./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6554c003-e1bd-4633-a599-8a8af3516d37/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6554c003-e1bd-4633-a599-8a8af3516d37/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6554c003-e1bd-4633-a599-8a8af3516d37/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6554c003-e1bd-4633-a599-8a8af3516d37/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6554c003-e1bd-4633-a599-8a8af3516d37/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6554c003-e1bd-4633-a599-8a8af3516d37/bin/uautomizer-verify-LYvppIcaGC --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 d79cb5dae664e13779624ff0ffbc531b419f89e2c7510a92e890992a52ee7c98 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:57:42,893 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:57:43,009 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6554c003-e1bd-4633-a599-8a8af3516d37/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-DataRace-32bit-Automizer_Default.epf [2024-11-24 00:57:43,016 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:57:43,017 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:57:43,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:57:43,058 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:57:43,058 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:57:43,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:57:43,059 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:57:43,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:57:43,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:57:43,061 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:57:43,061 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:57:43,061 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:57:43,062 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:57:43,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:57:43,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:57:43,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:57:43,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:57:43,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:57:43,062 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:57:43,063 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-24 00:57:43,063 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-24 00:57:43,063 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:57:43,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:57:43,063 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:57:43,063 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:57:43,063 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:57:43,063 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:57:43,064 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:57:43,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:57:43,064 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:57:43,064 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:57:43,064 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:57:43,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:57:43,065 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:57:43,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:57:43,065 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:57:43,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:57:43,065 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:57:43,065 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:57:43,065 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:57:43,065 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:57:43,066 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:57:43,066 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:57:43,066 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_6554c003-e1bd-4633-a599-8a8af3516d37/bin/uautomizer-verify-LYvppIcaGC 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 -> d79cb5dae664e13779624ff0ffbc531b419f89e2c7510a92e890992a52ee7c98 [2024-11-24 00:57:43,412 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:57:43,423 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:57:43,426 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:57:43,428 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:57:43,428 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:57:43,430 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6554c003-e1bd-4633-a599-8a8af3516d37/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c [2024-11-24 00:57:46,638 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6554c003-e1bd-4633-a599-8a8af3516d37/bin/uautomizer-verify-LYvppIcaGC/data/d0352a709/f6120f8c1edf4fa6bf7d385504177ff7/FLAG505d4b097 [2024-11-24 00:57:46,965 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:57:46,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6554c003-e1bd-4633-a599-8a8af3516d37/sv-benchmarks/c/weaver/popl20-more-multiply-verify.wvr.c [2024-11-24 00:57:46,983 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6554c003-e1bd-4633-a599-8a8af3516d37/bin/uautomizer-verify-LYvppIcaGC/data/d0352a709/f6120f8c1edf4fa6bf7d385504177ff7/FLAG505d4b097 [2024-11-24 00:57:47,009 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6554c003-e1bd-4633-a599-8a8af3516d37/bin/uautomizer-verify-LYvppIcaGC/data/d0352a709/f6120f8c1edf4fa6bf7d385504177ff7 [2024-11-24 00:57:47,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:57:47,015 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:57:47,017 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:57:47,019 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:57:47,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:57:47,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:57:47" (1/1) ... [2024-11-24 00:57:47,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c05f285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:47, skipping insertion in model container [2024-11-24 00:57:47,029 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:57:47" (1/1) ... [2024-11-24 00:57:47,054 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:57:47,348 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:57:47,359 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:57:47,396 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:57:47,415 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:57:47,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:47 WrapperNode [2024-11-24 00:57:47,416 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:57:47,417 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:57:47,417 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:57:47,417 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:57:47,426 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:47" (1/1) ... [2024-11-24 00:57:47,438 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:47" (1/1) ... [2024-11-24 00:57:47,501 INFO L138 Inliner]: procedures = 25, calls = 36, calls flagged for inlining = 13, calls inlined = 13, statements flattened = 301 [2024-11-24 00:57:47,502 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:57:47,502 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:57:47,502 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:57:47,502 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:57:47,512 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:47" (1/1) ... [2024-11-24 00:57:47,512 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:47" (1/1) ... [2024-11-24 00:57:47,517 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:47" (1/1) ... [2024-11-24 00:57:47,524 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:47" (1/1) ... [2024-11-24 00:57:47,548 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:47" (1/1) ... [2024-11-24 00:57:47,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:47" (1/1) ... [2024-11-24 00:57:47,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:47" (1/1) ... [2024-11-24 00:57:47,563 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:47" (1/1) ... [2024-11-24 00:57:47,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:47" (1/1) ... [2024-11-24 00:57:47,572 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:57:47,578 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:57:47,578 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:57:47,578 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:57:47,580 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:47" (1/1) ... [2024-11-24 00:57:47,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:57:47,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6554c003-e1bd-4633-a599-8a8af3516d37/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:57:47,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6554c003-e1bd-4633-a599-8a8af3516d37/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:57:47,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6554c003-e1bd-4633-a599-8a8af3516d37/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:57:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:57:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-24 00:57:47,644 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-24 00:57:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-24 00:57:47,644 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-24 00:57:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2024-11-24 00:57:47,644 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2024-11-24 00:57:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 00:57:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-24 00:57:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-24 00:57:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-24 00:57:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 00:57:47,644 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:57:47,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:57:47,645 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-24 00:57:47,646 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-24 00:57:47,777 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:57:47,780 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:57:48,646 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-24 00:57:48,646 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:57:49,174 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:57:49,176 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-24 00:57:49,177 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:57:49 BoogieIcfgContainer [2024-11-24 00:57:49,177 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:57:49,179 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:57:49,179 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:57:49,186 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:57:49,186 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:57:47" (1/3) ... [2024-11-24 00:57:49,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9e14a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:57:49, skipping insertion in model container [2024-11-24 00:57:49,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:47" (2/3) ... [2024-11-24 00:57:49,187 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9e14a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:57:49, skipping insertion in model container [2024-11-24 00:57:49,187 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:57:49" (3/3) ... [2024-11-24 00:57:49,191 INFO L128 eAbstractionObserver]: Analyzing ICFG popl20-more-multiply-verify.wvr.c [2024-11-24 00:57:49,214 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:57:49,216 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG popl20-more-multiply-verify.wvr.c that has 4 procedures, 248 locations, 1 initial locations, 3 loop locations, and 42 error locations. [2024-11-24 00:57:49,217 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-24 00:57:49,381 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2024-11-24 00:57:49,450 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 257 places, 256 transitions, 533 flow [2024-11-24 00:57:49,673 INFO L124 PetriNetUnfolderBase]: 9/253 cut-off events. [2024-11-24 00:57:49,678 INFO L125 PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES. [2024-11-24 00:57:49,692 INFO L83 FinitePrefix]: Finished finitePrefix Result has 266 conditions, 253 events. 9/253 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 354 event pairs, 0 based on Foata normal form. 0/202 useless extension candidates. Maximal degree in co-relation 189. Up to 2 conditions per place. [2024-11-24 00:57:49,694 INFO L82 GeneralOperation]: Start removeDead. Operand has 257 places, 256 transitions, 533 flow [2024-11-24 00:57:49,705 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 238 places, 236 transitions, 490 flow [2024-11-24 00:57:49,725 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:57:49,749 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;@b55f49e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:57:49,749 INFO L334 AbstractCegarLoop]: Starting to check reachability of 77 error locations. [2024-11-24 00:57:49,756 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2024-11-24 00:57:49,757 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events. [2024-11-24 00:57:49,757 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2024-11-24 00:57:49,757 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:57:49,758 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] [2024-11-24 00:57:49,758 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-24 00:57:49,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:49,765 INFO L85 PathProgramCache]: Analyzing trace with hash 1692325291, now seen corresponding path program 1 times [2024-11-24 00:57:49,777 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:57:49,777 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917257210] [2024-11-24 00:57:49,778 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:49,778 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:49,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:50,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:57:50,024 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:50,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917257210] [2024-11-24 00:57:50,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917257210] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:50,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:50,026 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:57:50,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [844084512] [2024-11-24 00:57:50,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:50,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:57:50,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:57:50,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:57:50,079 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:57:50,147 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 256 [2024-11-24 00:57:50,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 238 places, 236 transitions, 490 flow. Second operand has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 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) [2024-11-24 00:57:50,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:57:50,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 256 [2024-11-24 00:57:50,160 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:57:50,481 INFO L124 PetriNetUnfolderBase]: 96/510 cut-off events. [2024-11-24 00:57:50,481 INFO L125 PetriNetUnfolderBase]: For 54/74 co-relation queries the response was YES. [2024-11-24 00:57:50,488 INFO L83 FinitePrefix]: Finished finitePrefix Result has 729 conditions, 510 events. 96/510 cut-off events. For 54/74 co-relation queries the response was YES. Maximal size of possible extension queue 28. Compared 2234 event pairs, 71 based on Foata normal form. 3/456 useless extension candidates. Maximal degree in co-relation 548. Up to 160 conditions per place. [2024-11-24 00:57:50,494 INFO L140 encePairwiseOnDemand]: 225/256 looper letters, 16 selfloop transitions, 2 changer transitions 2/207 dead transitions. [2024-11-24 00:57:50,495 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 216 places, 207 transitions, 468 flow [2024-11-24 00:57:50,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:57:50,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:57:50,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 665 transitions. [2024-11-24 00:57:50,524 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8658854166666666 [2024-11-24 00:57:50,527 INFO L175 Difference]: Start difference. First operand has 238 places, 236 transitions, 490 flow. Second operand 3 states and 665 transitions. [2024-11-24 00:57:50,531 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 216 places, 207 transitions, 468 flow [2024-11-24 00:57:50,542 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 210 places, 207 transitions, 456 flow, removed 0 selfloop flow, removed 6 redundant places. [2024-11-24 00:57:50,550 INFO L231 Difference]: Finished difference. Result has 210 places, 205 transitions, 420 flow [2024-11-24 00:57:50,553 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=208, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=207, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=205, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=420, PETRI_PLACES=210, PETRI_TRANSITIONS=205} [2024-11-24 00:57:50,560 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -28 predicate places. [2024-11-24 00:57:50,560 INFO L471 AbstractCegarLoop]: Abstraction has has 210 places, 205 transitions, 420 flow [2024-11-24 00:57:50,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 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) [2024-11-24 00:57:50,561 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:57:50,561 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] [2024-11-24 00:57:50,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:57:50,562 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-24 00:57:50,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:50,562 INFO L85 PathProgramCache]: Analyzing trace with hash 1193338581, now seen corresponding path program 1 times [2024-11-24 00:57:50,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:57:50,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1709489255] [2024-11-24 00:57:50,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:50,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:50,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:50,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:57:50,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:50,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1709489255] [2024-11-24 00:57:50,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1709489255] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:50,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:50,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:57:50,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425565340] [2024-11-24 00:57:50,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:50,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:57:50,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:57:50,664 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:57:50,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:57:50,680 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 256 [2024-11-24 00:57:50,682 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 210 places, 205 transitions, 420 flow. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 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) [2024-11-24 00:57:50,682 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:57:50,682 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 256 [2024-11-24 00:57:50,682 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:57:50,962 INFO L124 PetriNetUnfolderBase]: 43/728 cut-off events. [2024-11-24 00:57:50,963 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-24 00:57:50,968 INFO L83 FinitePrefix]: Finished finitePrefix Result has 828 conditions, 728 events. 43/728 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3862 event pairs, 38 based on Foata normal form. 0/620 useless extension candidates. Maximal degree in co-relation 797. Up to 81 conditions per place. [2024-11-24 00:57:50,972 INFO L140 encePairwiseOnDemand]: 253/256 looper letters, 14 selfloop transitions, 2 changer transitions 0/204 dead transitions. [2024-11-24 00:57:50,972 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 204 transitions, 450 flow [2024-11-24 00:57:50,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:57:50,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:57:50,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 641 transitions. [2024-11-24 00:57:50,975 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8346354166666666 [2024-11-24 00:57:50,975 INFO L175 Difference]: Start difference. First operand has 210 places, 205 transitions, 420 flow. Second operand 3 states and 641 transitions. [2024-11-24 00:57:50,976 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 204 transitions, 450 flow [2024-11-24 00:57:50,980 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 207 places, 204 transitions, 446 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:57:50,988 INFO L231 Difference]: Finished difference. Result has 207 places, 204 transitions, 418 flow [2024-11-24 00:57:50,989 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=414, PETRI_DIFFERENCE_MINUEND_PLACES=205, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=204, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=202, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=418, PETRI_PLACES=207, PETRI_TRANSITIONS=204} [2024-11-24 00:57:50,990 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -31 predicate places. [2024-11-24 00:57:50,990 INFO L471 AbstractCegarLoop]: Abstraction has has 207 places, 204 transitions, 418 flow [2024-11-24 00:57:50,990 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 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) [2024-11-24 00:57:50,991 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:57:50,991 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:50,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:57:50,991 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-24 00:57:50,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:50,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1183881710, now seen corresponding path program 1 times [2024-11-24 00:57:50,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:57:50,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307297672] [2024-11-24 00:57:50,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:50,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:51,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:51,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:57:51,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:51,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307297672] [2024-11-24 00:57:51,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1307297672] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:51,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:51,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:57:51,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479822625] [2024-11-24 00:57:51,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:51,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:57:51,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:57:51,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:57:51,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:57:51,151 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 207 out of 256 [2024-11-24 00:57:51,152 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 207 places, 204 transitions, 418 flow. Second operand has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 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) [2024-11-24 00:57:51,152 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:57:51,152 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 207 of 256 [2024-11-24 00:57:51,153 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:57:51,444 INFO L124 PetriNetUnfolderBase]: 43/727 cut-off events. [2024-11-24 00:57:51,445 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-24 00:57:51,448 INFO L83 FinitePrefix]: Finished finitePrefix Result has 828 conditions, 727 events. 43/727 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 3865 event pairs, 38 based on Foata normal form. 0/620 useless extension candidates. Maximal degree in co-relation 790. Up to 82 conditions per place. [2024-11-24 00:57:51,452 INFO L140 encePairwiseOnDemand]: 253/256 looper letters, 15 selfloop transitions, 2 changer transitions 0/203 dead transitions. [2024-11-24 00:57:51,452 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 208 places, 203 transitions, 450 flow [2024-11-24 00:57:51,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:57:51,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:57:51,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 639 transitions. [2024-11-24 00:57:51,456 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.83203125 [2024-11-24 00:57:51,457 INFO L175 Difference]: Start difference. First operand has 207 places, 204 transitions, 418 flow. Second operand 3 states and 639 transitions. [2024-11-24 00:57:51,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 208 places, 203 transitions, 450 flow [2024-11-24 00:57:51,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 203 transitions, 446 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:57:51,463 INFO L231 Difference]: Finished difference. Result has 206 places, 203 transitions, 416 flow [2024-11-24 00:57:51,463 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=412, PETRI_DIFFERENCE_MINUEND_PLACES=204, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=203, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=201, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=416, PETRI_PLACES=206, PETRI_TRANSITIONS=203} [2024-11-24 00:57:51,465 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -32 predicate places. [2024-11-24 00:57:51,465 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 203 transitions, 416 flow [2024-11-24 00:57:51,466 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 208.33333333333334) internal successors, (625), 3 states have internal predecessors, (625), 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) [2024-11-24 00:57:51,466 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:57:51,466 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:51,466 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:57:51,466 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-24 00:57:51,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:51,468 INFO L85 PathProgramCache]: Analyzing trace with hash 972806924, now seen corresponding path program 1 times [2024-11-24 00:57:51,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:57:51,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853551031] [2024-11-24 00:57:51,469 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:51,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:51,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:51,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:57:51,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:51,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853551031] [2024-11-24 00:57:51,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853551031] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:51,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:51,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:57:51,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330857000] [2024-11-24 00:57:51,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:51,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:57:51,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:57:51,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:57:51,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:57:51,637 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 256 [2024-11-24 00:57:51,638 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 203 transitions, 416 flow. Second operand has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 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) [2024-11-24 00:57:51,638 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:57:51,638 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 256 [2024-11-24 00:57:51,639 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:57:51,884 INFO L124 PetriNetUnfolderBase]: 79/764 cut-off events. [2024-11-24 00:57:51,884 INFO L125 PetriNetUnfolderBase]: For 16/17 co-relation queries the response was YES. [2024-11-24 00:57:51,888 INFO L83 FinitePrefix]: Finished finitePrefix Result has 927 conditions, 764 events. 79/764 cut-off events. For 16/17 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4250 event pairs, 74 based on Foata normal form. 0/657 useless extension candidates. Maximal degree in co-relation 881. Up to 144 conditions per place. [2024-11-24 00:57:51,895 INFO L140 encePairwiseOnDemand]: 253/256 looper letters, 17 selfloop transitions, 2 changer transitions 0/202 dead transitions. [2024-11-24 00:57:51,896 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 202 transitions, 452 flow [2024-11-24 00:57:51,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:57:51,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:57:51,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 635 transitions. [2024-11-24 00:57:51,899 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8268229166666666 [2024-11-24 00:57:51,899 INFO L175 Difference]: Start difference. First operand has 206 places, 203 transitions, 416 flow. Second operand 3 states and 635 transitions. [2024-11-24 00:57:51,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 202 transitions, 452 flow [2024-11-24 00:57:51,906 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 205 places, 202 transitions, 448 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:57:51,912 INFO L231 Difference]: Finished difference. Result has 205 places, 202 transitions, 414 flow [2024-11-24 00:57:51,913 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=410, PETRI_DIFFERENCE_MINUEND_PLACES=203, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=202, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=200, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=414, PETRI_PLACES=205, PETRI_TRANSITIONS=202} [2024-11-24 00:57:51,915 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -33 predicate places. [2024-11-24 00:57:51,916 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 202 transitions, 414 flow [2024-11-24 00:57:51,916 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.33333333333334) internal successors, (619), 3 states have internal predecessors, (619), 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) [2024-11-24 00:57:51,917 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:57:51,917 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] [2024-11-24 00:57:51,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:57:51,918 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-24 00:57:51,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:51,920 INFO L85 PathProgramCache]: Analyzing trace with hash -728830377, now seen corresponding path program 1 times [2024-11-24 00:57:51,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:57:51,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [985172809] [2024-11-24 00:57:51,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:51,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:52,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:57:52,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:52,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [985172809] [2024-11-24 00:57:52,034 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [985172809] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:52,034 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:52,034 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:57:52,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990171631] [2024-11-24 00:57:52,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:52,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:57:52,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:57:52,035 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:57:52,035 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:57:52,071 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 205 out of 256 [2024-11-24 00:57:52,073 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 202 transitions, 414 flow. Second operand has 3 states, 3 states have (on average 206.0) internal successors, (618), 3 states have internal predecessors, (618), 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) [2024-11-24 00:57:52,073 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:57:52,073 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 205 of 256 [2024-11-24 00:57:52,073 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:57:52,312 INFO L124 PetriNetUnfolderBase]: 115/777 cut-off events. [2024-11-24 00:57:52,312 INFO L125 PetriNetUnfolderBase]: For 25/26 co-relation queries the response was YES. [2024-11-24 00:57:52,314 INFO L83 FinitePrefix]: Finished finitePrefix Result has 999 conditions, 777 events. 115/777 cut-off events. For 25/26 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 4365 event pairs, 110 based on Foata normal form. 0/695 useless extension candidates. Maximal degree in co-relation 945. Up to 203 conditions per place. [2024-11-24 00:57:52,319 INFO L140 encePairwiseOnDemand]: 252/256 looper letters, 17 selfloop transitions, 1 changer transitions 0/199 dead transitions. [2024-11-24 00:57:52,320 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 199 transitions, 444 flow [2024-11-24 00:57:52,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:57:52,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:57:52,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 636 transitions. [2024-11-24 00:57:52,323 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.828125 [2024-11-24 00:57:52,323 INFO L175 Difference]: Start difference. First operand has 205 places, 202 transitions, 414 flow. Second operand 3 states and 636 transitions. [2024-11-24 00:57:52,323 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 199 transitions, 444 flow [2024-11-24 00:57:52,325 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 199 transitions, 440 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:57:52,327 INFO L231 Difference]: Finished difference. Result has 202 places, 199 transitions, 406 flow [2024-11-24 00:57:52,328 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=199, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=198, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=406, PETRI_PLACES=202, PETRI_TRANSITIONS=199} [2024-11-24 00:57:52,331 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -36 predicate places. [2024-11-24 00:57:52,331 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 199 transitions, 406 flow [2024-11-24 00:57:52,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 206.0) internal successors, (618), 3 states have internal predecessors, (618), 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) [2024-11-24 00:57:52,333 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:57:52,333 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] [2024-11-24 00:57:52,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:57:52,334 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-24 00:57:52,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:52,336 INFO L85 PathProgramCache]: Analyzing trace with hash -35935668, now seen corresponding path program 1 times [2024-11-24 00:57:52,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:57:52,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942340349] [2024-11-24 00:57:52,337 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:52,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:52,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:52,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:57:52,437 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:52,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942340349] [2024-11-24 00:57:52,438 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942340349] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:52,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:52,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:57:52,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785248895] [2024-11-24 00:57:52,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:52,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:57:52,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:57:52,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:57:52,441 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:57:52,454 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 256 [2024-11-24 00:57:52,456 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 199 transitions, 406 flow. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 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) [2024-11-24 00:57:52,457 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:57:52,457 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 256 [2024-11-24 00:57:52,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:57:52,657 INFO L124 PetriNetUnfolderBase]: 43/700 cut-off events. [2024-11-24 00:57:52,658 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-24 00:57:52,660 INFO L83 FinitePrefix]: Finished finitePrefix Result has 799 conditions, 700 events. 43/700 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3640 event pairs, 38 based on Foata normal form. 0/620 useless extension candidates. Maximal degree in co-relation 745. Up to 81 conditions per place. [2024-11-24 00:57:52,663 INFO L140 encePairwiseOnDemand]: 253/256 looper letters, 14 selfloop transitions, 2 changer transitions 0/198 dead transitions. [2024-11-24 00:57:52,663 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 198 transitions, 436 flow [2024-11-24 00:57:52,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:57:52,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:57:52,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 641 transitions. [2024-11-24 00:57:52,666 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8346354166666666 [2024-11-24 00:57:52,666 INFO L175 Difference]: Start difference. First operand has 202 places, 199 transitions, 406 flow. Second operand 3 states and 641 transitions. [2024-11-24 00:57:52,666 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 198 transitions, 436 flow [2024-11-24 00:57:52,668 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 198 transitions, 435 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 00:57:52,672 INFO L231 Difference]: Finished difference. Result has 202 places, 198 transitions, 407 flow [2024-11-24 00:57:52,672 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=403, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=198, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=407, PETRI_PLACES=202, PETRI_TRANSITIONS=198} [2024-11-24 00:57:52,675 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -36 predicate places. [2024-11-24 00:57:52,676 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 198 transitions, 407 flow [2024-11-24 00:57:52,677 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 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) [2024-11-24 00:57:52,677 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:57:52,678 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:52,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 00:57:52,678 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-24 00:57:52,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:52,680 INFO L85 PathProgramCache]: Analyzing trace with hash -1111854482, now seen corresponding path program 1 times [2024-11-24 00:57:52,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:57:52,680 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1253422145] [2024-11-24 00:57:52,680 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:52,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:52,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:52,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:57:52,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:52,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1253422145] [2024-11-24 00:57:52,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1253422145] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:52,752 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:52,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:57:52,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63854454] [2024-11-24 00:57:52,755 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:52,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:57:52,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:57:52,756 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:57:52,756 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:57:52,779 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 256 [2024-11-24 00:57:52,780 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 202 places, 198 transitions, 407 flow. Second operand has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 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) [2024-11-24 00:57:52,780 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:57:52,780 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 256 [2024-11-24 00:57:52,780 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:57:52,932 INFO L124 PetriNetUnfolderBase]: 43/699 cut-off events. [2024-11-24 00:57:52,932 INFO L125 PetriNetUnfolderBase]: For 8/9 co-relation queries the response was YES. [2024-11-24 00:57:52,934 INFO L83 FinitePrefix]: Finished finitePrefix Result has 798 conditions, 699 events. 43/699 cut-off events. For 8/9 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 3639 event pairs, 38 based on Foata normal form. 0/620 useless extension candidates. Maximal degree in co-relation 744. Up to 79 conditions per place. [2024-11-24 00:57:52,937 INFO L140 encePairwiseOnDemand]: 254/256 looper letters, 13 selfloop transitions, 1 changer transitions 0/197 dead transitions. [2024-11-24 00:57:52,937 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 203 places, 197 transitions, 433 flow [2024-11-24 00:57:52,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:57:52,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:57:52,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 648 transitions. [2024-11-24 00:57:52,940 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.84375 [2024-11-24 00:57:52,940 INFO L175 Difference]: Start difference. First operand has 202 places, 198 transitions, 407 flow. Second operand 3 states and 648 transitions. [2024-11-24 00:57:52,940 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 203 places, 197 transitions, 433 flow [2024-11-24 00:57:52,941 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 201 places, 197 transitions, 429 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:57:52,944 INFO L231 Difference]: Finished difference. Result has 201 places, 197 transitions, 403 flow [2024-11-24 00:57:52,944 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=401, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=196, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=403, PETRI_PLACES=201, PETRI_TRANSITIONS=197} [2024-11-24 00:57:52,945 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -37 predicate places. [2024-11-24 00:57:52,945 INFO L471 AbstractCegarLoop]: Abstraction has has 201 places, 197 transitions, 403 flow [2024-11-24 00:57:52,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 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) [2024-11-24 00:57:52,946 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:57:52,946 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] [2024-11-24 00:57:52,946 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:57:52,946 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-24 00:57:52,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:52,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1440519172, now seen corresponding path program 1 times [2024-11-24 00:57:52,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:57:52,948 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [380110781] [2024-11-24 00:57:52,948 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:52,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:52,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:54,000 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:57:54,000 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:54,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [380110781] [2024-11-24 00:57:54,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [380110781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:54,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:54,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:57:54,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594295706] [2024-11-24 00:57:54,003 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:54,003 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:57:54,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:57:54,004 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:57:54,004 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:57:54,224 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 193 out of 256 [2024-11-24 00:57:54,226 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 201 places, 197 transitions, 403 flow. Second operand has 6 states, 6 states have (on average 194.5) internal successors, (1167), 6 states have internal predecessors, (1167), 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) [2024-11-24 00:57:54,229 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:57:54,229 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 193 of 256 [2024-11-24 00:57:54,229 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:57:54,473 INFO L124 PetriNetUnfolderBase]: 187/850 cut-off events. [2024-11-24 00:57:54,474 INFO L125 PetriNetUnfolderBase]: For 40/41 co-relation queries the response was YES. [2024-11-24 00:57:54,476 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1206 conditions, 850 events. 187/850 cut-off events. For 40/41 co-relation queries the response was YES. Maximal size of possible extension queue 51. Compared 5101 event pairs, 182 based on Foata normal form. 0/770 useless extension candidates. Maximal degree in co-relation 1153. Up to 334 conditions per place. [2024-11-24 00:57:54,480 INFO L140 encePairwiseOnDemand]: 250/256 looper letters, 27 selfloop transitions, 5 changer transitions 0/196 dead transitions. [2024-11-24 00:57:54,480 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 196 transitions, 465 flow [2024-11-24 00:57:54,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:57:54,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 00:57:54,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1191 transitions. [2024-11-24 00:57:54,485 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.775390625 [2024-11-24 00:57:54,485 INFO L175 Difference]: Start difference. First operand has 201 places, 197 transitions, 403 flow. Second operand 6 states and 1191 transitions. [2024-11-24 00:57:54,486 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 196 transitions, 465 flow [2024-11-24 00:57:54,487 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 196 transitions, 464 flow, removed 0 selfloop flow, removed 1 redundant places. [2024-11-24 00:57:54,494 INFO L231 Difference]: Finished difference. Result has 204 places, 196 transitions, 410 flow [2024-11-24 00:57:54,495 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=400, PETRI_DIFFERENCE_MINUEND_PLACES=199, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=196, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=410, PETRI_PLACES=204, PETRI_TRANSITIONS=196} [2024-11-24 00:57:54,496 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -34 predicate places. [2024-11-24 00:57:54,496 INFO L471 AbstractCegarLoop]: Abstraction has has 204 places, 196 transitions, 410 flow [2024-11-24 00:57:54,497 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 194.5) internal successors, (1167), 6 states have internal predecessors, (1167), 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) [2024-11-24 00:57:54,497 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:57:54,497 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] [2024-11-24 00:57:54,497 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-24 00:57:54,498 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-24 00:57:54,501 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:54,502 INFO L85 PathProgramCache]: Analyzing trace with hash -1907457101, now seen corresponding path program 1 times [2024-11-24 00:57:54,502 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:57:54,502 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703239378] [2024-11-24 00:57:54,502 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:54,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:54,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:57:54,590 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:54,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703239378] [2024-11-24 00:57:54,590 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703239378] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:54,590 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:54,590 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:57:54,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557141039] [2024-11-24 00:57:54,591 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:54,591 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:57:54,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:57:54,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:57:54,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:57:54,619 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 206 out of 256 [2024-11-24 00:57:54,620 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 204 places, 196 transitions, 410 flow. Second operand has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 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) [2024-11-24 00:57:54,620 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:57:54,621 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 206 of 256 [2024-11-24 00:57:54,621 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:57:54,786 INFO L124 PetriNetUnfolderBase]: 79/735 cut-off events. [2024-11-24 00:57:54,786 INFO L125 PetriNetUnfolderBase]: For 16/17 co-relation queries the response was YES. [2024-11-24 00:57:54,790 INFO L83 FinitePrefix]: Finished finitePrefix Result has 902 conditions, 735 events. 79/735 cut-off events. For 16/17 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 4010 event pairs, 74 based on Foata normal form. 0/657 useless extension candidates. Maximal degree in co-relation 884. Up to 143 conditions per place. [2024-11-24 00:57:54,793 INFO L140 encePairwiseOnDemand]: 253/256 looper letters, 16 selfloop transitions, 2 changer transitions 0/195 dead transitions. [2024-11-24 00:57:54,793 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 205 places, 195 transitions, 444 flow [2024-11-24 00:57:54,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:57:54,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:57:54,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 637 transitions. [2024-11-24 00:57:54,796 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8294270833333334 [2024-11-24 00:57:54,796 INFO L175 Difference]: Start difference. First operand has 204 places, 196 transitions, 410 flow. Second operand 3 states and 637 transitions. [2024-11-24 00:57:54,796 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 205 places, 195 transitions, 444 flow [2024-11-24 00:57:54,800 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 200 places, 195 transitions, 434 flow, removed 0 selfloop flow, removed 5 redundant places. [2024-11-24 00:57:54,803 INFO L231 Difference]: Finished difference. Result has 200 places, 195 transitions, 402 flow [2024-11-24 00:57:54,803 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=398, PETRI_DIFFERENCE_MINUEND_PLACES=198, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=193, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=402, PETRI_PLACES=200, PETRI_TRANSITIONS=195} [2024-11-24 00:57:54,804 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -38 predicate places. [2024-11-24 00:57:54,804 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 195 transitions, 402 flow [2024-11-24 00:57:54,805 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 207.33333333333334) internal successors, (622), 3 states have internal predecessors, (622), 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) [2024-11-24 00:57:54,805 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:57:54,805 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:54,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-24 00:57:54,806 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-24 00:57:54,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:54,806 INFO L85 PathProgramCache]: Analyzing trace with hash 771359245, now seen corresponding path program 1 times [2024-11-24 00:57:54,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:57:54,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092009534] [2024-11-24 00:57:54,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:54,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:54,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:54,892 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:57:54,892 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:54,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092009534] [2024-11-24 00:57:54,892 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092009534] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:54,892 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:54,892 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:57:54,892 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657787025] [2024-11-24 00:57:54,892 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:54,893 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:57:54,893 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:57:54,893 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:57:54,894 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:57:54,916 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 256 [2024-11-24 00:57:54,917 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 195 transitions, 402 flow. Second operand has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 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) [2024-11-24 00:57:54,917 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:57:54,917 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 256 [2024-11-24 00:57:54,917 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:57:55,067 INFO L124 PetriNetUnfolderBase]: 148/659 cut-off events. [2024-11-24 00:57:55,067 INFO L125 PetriNetUnfolderBase]: For 13/38 co-relation queries the response was YES. [2024-11-24 00:57:55,069 INFO L83 FinitePrefix]: Finished finitePrefix Result has 937 conditions, 659 events. 148/659 cut-off events. For 13/38 co-relation queries the response was YES. Maximal size of possible extension queue 42. Compared 3317 event pairs, 97 based on Foata normal form. 0/608 useless extension candidates. Maximal degree in co-relation 883. Up to 235 conditions per place. [2024-11-24 00:57:55,072 INFO L140 encePairwiseOnDemand]: 252/256 looper letters, 19 selfloop transitions, 2 changer transitions 0/198 dead transitions. [2024-11-24 00:57:55,072 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 200 places, 198 transitions, 452 flow [2024-11-24 00:57:55,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:57:55,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:57:55,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 647 transitions. [2024-11-24 00:57:55,075 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8424479166666666 [2024-11-24 00:57:55,075 INFO L175 Difference]: Start difference. First operand has 200 places, 195 transitions, 402 flow. Second operand 3 states and 647 transitions. [2024-11-24 00:57:55,075 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 200 places, 198 transitions, 452 flow [2024-11-24 00:57:55,079 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 198 places, 198 transitions, 448 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:57:55,083 INFO L231 Difference]: Finished difference. Result has 199 places, 195 transitions, 408 flow [2024-11-24 00:57:55,083 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=394, PETRI_DIFFERENCE_MINUEND_PLACES=196, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=408, PETRI_PLACES=199, PETRI_TRANSITIONS=195} [2024-11-24 00:57:55,084 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -39 predicate places. [2024-11-24 00:57:55,084 INFO L471 AbstractCegarLoop]: Abstraction has has 199 places, 195 transitions, 408 flow [2024-11-24 00:57:55,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 209.33333333333334) internal successors, (628), 3 states have internal predecessors, (628), 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) [2024-11-24 00:57:55,085 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:57:55,085 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:55,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-24 00:57:55,085 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting thread3Err5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-24 00:57:55,086 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:55,086 INFO L85 PathProgramCache]: Analyzing trace with hash 1734395459, now seen corresponding path program 1 times [2024-11-24 00:57:55,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:57:55,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088068655] [2024-11-24 00:57:55,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:55,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:55,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:55,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:57:55,163 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:55,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2088068655] [2024-11-24 00:57:55,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2088068655] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:55,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:55,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:57:55,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717675829] [2024-11-24 00:57:55,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:55,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:57:55,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:57:55,165 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:57:55,165 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:57:55,184 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 208 out of 256 [2024-11-24 00:57:55,185 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 199 places, 195 transitions, 408 flow. Second operand has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 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) [2024-11-24 00:57:55,185 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:57:55,185 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 208 of 256 [2024-11-24 00:57:55,185 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:57:55,426 INFO L124 PetriNetUnfolderBase]: 129/874 cut-off events. [2024-11-24 00:57:55,426 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2024-11-24 00:57:55,428 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1133 conditions, 874 events. 129/874 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 44. Compared 5202 event pairs, 38 based on Foata normal form. 0/805 useless extension candidates. Maximal degree in co-relation 1080. Up to 198 conditions per place. [2024-11-24 00:57:55,432 INFO L140 encePairwiseOnDemand]: 251/256 looper letters, 21 selfloop transitions, 3 changer transitions 0/201 dead transitions. [2024-11-24 00:57:55,434 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 199 places, 201 transitions, 470 flow [2024-11-24 00:57:55,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:57:55,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:57:55,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 650 transitions. [2024-11-24 00:57:55,436 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8463541666666666 [2024-11-24 00:57:55,436 INFO L175 Difference]: Start difference. First operand has 199 places, 195 transitions, 408 flow. Second operand 3 states and 650 transitions. [2024-11-24 00:57:55,436 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 199 places, 201 transitions, 470 flow [2024-11-24 00:57:55,438 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 199 places, 201 transitions, 470 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-24 00:57:55,442 INFO L231 Difference]: Finished difference. Result has 200 places, 196 transitions, 425 flow [2024-11-24 00:57:55,442 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=404, PETRI_DIFFERENCE_MINUEND_PLACES=197, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=425, PETRI_PLACES=200, PETRI_TRANSITIONS=196} [2024-11-24 00:57:55,443 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -38 predicate places. [2024-11-24 00:57:55,443 INFO L471 AbstractCegarLoop]: Abstraction has has 200 places, 196 transitions, 425 flow [2024-11-24 00:57:55,444 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 210.33333333333334) internal successors, (631), 3 states have internal predecessors, (631), 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) [2024-11-24 00:57:55,444 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:57:55,444 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:55,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-24 00:57:55,444 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-24 00:57:55,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:55,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1569427177, now seen corresponding path program 1 times [2024-11-24 00:57:55,445 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:57:55,445 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164849717] [2024-11-24 00:57:55,445 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:55,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:55,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:57:55,616 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:55,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164849717] [2024-11-24 00:57:55,617 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164849717] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:55,617 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:55,617 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:57:55,617 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621301315] [2024-11-24 00:57:55,617 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:55,618 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:57:55,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:57:55,619 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:57:55,619 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:57:55,674 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 256 [2024-11-24 00:57:55,675 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 200 places, 196 transitions, 425 flow. Second operand has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 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) [2024-11-24 00:57:55,675 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:57:55,675 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 256 [2024-11-24 00:57:55,675 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:57:55,816 INFO L124 PetriNetUnfolderBase]: 42/608 cut-off events. [2024-11-24 00:57:55,816 INFO L125 PetriNetUnfolderBase]: For 28/31 co-relation queries the response was YES. [2024-11-24 00:57:55,818 INFO L83 FinitePrefix]: Finished finitePrefix Result has 762 conditions, 608 events. 42/608 cut-off events. For 28/31 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2729 event pairs, 16 based on Foata normal form. 7/573 useless extension candidates. Maximal degree in co-relation 705. Up to 60 conditions per place. [2024-11-24 00:57:55,820 INFO L140 encePairwiseOnDemand]: 252/256 looper letters, 18 selfloop transitions, 3 changer transitions 0/199 dead transitions. [2024-11-24 00:57:55,821 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 202 places, 199 transitions, 472 flow [2024-11-24 00:57:55,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:57:55,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:57:55,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 655 transitions. [2024-11-24 00:57:55,823 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8528645833333334 [2024-11-24 00:57:55,823 INFO L175 Difference]: Start difference. First operand has 200 places, 196 transitions, 425 flow. Second operand 3 states and 655 transitions. [2024-11-24 00:57:55,823 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 202 places, 199 transitions, 472 flow [2024-11-24 00:57:55,825 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 199 transitions, 472 flow, removed 0 selfloop flow, removed 0 redundant places. [2024-11-24 00:57:55,827 INFO L231 Difference]: Finished difference. Result has 203 places, 195 transitions, 431 flow [2024-11-24 00:57:55,828 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=420, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=192, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=431, PETRI_PLACES=203, PETRI_TRANSITIONS=195} [2024-11-24 00:57:55,828 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -35 predicate places. [2024-11-24 00:57:55,828 INFO L471 AbstractCegarLoop]: Abstraction has has 203 places, 195 transitions, 431 flow [2024-11-24 00:57:55,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 213.66666666666666) internal successors, (641), 3 states have internal predecessors, (641), 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) [2024-11-24 00:57:55,829 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:57:55,829 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:55,829 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-24 00:57:55,829 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-24 00:57:55,830 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:55,830 INFO L85 PathProgramCache]: Analyzing trace with hash -679967550, now seen corresponding path program 1 times [2024-11-24 00:57:55,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:57:55,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [365581044] [2024-11-24 00:57:55,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:55,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:55,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:56,031 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:57:56,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:56,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [365581044] [2024-11-24 00:57:56,032 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [365581044] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:56,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:56,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:57:56,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [407446094] [2024-11-24 00:57:56,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:56,033 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:57:56,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:57:56,034 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:57:56,034 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:57:56,117 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 256 [2024-11-24 00:57:56,118 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 195 transitions, 431 flow. Second operand has 4 states, 4 states have (on average 213.25) internal successors, (853), 4 states have internal predecessors, (853), 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) [2024-11-24 00:57:56,119 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:57:56,119 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 256 [2024-11-24 00:57:56,119 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:57:56,237 INFO L124 PetriNetUnfolderBase]: 31/366 cut-off events. [2024-11-24 00:57:56,237 INFO L125 PetriNetUnfolderBase]: For 50/53 co-relation queries the response was YES. [2024-11-24 00:57:56,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 517 conditions, 366 events. 31/366 cut-off events. For 50/53 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 935 event pairs, 8 based on Foata normal form. 9/354 useless extension candidates. Maximal degree in co-relation 458. Up to 24 conditions per place. [2024-11-24 00:57:56,239 INFO L140 encePairwiseOnDemand]: 252/256 looper letters, 18 selfloop transitions, 5 changer transitions 0/201 dead transitions. [2024-11-24 00:57:56,239 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 206 places, 201 transitions, 493 flow [2024-11-24 00:57:56,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:57:56,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2024-11-24 00:57:56,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 868 transitions. [2024-11-24 00:57:56,243 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.84765625 [2024-11-24 00:57:56,243 INFO L175 Difference]: Start difference. First operand has 203 places, 195 transitions, 431 flow. Second operand 4 states and 868 transitions. [2024-11-24 00:57:56,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 206 places, 201 transitions, 493 flow [2024-11-24 00:57:56,245 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 204 places, 201 transitions, 486 flow, removed 1 selfloop flow, removed 2 redundant places. [2024-11-24 00:57:56,248 INFO L231 Difference]: Finished difference. Result has 205 places, 195 transitions, 440 flow [2024-11-24 00:57:56,248 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=195, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=440, PETRI_PLACES=205, PETRI_TRANSITIONS=195} [2024-11-24 00:57:56,249 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -33 predicate places. [2024-11-24 00:57:56,249 INFO L471 AbstractCegarLoop]: Abstraction has has 205 places, 195 transitions, 440 flow [2024-11-24 00:57:56,250 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 213.25) internal successors, (853), 4 states have internal predecessors, (853), 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) [2024-11-24 00:57:56,250 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:57:56,250 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:56,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-24 00:57:56,250 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting thread3Err7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-24 00:57:56,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:56,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1912053513, now seen corresponding path program 1 times [2024-11-24 00:57:56,251 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:57:56,251 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849727262] [2024-11-24 00:57:56,252 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:56,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:57,230 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:57:57,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:57,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849727262] [2024-11-24 00:57:57,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849727262] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:57,230 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:57,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:57:57,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651000772] [2024-11-24 00:57:57,231 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:57,231 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:57:57,231 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:57:57,232 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:57:57,232 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:57:57,406 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 256 [2024-11-24 00:57:57,407 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 205 places, 195 transitions, 440 flow. Second operand has 6 states, 6 states have (on average 203.5) internal successors, (1221), 6 states have internal predecessors, (1221), 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) [2024-11-24 00:57:57,407 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:57:57,407 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 256 [2024-11-24 00:57:57,407 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:57:57,563 INFO L124 PetriNetUnfolderBase]: 42/384 cut-off events. [2024-11-24 00:57:57,563 INFO L125 PetriNetUnfolderBase]: For 104/104 co-relation queries the response was YES. [2024-11-24 00:57:57,564 INFO L83 FinitePrefix]: Finished finitePrefix Result has 576 conditions, 384 events. 42/384 cut-off events. For 104/104 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1118 event pairs, 22 based on Foata normal form. 0/363 useless extension candidates. Maximal degree in co-relation 517. Up to 65 conditions per place. [2024-11-24 00:57:57,565 INFO L140 encePairwiseOnDemand]: 251/256 looper letters, 30 selfloop transitions, 4 changer transitions 0/202 dead transitions. [2024-11-24 00:57:57,565 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 209 places, 202 transitions, 530 flow [2024-11-24 00:57:57,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:57:57,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 00:57:57,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1239 transitions. [2024-11-24 00:57:57,570 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.806640625 [2024-11-24 00:57:57,570 INFO L175 Difference]: Start difference. First operand has 205 places, 195 transitions, 440 flow. Second operand 6 states and 1239 transitions. [2024-11-24 00:57:57,570 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 209 places, 202 transitions, 530 flow [2024-11-24 00:57:57,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 202 transitions, 518 flow, removed 2 selfloop flow, removed 3 redundant places. [2024-11-24 00:57:57,576 INFO L231 Difference]: Finished difference. Result has 206 places, 194 transitions, 434 flow [2024-11-24 00:57:57,576 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=426, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=194, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=434, PETRI_PLACES=206, PETRI_TRANSITIONS=194} [2024-11-24 00:57:57,577 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -32 predicate places. [2024-11-24 00:57:57,577 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 194 transitions, 434 flow [2024-11-24 00:57:57,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 203.5) internal successors, (1221), 6 states have internal predecessors, (1221), 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) [2024-11-24 00:57:57,578 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:57:57,578 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:57,578 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-24 00:57:57,578 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting thread3Err10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-24 00:57:57,579 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:57,579 INFO L85 PathProgramCache]: Analyzing trace with hash -1331004157, now seen corresponding path program 1 times [2024-11-24 00:57:57,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:57:57,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398211367] [2024-11-24 00:57:57,580 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:57,580 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:58,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:57:58,511 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:58,511 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398211367] [2024-11-24 00:57:58,511 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398211367] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:58,511 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:58,511 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:57:58,511 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20265793] [2024-11-24 00:57:58,511 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:58,512 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:57:58,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:57:58,513 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:57:58,513 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:57:58,694 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 201 out of 256 [2024-11-24 00:57:58,695 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 194 transitions, 434 flow. Second operand has 6 states, 6 states have (on average 203.5) internal successors, (1221), 6 states have internal predecessors, (1221), 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) [2024-11-24 00:57:58,696 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:57:58,696 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 201 of 256 [2024-11-24 00:57:58,696 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:57:58,852 INFO L124 PetriNetUnfolderBase]: 42/371 cut-off events. [2024-11-24 00:57:58,852 INFO L125 PetriNetUnfolderBase]: For 62/62 co-relation queries the response was YES. [2024-11-24 00:57:58,853 INFO L83 FinitePrefix]: Finished finitePrefix Result has 549 conditions, 371 events. 42/371 cut-off events. For 62/62 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1070 event pairs, 22 based on Foata normal form. 0/353 useless extension candidates. Maximal degree in co-relation 490. Up to 65 conditions per place. [2024-11-24 00:57:58,854 INFO L140 encePairwiseOnDemand]: 251/256 looper letters, 30 selfloop transitions, 4 changer transitions 0/201 dead transitions. [2024-11-24 00:57:58,855 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 210 places, 201 transitions, 524 flow [2024-11-24 00:57:58,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:57:58,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2024-11-24 00:57:58,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1239 transitions. [2024-11-24 00:57:58,859 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.806640625 [2024-11-24 00:57:58,859 INFO L175 Difference]: Start difference. First operand has 206 places, 194 transitions, 434 flow. Second operand 6 states and 1239 transitions. [2024-11-24 00:57:58,859 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 210 places, 201 transitions, 524 flow [2024-11-24 00:57:58,861 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 206 places, 201 transitions, 517 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-24 00:57:58,864 INFO L231 Difference]: Finished difference. Result has 206 places, 193 transitions, 433 flow [2024-11-24 00:57:58,865 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=425, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=193, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=189, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=433, PETRI_PLACES=206, PETRI_TRANSITIONS=193} [2024-11-24 00:57:58,865 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -32 predicate places. [2024-11-24 00:57:58,865 INFO L471 AbstractCegarLoop]: Abstraction has has 206 places, 193 transitions, 433 flow [2024-11-24 00:57:58,867 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 203.5) internal successors, (1221), 6 states have internal predecessors, (1221), 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) [2024-11-24 00:57:58,867 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:57:58,867 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:58,867 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-24 00:57:58,868 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting thread3Err11ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-24 00:57:58,870 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:58,871 INFO L85 PathProgramCache]: Analyzing trace with hash -1275727372, now seen corresponding path program 1 times [2024-11-24 00:57:58,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:57:58,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404091856] [2024-11-24 00:57:58,871 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:58,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:58,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:58,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:57:58,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:58,985 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404091856] [2024-11-24 00:57:58,985 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1404091856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:58,985 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:58,986 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:57:58,986 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2096588785] [2024-11-24 00:57:58,986 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:58,986 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:57:58,986 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:57:58,987 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:57:58,987 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:57:59,005 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 209 out of 256 [2024-11-24 00:57:59,006 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 206 places, 193 transitions, 433 flow. Second operand has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 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) [2024-11-24 00:57:59,006 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:57:59,006 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 209 of 256 [2024-11-24 00:57:59,006 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:57:59,102 INFO L124 PetriNetUnfolderBase]: 40/360 cut-off events. [2024-11-24 00:57:59,103 INFO L125 PetriNetUnfolderBase]: For 60/60 co-relation queries the response was YES. [2024-11-24 00:57:59,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 528 conditions, 360 events. 40/360 cut-off events. For 60/60 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 1023 event pairs, 26 based on Foata normal form. 0/345 useless extension candidates. Maximal degree in co-relation 472. Up to 69 conditions per place. [2024-11-24 00:57:59,109 INFO L140 encePairwiseOnDemand]: 253/256 looper letters, 18 selfloop transitions, 2 changer transitions 0/194 dead transitions. [2024-11-24 00:57:59,109 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 207 places, 194 transitions, 477 flow [2024-11-24 00:57:59,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:57:59,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:57:59,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 646 transitions. [2024-11-24 00:57:59,111 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8411458333333334 [2024-11-24 00:57:59,111 INFO L175 Difference]: Start difference. First operand has 206 places, 193 transitions, 433 flow. Second operand 3 states and 646 transitions. [2024-11-24 00:57:59,112 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 207 places, 194 transitions, 477 flow [2024-11-24 00:57:59,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 203 places, 194 transitions, 470 flow, removed 0 selfloop flow, removed 4 redundant places. [2024-11-24 00:57:59,116 INFO L231 Difference]: Finished difference. Result has 203 places, 192 transitions, 428 flow [2024-11-24 00:57:59,118 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=424, PETRI_DIFFERENCE_MINUEND_PLACES=201, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=192, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=190, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=428, PETRI_PLACES=203, PETRI_TRANSITIONS=192} [2024-11-24 00:57:59,118 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -35 predicate places. [2024-11-24 00:57:59,119 INFO L471 AbstractCegarLoop]: Abstraction has has 203 places, 192 transitions, 428 flow [2024-11-24 00:57:59,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 212.0) internal successors, (636), 3 states have internal predecessors, (636), 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) [2024-11-24 00:57:59,120 INFO L198 CegarLoopForPetriNet]: Found error trace [2024-11-24 00:57:59,120 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:59,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-24 00:57:59,121 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE, thread1Err4ASSERT_VIOLATIONDATA_RACE (and 73 more)] === [2024-11-24 00:57:59,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:59,122 INFO L85 PathProgramCache]: Analyzing trace with hash -488126877, now seen corresponding path program 1 times [2024-11-24 00:57:59,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:57:59,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001121165] [2024-11-24 00:57:59,122 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:59,122 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:59,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:57:59,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:59,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001121165] [2024-11-24 00:57:59,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1001121165] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:59,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:59,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:57:59,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2056617100] [2024-11-24 00:57:59,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:59,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:57:59,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:57:59,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:57:59,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:57:59,250 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 211 out of 256 [2024-11-24 00:57:59,252 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 203 places, 192 transitions, 428 flow. Second operand has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 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) [2024-11-24 00:57:59,252 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2024-11-24 00:57:59,252 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 211 of 256 [2024-11-24 00:57:59,252 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2024-11-24 00:57:59,328 INFO L124 PetriNetUnfolderBase]: 34/346 cut-off events. [2024-11-24 00:57:59,328 INFO L125 PetriNetUnfolderBase]: For 57/58 co-relation queries the response was YES. [2024-11-24 00:57:59,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 498 conditions, 346 events. 34/346 cut-off events. For 57/58 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 957 event pairs, 24 based on Foata normal form. 1/332 useless extension candidates. Maximal degree in co-relation 461. Up to 63 conditions per place. [2024-11-24 00:57:59,330 INFO L140 encePairwiseOnDemand]: 254/256 looper letters, 0 selfloop transitions, 0 changer transitions 191/191 dead transitions. [2024-11-24 00:57:59,330 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 204 places, 191 transitions, 456 flow [2024-11-24 00:57:59,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:57:59,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2024-11-24 00:57:59,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 647 transitions. [2024-11-24 00:57:59,333 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.8424479166666666 [2024-11-24 00:57:59,333 INFO L175 Difference]: Start difference. First operand has 203 places, 192 transitions, 428 flow. Second operand 3 states and 647 transitions. [2024-11-24 00:57:59,333 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 204 places, 191 transitions, 456 flow [2024-11-24 00:57:59,335 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 202 places, 191 transitions, 452 flow, removed 0 selfloop flow, removed 2 redundant places. [2024-11-24 00:57:59,336 INFO L231 Difference]: Finished difference. Result has 202 places, 0 transitions, 0 flow [2024-11-24 00:57:59,336 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=256, PETRI_DIFFERENCE_MINUEND_FLOW=422, PETRI_DIFFERENCE_MINUEND_PLACES=200, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=191, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=191, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=0, PETRI_PLACES=202, PETRI_TRANSITIONS=0} [2024-11-24 00:57:59,337 INFO L279 CegarLoopForPetriNet]: 238 programPoint places, -36 predicate places. [2024-11-24 00:57:59,338 INFO L471 AbstractCegarLoop]: Abstraction has has 202 places, 0 transitions, 0 flow [2024-11-24 00:57:59,338 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 215.0) internal successors, (645), 3 states have internal predecessors, (645), 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) [2024-11-24 00:57:59,345 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (76 of 77 remaining) [2024-11-24 00:57:59,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (75 of 77 remaining) [2024-11-24 00:57:59,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (74 of 77 remaining) [2024-11-24 00:57:59,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (73 of 77 remaining) [2024-11-24 00:57:59,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (72 of 77 remaining) [2024-11-24 00:57:59,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (71 of 77 remaining) [2024-11-24 00:57:59,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (70 of 77 remaining) [2024-11-24 00:57:59,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (69 of 77 remaining) [2024-11-24 00:57:59,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (68 of 77 remaining) [2024-11-24 00:57:59,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (67 of 77 remaining) [2024-11-24 00:57:59,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (66 of 77 remaining) [2024-11-24 00:57:59,346 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (65 of 77 remaining) [2024-11-24 00:57:59,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (64 of 77 remaining) [2024-11-24 00:57:59,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (63 of 77 remaining) [2024-11-24 00:57:59,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (62 of 77 remaining) [2024-11-24 00:57:59,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (61 of 77 remaining) [2024-11-24 00:57:59,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (60 of 77 remaining) [2024-11-24 00:57:59,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (59 of 77 remaining) [2024-11-24 00:57:59,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (58 of 77 remaining) [2024-11-24 00:57:59,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (57 of 77 remaining) [2024-11-24 00:57:59,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (56 of 77 remaining) [2024-11-24 00:57:59,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (55 of 77 remaining) [2024-11-24 00:57:59,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (54 of 77 remaining) [2024-11-24 00:57:59,347 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (53 of 77 remaining) [2024-11-24 00:57:59,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (52 of 77 remaining) [2024-11-24 00:57:59,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (51 of 77 remaining) [2024-11-24 00:57:59,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (50 of 77 remaining) [2024-11-24 00:57:59,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (49 of 77 remaining) [2024-11-24 00:57:59,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (48 of 77 remaining) [2024-11-24 00:57:59,348 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (47 of 77 remaining) [2024-11-24 00:57:59,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (46 of 77 remaining) [2024-11-24 00:57:59,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (45 of 77 remaining) [2024-11-24 00:57:59,349 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (44 of 77 remaining) [2024-11-24 00:57:59,350 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (43 of 77 remaining) [2024-11-24 00:57:59,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (42 of 77 remaining) [2024-11-24 00:57:59,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (41 of 77 remaining) [2024-11-24 00:57:59,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (40 of 77 remaining) [2024-11-24 00:57:59,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (39 of 77 remaining) [2024-11-24 00:57:59,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (38 of 77 remaining) [2024-11-24 00:57:59,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (37 of 77 remaining) [2024-11-24 00:57:59,351 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (36 of 77 remaining) [2024-11-24 00:57:59,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (35 of 77 remaining) [2024-11-24 00:57:59,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (34 of 77 remaining) [2024-11-24 00:57:59,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (33 of 77 remaining) [2024-11-24 00:57:59,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (32 of 77 remaining) [2024-11-24 00:57:59,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (31 of 77 remaining) [2024-11-24 00:57:59,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (30 of 77 remaining) [2024-11-24 00:57:59,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (29 of 77 remaining) [2024-11-24 00:57:59,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (28 of 77 remaining) [2024-11-24 00:57:59,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (27 of 77 remaining) [2024-11-24 00:57:59,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (26 of 77 remaining) [2024-11-24 00:57:59,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (25 of 77 remaining) [2024-11-24 00:57:59,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (24 of 77 remaining) [2024-11-24 00:57:59,352 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (23 of 77 remaining) [2024-11-24 00:57:59,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (22 of 77 remaining) [2024-11-24 00:57:59,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (21 of 77 remaining) [2024-11-24 00:57:59,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (20 of 77 remaining) [2024-11-24 00:57:59,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (19 of 77 remaining) [2024-11-24 00:57:59,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (18 of 77 remaining) [2024-11-24 00:57:59,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (17 of 77 remaining) [2024-11-24 00:57:59,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (16 of 77 remaining) [2024-11-24 00:57:59,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (15 of 77 remaining) [2024-11-24 00:57:59,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (14 of 77 remaining) [2024-11-24 00:57:59,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (13 of 77 remaining) [2024-11-24 00:57:59,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (12 of 77 remaining) [2024-11-24 00:57:59,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err0ASSERT_VIOLATIONDATA_RACE (11 of 77 remaining) [2024-11-24 00:57:59,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err1ASSERT_VIOLATIONDATA_RACE (10 of 77 remaining) [2024-11-24 00:57:59,353 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err2ASSERT_VIOLATIONDATA_RACE (9 of 77 remaining) [2024-11-24 00:57:59,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err3ASSERT_VIOLATIONDATA_RACE (8 of 77 remaining) [2024-11-24 00:57:59,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err4ASSERT_VIOLATIONDATA_RACE (7 of 77 remaining) [2024-11-24 00:57:59,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err5ASSERT_VIOLATIONDATA_RACE (6 of 77 remaining) [2024-11-24 00:57:59,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err6ASSERT_VIOLATIONDATA_RACE (5 of 77 remaining) [2024-11-24 00:57:59,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err7ASSERT_VIOLATIONDATA_RACE (4 of 77 remaining) [2024-11-24 00:57:59,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err8ASSERT_VIOLATIONDATA_RACE (3 of 77 remaining) [2024-11-24 00:57:59,354 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err9ASSERT_VIOLATIONDATA_RACE (2 of 77 remaining) [2024-11-24 00:57:59,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err10ASSERT_VIOLATIONDATA_RACE (1 of 77 remaining) [2024-11-24 00:57:59,357 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread3Err11ASSERT_VIOLATIONDATA_RACE (0 of 77 remaining) [2024-11-24 00:57:59,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-24 00:57:59,358 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:59,365 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-24 00:57:59,366 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:57:59,373 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:57:59 BasicIcfg [2024-11-24 00:57:59,376 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:57:59,377 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:57:59,377 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:57:59,377 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:57:59,379 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:57:49" (3/4) ... [2024-11-24 00:57:59,381 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 00:57:59,384 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-24 00:57:59,386 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-24 00:57:59,386 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3 [2024-11-24 00:57:59,392 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2024-11-24 00:57:59,394 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-24 00:57:59,394 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-24 00:57:59,394 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 00:57:59,510 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6554c003-e1bd-4633-a599-8a8af3516d37/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:57:59,510 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6554c003-e1bd-4633-a599-8a8af3516d37/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 00:57:59,510 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:57:59,512 INFO L158 Benchmark]: Toolchain (without parser) took 12497.30ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 94.7MB in the beginning and 190.8MB in the end (delta: -96.1MB). Peak memory consumption was 137.3MB. Max. memory is 16.1GB. [2024-11-24 00:57:59,513 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:57:59,513 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.50ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 81.3MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:57:59,514 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.79ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 78.8MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:57:59,515 INFO L158 Benchmark]: Boogie Preprocessor took 70.79ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 76.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:57:59,516 INFO L158 Benchmark]: RCFGBuilder took 1599.23ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 63.5MB in the end (delta: 13.2MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2024-11-24 00:57:59,516 INFO L158 Benchmark]: TraceAbstraction took 10197.09ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 62.9MB in the beginning and 197.9MB in the end (delta: -135.0MB). Peak memory consumption was 98.7MB. Max. memory is 16.1GB. [2024-11-24 00:57:59,517 INFO L158 Benchmark]: Witness Printer took 133.37ms. Allocated memory is still 352.3MB. Free memory was 197.9MB in the beginning and 190.8MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:57:59,519 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.50ms. Allocated memory is still 117.4MB. Free memory was 94.4MB in the beginning and 81.3MB in the end (delta: 13.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.79ms. Allocated memory is still 117.4MB. Free memory was 81.3MB in the beginning and 78.8MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.79ms. Allocated memory is still 117.4MB. Free memory was 78.8MB in the beginning and 76.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1599.23ms. Allocated memory is still 117.4MB. Free memory was 76.7MB in the beginning and 63.5MB in the end (delta: 13.2MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. * TraceAbstraction took 10197.09ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 62.9MB in the beginning and 197.9MB in the end (delta: -135.0MB). Peak memory consumption was 98.7MB. Max. memory is 16.1GB. * Witness Printer took 133.37ms. Allocated memory is still 352.3MB. Free memory was 197.9MB in the beginning and 190.8MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 57]: 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: 58]: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 59]: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 73]: 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: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: 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: 95]: 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: 97]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 98]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 99]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 121]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 109]: 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, 345 locations, 77 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: 9.9s, OverallIterations: 17, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 4.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.3s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 475 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 252 mSDsluCounter, 57 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 83 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 999 IncrementalHoareTripleChecker+Invalid, 1082 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 83 mSolverCounterUnsat, 57 mSDtfsCounter, 999 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 49 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=490occurred in iteration=0, InterpolantAutomatonStates: 61, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 1507 NumberOfCodeBlocks, 1507 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1490 ConstructedInterpolants, 0 QuantifiedInterpolants, 2107 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 17 InterpolantComputations, 17 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 42 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-24 00:57:59,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6554c003-e1bd-4633-a599-8a8af3516d37/bin/uautomizer-verify-LYvppIcaGC/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