./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/test-context1.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_6ee4e337-2e64-439c-8d6d-5ae39bec896c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee4e337-2e64-439c-8d6d-5ae39bec896c/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_6ee4e337-2e64-439c-8d6d-5ae39bec896c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee4e337-2e64-439c-8d6d-5ae39bec896c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/test-context1.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee4e337-2e64-439c-8d6d-5ae39bec896c/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_6ee4e337-2e64-439c-8d6d-5ae39bec896c/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 d63a80d2bfe8ff8bb62e6b5083cee589f2cb0f37dc67867654ab7601d82af23e --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-27 20:26:46,172 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-27 20:26:46,260 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee4e337-2e64-439c-8d6d-5ae39bec896c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-27 20:26:46,265 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-27 20:26:46,266 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-27 20:26:46,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-27 20:26:46,303 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-27 20:26:46,304 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-27 20:26:46,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-27 20:26:46,304 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-27 20:26:46,304 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-27 20:26:46,304 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-27 20:26:46,305 INFO L153 SettingsManager]: * Use SBE=true [2024-11-27 20:26:46,305 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-27 20:26:46,305 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-27 20:26:46,305 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-27 20:26:46,305 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-27 20:26:46,305 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-27 20:26:46,305 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-27 20:26:46,305 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-27 20:26:46,305 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-27 20:26:46,305 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-27 20:26:46,305 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-27 20:26:46,306 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-27 20:26:46,306 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-27 20:26:46,306 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-27 20:26:46,306 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-27 20:26:46,306 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-27 20:26:46,306 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-27 20:26:46,306 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:26:46,306 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:26:46,306 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:26:46,309 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-27 20:26:46,309 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-27 20:26:46,309 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-27 20:26:46,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:26:46,310 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-27 20:26:46,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-27 20:26:46,310 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-27 20:26:46,310 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-27 20:26:46,310 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-27 20:26:46,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-27 20:26:46,310 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-27 20:26:46,310 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-27 20:26:46,311 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-27 20:26:46,311 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-27 20:26:46,311 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_6ee4e337-2e64-439c-8d6d-5ae39bec896c/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 -> d63a80d2bfe8ff8bb62e6b5083cee589f2cb0f37dc67867654ab7601d82af23e [2024-11-27 20:26:46,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-27 20:26:46,658 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-27 20:26:46,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-27 20:26:46,663 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-27 20:26:46,665 INFO L274 PluginConnector]: CDTParser initialized [2024-11-27 20:26:46,666 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee4e337-2e64-439c-8d6d-5ae39bec896c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/weaver/test-context1.wvr.c [2024-11-27 20:26:49,580 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee4e337-2e64-439c-8d6d-5ae39bec896c/bin/uautomizer-verify-aQ6SnzHsRB/data/f68e47311/f4fad5b577d644978650006839f492cf/FLAG031b64d61 [2024-11-27 20:26:49,804 INFO L384 CDTParser]: Found 1 translation units. [2024-11-27 20:26:49,806 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee4e337-2e64-439c-8d6d-5ae39bec896c/sv-benchmarks/c/weaver/test-context1.wvr.c [2024-11-27 20:26:49,814 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee4e337-2e64-439c-8d6d-5ae39bec896c/bin/uautomizer-verify-aQ6SnzHsRB/data/f68e47311/f4fad5b577d644978650006839f492cf/FLAG031b64d61 [2024-11-27 20:26:49,827 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee4e337-2e64-439c-8d6d-5ae39bec896c/bin/uautomizer-verify-aQ6SnzHsRB/data/f68e47311/f4fad5b577d644978650006839f492cf [2024-11-27 20:26:49,829 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-27 20:26:49,831 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-27 20:26:49,832 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-27 20:26:49,832 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-27 20:26:49,836 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-27 20:26:49,837 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:26:49" (1/1) ... [2024-11-27 20:26:49,838 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5395310d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:49, skipping insertion in model container [2024-11-27 20:26:49,838 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 08:26:49" (1/1) ... [2024-11-27 20:26:49,856 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-27 20:26:50,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:26:50,037 INFO L200 MainTranslator]: Completed pre-run [2024-11-27 20:26:50,068 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-27 20:26:50,083 INFO L204 MainTranslator]: Completed translation [2024-11-27 20:26:50,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:50 WrapperNode [2024-11-27 20:26:50,084 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-27 20:26:50,085 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-27 20:26:50,085 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-27 20:26:50,085 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-27 20:26:50,092 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:50" (1/1) ... [2024-11-27 20:26:50,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:50" (1/1) ... [2024-11-27 20:26:50,124 INFO L138 Inliner]: procedures = 23, calls = 25, calls flagged for inlining = 11, calls inlined = 11, statements flattened = 217 [2024-11-27 20:26:50,124 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-27 20:26:50,125 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-27 20:26:50,125 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-27 20:26:50,125 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-27 20:26:50,133 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:50" (1/1) ... [2024-11-27 20:26:50,134 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:50" (1/1) ... [2024-11-27 20:26:50,137 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:50" (1/1) ... [2024-11-27 20:26:50,137 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:50" (1/1) ... [2024-11-27 20:26:50,157 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:50" (1/1) ... [2024-11-27 20:26:50,158 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:50" (1/1) ... [2024-11-27 20:26:50,166 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:50" (1/1) ... [2024-11-27 20:26:50,167 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:50" (1/1) ... [2024-11-27 20:26:50,172 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:50" (1/1) ... [2024-11-27 20:26:50,175 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-27 20:26:50,180 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-27 20:26:50,180 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-27 20:26:50,180 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-27 20:26:50,181 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:50" (1/1) ... [2024-11-27 20:26:50,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-27 20:26:50,208 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee4e337-2e64-439c-8d6d-5ae39bec896c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-27 20:26:50,223 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee4e337-2e64-439c-8d6d-5ae39bec896c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-27 20:26:50,231 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee4e337-2e64-439c-8d6d-5ae39bec896c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-27 20:26:50,257 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-27 20:26:50,257 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-27 20:26:50,257 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-27 20:26:50,257 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-27 20:26:50,258 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-27 20:26:50,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-27 20:26:50,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-27 20:26:50,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-27 20:26:50,258 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-27 20:26:50,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-27 20:26:50,258 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-27 20:26:50,258 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-27 20:26:50,259 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-27 20:26:50,260 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-27 20:26:50,390 INFO L234 CfgBuilder]: Building ICFG [2024-11-27 20:26:50,392 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-27 20:26:50,915 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-27 20:26:50,915 INFO L283 CfgBuilder]: Performing block encoding [2024-11-27 20:26:51,440 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-27 20:26:51,441 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-27 20:26:51,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:26:51 BoogieIcfgContainer [2024-11-27 20:26:51,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-27 20:26:51,447 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-27 20:26:51,447 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-27 20:26:51,453 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-27 20:26:51,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 08:26:49" (1/3) ... [2024-11-27 20:26:51,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d1999e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:26:51, skipping insertion in model container [2024-11-27 20:26:51,454 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 08:26:50" (2/3) ... [2024-11-27 20:26:51,454 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d1999e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 08:26:51, skipping insertion in model container [2024-11-27 20:26:51,455 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:26:51" (3/3) ... [2024-11-27 20:26:51,456 INFO L128 eAbstractionObserver]: Analyzing ICFG test-context1.wvr.c [2024-11-27 20:26:51,477 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-27 20:26:51,479 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG test-context1.wvr.c that has 3 procedures, 159 locations, 1 initial locations, 3 loop locations, and 29 error locations. [2024-11-27 20:26:51,479 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-27 20:26:51,568 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-27 20:26:51,613 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 165 places, 167 transitions, 348 flow [2024-11-27 20:26:51,701 INFO L124 PetriNetUnfolderBase]: 9/165 cut-off events. [2024-11-27 20:26:51,707 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2024-11-27 20:26:51,717 INFO L83 FinitePrefix]: Finished finitePrefix Result has 174 conditions, 165 events. 9/165 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 222 event pairs, 0 based on Foata normal form. 0/127 useless extension candidates. Maximal degree in co-relation 120. Up to 2 conditions per place. [2024-11-27 20:26:51,717 INFO L82 GeneralOperation]: Start removeDead. Operand has 165 places, 167 transitions, 348 flow [2024-11-27 20:26:51,725 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 147 places, 148 transitions, 308 flow [2024-11-27 20:26:51,736 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-27 20:26:51,752 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;@5d703f31, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-27 20:26:51,752 INFO L334 AbstractCegarLoop]: Starting to check reachability of 54 error locations. [2024-11-27 20:26:51,762 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-27 20:26:51,763 INFO L124 PetriNetUnfolderBase]: 0/18 cut-off events. [2024-11-27 20:26:51,763 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-27 20:26:51,763 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:51,764 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:51,765 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-27 20:26:51,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:51,771 INFO L85 PathProgramCache]: Analyzing trace with hash -1260832227, now seen corresponding path program 1 times [2024-11-27 20:26:51,778 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:51,779 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046629178] [2024-11-27 20:26:51,779 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:51,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:51,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:51,981 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:51,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:51,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046629178] [2024-11-27 20:26:51,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1046629178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:51,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:51,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:51,985 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798258495] [2024-11-27 20:26:51,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:51,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:51,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:52,023 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:52,025 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:52,053 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 167 [2024-11-27 20:26:52,061 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 147 places, 148 transitions, 308 flow. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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) [2024-11-27 20:26:52,061 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:52,061 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 167 [2024-11-27 20:26:52,062 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:52,185 INFO L124 PetriNetUnfolderBase]: 10/153 cut-off events. [2024-11-27 20:26:52,185 INFO L125 PetriNetUnfolderBase]: For 15/15 co-relation queries the response was YES. [2024-11-27 20:26:52,187 INFO L83 FinitePrefix]: Finished finitePrefix Result has 188 conditions, 153 events. 10/153 cut-off events. For 15/15 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 183 event pairs, 0 based on Foata normal form. 12/153 useless extension candidates. Maximal degree in co-relation 111. Up to 21 conditions per place. [2024-11-27 20:26:52,189 INFO L140 encePairwiseOnDemand]: 136/167 looper letters, 10 selfloop transitions, 2 changer transitions 2/119 dead transitions. [2024-11-27 20:26:52,190 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 125 places, 119 transitions, 274 flow [2024-11-27 20:26:52,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:52,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:26:52,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 410 transitions. [2024-11-27 20:26:52,209 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8183632734530938 [2024-11-27 20:26:52,212 INFO L175 Difference]: Start difference. First operand has 147 places, 148 transitions, 308 flow. Second operand 3 states and 410 transitions. [2024-11-27 20:26:52,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 125 places, 119 transitions, 274 flow [2024-11-27 20:26:52,220 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 119 transitions, 266 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-27 20:26:52,226 INFO L231 Difference]: Finished difference. Result has 121 places, 117 transitions, 242 flow [2024-11-27 20:26:52,228 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=242, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=119, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=117, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=242, PETRI_PLACES=121, PETRI_TRANSITIONS=117} [2024-11-27 20:26:52,232 INFO L279 CegarLoopForPetriNet]: 147 programPoint places, -26 predicate places. [2024-11-27 20:26:52,234 INFO L471 AbstractCegarLoop]: Abstraction has has 121 places, 117 transitions, 242 flow [2024-11-27 20:26:52,235 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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) [2024-11-27 20:26:52,235 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:52,235 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] [2024-11-27 20:26:52,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-27 20:26:52,236 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-27 20:26:52,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:52,237 INFO L85 PathProgramCache]: Analyzing trace with hash -979964468, now seen corresponding path program 1 times [2024-11-27 20:26:52,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:52,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1870040951] [2024-11-27 20:26:52,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:52,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:52,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:52,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:52,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:52,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1870040951] [2024-11-27 20:26:52,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1870040951] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:52,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:52,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:52,316 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918929887] [2024-11-27 20:26:52,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:52,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:52,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:52,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:52,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:52,354 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 123 out of 167 [2024-11-27 20:26:52,355 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 117 transitions, 242 flow. Second operand has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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) [2024-11-27 20:26:52,355 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:52,355 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 123 of 167 [2024-11-27 20:26:52,355 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:52,445 INFO L124 PetriNetUnfolderBase]: 10/150 cut-off events. [2024-11-27 20:26:52,447 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-27 20:26:52,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 179 conditions, 150 events. 10/150 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 180 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 153. Up to 21 conditions per place. [2024-11-27 20:26:52,448 INFO L140 encePairwiseOnDemand]: 164/167 looper letters, 10 selfloop transitions, 2 changer transitions 0/116 dead transitions. [2024-11-27 20:26:52,449 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 116 transitions, 264 flow [2024-11-27 20:26:52,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:52,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:26:52,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 382 transitions. [2024-11-27 20:26:52,455 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7624750499001997 [2024-11-27 20:26:52,455 INFO L175 Difference]: Start difference. First operand has 121 places, 117 transitions, 242 flow. Second operand 3 states and 382 transitions. [2024-11-27 20:26:52,455 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 116 transitions, 264 flow [2024-11-27 20:26:52,456 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 118 places, 116 transitions, 260 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:26:52,458 INFO L231 Difference]: Finished difference. Result has 118 places, 116 transitions, 240 flow [2024-11-27 20:26:52,460 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=236, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=116, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=240, PETRI_PLACES=118, PETRI_TRANSITIONS=116} [2024-11-27 20:26:52,461 INFO L279 CegarLoopForPetriNet]: 147 programPoint places, -29 predicate places. [2024-11-27 20:26:52,461 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 116 transitions, 240 flow [2024-11-27 20:26:52,462 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 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) [2024-11-27 20:26:52,462 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:52,462 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-27 20:26:52,462 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-27 20:26:52,462 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-27 20:26:52,463 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:52,464 INFO L85 PathProgramCache]: Analyzing trace with hash 582846642, now seen corresponding path program 1 times [2024-11-27 20:26:52,464 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:52,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232123434] [2024-11-27 20:26:52,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:52,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:52,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:52,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:52,533 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:52,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232123434] [2024-11-27 20:26:52,534 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232123434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:52,534 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:52,534 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:52,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [871336552] [2024-11-27 20:26:52,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:52,534 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:52,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:52,535 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:52,535 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:52,548 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 167 [2024-11-27 20:26:52,549 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 116 transitions, 240 flow. Second operand has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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) [2024-11-27 20:26:52,549 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:52,549 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 167 [2024-11-27 20:26:52,549 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:52,627 INFO L124 PetriNetUnfolderBase]: 10/149 cut-off events. [2024-11-27 20:26:52,627 INFO L125 PetriNetUnfolderBase]: For 5/5 co-relation queries the response was YES. [2024-11-27 20:26:52,628 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 149 events. 10/149 cut-off events. For 5/5 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 178 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 141. Up to 18 conditions per place. [2024-11-27 20:26:52,629 INFO L140 encePairwiseOnDemand]: 165/167 looper letters, 8 selfloop transitions, 1 changer transitions 0/115 dead transitions. [2024-11-27 20:26:52,629 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 119 places, 115 transitions, 256 flow [2024-11-27 20:26:52,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:52,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:26:52,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 391 transitions. [2024-11-27 20:26:52,634 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.780439121756487 [2024-11-27 20:26:52,634 INFO L175 Difference]: Start difference. First operand has 118 places, 116 transitions, 240 flow. Second operand 3 states and 391 transitions. [2024-11-27 20:26:52,634 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 119 places, 115 transitions, 256 flow [2024-11-27 20:26:52,635 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 115 transitions, 252 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:26:52,638 INFO L231 Difference]: Finished difference. Result has 117 places, 115 transitions, 236 flow [2024-11-27 20:26:52,639 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=234, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=115, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=114, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=236, PETRI_PLACES=117, PETRI_TRANSITIONS=115} [2024-11-27 20:26:52,641 INFO L279 CegarLoopForPetriNet]: 147 programPoint places, -30 predicate places. [2024-11-27 20:26:52,641 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 115 transitions, 236 flow [2024-11-27 20:26:52,641 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 128.0) internal successors, (384), 3 states have internal predecessors, (384), 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) [2024-11-27 20:26:52,641 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:52,642 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] [2024-11-27 20:26:52,642 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-27 20:26:52,642 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-27 20:26:52,643 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:52,643 INFO L85 PathProgramCache]: Analyzing trace with hash 1692195095, now seen corresponding path program 1 times [2024-11-27 20:26:52,643 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:52,644 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1512579024] [2024-11-27 20:26:52,644 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:52,644 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:52,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:52,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:52,762 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:52,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1512579024] [2024-11-27 20:26:52,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1512579024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:52,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:52,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:52,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111425614] [2024-11-27 20:26:52,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:52,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:52,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:52,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:52,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:52,784 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 124 out of 167 [2024-11-27 20:26:52,785 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 115 transitions, 236 flow. Second operand has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 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) [2024-11-27 20:26:52,785 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:52,785 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 124 of 167 [2024-11-27 20:26:52,785 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:52,847 INFO L124 PetriNetUnfolderBase]: 10/148 cut-off events. [2024-11-27 20:26:52,848 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-27 20:26:52,850 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 148 events. 10/148 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 174 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 141. Up to 20 conditions per place. [2024-11-27 20:26:52,851 INFO L140 encePairwiseOnDemand]: 164/167 looper letters, 9 selfloop transitions, 2 changer transitions 0/114 dead transitions. [2024-11-27 20:26:52,851 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 114 transitions, 256 flow [2024-11-27 20:26:52,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:52,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:26:52,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 384 transitions. [2024-11-27 20:26:52,853 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7664670658682635 [2024-11-27 20:26:52,853 INFO L175 Difference]: Start difference. First operand has 117 places, 115 transitions, 236 flow. Second operand 3 states and 384 transitions. [2024-11-27 20:26:52,854 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 114 transitions, 256 flow [2024-11-27 20:26:52,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 114 transitions, 255 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-27 20:26:52,857 INFO L231 Difference]: Finished difference. Result has 117 places, 114 transitions, 237 flow [2024-11-27 20:26:52,861 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=114, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=237, PETRI_PLACES=117, PETRI_TRANSITIONS=114} [2024-11-27 20:26:52,861 INFO L279 CegarLoopForPetriNet]: 147 programPoint places, -30 predicate places. [2024-11-27 20:26:52,862 INFO L471 AbstractCegarLoop]: Abstraction has has 117 places, 114 transitions, 237 flow [2024-11-27 20:26:52,863 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 125.33333333333333) internal successors, (376), 3 states have internal predecessors, (376), 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) [2024-11-27 20:26:52,863 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:52,863 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] [2024-11-27 20:26:52,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-27 20:26:52,864 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-27 20:26:52,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:52,865 INFO L85 PathProgramCache]: Analyzing trace with hash 531337021, now seen corresponding path program 1 times [2024-11-27 20:26:52,865 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:52,865 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280614024] [2024-11-27 20:26:52,866 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:52,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:52,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:53,685 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:53,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:53,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280614024] [2024-11-27 20:26:53,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280614024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:53,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:53,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-27 20:26:53,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1851796767] [2024-11-27 20:26:53,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:53,688 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-27 20:26:53,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:53,689 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-27 20:26:53,689 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-27 20:26:53,804 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 167 [2024-11-27 20:26:53,805 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 114 transitions, 237 flow. Second operand has 6 states, 6 states have (on average 118.5) internal successors, (711), 6 states have internal predecessors, (711), 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) [2024-11-27 20:26:53,807 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:53,807 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 167 [2024-11-27 20:26:53,807 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:53,876 INFO L124 PetriNetUnfolderBase]: 10/147 cut-off events. [2024-11-27 20:26:53,879 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-27 20:26:53,880 INFO L83 FinitePrefix]: Finished finitePrefix Result has 184 conditions, 147 events. 10/147 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 171 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 151. Up to 25 conditions per place. [2024-11-27 20:26:53,880 INFO L140 encePairwiseOnDemand]: 161/167 looper letters, 14 selfloop transitions, 5 changer transitions 0/113 dead transitions. [2024-11-27 20:26:53,880 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 121 places, 113 transitions, 273 flow [2024-11-27 20:26:53,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-27 20:26:53,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-27 20:26:53,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 722 transitions. [2024-11-27 20:26:53,884 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.720558882235529 [2024-11-27 20:26:53,884 INFO L175 Difference]: Start difference. First operand has 117 places, 114 transitions, 237 flow. Second operand 6 states and 722 transitions. [2024-11-27 20:26:53,884 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 121 places, 113 transitions, 273 flow [2024-11-27 20:26:53,886 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 113 transitions, 269 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-27 20:26:53,889 INFO L231 Difference]: Finished difference. Result has 119 places, 113 transitions, 241 flow [2024-11-27 20:26:53,890 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=231, PETRI_DIFFERENCE_MINUEND_PLACES=114, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=113, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=108, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=241, PETRI_PLACES=119, PETRI_TRANSITIONS=113} [2024-11-27 20:26:53,891 INFO L279 CegarLoopForPetriNet]: 147 programPoint places, -28 predicate places. [2024-11-27 20:26:53,892 INFO L471 AbstractCegarLoop]: Abstraction has has 119 places, 113 transitions, 241 flow [2024-11-27 20:26:53,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 118.5) internal successors, (711), 6 states have internal predecessors, (711), 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) [2024-11-27 20:26:53,893 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-27 20:26:53,893 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] [2024-11-27 20:26:53,893 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-27 20:26:53,894 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 50 more)] === [2024-11-27 20:26:53,894 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-27 20:26:53,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1135384627, now seen corresponding path program 1 times [2024-11-27 20:26:53,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-27 20:26:53,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575694929] [2024-11-27 20:26:53,897 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-27 20:26:53,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-27 20:26:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-27 20:26:53,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-27 20:26:53,997 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-27 20:26:53,997 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575694929] [2024-11-27 20:26:53,997 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575694929] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-27 20:26:53,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-27 20:26:53,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-27 20:26:53,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867927030] [2024-11-27 20:26:53,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-27 20:26:53,998 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-27 20:26:54,000 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-27 20:26:54,001 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-27 20:26:54,001 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-27 20:26:54,013 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 127 out of 167 [2024-11-27 20:26:54,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 113 transitions, 241 flow. Second operand has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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) [2024-11-27 20:26:54,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-27 20:26:54,014 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 127 of 167 [2024-11-27 20:26:54,014 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-27 20:26:54,053 INFO L124 PetriNetUnfolderBase]: 10/146 cut-off events. [2024-11-27 20:26:54,055 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES. [2024-11-27 20:26:54,056 INFO L83 FinitePrefix]: Finished finitePrefix Result has 175 conditions, 146 events. 10/146 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 168 event pairs, 0 based on Foata normal form. 1/141 useless extension candidates. Maximal degree in co-relation 157. Up to 18 conditions per place. [2024-11-27 20:26:54,057 INFO L140 encePairwiseOnDemand]: 165/167 looper letters, 0 selfloop transitions, 0 changer transitions 112/112 dead transitions. [2024-11-27 20:26:54,057 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 120 places, 112 transitions, 255 flow [2024-11-27 20:26:54,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-27 20:26:54,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-27 20:26:54,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 390 transitions. [2024-11-27 20:26:54,059 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.7784431137724551 [2024-11-27 20:26:54,059 INFO L175 Difference]: Start difference. First operand has 119 places, 113 transitions, 241 flow. Second operand 3 states and 390 transitions. [2024-11-27 20:26:54,060 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 120 places, 112 transitions, 255 flow [2024-11-27 20:26:54,061 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 112 transitions, 245 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-27 20:26:54,062 INFO L231 Difference]: Finished difference. Result has 115 places, 0 transitions, 0 flow [2024-11-27 20:26:54,063 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=167, PETRI_DIFFERENCE_MINUEND_FLOW=229, PETRI_DIFFERENCE_MINUEND_PLACES=113, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=112, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=115, PETRI_TRANSITIONS=0} [2024-11-27 20:26:54,064 INFO L279 CegarLoopForPetriNet]: 147 programPoint places, -32 predicate places. [2024-11-27 20:26:54,065 INFO L471 AbstractCegarLoop]: Abstraction has has 115 places, 0 transitions, 0 flow [2024-11-27 20:26:54,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 129.33333333333334) internal successors, (388), 3 states have internal predecessors, (388), 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) [2024-11-27 20:26:54,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (53 of 54 remaining) [2024-11-27 20:26:54,068 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (52 of 54 remaining) [2024-11-27 20:26:54,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (51 of 54 remaining) [2024-11-27 20:26:54,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (50 of 54 remaining) [2024-11-27 20:26:54,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (49 of 54 remaining) [2024-11-27 20:26:54,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (48 of 54 remaining) [2024-11-27 20:26:54,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (47 of 54 remaining) [2024-11-27 20:26:54,070 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (46 of 54 remaining) [2024-11-27 20:26:54,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (45 of 54 remaining) [2024-11-27 20:26:54,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (44 of 54 remaining) [2024-11-27 20:26:54,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (43 of 54 remaining) [2024-11-27 20:26:54,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 54 remaining) [2024-11-27 20:26:54,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 54 remaining) [2024-11-27 20:26:54,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 54 remaining) [2024-11-27 20:26:54,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 54 remaining) [2024-11-27 20:26:54,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 54 remaining) [2024-11-27 20:26:54,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 54 remaining) [2024-11-27 20:26:54,071 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (36 of 54 remaining) [2024-11-27 20:26:54,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (35 of 54 remaining) [2024-11-27 20:26:54,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (34 of 54 remaining) [2024-11-27 20:26:54,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (33 of 54 remaining) [2024-11-27 20:26:54,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (32 of 54 remaining) [2024-11-27 20:26:54,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (31 of 54 remaining) [2024-11-27 20:26:54,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (30 of 54 remaining) [2024-11-27 20:26:54,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (29 of 54 remaining) [2024-11-27 20:26:54,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (28 of 54 remaining) [2024-11-27 20:26:54,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (27 of 54 remaining) [2024-11-27 20:26:54,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (26 of 54 remaining) [2024-11-27 20:26:54,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (25 of 54 remaining) [2024-11-27 20:26:54,072 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (24 of 54 remaining) [2024-11-27 20:26:54,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (23 of 54 remaining) [2024-11-27 20:26:54,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (22 of 54 remaining) [2024-11-27 20:26:54,075 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (21 of 54 remaining) [2024-11-27 20:26:54,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (20 of 54 remaining) [2024-11-27 20:26:54,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (19 of 54 remaining) [2024-11-27 20:26:54,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (18 of 54 remaining) [2024-11-27 20:26:54,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (17 of 54 remaining) [2024-11-27 20:26:54,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (16 of 54 remaining) [2024-11-27 20:26:54,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (15 of 54 remaining) [2024-11-27 20:26:54,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (14 of 54 remaining) [2024-11-27 20:26:54,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (13 of 54 remaining) [2024-11-27 20:26:54,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (12 of 54 remaining) [2024-11-27 20:26:54,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (11 of 54 remaining) [2024-11-27 20:26:54,076 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (10 of 54 remaining) [2024-11-27 20:26:54,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (9 of 54 remaining) [2024-11-27 20:26:54,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (8 of 54 remaining) [2024-11-27 20:26:54,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (7 of 54 remaining) [2024-11-27 20:26:54,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (6 of 54 remaining) [2024-11-27 20:26:54,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (5 of 54 remaining) [2024-11-27 20:26:54,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (4 of 54 remaining) [2024-11-27 20:26:54,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (3 of 54 remaining) [2024-11-27 20:26:54,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (2 of 54 remaining) [2024-11-27 20:26:54,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (1 of 54 remaining) [2024-11-27 20:26:54,077 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (0 of 54 remaining) [2024-11-27 20:26:54,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-27 20:26:54,078 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-27 20:26:54,086 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-27 20:26:54,086 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-27 20:26:54,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 08:26:54 BasicIcfg [2024-11-27 20:26:54,093 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-27 20:26:54,094 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-27 20:26:54,094 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-27 20:26:54,094 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-27 20:26:54,094 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 08:26:51" (3/4) ... [2024-11-27 20:26:54,096 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-27 20:26:54,098 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-27 20:26:54,099 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-27 20:26:54,103 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2024-11-27 20:26:54,105 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-27 20:26:54,105 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-27 20:26:54,105 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-27 20:26:54,189 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee4e337-2e64-439c-8d6d-5ae39bec896c/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-27 20:26:54,189 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee4e337-2e64-439c-8d6d-5ae39bec896c/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-27 20:26:54,189 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-27 20:26:54,190 INFO L158 Benchmark]: Toolchain (without parser) took 4359.35ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 95.1MB in the end (delta: 22.1MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2024-11-27 20:26:54,191 INFO L158 Benchmark]: CDTParser took 1.79ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:26:54,191 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.46ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 104.9MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:26:54,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.09ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 102.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-27 20:26:54,192 INFO L158 Benchmark]: Boogie Preprocessor took 50.39ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 101.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:26:54,193 INFO L158 Benchmark]: RCFGBuilder took 1261.78ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 108.0MB in the end (delta: -6.7MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. [2024-11-27 20:26:54,194 INFO L158 Benchmark]: TraceAbstraction took 2646.12ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 100.3MB in the end (delta: 7.1MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-11-27 20:26:54,195 INFO L158 Benchmark]: Witness Printer took 95.74ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 95.1MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-27 20:26:54,196 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.79ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.46ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 104.9MB in the end (delta: 12.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 39.09ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 102.8MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.39ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 101.3MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1261.78ms. Allocated memory is still 142.6MB. Free memory was 101.3MB in the beginning and 108.0MB in the end (delta: -6.7MB). Peak memory consumption was 56.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2646.12ms. Allocated memory is still 142.6MB. Free memory was 107.3MB in the beginning and 100.3MB in the end (delta: 7.1MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. * Witness Printer took 95.74ms. Allocated memory is still 142.6MB. Free memory was 100.3MB in the beginning and 95.1MB in the end (delta: 5.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 96]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 204 locations, 54 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.5s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 87 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 15 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 173 IncrementalHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 15 mSolverCounterUnsat, 19 mSDtfsCounter, 173 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=308occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 281 ConstructedInterpolants, 0 QuantifiedInterpolants, 406 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 29 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-27 20:26:54,220 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6ee4e337-2e64-439c-8d6d-5ae39bec896c/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