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 04:54:14,207 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 04:54:14,207 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 04:54:14,208 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 04:54:14,208 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 04:54:14,208 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 04:54:14,208 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 04:54:14,209 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 04:54:14,209 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 04:54:14,209 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 04:54:14,209 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 04:54:14,209 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 04:54:14,209 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 04:54:14,209 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 04:54:14,209 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 04:54:14,209 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 04:54:14,210 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 04:54:14,210 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 04:54:14,210 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-28 04:54:14,210 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-28 04:54:14,210 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 04:54:14,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 04:54:14,210 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 04:54:14,212 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 04:54:14,213 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 04:54:14,213 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:54:14,213 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:54:14,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:54:14,213 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 04:54:14,213 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 04:54:14,213 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 04:54:14,213 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:54:14,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 04:54:14,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 04:54:14,214 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 04:54:14,214 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 04:54:14,214 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 04:54:14,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 04:54:14,214 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 04:54:14,214 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 04:54:14,214 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 04:54:14,214 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 04:54:14,214 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_57867a27-0d3c-4e3a-8fa9-b906b64d3089/bin/uautomizer-verify-aQ6SnzHsRB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4eda2bf92bccdcc8638b67653fb7fdefc015ff9c815b317ad1009deb61d04585 [2024-11-28 04:54:14,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 04:54:14,531 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 04:54:14,533 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 04:54:14,535 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 04:54:14,535 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 04:54:14,536 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57867a27-0d3c-4e3a-8fa9-b906b64d3089/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2024-11-28 04:54:17,454 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57867a27-0d3c-4e3a-8fa9-b906b64d3089/bin/uautomizer-verify-aQ6SnzHsRB/data/89e20e0a9/8f7b57c3413248f19f92aad56e15a842/FLAGc7e527670 [2024-11-28 04:54:17,714 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 04:54:17,715 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57867a27-0d3c-4e3a-8fa9-b906b64d3089/sv-benchmarks/c/weaver/popl20-send-receive.wvr.c [2024-11-28 04:54:17,726 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57867a27-0d3c-4e3a-8fa9-b906b64d3089/bin/uautomizer-verify-aQ6SnzHsRB/data/89e20e0a9/8f7b57c3413248f19f92aad56e15a842/FLAGc7e527670 [2024-11-28 04:54:17,742 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57867a27-0d3c-4e3a-8fa9-b906b64d3089/bin/uautomizer-verify-aQ6SnzHsRB/data/89e20e0a9/8f7b57c3413248f19f92aad56e15a842 [2024-11-28 04:54:17,744 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 04:54:17,749 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 04:54:17,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 04:54:17,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 04:54:17,756 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 04:54:17,757 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:54:17" (1/1) ... [2024-11-28 04:54:17,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fa8d4ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:17, skipping insertion in model container [2024-11-28 04:54:17,761 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 04:54:17" (1/1) ... [2024-11-28 04:54:17,782 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 04:54:18,013 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:54:18,027 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 04:54:18,056 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 04:54:18,079 INFO L204 MainTranslator]: Completed translation [2024-11-28 04:54:18,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:18 WrapperNode [2024-11-28 04:54:18,081 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 04:54:18,082 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 04:54:18,082 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 04:54:18,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 04:54:18,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:18" (1/1) ... [2024-11-28 04:54:18,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:18" (1/1) ... [2024-11-28 04:54:18,122 INFO L138 Inliner]: procedures = 24, calls = 38, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 265 [2024-11-28 04:54:18,123 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 04:54:18,123 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 04:54:18,123 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 04:54:18,123 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 04:54:18,129 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:18" (1/1) ... [2024-11-28 04:54:18,130 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:18" (1/1) ... [2024-11-28 04:54:18,134 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:18" (1/1) ... [2024-11-28 04:54:18,134 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:18" (1/1) ... [2024-11-28 04:54:18,145 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:18" (1/1) ... [2024-11-28 04:54:18,146 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:18" (1/1) ... [2024-11-28 04:54:18,150 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:18" (1/1) ... [2024-11-28 04:54:18,152 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:18" (1/1) ... [2024-11-28 04:54:18,153 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:18" (1/1) ... [2024-11-28 04:54:18,156 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 04:54:18,157 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 04:54:18,157 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 04:54:18,157 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 04:54:18,165 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:18" (1/1) ... [2024-11-28 04:54:18,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 04:54:18,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57867a27-0d3c-4e3a-8fa9-b906b64d3089/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 04:54:18,208 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57867a27-0d3c-4e3a-8fa9-b906b64d3089/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 04:54:18,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57867a27-0d3c-4e3a-8fa9-b906b64d3089/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 04:54:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 04:54:18,241 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-28 04:54:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-28 04:54:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-28 04:54:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-28 04:54:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-28 04:54:18,242 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-28 04:54:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-28 04:54:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-28 04:54:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-28 04:54:18,242 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-28 04:54:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-28 04:54:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 04:54:18,243 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 04:54:18,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-28 04:54:18,244 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-28 04:54:18,362 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 04:54:18,364 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 04:54:19,038 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-28 04:54:19,040 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 04:54:19,520 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 04:54:19,523 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-28 04:54:19,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:54:19 BoogieIcfgContainer [2024-11-28 04:54:19,524 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 04:54:19,526 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 04:54:19,526 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 04:54:19,532 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 04:54:19,532 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 04:54:17" (1/3) ... [2024-11-28 04:54:19,534 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7ee060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:54:19, skipping insertion in model container [2024-11-28 04:54:19,534 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 04:54:18" (2/3) ... [2024-11-28 04:54:19,535 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@e7ee060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 04:54:19, skipping insertion in model container [2024-11-28 04:54:19,536 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:54:19" (3/3) ... [2024-11-28 04:54:19,537 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-send-receive.wvr.c [2024-11-28 04:54:19,556 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 04:54:19,558 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-send-receive.wvr.c that has 4 procedures, 207 locations, 1 initial locations, 3 loop locations, and 40 error locations. [2024-11-28 04:54:19,558 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-28 04:54:19,689 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-28 04:54:19,736 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 216 places, 217 transitions, 455 flow [2024-11-28 04:54:19,871 INFO L124 PetriNetUnfolderBase]: 11/214 cut-off events. [2024-11-28 04:54:19,873 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-28 04:54:19,887 INFO L83 FinitePrefix]: Finished finitePrefix Result has 227 conditions, 214 events. 11/214 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 326 event pairs, 0 based on Foata normal form. 0/163 useless extension candidates. Maximal degree in co-relation 197. Up to 2 conditions per place. [2024-11-28 04:54:19,887 INFO L82 GeneralOperation]: Start removeDead. Operand has 216 places, 217 transitions, 455 flow [2024-11-28 04:54:19,899 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 204 places, 205 transitions, 425 flow [2024-11-28 04:54:19,908 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 04:54:19,929 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;@b66151a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 04:54:19,930 INFO L334 AbstractCegarLoop]: Starting to check reachability of 75 error locations. [2024-11-28 04:54:19,940 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-28 04:54:19,941 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-28 04:54:19,941 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-28 04:54:19,941 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:19,942 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] [2024-11-28 04:54:19,942 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-28 04:54:19,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:19,950 INFO L85 PathProgramCache]: Analyzing trace with hash -1865609974, now seen corresponding path program 1 times [2024-11-28 04:54:19,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:19,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269214480] [2024-11-28 04:54:19,959 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:19,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:20,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:20,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:20,201 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:20,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269214480] [2024-11-28 04:54:20,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269214480] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:20,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:20,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:20,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764860933] [2024-11-28 04:54:20,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:20,214 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:20,219 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:20,247 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:20,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:20,280 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 217 [2024-11-28 04:54:20,284 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 205 transitions, 425 flow. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:20,284 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:20,284 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 217 [2024-11-28 04:54:20,285 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:20,510 INFO L124 PetriNetUnfolderBase]: 98/532 cut-off events. [2024-11-28 04:54:20,510 INFO L125 PetriNetUnfolderBase]: For 46/46 co-relation queries the response was YES. [2024-11-28 04:54:20,516 INFO L83 FinitePrefix]: Finished finitePrefix Result has 722 conditions, 532 events. 98/532 cut-off events. For 46/46 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 2481 event pairs, 53 based on Foata normal form. 36/475 useless extension candidates. Maximal degree in co-relation 566. Up to 142 conditions per place. [2024-11-28 04:54:20,522 INFO L140 encePairwiseOnDemand]: 179/217 looper letters, 17 selfloop transitions, 2 changer transitions 3/169 dead transitions. [2024-11-28 04:54:20,522 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 176 places, 169 transitions, 393 flow [2024-11-28 04:54:20,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:20,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:20,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 530 transitions. [2024-11-28 04:54:20,539 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8141321044546851 [2024-11-28 04:54:20,543 INFO L175 Difference]: Start difference. First operand has 204 places, 205 transitions, 425 flow. Second operand 3 states and 530 transitions. [2024-11-28 04:54:20,543 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 176 places, 169 transitions, 393 flow [2024-11-28 04:54:20,552 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 171 places, 169 transitions, 384 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:54:20,557 INFO L231 Difference]: Finished difference. Result has 171 places, 166 transitions, 341 flow [2024-11-28 04:54:20,561 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=344, PETRI_DIFFERENCE_MINUEND_PLACES=169, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=169, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=167, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=341, PETRI_PLACES=171, PETRI_TRANSITIONS=166} [2024-11-28 04:54:20,566 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -33 predicate places. [2024-11-28 04:54:20,567 INFO L471 AbstractCegarLoop]: Abstraction has has 171 places, 166 transitions, 341 flow [2024-11-28 04:54:20,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:20,568 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:20,568 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] [2024-11-28 04:54:20,569 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 04:54:20,569 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-28 04:54:20,570 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:20,570 INFO L85 PathProgramCache]: Analyzing trace with hash -1765087265, now seen corresponding path program 1 times [2024-11-28 04:54:20,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:20,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535800968] [2024-11-28 04:54:20,571 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:20,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:20,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:20,672 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:20,672 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535800968] [2024-11-28 04:54:20,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535800968] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:20,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:20,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:20,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [296112848] [2024-11-28 04:54:20,673 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:20,674 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:20,674 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:20,675 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:20,675 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:20,698 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 159 out of 217 [2024-11-28 04:54:20,699 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 171 places, 166 transitions, 341 flow. Second operand has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:20,700 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:20,700 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 159 of 217 [2024-11-28 04:54:20,700 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:20,886 INFO L124 PetriNetUnfolderBase]: 79/502 cut-off events. [2024-11-28 04:54:20,886 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES. [2024-11-28 04:54:20,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 640 conditions, 502 events. 79/502 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 2260 event pairs, 37 based on Foata normal form. 0/415 useless extension candidates. Maximal degree in co-relation 609. Up to 110 conditions per place. [2024-11-28 04:54:20,893 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 16 selfloop transitions, 2 changer transitions 0/165 dead transitions. [2024-11-28 04:54:20,893 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 169 places, 165 transitions, 375 flow [2024-11-28 04:54:20,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:20,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:20,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 496 transitions. [2024-11-28 04:54:20,896 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7619047619047619 [2024-11-28 04:54:20,896 INFO L175 Difference]: Start difference. First operand has 171 places, 166 transitions, 341 flow. Second operand 3 states and 496 transitions. [2024-11-28 04:54:20,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 169 places, 165 transitions, 375 flow [2024-11-28 04:54:20,901 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 165 transitions, 371 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:54:20,905 INFO L231 Difference]: Finished difference. Result has 167 places, 165 transitions, 339 flow [2024-11-28 04:54:20,906 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=335, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=165, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=163, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=339, PETRI_PLACES=167, PETRI_TRANSITIONS=165} [2024-11-28 04:54:20,907 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -37 predicate places. [2024-11-28 04:54:20,908 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 165 transitions, 339 flow [2024-11-28 04:54:20,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 160.33333333333334) internal successors, (481), 3 states have internal predecessors, (481), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:20,909 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:20,909 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] [2024-11-28 04:54:20,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 04:54:20,909 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-28 04:54:20,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:20,910 INFO L85 PathProgramCache]: Analyzing trace with hash -423721885, now seen corresponding path program 1 times [2024-11-28 04:54:20,910 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:20,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [908612216] [2024-11-28 04:54:20,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:20,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:20,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:20,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:20,989 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:20,989 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [908612216] [2024-11-28 04:54:20,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [908612216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:20,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:20,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:20,989 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1430339886] [2024-11-28 04:54:20,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:20,990 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:20,990 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:20,990 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:20,990 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:21,008 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 163 out of 217 [2024-11-28 04:54:21,009 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 165 transitions, 339 flow. Second operand has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:21,009 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:21,009 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 163 of 217 [2024-11-28 04:54:21,009 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:21,212 INFO L124 PetriNetUnfolderBase]: 114/723 cut-off events. [2024-11-28 04:54:21,212 INFO L125 PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES. [2024-11-28 04:54:21,215 INFO L83 FinitePrefix]: Finished finitePrefix Result has 911 conditions, 723 events. 114/723 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 4049 event pairs, 48 based on Foata normal form. 0/591 useless extension candidates. Maximal degree in co-relation 872. Up to 87 conditions per place. [2024-11-28 04:54:21,222 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 22 selfloop transitions, 2 changer transitions 0/173 dead transitions. [2024-11-28 04:54:21,222 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 173 transitions, 407 flow [2024-11-28 04:54:21,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:21,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:21,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 514 transitions. [2024-11-28 04:54:21,224 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7895545314900153 [2024-11-28 04:54:21,224 INFO L175 Difference]: Start difference. First operand has 167 places, 165 transitions, 339 flow. Second operand 3 states and 514 transitions. [2024-11-28 04:54:21,224 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 173 transitions, 407 flow [2024-11-28 04:54:21,229 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 173 transitions, 403 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:54:21,236 INFO L231 Difference]: Finished difference. Result has 167 places, 165 transitions, 343 flow [2024-11-28 04:54:21,237 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=333, PETRI_DIFFERENCE_MINUEND_PLACES=164, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=343, PETRI_PLACES=167, PETRI_TRANSITIONS=165} [2024-11-28 04:54:21,238 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -37 predicate places. [2024-11-28 04:54:21,238 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 165 transitions, 343 flow [2024-11-28 04:54:21,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:21,238 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:21,238 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] [2024-11-28 04:54:21,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 04:54:21,239 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-28 04:54:21,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:21,242 INFO L85 PathProgramCache]: Analyzing trace with hash -1565338033, now seen corresponding path program 1 times [2024-11-28 04:54:21,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:21,242 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031771778] [2024-11-28 04:54:21,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:21,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:21,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:21,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:21,324 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:21,324 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031771778] [2024-11-28 04:54:21,324 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2031771778] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:21,324 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:21,324 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:21,324 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1577442287] [2024-11-28 04:54:21,324 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:21,325 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:21,325 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:21,325 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:21,325 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:21,380 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 158 out of 217 [2024-11-28 04:54:21,380 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 165 transitions, 343 flow. Second operand has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:21,381 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:21,381 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 158 of 217 [2024-11-28 04:54:21,381 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:21,590 INFO L124 PetriNetUnfolderBase]: 165/756 cut-off events. [2024-11-28 04:54:21,591 INFO L125 PetriNetUnfolderBase]: For 53/53 co-relation queries the response was YES. [2024-11-28 04:54:21,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1094 conditions, 756 events. 165/756 cut-off events. For 53/53 co-relation queries the response was YES. Maximal size of possible extension queue 41. Compared 4299 event pairs, 103 based on Foata normal form. 0/627 useless extension candidates. Maximal degree in co-relation 690. Up to 239 conditions per place. [2024-11-28 04:54:21,597 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 18 selfloop transitions, 2 changer transitions 0/164 dead transitions. [2024-11-28 04:54:21,598 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 164 transitions, 381 flow [2024-11-28 04:54:21,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:21,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:21,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 494 transitions. [2024-11-28 04:54:21,600 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7588325652841782 [2024-11-28 04:54:21,602 INFO L175 Difference]: Start difference. First operand has 167 places, 165 transitions, 343 flow. Second operand 3 states and 494 transitions. [2024-11-28 04:54:21,602 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 164 transitions, 381 flow [2024-11-28 04:54:21,604 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 167 places, 164 transitions, 379 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:54:21,607 INFO L231 Difference]: Finished difference. Result has 167 places, 164 transitions, 343 flow [2024-11-28 04:54:21,609 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=339, PETRI_DIFFERENCE_MINUEND_PLACES=165, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=164, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=162, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=343, PETRI_PLACES=167, PETRI_TRANSITIONS=164} [2024-11-28 04:54:21,610 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -37 predicate places. [2024-11-28 04:54:21,610 INFO L471 AbstractCegarLoop]: Abstraction has has 167 places, 164 transitions, 343 flow [2024-11-28 04:54:21,611 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 159.33333333333334) internal successors, (478), 3 states have internal predecessors, (478), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:21,611 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:21,611 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] [2024-11-28 04:54:21,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 04:54:21,612 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-28 04:54:21,613 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:21,614 INFO L85 PathProgramCache]: Analyzing trace with hash 421252330, now seen corresponding path program 1 times [2024-11-28 04:54:21,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:21,614 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [375132251] [2024-11-28 04:54:21,615 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:21,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:21,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:21,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:21,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [375132251] [2024-11-28 04:54:21,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [375132251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:21,693 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:21,693 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:21,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653148307] [2024-11-28 04:54:21,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:21,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:21,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:21,696 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:21,696 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:21,711 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 217 [2024-11-28 04:54:21,712 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 167 places, 164 transitions, 343 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:21,712 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:21,712 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 217 [2024-11-28 04:54:21,712 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:21,865 INFO L124 PetriNetUnfolderBase]: 113/681 cut-off events. [2024-11-28 04:54:21,865 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-11-28 04:54:21,868 INFO L83 FinitePrefix]: Finished finitePrefix Result has 893 conditions, 681 events. 113/681 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 36. Compared 3747 event pairs, 57 based on Foata normal form. 0/559 useless extension candidates. Maximal degree in co-relation 845. Up to 155 conditions per place. [2024-11-28 04:54:21,870 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 16 selfloop transitions, 2 changer transitions 0/163 dead transitions. [2024-11-28 04:54:21,872 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 163 transitions, 377 flow [2024-11-28 04:54:21,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:21,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:21,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 498 transitions. [2024-11-28 04:54:21,874 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7649769585253456 [2024-11-28 04:54:21,874 INFO L175 Difference]: Start difference. First operand has 167 places, 164 transitions, 343 flow. Second operand 3 states and 498 transitions. [2024-11-28 04:54:21,874 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 163 transitions, 377 flow [2024-11-28 04:54:21,875 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 163 transitions, 373 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:54:21,881 INFO L231 Difference]: Finished difference. Result has 166 places, 163 transitions, 341 flow [2024-11-28 04:54:21,881 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=337, PETRI_DIFFERENCE_MINUEND_PLACES=164, 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=341, PETRI_PLACES=166, PETRI_TRANSITIONS=163} [2024-11-28 04:54:21,882 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -38 predicate places. [2024-11-28 04:54:21,882 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 163 transitions, 341 flow [2024-11-28 04:54:21,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:21,882 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:21,883 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] [2024-11-28 04:54:21,883 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 04:54:21,883 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-28 04:54:21,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:21,888 INFO L85 PathProgramCache]: Analyzing trace with hash -365472674, now seen corresponding path program 1 times [2024-11-28 04:54:21,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:21,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167300155] [2024-11-28 04:54:21,888 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:21,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:21,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:21,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:21,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:21,969 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167300155] [2024-11-28 04:54:21,969 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1167300155] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:21,969 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:21,969 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:21,969 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757145810] [2024-11-28 04:54:21,969 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:21,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:21,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:21,970 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:21,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:22,002 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 217 [2024-11-28 04:54:22,003 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 163 transitions, 341 flow. Second operand has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:22,003 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:22,003 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 217 [2024-11-28 04:54:22,004 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:22,184 INFO L124 PetriNetUnfolderBase]: 171/772 cut-off events. [2024-11-28 04:54:22,185 INFO L125 PetriNetUnfolderBase]: For 52/52 co-relation queries the response was YES. [2024-11-28 04:54:22,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1100 conditions, 772 events. 171/772 cut-off events. For 52/52 co-relation queries the response was YES. Maximal size of possible extension queue 43. Compared 4505 event pairs, 103 based on Foata normal form. 0/653 useless extension candidates. Maximal degree in co-relation 1047. Up to 243 conditions per place. [2024-11-28 04:54:22,190 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 17 selfloop transitions, 1 changer transitions 0/161 dead transitions. [2024-11-28 04:54:22,190 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 161 transitions, 373 flow [2024-11-28 04:54:22,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:22,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:22,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 499 transitions. [2024-11-28 04:54:22,193 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7665130568356375 [2024-11-28 04:54:22,193 INFO L175 Difference]: Start difference. First operand has 166 places, 163 transitions, 341 flow. Second operand 3 states and 499 transitions. [2024-11-28 04:54:22,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 161 transitions, 373 flow [2024-11-28 04:54:22,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 161 transitions, 369 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:54:22,197 INFO L231 Difference]: Finished difference. Result has 164 places, 161 transitions, 335 flow [2024-11-28 04:54:22,197 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=333, PETRI_DIFFERENCE_MINUEND_PLACES=162, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=161, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=160, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=335, PETRI_PLACES=164, PETRI_TRANSITIONS=161} [2024-11-28 04:54:22,198 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -40 predicate places. [2024-11-28 04:54:22,198 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 161 transitions, 335 flow [2024-11-28 04:54:22,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.0) internal successors, (483), 3 states have internal predecessors, (483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:22,199 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:22,199 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] [2024-11-28 04:54:22,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 04:54:22,201 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-28 04:54:22,201 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:22,201 INFO L85 PathProgramCache]: Analyzing trace with hash 865703645, now seen corresponding path program 1 times [2024-11-28 04:54:22,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:22,201 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794553935] [2024-11-28 04:54:22,202 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:22,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:22,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:22,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:22,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794553935] [2024-11-28 04:54:22,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794553935] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:22,320 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:22,320 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:22,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693273091] [2024-11-28 04:54:22,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:22,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:22,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:22,321 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:22,321 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:22,334 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 217 [2024-11-28 04:54:22,335 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 161 transitions, 335 flow. Second operand has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:22,335 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:22,335 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 217 [2024-11-28 04:54:22,335 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:22,474 INFO L124 PetriNetUnfolderBase]: 113/666 cut-off events. [2024-11-28 04:54:22,474 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-11-28 04:54:22,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 877 conditions, 666 events. 113/666 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3594 event pairs, 57 based on Foata normal form. 0/559 useless extension candidates. Maximal degree in co-relation 824. Up to 155 conditions per place. [2024-11-28 04:54:22,478 INFO L140 encePairwiseOnDemand]: 214/217 looper letters, 16 selfloop transitions, 2 changer transitions 0/160 dead transitions. [2024-11-28 04:54:22,479 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 165 places, 160 transitions, 369 flow [2024-11-28 04:54:22,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:22,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:22,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 498 transitions. [2024-11-28 04:54:22,481 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7649769585253456 [2024-11-28 04:54:22,481 INFO L175 Difference]: Start difference. First operand has 164 places, 161 transitions, 335 flow. Second operand 3 states and 498 transitions. [2024-11-28 04:54:22,481 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 165 places, 160 transitions, 369 flow [2024-11-28 04:54:22,482 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 164 places, 160 transitions, 368 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-28 04:54:22,484 INFO L231 Difference]: Finished difference. Result has 164 places, 160 transitions, 336 flow [2024-11-28 04:54:22,484 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=332, PETRI_DIFFERENCE_MINUEND_PLACES=162, 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=336, PETRI_PLACES=164, PETRI_TRANSITIONS=160} [2024-11-28 04:54:22,485 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -40 predicate places. [2024-11-28 04:54:22,485 INFO L471 AbstractCegarLoop]: Abstraction has has 164 places, 160 transitions, 336 flow [2024-11-28 04:54:22,486 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 161.33333333333334) internal successors, (484), 3 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:22,486 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:22,486 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] [2024-11-28 04:54:22,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 04:54:22,486 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-28 04:54:22,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:22,489 INFO L85 PathProgramCache]: Analyzing trace with hash 661905511, now seen corresponding path program 1 times [2024-11-28 04:54:22,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:22,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [45258098] [2024-11-28 04:54:22,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:22,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:22,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:23,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:23,362 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:23,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [45258098] [2024-11-28 04:54:23,363 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [45258098] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:23,363 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:23,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 04:54:23,364 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563116350] [2024-11-28 04:54:23,364 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:23,364 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 04:54:23,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:23,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 04:54:23,365 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-28 04:54:23,471 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 153 out of 217 [2024-11-28 04:54:23,472 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 164 places, 160 transitions, 336 flow. Second operand has 6 states, 6 states have (on average 154.5) internal successors, (927), 6 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:23,472 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:23,473 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 153 of 217 [2024-11-28 04:54:23,473 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:23,629 INFO L124 PetriNetUnfolderBase]: 113/665 cut-off events. [2024-11-28 04:54:23,629 INFO L125 PetriNetUnfolderBase]: For 32/32 co-relation queries the response was YES. [2024-11-28 04:54:23,631 INFO L83 FinitePrefix]: Finished finitePrefix Result has 886 conditions, 665 events. 113/665 cut-off events. For 32/32 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3594 event pairs, 57 based on Foata normal form. 0/559 useless extension candidates. Maximal degree in co-relation 834. Up to 160 conditions per place. [2024-11-28 04:54:23,634 INFO L140 encePairwiseOnDemand]: 211/217 looper letters, 21 selfloop transitions, 5 changer transitions 0/159 dead transitions. [2024-11-28 04:54:23,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 168 places, 159 transitions, 386 flow [2024-11-28 04:54:23,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 04:54:23,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-28 04:54:23,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 944 transitions. [2024-11-28 04:54:23,637 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7250384024577573 [2024-11-28 04:54:23,637 INFO L175 Difference]: Start difference. First operand has 164 places, 160 transitions, 336 flow. Second operand 6 states and 944 transitions. [2024-11-28 04:54:23,637 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 168 places, 159 transitions, 386 flow [2024-11-28 04:54:23,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 166 places, 159 transitions, 382 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-28 04:54:23,644 INFO L231 Difference]: Finished difference. Result has 166 places, 159 transitions, 340 flow [2024-11-28 04:54:23,648 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=330, PETRI_DIFFERENCE_MINUEND_PLACES=161, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=159, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=154, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=340, PETRI_PLACES=166, PETRI_TRANSITIONS=159} [2024-11-28 04:54:23,648 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -38 predicate places. [2024-11-28 04:54:23,652 INFO L471 AbstractCegarLoop]: Abstraction has has 166 places, 159 transitions, 340 flow [2024-11-28 04:54:23,653 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 154.5) internal successors, (927), 6 states have internal predecessors, (927), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:23,653 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-28 04:54:23,653 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] [2024-11-28 04:54:23,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 04:54:23,653 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting thread2Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 71 more)] === [2024-11-28 04:54:23,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 04:54:23,654 INFO L85 PathProgramCache]: Analyzing trace with hash -1795647535, now seen corresponding path program 1 times [2024-11-28 04:54:23,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 04:54:23,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579549305] [2024-11-28 04:54:23,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 04:54:23,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 04:54:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 04:54:23,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 04:54:23,759 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 04:54:23,759 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579549305] [2024-11-28 04:54:23,759 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1579549305] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 04:54:23,759 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 04:54:23,759 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 04:54:23,760 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [616411427] [2024-11-28 04:54:23,760 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 04:54:23,760 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 04:54:23,760 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 04:54:23,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 04:54:23,762 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 04:54:23,785 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 160 out of 217 [2024-11-28 04:54:23,786 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 166 places, 159 transitions, 340 flow. Second operand has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:23,786 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-28 04:54:23,786 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 160 of 217 [2024-11-28 04:54:23,786 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-28 04:54:23,977 INFO L124 PetriNetUnfolderBase]: 246/861 cut-off events. [2024-11-28 04:54:23,977 INFO L125 PetriNetUnfolderBase]: For 82/82 co-relation queries the response was YES. [2024-11-28 04:54:23,980 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1353 conditions, 861 events. 246/861 cut-off events. For 82/82 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 4900 event pairs, 56 based on Foata normal form. 0/773 useless extension candidates. Maximal degree in co-relation 1334. Up to 251 conditions per place. [2024-11-28 04:54:23,981 INFO L140 encePairwiseOnDemand]: 211/217 looper letters, 0 selfloop transitions, 0 changer transitions 168/168 dead transitions. [2024-11-28 04:54:23,981 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 166 places, 168 transitions, 424 flow [2024-11-28 04:54:23,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 04:54:23,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-28 04:54:23,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 509 transitions. [2024-11-28 04:54:23,983 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7818740399385561 [2024-11-28 04:54:23,983 INFO L175 Difference]: Start difference. First operand has 166 places, 159 transitions, 340 flow. Second operand 3 states and 509 transitions. [2024-11-28 04:54:23,984 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 166 places, 168 transitions, 424 flow [2024-11-28 04:54:23,985 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 161 places, 168 transitions, 414 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-28 04:54:23,987 INFO L231 Difference]: Finished difference. Result has 161 places, 0 transitions, 0 flow [2024-11-28 04:54:23,987 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=217, PETRI_DIFFERENCE_MINUEND_FLOW=326, PETRI_DIFFERENCE_MINUEND_PLACES=159, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=157, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=157, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=161, PETRI_TRANSITIONS=0} [2024-11-28 04:54:23,988 INFO L279 CegarLoopForPetriNet]: 204 programPoint places, -43 predicate places. [2024-11-28 04:54:23,988 INFO L471 AbstractCegarLoop]: Abstraction has has 161 places, 0 transitions, 0 flow [2024-11-28 04:54:23,988 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 162.0) internal successors, (486), 3 states have internal predecessors, (486), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 04:54:23,991 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (74 of 75 remaining) [2024-11-28 04:54:23,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (73 of 75 remaining) [2024-11-28 04:54:23,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (72 of 75 remaining) [2024-11-28 04:54:23,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (71 of 75 remaining) [2024-11-28 04:54:23,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (70 of 75 remaining) [2024-11-28 04:54:23,993 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (69 of 75 remaining) [2024-11-28 04:54:23,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (68 of 75 remaining) [2024-11-28 04:54:23,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (67 of 75 remaining) [2024-11-28 04:54:23,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (66 of 75 remaining) [2024-11-28 04:54:23,994 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (65 of 75 remaining) [2024-11-28 04:54:23,995 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (64 of 75 remaining) [2024-11-28 04:54:23,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (63 of 75 remaining) [2024-11-28 04:54:23,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (62 of 75 remaining) [2024-11-28 04:54:23,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (61 of 75 remaining) [2024-11-28 04:54:23,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (60 of 75 remaining) [2024-11-28 04:54:23,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (59 of 75 remaining) [2024-11-28 04:54:23,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (58 of 75 remaining) [2024-11-28 04:54:23,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (57 of 75 remaining) [2024-11-28 04:54:23,996 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (56 of 75 remaining) [2024-11-28 04:54:23,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (55 of 75 remaining) [2024-11-28 04:54:23,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (54 of 75 remaining) [2024-11-28 04:54:23,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (53 of 75 remaining) [2024-11-28 04:54:23,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (52 of 75 remaining) [2024-11-28 04:54:23,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (51 of 75 remaining) [2024-11-28 04:54:23,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (50 of 75 remaining) [2024-11-28 04:54:23,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (49 of 75 remaining) [2024-11-28 04:54:23,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (48 of 75 remaining) [2024-11-28 04:54:23,997 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (47 of 75 remaining) [2024-11-28 04:54:23,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (46 of 75 remaining) [2024-11-28 04:54:23,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (45 of 75 remaining) [2024-11-28 04:54:23,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (44 of 75 remaining) [2024-11-28 04:54:23,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (43 of 75 remaining) [2024-11-28 04:54:23,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (42 of 75 remaining) [2024-11-28 04:54:23,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (41 of 75 remaining) [2024-11-28 04:54:23,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (40 of 75 remaining) [2024-11-28 04:54:23,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (39 of 75 remaining) [2024-11-28 04:54:23,998 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (38 of 75 remaining) [2024-11-28 04:54:23,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (37 of 75 remaining) [2024-11-28 04:54:23,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (36 of 75 remaining) [2024-11-28 04:54:23,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (35 of 75 remaining) [2024-11-28 04:54:23,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 75 remaining) [2024-11-28 04:54:23,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 75 remaining) [2024-11-28 04:54:23,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 75 remaining) [2024-11-28 04:54:23,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 75 remaining) [2024-11-28 04:54:23,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (30 of 75 remaining) [2024-11-28 04:54:23,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (29 of 75 remaining) [2024-11-28 04:54:23,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (28 of 75 remaining) [2024-11-28 04:54:23,999 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (27 of 75 remaining) [2024-11-28 04:54:24,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (26 of 75 remaining) [2024-11-28 04:54:24,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (25 of 75 remaining) [2024-11-28 04:54:24,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (24 of 75 remaining) [2024-11-28 04:54:24,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (23 of 75 remaining) [2024-11-28 04:54:24,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (22 of 75 remaining) [2024-11-28 04:54:24,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (21 of 75 remaining) [2024-11-28 04:54:24,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (20 of 75 remaining) [2024-11-28 04:54:24,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (19 of 75 remaining) [2024-11-28 04:54:24,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (18 of 75 remaining) [2024-11-28 04:54:24,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (17 of 75 remaining) [2024-11-28 04:54:24,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (16 of 75 remaining) [2024-11-28 04:54:24,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (15 of 75 remaining) [2024-11-28 04:54:24,000 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (14 of 75 remaining) [2024-11-28 04:54:24,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (13 of 75 remaining) [2024-11-28 04:54:24,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (12 of 75 remaining) [2024-11-28 04:54:24,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (11 of 75 remaining) [2024-11-28 04:54:24,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (10 of 75 remaining) [2024-11-28 04:54:24,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (9 of 75 remaining) [2024-11-28 04:54:24,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (8 of 75 remaining) [2024-11-28 04:54:24,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (7 of 75 remaining) [2024-11-28 04:54:24,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (6 of 75 remaining) [2024-11-28 04:54:24,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (5 of 75 remaining) [2024-11-28 04:54:24,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (4 of 75 remaining) [2024-11-28 04:54:24,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (3 of 75 remaining) [2024-11-28 04:54:24,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (2 of 75 remaining) [2024-11-28 04:54:24,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (1 of 75 remaining) [2024-11-28 04:54:24,001 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (0 of 75 remaining) [2024-11-28 04:54:24,002 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 04:54:24,002 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 04:54:24,012 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-28 04:54:24,012 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 04:54:24,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 04:54:24 BasicIcfg [2024-11-28 04:54:24,022 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 04:54:24,023 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 04:54:24,023 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 04:54:24,023 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 04:54:24,023 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 04:54:19" (3/4) ... [2024-11-28 04:54:24,025 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 04:54:24,027 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-28 04:54:24,028 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-28 04:54:24,028 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-28 04:54:24,033 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2024-11-28 04:54:24,033 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 04:54:24,033 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-28 04:54:24,033 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 04:54:24,119 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57867a27-0d3c-4e3a-8fa9-b906b64d3089/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 04:54:24,119 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57867a27-0d3c-4e3a-8fa9-b906b64d3089/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 04:54:24,119 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 04:54:24,120 INFO L158 Benchmark]: Toolchain (without parser) took 6371.76ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 92.7MB in the beginning and 59.4MB in the end (delta: 33.3MB). Peak memory consumption was 62.4MB. Max. memory is 16.1GB. [2024-11-28 04:54:24,121 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:54:24,121 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.19ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 79.7MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 04:54:24,121 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.67ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:54:24,122 INFO L158 Benchmark]: Boogie Preprocessor took 33.21ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 75.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:54:24,122 INFO L158 Benchmark]: RCFGBuilder took 1367.32ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 61.2MB in the end (delta: 14.4MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2024-11-28 04:54:24,123 INFO L158 Benchmark]: TraceAbstraction took 4496.03ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 60.6MB in the beginning and 64.8MB in the end (delta: -4.2MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. [2024-11-28 04:54:24,123 INFO L158 Benchmark]: Witness Printer took 96.95ms. Allocated memory is still 151.0MB. Free memory was 64.8MB in the beginning and 59.4MB in the end (delta: 5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 04:54:24,125 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory was 73.0MB in the beginning and 72.9MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.19ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 79.7MB in the end (delta: 12.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.67ms. Allocated memory is still 117.4MB. Free memory was 79.7MB in the beginning and 77.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 33.21ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 75.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1367.32ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 61.2MB in the end (delta: 14.4MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * TraceAbstraction took 4496.03ms. Allocated memory was 117.4MB in the beginning and 151.0MB in the end (delta: 33.6MB). Free memory was 60.6MB in the beginning and 64.8MB in the end (delta: -4.2MB). Peak memory consumption was 32.1MB. Max. memory is 16.1GB. * Witness Printer took 96.95ms. Allocated memory is still 151.0MB. Free memory was 64.8MB in the beginning and 59.4MB in the end (delta: 5.4MB). 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: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 54]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 58]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 79]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 105]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 107]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 128]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 7 procedures, 284 locations, 75 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: 4.3s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 164 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 78 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 367 IncrementalHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 24 mSDtfsCounter, 367 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=425occurred in iteration=0, InterpolantAutomatonStates: 30, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 468 NumberOfCodeBlocks, 468 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 459 ConstructedInterpolants, 0 QuantifiedInterpolants, 590 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 40 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-28 04:54:24,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57867a27-0d3c-4e3a-8fa9-b906b64d3089/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE