./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9936775c-e1f8-4d9a-bc82-fcec4537c7a4/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9936775c-e1f8-4d9a-bc82-fcec4537c7a4/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9936775c-e1f8-4d9a-bc82-fcec4537c7a4/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9936775c-e1f8-4d9a-bc82-fcec4537c7a4/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9936775c-e1f8-4d9a-bc82-fcec4537c7a4/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9936775c-e1f8-4d9a-bc82-fcec4537c7a4/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 cd94157895dc71e9f24fce5dbc4a71d4e4b55c4da9be28372139a3001decae0a --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:31:37,817 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:31:37,935 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9936775c-e1f8-4d9a-bc82-fcec4537c7a4/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-06 22:31:37,944 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:31:37,945 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:31:37,982 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:31:37,984 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:31:37,984 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:31:37,985 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:31:37,991 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:31:37,991 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:31:37,992 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:31:37,993 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:31:37,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:31:37,996 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:31:37,996 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:31:37,997 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:31:37,997 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:31:37,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:31:37,998 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:31:37,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:31:37,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:31:37,999 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-06 22:31:38,000 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-06 22:31:38,000 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:31:38,001 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:31:38,001 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:31:38,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:31:38,002 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:31:38,003 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:31:38,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:31:38,004 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:31:38,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:31:38,005 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:31:38,005 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:31:38,005 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:31:38,006 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:31:38,006 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:31:38,006 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:31:38,007 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:31:38,007 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:31:38,007 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9936775c-e1f8-4d9a-bc82-fcec4537c7a4/bin/uautomizer-verify-WvqO1wxjHP/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9936775c-e1f8-4d9a-bc82-fcec4537c7a4/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cd94157895dc71e9f24fce5dbc4a71d4e4b55c4da9be28372139a3001decae0a [2023-11-06 22:31:38,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:31:38,371 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:31:38,373 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:31:38,375 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:31:38,375 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:31:38,377 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9936775c-e1f8-4d9a-bc82-fcec4537c7a4/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2023-11-06 22:31:41,485 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:31:41,730 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:31:41,730 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9936775c-e1f8-4d9a-bc82-fcec4537c7a4/sv-benchmarks/c/weaver/popl20-more-inc-subseq.wvr.c [2023-11-06 22:31:41,739 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9936775c-e1f8-4d9a-bc82-fcec4537c7a4/bin/uautomizer-verify-WvqO1wxjHP/data/ec478160a/7739a7b5077c4619b37fdc77a152456a/FLAG12bcb0e35 [2023-11-06 22:31:41,755 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9936775c-e1f8-4d9a-bc82-fcec4537c7a4/bin/uautomizer-verify-WvqO1wxjHP/data/ec478160a/7739a7b5077c4619b37fdc77a152456a [2023-11-06 22:31:41,758 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:31:41,760 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:31:41,761 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:31:41,761 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:31:41,767 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:31:41,768 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:31:41" (1/1) ... [2023-11-06 22:31:41,770 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@360eb224 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:41, skipping insertion in model container [2023-11-06 22:31:41,770 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:31:41" (1/1) ... [2023-11-06 22:31:41,798 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:31:42,033 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:31:42,050 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:31:42,092 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:31:42,102 WARN L672 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:31:42,102 WARN L672 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-06 22:31:42,109 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:31:42,110 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:42 WrapperNode [2023-11-06 22:31:42,110 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:31:42,112 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:31:42,112 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:31:42,112 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:31:42,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:42" (1/1) ... [2023-11-06 22:31:42,133 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:42" (1/1) ... [2023-11-06 22:31:42,190 INFO L138 Inliner]: procedures = 24, calls = 46, calls flagged for inlining = 12, calls inlined = 14, statements flattened = 427 [2023-11-06 22:31:42,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:31:42,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:31:42,192 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:31:42,192 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:31:42,211 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:42" (1/1) ... [2023-11-06 22:31:42,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:42" (1/1) ... [2023-11-06 22:31:42,219 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:42" (1/1) ... [2023-11-06 22:31:42,219 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:42" (1/1) ... [2023-11-06 22:31:42,261 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:42" (1/1) ... [2023-11-06 22:31:42,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:42" (1/1) ... [2023-11-06 22:31:42,276 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:42" (1/1) ... [2023-11-06 22:31:42,279 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:42" (1/1) ... [2023-11-06 22:31:42,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:31:42,285 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:31:42,286 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:31:42,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:31:42,287 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:42" (1/1) ... [2023-11-06 22:31:42,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:31:42,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9936775c-e1f8-4d9a-bc82-fcec4537c7a4/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:31:42,336 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9936775c-e1f8-4d9a-bc82-fcec4537c7a4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:31:42,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:31:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-06 22:31:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-06 22:31:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-06 22:31:42,383 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-06 22:31:42,383 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:31:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:31:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:31:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-06 22:31:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-06 22:31:42,384 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-06 22:31:42,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:31:42,387 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:31:42,387 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:31:42,388 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:31:42,389 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-06 22:31:42,355 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9936775c-e1f8-4d9a-bc82-fcec4537c7a4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:31:42,600 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:31:42,603 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:31:43,402 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:31:43,866 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:31:43,866 INFO L302 CfgBuilder]: Removed 4 assume(true) statements. [2023-11-06 22:31:43,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:31:43 BoogieIcfgContainer [2023-11-06 22:31:43,871 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:31:43,877 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:31:43,877 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:31:43,880 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:31:43,881 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:31:41" (1/3) ... [2023-11-06 22:31:43,881 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e0f4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:31:43, skipping insertion in model container [2023-11-06 22:31:43,882 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:31:42" (2/3) ... [2023-11-06 22:31:43,885 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11e0f4ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:31:43, skipping insertion in model container [2023-11-06 22:31:43,885 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:31:43" (3/3) ... [2023-11-06 22:31:43,886 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-inc-subseq.wvr.c [2023-11-06 22:31:43,897 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-06 22:31:43,909 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:31:43,909 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 69 error locations. [2023-11-06 22:31:43,909 INFO L519 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-06 22:31:44,073 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-06 22:31:44,139 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 382 places, 391 transitions, 796 flow [2023-11-06 22:31:44,373 INFO L124 PetriNetUnfolderBase]: 16/389 cut-off events. [2023-11-06 22:31:44,373 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 22:31:44,384 INFO L83 FinitePrefix]: Finished finitePrefix Result has 398 conditions, 389 events. 16/389 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 622 event pairs, 0 based on Foata normal form. 0/304 useless extension candidates. Maximal degree in co-relation 291. Up to 2 conditions per place. [2023-11-06 22:31:44,384 INFO L82 GeneralOperation]: Start removeDead. Operand has 382 places, 391 transitions, 796 flow [2023-11-06 22:31:44,398 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 360 places, 368 transitions, 748 flow [2023-11-06 22:31:44,402 INFO L124 etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation. [2023-11-06 22:31:44,420 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 360 places, 368 transitions, 748 flow [2023-11-06 22:31:44,424 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 360 places, 368 transitions, 748 flow [2023-11-06 22:31:44,425 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 360 places, 368 transitions, 748 flow [2023-11-06 22:31:44,518 INFO L124 PetriNetUnfolderBase]: 15/368 cut-off events. [2023-11-06 22:31:44,518 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-06 22:31:44,521 INFO L83 FinitePrefix]: Finished finitePrefix Result has 377 conditions, 368 events. 15/368 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 17. Compared 612 event pairs, 0 based on Foata normal form. 0/285 useless extension candidates. Maximal degree in co-relation 291. Up to 2 conditions per place. [2023-11-06 22:31:44,530 INFO L119 LiptonReduction]: Number of co-enabled transitions 11388 [2023-11-06 22:32:01,746 INFO L134 LiptonReduction]: Checked pairs total: 59631 [2023-11-06 22:32:01,749 INFO L136 LiptonReduction]: Total number of compositions: 418 [2023-11-06 22:32:01,780 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:32:01,787 INFO L357 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, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@68b1b590, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:32:01,788 INFO L358 AbstractCegarLoop]: Starting to check reachability of 119 error locations. [2023-11-06 22:32:01,790 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-06 22:32:01,790 INFO L124 PetriNetUnfolderBase]: 0/0 cut-off events. [2023-11-06 22:32:01,790 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-06 22:32:01,790 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:32:01,791 INFO L208 CegarLoopForPetriNet]: trace histogram [1] [2023-11-06 22:32:01,792 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-06 22:32:01,796 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:32:01,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1812, now seen corresponding path program 1 times [2023-11-06 22:32:01,834 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:32:01,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1238407739] [2023-11-06 22:32:01,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:32:01,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:32:01,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:32:01,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:32:01,960 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:32:01,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1238407739] [2023-11-06 22:32:01,961 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1238407739] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:32:01,961 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:32:01,961 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-06 22:32:01,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101459331] [2023-11-06 22:32:01,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:32:01,973 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:32:01,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:32:02,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:32:02,007 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:32:02,015 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 339 out of 809 [2023-11-06 22:32:02,022 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 119 places, 118 transitions, 248 flow. Second operand has 2 states, 2 states have (on average 339.5) internal successors, (679), 2 states have internal predecessors, (679), 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) [2023-11-06 22:32:02,023 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:32:02,023 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 339 of 809 [2023-11-06 22:32:02,024 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:32:02,161 INFO L124 PetriNetUnfolderBase]: 133/440 cut-off events. [2023-11-06 22:32:02,162 INFO L125 PetriNetUnfolderBase]: For 20/20 co-relation queries the response was YES. [2023-11-06 22:32:02,164 INFO L83 FinitePrefix]: Finished finitePrefix Result has 692 conditions, 440 events. 133/440 cut-off events. For 20/20 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2283 event pairs, 93 based on Foata normal form. 39/402 useless extension candidates. Maximal degree in co-relation 615. Up to 226 conditions per place. [2023-11-06 22:32:02,168 INFO L140 encePairwiseOnDemand]: 747/809 looper letters, 24 selfloop transitions, 0 changer transitions 1/56 dead transitions. [2023-11-06 22:32:02,168 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 59 places, 56 transitions, 174 flow [2023-11-06 22:32:02,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:32:02,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-06 22:32:02,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 765 transitions. [2023-11-06 22:32:02,187 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.47280593325092707 [2023-11-06 22:32:02,187 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 765 transitions. [2023-11-06 22:32:02,188 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 765 transitions. [2023-11-06 22:32:02,191 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:32:02,194 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 765 transitions. [2023-11-06 22:32:02,199 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 382.5) internal successors, (765), 2 states have internal predecessors, (765), 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) [2023-11-06 22:32:02,208 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 809.0) internal successors, (2427), 3 states have internal predecessors, (2427), 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) [2023-11-06 22:32:02,210 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 809.0) internal successors, (2427), 3 states have internal predecessors, (2427), 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) [2023-11-06 22:32:02,212 INFO L175 Difference]: Start difference. First operand has 119 places, 118 transitions, 248 flow. Second operand 2 states and 765 transitions. [2023-11-06 22:32:02,213 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 59 places, 56 transitions, 174 flow [2023-11-06 22:32:02,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 56 transitions, 166 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 22:32:02,219 INFO L231 Difference]: Finished difference. Result has 55 places, 55 transitions, 113 flow [2023-11-06 22:32:02,221 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=809, PETRI_DIFFERENCE_MINUEND_FLOW=116, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=56, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=56, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=113, PETRI_PLACES=55, PETRI_TRANSITIONS=55} [2023-11-06 22:32:02,225 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -64 predicate places. [2023-11-06 22:32:02,225 INFO L495 AbstractCegarLoop]: Abstraction has has 55 places, 55 transitions, 113 flow [2023-11-06 22:32:02,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 339.5) internal successors, (679), 2 states have internal predecessors, (679), 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) [2023-11-06 22:32:02,226 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:32:02,226 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-06 22:32:02,227 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:32:02,227 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-06 22:32:02,227 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:32:02,228 INFO L85 PathProgramCache]: Analyzing trace with hash -1760010214, now seen corresponding path program 1 times [2023-11-06 22:32:02,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:32:02,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449961137] [2023-11-06 22:32:02,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:32:02,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:32:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:32:02,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:32:02,489 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:32:02,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449961137] [2023-11-06 22:32:02,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449961137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:32:02,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:32:02,491 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:32:02,491 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971764684] [2023-11-06 22:32:02,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:32:02,492 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:32:02,493 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:32:02,493 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:32:02,494 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:32:02,509 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 330 out of 809 [2023-11-06 22:32:02,511 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 55 places, 55 transitions, 113 flow. Second operand has 3 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 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) [2023-11-06 22:32:02,511 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:32:02,511 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 330 of 809 [2023-11-06 22:32:02,511 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:32:02,675 INFO L124 PetriNetUnfolderBase]: 198/503 cut-off events. [2023-11-06 22:32:02,676 INFO L125 PetriNetUnfolderBase]: For 4/17 co-relation queries the response was YES. [2023-11-06 22:32:02,677 INFO L83 FinitePrefix]: Finished finitePrefix Result has 854 conditions, 503 events. 198/503 cut-off events. For 4/17 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2272 event pairs, 69 based on Foata normal form. 1/446 useless extension candidates. Maximal degree in co-relation 851. Up to 309 conditions per place. [2023-11-06 22:32:02,680 INFO L140 encePairwiseOnDemand]: 802/809 looper letters, 32 selfloop transitions, 4 changer transitions 0/60 dead transitions. [2023-11-06 22:32:02,681 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 53 places, 60 transitions, 196 flow [2023-11-06 22:32:02,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:32:02,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:32:02,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1029 transitions. [2023-11-06 22:32:02,686 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.42398022249690975 [2023-11-06 22:32:02,686 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1029 transitions. [2023-11-06 22:32:02,686 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1029 transitions. [2023-11-06 22:32:02,688 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:32:02,688 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1029 transitions. [2023-11-06 22:32:02,695 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 343.0) internal successors, (1029), 3 states have internal predecessors, (1029), 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) [2023-11-06 22:32:02,703 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 809.0) internal successors, (3236), 4 states have internal predecessors, (3236), 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) [2023-11-06 22:32:02,706 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 809.0) internal successors, (3236), 4 states have internal predecessors, (3236), 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) [2023-11-06 22:32:02,707 INFO L175 Difference]: Start difference. First operand has 55 places, 55 transitions, 113 flow. Second operand 3 states and 1029 transitions. [2023-11-06 22:32:02,707 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 53 places, 60 transitions, 196 flow [2023-11-06 22:32:02,708 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 53 places, 60 transitions, 196 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-06 22:32:02,711 INFO L231 Difference]: Finished difference. Result has 54 places, 55 transitions, 131 flow [2023-11-06 22:32:02,711 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=809, PETRI_DIFFERENCE_MINUEND_FLOW=107, PETRI_DIFFERENCE_MINUEND_PLACES=51, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=48, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=131, PETRI_PLACES=54, PETRI_TRANSITIONS=55} [2023-11-06 22:32:02,713 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -65 predicate places. [2023-11-06 22:32:02,719 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 55 transitions, 131 flow [2023-11-06 22:32:02,720 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 332.0) internal successors, (996), 3 states have internal predecessors, (996), 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) [2023-11-06 22:32:02,720 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:32:02,721 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:32:02,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:32:02,721 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread1Err1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-06 22:32:02,722 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:32:02,722 INFO L85 PathProgramCache]: Analyzing trace with hash 847340349, now seen corresponding path program 1 times [2023-11-06 22:32:02,722 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:32:02,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560623778] [2023-11-06 22:32:02,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:32:02,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:32:02,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:32:02,826 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:32:02,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:32:02,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560623778] [2023-11-06 22:32:02,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560623778] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:32:02,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:32:02,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:32:02,828 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1636277090] [2023-11-06 22:32:02,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:32:02,828 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:32:02,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:32:02,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:32:02,829 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:32:02,845 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 329 out of 809 [2023-11-06 22:32:02,847 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 55 transitions, 131 flow. Second operand has 3 states, 3 states have (on average 331.0) internal successors, (993), 3 states have internal predecessors, (993), 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) [2023-11-06 22:32:02,847 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:32:02,847 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 329 of 809 [2023-11-06 22:32:02,847 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:32:02,965 INFO L124 PetriNetUnfolderBase]: 162/462 cut-off events. [2023-11-06 22:32:02,965 INFO L125 PetriNetUnfolderBase]: For 49/85 co-relation queries the response was YES. [2023-11-06 22:32:02,967 INFO L83 FinitePrefix]: Finished finitePrefix Result has 819 conditions, 462 events. 162/462 cut-off events. For 49/85 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2171 event pairs, 115 based on Foata normal form. 0/403 useless extension candidates. Maximal degree in co-relation 815. Up to 266 conditions per place. [2023-11-06 22:32:02,969 INFO L140 encePairwiseOnDemand]: 807/809 looper letters, 26 selfloop transitions, 1 changer transitions 0/54 dead transitions. [2023-11-06 22:32:02,970 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 55 places, 54 transitions, 183 flow [2023-11-06 22:32:02,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:32:02,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:32:02,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1013 transitions. [2023-11-06 22:32:02,975 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.41738772146683145 [2023-11-06 22:32:02,975 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1013 transitions. [2023-11-06 22:32:02,975 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1013 transitions. [2023-11-06 22:32:02,976 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:32:02,976 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1013 transitions. [2023-11-06 22:32:02,980 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 337.6666666666667) internal successors, (1013), 3 states have internal predecessors, (1013), 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) [2023-11-06 22:32:02,987 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 809.0) internal successors, (3236), 4 states have internal predecessors, (3236), 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) [2023-11-06 22:32:02,989 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 809.0) internal successors, (3236), 4 states have internal predecessors, (3236), 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) [2023-11-06 22:32:02,990 INFO L175 Difference]: Start difference. First operand has 54 places, 55 transitions, 131 flow. Second operand 3 states and 1013 transitions. [2023-11-06 22:32:02,990 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 55 places, 54 transitions, 183 flow [2023-11-06 22:32:02,991 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 54 places, 54 transitions, 179 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:32:02,993 INFO L231 Difference]: Finished difference. Result has 54 places, 54 transitions, 127 flow [2023-11-06 22:32:02,993 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=809, PETRI_DIFFERENCE_MINUEND_FLOW=125, PETRI_DIFFERENCE_MINUEND_PLACES=52, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=53, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=127, PETRI_PLACES=54, PETRI_TRANSITIONS=54} [2023-11-06 22:32:02,994 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -65 predicate places. [2023-11-06 22:32:02,994 INFO L495 AbstractCegarLoop]: Abstraction has has 54 places, 54 transitions, 127 flow [2023-11-06 22:32:02,995 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 331.0) internal successors, (993), 3 states have internal predecessors, (993), 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) [2023-11-06 22:32:02,996 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:32:02,996 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:32:02,996 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:32:02,996 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-06 22:32:02,997 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:32:02,997 INFO L85 PathProgramCache]: Analyzing trace with hash 402895639, now seen corresponding path program 1 times [2023-11-06 22:32:02,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:32:02,998 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271352440] [2023-11-06 22:32:02,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:32:02,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:32:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:32:03,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-06 22:32:03,197 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:32:03,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [271352440] [2023-11-06 22:32:03,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [271352440] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:32:03,202 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:32:03,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:32:03,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836099252] [2023-11-06 22:32:03,202 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:32:03,203 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-06 22:32:03,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:32:03,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-06 22:32:03,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-06 22:32:03,303 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 327 out of 809 [2023-11-06 22:32:03,305 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 54 places, 54 transitions, 127 flow. Second operand has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 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) [2023-11-06 22:32:03,305 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:32:03,305 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 327 of 809 [2023-11-06 22:32:03,306 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:32:03,447 INFO L124 PetriNetUnfolderBase]: 148/450 cut-off events. [2023-11-06 22:32:03,447 INFO L125 PetriNetUnfolderBase]: For 31/31 co-relation queries the response was YES. [2023-11-06 22:32:03,449 INFO L83 FinitePrefix]: Finished finitePrefix Result has 770 conditions, 450 events. 148/450 cut-off events. For 31/31 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2227 event pairs, 103 based on Foata normal form. 0/391 useless extension candidates. Maximal degree in co-relation 765. Up to 245 conditions per place. [2023-11-06 22:32:03,451 INFO L140 encePairwiseOnDemand]: 806/809 looper letters, 25 selfloop transitions, 2 changer transitions 0/55 dead transitions. [2023-11-06 22:32:03,451 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 56 places, 55 transitions, 183 flow [2023-11-06 22:32:03,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-06 22:32:03,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-06 22:32:03,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 1007 transitions. [2023-11-06 22:32:03,456 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4149155335805521 [2023-11-06 22:32:03,456 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 1007 transitions. [2023-11-06 22:32:03,456 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 1007 transitions. [2023-11-06 22:32:03,457 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:32:03,457 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 1007 transitions. [2023-11-06 22:32:03,460 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 335.6666666666667) internal successors, (1007), 3 states have internal predecessors, (1007), 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) [2023-11-06 22:32:03,466 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 809.0) internal successors, (3236), 4 states have internal predecessors, (3236), 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) [2023-11-06 22:32:03,468 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 809.0) internal successors, (3236), 4 states have internal predecessors, (3236), 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) [2023-11-06 22:32:03,468 INFO L175 Difference]: Start difference. First operand has 54 places, 54 transitions, 127 flow. Second operand 3 states and 1007 transitions. [2023-11-06 22:32:03,469 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 56 places, 55 transitions, 183 flow [2023-11-06 22:32:03,470 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 55 places, 55 transitions, 182 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-06 22:32:03,471 INFO L231 Difference]: Finished difference. Result has 56 places, 55 transitions, 138 flow [2023-11-06 22:32:03,471 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=809, PETRI_DIFFERENCE_MINUEND_FLOW=126, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=138, PETRI_PLACES=56, PETRI_TRANSITIONS=55} [2023-11-06 22:32:03,472 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -63 predicate places. [2023-11-06 22:32:03,472 INFO L495 AbstractCegarLoop]: Abstraction has has 56 places, 55 transitions, 138 flow [2023-11-06 22:32:03,473 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 329.3333333333333) internal successors, (988), 3 states have internal predecessors, (988), 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) [2023-11-06 22:32:03,473 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:32:03,474 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:32:03,474 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-06 22:32:03,474 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-06 22:32:03,474 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:32:03,474 INFO L85 PathProgramCache]: Analyzing trace with hash 902424090, now seen corresponding path program 1 times [2023-11-06 22:32:03,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:32:03,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227179063] [2023-11-06 22:32:03,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:32:03,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:32:03,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:32:03,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:32:03,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:32:03,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227179063] [2023-11-06 22:32:03,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227179063] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:32:03,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:32:03,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:32:03,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [984858128] [2023-11-06 22:32:03,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:32:03,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:32:03,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:32:03,938 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:32:03,938 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:32:04,289 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 809 [2023-11-06 22:32:04,292 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 56 places, 55 transitions, 138 flow. Second operand has 6 states, 6 states have (on average 323.0) internal successors, (1938), 6 states have internal predecessors, (1938), 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) [2023-11-06 22:32:04,292 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:32:04,292 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 809 [2023-11-06 22:32:04,292 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:32:04,846 INFO L124 PetriNetUnfolderBase]: 451/898 cut-off events. [2023-11-06 22:32:04,846 INFO L125 PetriNetUnfolderBase]: For 120/120 co-relation queries the response was YES. [2023-11-06 22:32:04,849 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1771 conditions, 898 events. 451/898 cut-off events. For 120/120 co-relation queries the response was YES. Maximal size of possible extension queue 57. Compared 4534 event pairs, 37 based on Foata normal form. 0/769 useless extension candidates. Maximal degree in co-relation 1765. Up to 242 conditions per place. [2023-11-06 22:32:04,854 INFO L140 encePairwiseOnDemand]: 804/809 looper letters, 87 selfloop transitions, 4 changer transitions 0/114 dead transitions. [2023-11-06 22:32:04,854 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 60 places, 114 transitions, 478 flow [2023-11-06 22:32:04,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:32:04,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:32:04,861 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 2007 transitions. [2023-11-06 22:32:04,862 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4134734239802225 [2023-11-06 22:32:04,862 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 2007 transitions. [2023-11-06 22:32:04,862 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 2007 transitions. [2023-11-06 22:32:04,864 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:32:04,864 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 2007 transitions. [2023-11-06 22:32:04,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 334.5) internal successors, (2007), 6 states have internal predecessors, (2007), 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) [2023-11-06 22:32:04,882 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 809.0) internal successors, (5663), 7 states have internal predecessors, (5663), 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) [2023-11-06 22:32:04,900 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 809.0) internal successors, (5663), 7 states have internal predecessors, (5663), 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) [2023-11-06 22:32:04,900 INFO L175 Difference]: Start difference. First operand has 56 places, 55 transitions, 138 flow. Second operand 6 states and 2007 transitions. [2023-11-06 22:32:04,900 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 60 places, 114 transitions, 478 flow [2023-11-06 22:32:04,904 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 114 transitions, 474 flow, removed 1 selfloop flow, removed 1 redundant places. [2023-11-06 22:32:04,907 INFO L231 Difference]: Finished difference. Result has 59 places, 54 transitions, 140 flow [2023-11-06 22:32:04,908 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=809, PETRI_DIFFERENCE_MINUEND_FLOW=132, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=54, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=50, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=140, PETRI_PLACES=59, PETRI_TRANSITIONS=54} [2023-11-06 22:32:04,911 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -60 predicate places. [2023-11-06 22:32:04,911 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 54 transitions, 140 flow [2023-11-06 22:32:04,913 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 323.0) internal successors, (1938), 6 states have internal predecessors, (1938), 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) [2023-11-06 22:32:04,913 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:32:04,913 INFO L208 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:32:04,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-06 22:32:04,914 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting thread1Err4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-06 22:32:04,914 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:32:04,914 INFO L85 PathProgramCache]: Analyzing trace with hash -1373007031, now seen corresponding path program 1 times [2023-11-06 22:32:04,914 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:32:04,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1415523593] [2023-11-06 22:32:04,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:32:04,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:32:04,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:32:05,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:32:05,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:32:05,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1415523593] [2023-11-06 22:32:05,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1415523593] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:32:05,305 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:32:05,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:32:05,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [55812638] [2023-11-06 22:32:05,306 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:32:05,306 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:32:05,307 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:32:05,307 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:32:05,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:32:05,672 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 316 out of 809 [2023-11-06 22:32:05,676 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 54 transitions, 140 flow. Second operand has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 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) [2023-11-06 22:32:05,676 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:32:05,676 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 316 of 809 [2023-11-06 22:32:05,676 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:32:05,971 INFO L124 PetriNetUnfolderBase]: 260/535 cut-off events. [2023-11-06 22:32:05,971 INFO L125 PetriNetUnfolderBase]: For 130/130 co-relation queries the response was YES. [2023-11-06 22:32:05,973 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1182 conditions, 535 events. 260/535 cut-off events. For 130/130 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 2117 event pairs, 55 based on Foata normal form. 0/467 useless extension candidates. Maximal degree in co-relation 1176. Up to 226 conditions per place. [2023-11-06 22:32:05,976 INFO L140 encePairwiseOnDemand]: 802/809 looper letters, 58 selfloop transitions, 5 changer transitions 0/80 dead transitions. [2023-11-06 22:32:05,976 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 62 places, 80 transitions, 346 flow [2023-11-06 22:32:05,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:32:05,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:32:05,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1958 transitions. [2023-11-06 22:32:05,984 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4033786567779151 [2023-11-06 22:32:05,984 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1958 transitions. [2023-11-06 22:32:05,985 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1958 transitions. [2023-11-06 22:32:05,986 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:32:05,986 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1958 transitions. [2023-11-06 22:32:05,992 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 326.3333333333333) internal successors, (1958), 6 states have internal predecessors, (1958), 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) [2023-11-06 22:32:06,001 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 809.0) internal successors, (5663), 7 states have internal predecessors, (5663), 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) [2023-11-06 22:32:06,003 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 809.0) internal successors, (5663), 7 states have internal predecessors, (5663), 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) [2023-11-06 22:32:06,003 INFO L175 Difference]: Start difference. First operand has 59 places, 54 transitions, 140 flow. Second operand 6 states and 1958 transitions. [2023-11-06 22:32:06,003 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 62 places, 80 transitions, 346 flow [2023-11-06 22:32:06,005 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 58 places, 80 transitions, 331 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-06 22:32:06,006 INFO L231 Difference]: Finished difference. Result has 58 places, 52 transitions, 139 flow [2023-11-06 22:32:06,007 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=809, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=47, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=139, PETRI_PLACES=58, PETRI_TRANSITIONS=52} [2023-11-06 22:32:06,008 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -61 predicate places. [2023-11-06 22:32:06,008 INFO L495 AbstractCegarLoop]: Abstraction has has 58 places, 52 transitions, 139 flow [2023-11-06 22:32:06,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 318.0) internal successors, (1908), 6 states have internal predecessors, (1908), 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) [2023-11-06 22:32:06,009 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:32:06,009 INFO L208 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] [2023-11-06 22:32:06,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-06 22:32:06,010 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-06 22:32:06,010 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:32:06,010 INFO L85 PathProgramCache]: Analyzing trace with hash -1041442073, now seen corresponding path program 1 times [2023-11-06 22:32:06,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:32:06,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1128916011] [2023-11-06 22:32:06,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:32:06,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:32:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:32:06,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-06 22:32:06,099 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:32:06,100 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1128916011] [2023-11-06 22:32:06,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1128916011] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:32:06,100 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:32:06,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-06 22:32:06,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [6687310] [2023-11-06 22:32:06,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:32:06,101 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-06 22:32:06,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:32:06,102 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-06 22:32:06,102 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-06 22:32:06,162 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 334 out of 809 [2023-11-06 22:32:06,164 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 58 places, 52 transitions, 139 flow. Second operand has 4 states, 4 states have (on average 336.75) internal successors, (1347), 4 states have internal predecessors, (1347), 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) [2023-11-06 22:32:06,164 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:32:06,164 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 334 of 809 [2023-11-06 22:32:06,164 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:32:06,378 INFO L124 PetriNetUnfolderBase]: 256/743 cut-off events. [2023-11-06 22:32:06,378 INFO L125 PetriNetUnfolderBase]: For 79/79 co-relation queries the response was YES. [2023-11-06 22:32:06,380 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1409 conditions, 743 events. 256/743 cut-off events. For 79/79 co-relation queries the response was YES. Maximal size of possible extension queue 26. Compared 3695 event pairs, 78 based on Foata normal form. 0/669 useless extension candidates. Maximal degree in co-relation 1403. Up to 242 conditions per place. [2023-11-06 22:32:06,384 INFO L140 encePairwiseOnDemand]: 805/809 looper letters, 40 selfloop transitions, 3 changer transitions 0/68 dead transitions. [2023-11-06 22:32:06,384 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 68 transitions, 268 flow [2023-11-06 22:32:06,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-06 22:32:06,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2023-11-06 22:32:06,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 1376 transitions. [2023-11-06 22:32:06,390 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.4252163164400494 [2023-11-06 22:32:06,390 INFO L72 ComplementDD]: Start complementDD. Operand 4 states and 1376 transitions. [2023-11-06 22:32:06,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 4 states and 1376 transitions. [2023-11-06 22:32:06,391 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:32:06,391 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 4 states and 1376 transitions. [2023-11-06 22:32:06,395 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 5 states, 4 states have (on average 344.0) internal successors, (1376), 4 states have internal predecessors, (1376), 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) [2023-11-06 22:32:06,401 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 5 states, 5 states have (on average 809.0) internal successors, (4045), 5 states have internal predecessors, (4045), 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) [2023-11-06 22:32:06,403 INFO L81 ComplementDD]: Finished complementDD. Result has 5 states, 5 states have (on average 809.0) internal successors, (4045), 5 states have internal predecessors, (4045), 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) [2023-11-06 22:32:06,403 INFO L175 Difference]: Start difference. First operand has 58 places, 52 transitions, 139 flow. Second operand 4 states and 1376 transitions. [2023-11-06 22:32:06,403 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 68 transitions, 268 flow [2023-11-06 22:32:06,405 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 56 places, 68 transitions, 256 flow, removed 0 selfloop flow, removed 5 redundant places. [2023-11-06 22:32:06,407 INFO L231 Difference]: Finished difference. Result has 57 places, 53 transitions, 145 flow [2023-11-06 22:32:06,407 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=809, PETRI_DIFFERENCE_MINUEND_FLOW=129, PETRI_DIFFERENCE_MINUEND_PLACES=53, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=49, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=145, PETRI_PLACES=57, PETRI_TRANSITIONS=53} [2023-11-06 22:32:06,408 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -62 predicate places. [2023-11-06 22:32:06,408 INFO L495 AbstractCegarLoop]: Abstraction has has 57 places, 53 transitions, 145 flow [2023-11-06 22:32:06,409 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 336.75) internal successors, (1347), 4 states have internal predecessors, (1347), 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) [2023-11-06 22:32:06,409 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-06 22:32:06,409 INFO L208 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:32:06,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-06 22:32:06,409 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 115 more)] === [2023-11-06 22:32:06,410 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:32:06,410 INFO L85 PathProgramCache]: Analyzing trace with hash -998514790, now seen corresponding path program 1 times [2023-11-06 22:32:06,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:32:06,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515584931] [2023-11-06 22:32:06,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:32:06,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:32:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:32:06,966 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-06 22:32:06,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:32:06,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515584931] [2023-11-06 22:32:06,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515584931] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:32:06,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:32:06,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-06 22:32:06,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162122020] [2023-11-06 22:32:06,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:32:06,968 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-06 22:32:06,968 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:32:06,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-06 22:32:06,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-06 22:32:07,301 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 321 out of 809 [2023-11-06 22:32:07,303 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 57 places, 53 transitions, 145 flow. Second operand has 6 states, 6 states have (on average 324.1666666666667) internal successors, (1945), 6 states have internal predecessors, (1945), 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) [2023-11-06 22:32:07,303 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-06 22:32:07,304 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 321 of 809 [2023-11-06 22:32:07,304 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-06 22:32:07,603 INFO L124 PetriNetUnfolderBase]: 272/755 cut-off events. [2023-11-06 22:32:07,603 INFO L125 PetriNetUnfolderBase]: For 100/100 co-relation queries the response was YES. [2023-11-06 22:32:07,605 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1404 conditions, 755 events. 272/755 cut-off events. For 100/100 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 3671 event pairs, 180 based on Foata normal form. 0/692 useless extension candidates. Maximal degree in co-relation 1397. Up to 420 conditions per place. [2023-11-06 22:32:07,606 INFO L140 encePairwiseOnDemand]: 804/809 looper letters, 0 selfloop transitions, 0 changer transitions 68/68 dead transitions. [2023-11-06 22:32:07,606 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 61 places, 68 transitions, 287 flow [2023-11-06 22:32:07,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:32:07,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-06 22:32:07,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 1971 transitions. [2023-11-06 22:32:07,614 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.40605686032138444 [2023-11-06 22:32:07,614 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 1971 transitions. [2023-11-06 22:32:07,614 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 1971 transitions. [2023-11-06 22:32:07,616 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-06 22:32:07,616 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 1971 transitions. [2023-11-06 22:32:07,621 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 328.5) internal successors, (1971), 6 states have internal predecessors, (1971), 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) [2023-11-06 22:32:07,631 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 809.0) internal successors, (5663), 7 states have internal predecessors, (5663), 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) [2023-11-06 22:32:07,633 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 809.0) internal successors, (5663), 7 states have internal predecessors, (5663), 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) [2023-11-06 22:32:07,633 INFO L175 Difference]: Start difference. First operand has 57 places, 53 transitions, 145 flow. Second operand 6 states and 1971 transitions. [2023-11-06 22:32:07,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 61 places, 68 transitions, 287 flow [2023-11-06 22:32:07,634 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 59 places, 68 transitions, 283 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-06 22:32:07,635 INFO L231 Difference]: Finished difference. Result has 59 places, 0 transitions, 0 flow [2023-11-06 22:32:07,635 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=809, PETRI_DIFFERENCE_MINUEND_FLOW=139, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=52, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=0, PETRI_PLACES=59, PETRI_TRANSITIONS=0} [2023-11-06 22:32:07,636 INFO L281 CegarLoopForPetriNet]: 119 programPoint places, -60 predicate places. [2023-11-06 22:32:07,636 INFO L495 AbstractCegarLoop]: Abstraction has has 59 places, 0 transitions, 0 flow [2023-11-06 22:32:07,637 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 324.1666666666667) internal successors, (1945), 6 states have internal predecessors, (1945), 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) [2023-11-06 22:32:07,639 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (118 of 119 remaining) [2023-11-06 22:32:07,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (117 of 119 remaining) [2023-11-06 22:32:07,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (116 of 119 remaining) [2023-11-06 22:32:07,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (115 of 119 remaining) [2023-11-06 22:32:07,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (114 of 119 remaining) [2023-11-06 22:32:07,640 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (113 of 119 remaining) [2023-11-06 22:32:07,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (112 of 119 remaining) [2023-11-06 22:32:07,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (111 of 119 remaining) [2023-11-06 22:32:07,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (110 of 119 remaining) [2023-11-06 22:32:07,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (109 of 119 remaining) [2023-11-06 22:32:07,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (108 of 119 remaining) [2023-11-06 22:32:07,641 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (107 of 119 remaining) [2023-11-06 22:32:07,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (106 of 119 remaining) [2023-11-06 22:32:07,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (105 of 119 remaining) [2023-11-06 22:32:07,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (104 of 119 remaining) [2023-11-06 22:32:07,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (103 of 119 remaining) [2023-11-06 22:32:07,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (102 of 119 remaining) [2023-11-06 22:32:07,642 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (101 of 119 remaining) [2023-11-06 22:32:07,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (100 of 119 remaining) [2023-11-06 22:32:07,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (99 of 119 remaining) [2023-11-06 22:32:07,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (98 of 119 remaining) [2023-11-06 22:32:07,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (97 of 119 remaining) [2023-11-06 22:32:07,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (96 of 119 remaining) [2023-11-06 22:32:07,643 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (95 of 119 remaining) [2023-11-06 22:32:07,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (94 of 119 remaining) [2023-11-06 22:32:07,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (93 of 119 remaining) [2023-11-06 22:32:07,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (92 of 119 remaining) [2023-11-06 22:32:07,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (91 of 119 remaining) [2023-11-06 22:32:07,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (90 of 119 remaining) [2023-11-06 22:32:07,644 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (89 of 119 remaining) [2023-11-06 22:32:07,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (88 of 119 remaining) [2023-11-06 22:32:07,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (87 of 119 remaining) [2023-11-06 22:32:07,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (86 of 119 remaining) [2023-11-06 22:32:07,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (85 of 119 remaining) [2023-11-06 22:32:07,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (84 of 119 remaining) [2023-11-06 22:32:07,645 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (83 of 119 remaining) [2023-11-06 22:32:07,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (82 of 119 remaining) [2023-11-06 22:32:07,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (81 of 119 remaining) [2023-11-06 22:32:07,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (80 of 119 remaining) [2023-11-06 22:32:07,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (79 of 119 remaining) [2023-11-06 22:32:07,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (78 of 119 remaining) [2023-11-06 22:32:07,646 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (77 of 119 remaining) [2023-11-06 22:32:07,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (76 of 119 remaining) [2023-11-06 22:32:07,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (75 of 119 remaining) [2023-11-06 22:32:07,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (74 of 119 remaining) [2023-11-06 22:32:07,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (73 of 119 remaining) [2023-11-06 22:32:07,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (72 of 119 remaining) [2023-11-06 22:32:07,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (71 of 119 remaining) [2023-11-06 22:32:07,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (70 of 119 remaining) [2023-11-06 22:32:07,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (69 of 119 remaining) [2023-11-06 22:32:07,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (68 of 119 remaining) [2023-11-06 22:32:07,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (67 of 119 remaining) [2023-11-06 22:32:07,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (66 of 119 remaining) [2023-11-06 22:32:07,648 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (65 of 119 remaining) [2023-11-06 22:32:07,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (64 of 119 remaining) [2023-11-06 22:32:07,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (63 of 119 remaining) [2023-11-06 22:32:07,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (62 of 119 remaining) [2023-11-06 22:32:07,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (61 of 119 remaining) [2023-11-06 22:32:07,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (60 of 119 remaining) [2023-11-06 22:32:07,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (59 of 119 remaining) [2023-11-06 22:32:07,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (58 of 119 remaining) [2023-11-06 22:32:07,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (57 of 119 remaining) [2023-11-06 22:32:07,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (56 of 119 remaining) [2023-11-06 22:32:07,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (55 of 119 remaining) [2023-11-06 22:32:07,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (54 of 119 remaining) [2023-11-06 22:32:07,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (53 of 119 remaining) [2023-11-06 22:32:07,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (52 of 119 remaining) [2023-11-06 22:32:07,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (51 of 119 remaining) [2023-11-06 22:32:07,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (50 of 119 remaining) [2023-11-06 22:32:07,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (49 of 119 remaining) [2023-11-06 22:32:07,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (48 of 119 remaining) [2023-11-06 22:32:07,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (47 of 119 remaining) [2023-11-06 22:32:07,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (46 of 119 remaining) [2023-11-06 22:32:07,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (45 of 119 remaining) [2023-11-06 22:32:07,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (44 of 119 remaining) [2023-11-06 22:32:07,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (43 of 119 remaining) [2023-11-06 22:32:07,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (42 of 119 remaining) [2023-11-06 22:32:07,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (41 of 119 remaining) [2023-11-06 22:32:07,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (40 of 119 remaining) [2023-11-06 22:32:07,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (39 of 119 remaining) [2023-11-06 22:32:07,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err9ASSERT_VIOLATIONDATA_RACE (38 of 119 remaining) [2023-11-06 22:32:07,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err10ASSERT_VIOLATIONDATA_RACE (37 of 119 remaining) [2023-11-06 22:32:07,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err11ASSERT_VIOLATIONDATA_RACE (36 of 119 remaining) [2023-11-06 22:32:07,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err12ASSERT_VIOLATIONDATA_RACE (35 of 119 remaining) [2023-11-06 22:32:07,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err13ASSERT_VIOLATIONDATA_RACE (34 of 119 remaining) [2023-11-06 22:32:07,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err14ASSERT_VIOLATIONDATA_RACE (33 of 119 remaining) [2023-11-06 22:32:07,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err15ASSERT_VIOLATIONDATA_RACE (32 of 119 remaining) [2023-11-06 22:32:07,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err16ASSERT_VIOLATIONDATA_RACE (31 of 119 remaining) [2023-11-06 22:32:07,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err21ASSERT_VIOLATIONDATA_RACE (30 of 119 remaining) [2023-11-06 22:32:07,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err22ASSERT_VIOLATIONDATA_RACE (29 of 119 remaining) [2023-11-06 22:32:07,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err17ASSERT_VIOLATIONDATA_RACE (28 of 119 remaining) [2023-11-06 22:32:07,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err18ASSERT_VIOLATIONDATA_RACE (27 of 119 remaining) [2023-11-06 22:32:07,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err19ASSERT_VIOLATIONDATA_RACE (26 of 119 remaining) [2023-11-06 22:32:07,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err20ASSERT_VIOLATIONDATA_RACE (25 of 119 remaining) [2023-11-06 22:32:07,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (24 of 119 remaining) [2023-11-06 22:32:07,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (23 of 119 remaining) [2023-11-06 22:32:07,655 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (22 of 119 remaining) [2023-11-06 22:32:07,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (21 of 119 remaining) [2023-11-06 22:32:07,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (20 of 119 remaining) [2023-11-06 22:32:07,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (19 of 119 remaining) [2023-11-06 22:32:07,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (18 of 119 remaining) [2023-11-06 22:32:07,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (17 of 119 remaining) [2023-11-06 22:32:07,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (16 of 119 remaining) [2023-11-06 22:32:07,656 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (15 of 119 remaining) [2023-11-06 22:32:07,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (14 of 119 remaining) [2023-11-06 22:32:07,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (13 of 119 remaining) [2023-11-06 22:32:07,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (12 of 119 remaining) [2023-11-06 22:32:07,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (11 of 119 remaining) [2023-11-06 22:32:07,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (10 of 119 remaining) [2023-11-06 22:32:07,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (9 of 119 remaining) [2023-11-06 22:32:07,657 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (8 of 119 remaining) [2023-11-06 22:32:07,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (7 of 119 remaining) [2023-11-06 22:32:07,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (6 of 119 remaining) [2023-11-06 22:32:07,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (5 of 119 remaining) [2023-11-06 22:32:07,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (4 of 119 remaining) [2023-11-06 22:32:07,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (3 of 119 remaining) [2023-11-06 22:32:07,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (2 of 119 remaining) [2023-11-06 22:32:07,658 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (1 of 119 remaining) [2023-11-06 22:32:07,659 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (0 of 119 remaining) [2023-11-06 22:32:07,659 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-06 22:32:07,659 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:32:07,665 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-06 22:32:07,665 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-06 22:32:07,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.11 10:32:07 BasicIcfg [2023-11-06 22:32:07,670 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-06 22:32:07,671 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-06 22:32:07,671 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-06 22:32:07,671 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-06 22:32:07,672 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:31:43" (3/4) ... [2023-11-06 22:32:07,673 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-06 22:32:07,678 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-06 22:32:07,678 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-06 22:32:07,688 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2023-11-06 22:32:07,688 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-06 22:32:07,689 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-06 22:32:07,690 INFO L939 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-06 22:32:07,793 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9936775c-e1f8-4d9a-bc82-fcec4537c7a4/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.graphml [2023-11-06 22:32:07,793 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9936775c-e1f8-4d9a-bc82-fcec4537c7a4/bin/uautomizer-verify-WvqO1wxjHP/witness.graphml.yaml [2023-11-06 22:32:07,793 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-06 22:32:07,794 INFO L158 Benchmark]: Toolchain (without parser) took 26034.30ms. Allocated memory was 167.8MB in the beginning and 299.9MB in the end (delta: 132.1MB). Free memory was 123.2MB in the beginning and 205.6MB in the end (delta: -82.4MB). Peak memory consumption was 51.5MB. Max. memory is 16.1GB. [2023-11-06 22:32:07,794 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-06 22:32:07,794 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.57ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 109.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-06 22:32:07,795 INFO L158 Benchmark]: Boogie Procedure Inliner took 79.23ms. Allocated memory is still 167.8MB. Free memory was 109.6MB in the beginning and 106.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-06 22:32:07,795 INFO L158 Benchmark]: Boogie Preprocessor took 93.13ms. Allocated memory is still 167.8MB. Free memory was 106.4MB in the beginning and 103.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:32:07,796 INFO L158 Benchmark]: RCFGBuilder took 1586.19ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 103.4MB in the beginning and 125.5MB in the end (delta: -22.1MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. [2023-11-06 22:32:07,796 INFO L158 Benchmark]: TraceAbstraction took 23793.41ms. Allocated memory was 207.6MB in the beginning and 299.9MB in the end (delta: 92.3MB). Free memory was 124.4MB in the beginning and 210.8MB in the end (delta: -86.4MB). Peak memory consumption was 133.1MB. Max. memory is 16.1GB. [2023-11-06 22:32:07,796 INFO L158 Benchmark]: Witness Printer took 122.31ms. Allocated memory is still 299.9MB. Free memory was 210.8MB in the beginning and 205.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-06 22:32:07,800 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 167.8MB. Free memory is still 139.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.57ms. Allocated memory is still 167.8MB. Free memory was 123.2MB in the beginning and 109.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 79.23ms. Allocated memory is still 167.8MB. Free memory was 109.6MB in the beginning and 106.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 93.13ms. Allocated memory is still 167.8MB. Free memory was 106.4MB in the beginning and 103.4MB in the end (delta: 3.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1586.19ms. Allocated memory was 167.8MB in the beginning and 207.6MB in the end (delta: 39.8MB). Free memory was 103.4MB in the beginning and 125.5MB in the end (delta: -22.1MB). Peak memory consumption was 53.0MB. Max. memory is 16.1GB. * TraceAbstraction took 23793.41ms. Allocated memory was 207.6MB in the beginning and 299.9MB in the end (delta: 92.3MB). Free memory was 124.4MB in the beginning and 210.8MB in the end (delta: -86.4MB). Peak memory consumption was 133.1MB. Max. memory is 16.1GB. * Witness Printer took 122.31ms. Allocated memory is still 299.9MB. Free memory was 210.8MB in the beginning and 205.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 17.3s, 360 PlacesBefore, 119 PlacesAfterwards, 368 TransitionsBefore, 118 TransitionsAfterwards, 11388 CoEnabledTransitionPairs, 9 FixpointIterations, 257 TrivialSequentialCompositions, 119 ConcurrentSequentialCompositions, 25 TrivialYvCompositions, 8 ConcurrentYvCompositions, 9 ChoiceCompositions, 418 TotalNumberOfCompositions, 59631 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 17164, independent: 16108, independent conditional: 0, independent unconditional: 16108, dependent: 1056, dependent conditional: 0, dependent unconditional: 1056, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 5318, independent: 5210, independent conditional: 0, independent unconditional: 5210, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 17164, independent: 10898, independent conditional: 0, independent unconditional: 10898, dependent: 948, dependent conditional: 0, dependent unconditional: 948, unknown: 5318, unknown conditional: 0, unknown unconditional: 5318] , Statistics on independence cache: Total cache size (in pairs): 615, Positive cache size: 554, Positive conditional cache size: 0, Positive unconditional cache size: 554, Negative cache size: 61, Negative conditional cache size: 0, Negative unconditional cache size: 61, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 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: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 55]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: 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: 67]: 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: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 72]: 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: 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: 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: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 78]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 88]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 89]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 92]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 118]: 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: 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: 97]: 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: 103]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 104]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 106]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 496 locations, 119 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: 23.5s, OverallIterations: 8, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 17.7s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 739 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 409 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4 mSDsCounter, 281 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1423 IncrementalHoareTripleChecker+Invalid, 1704 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 281 mSolverCounterUnsat, 57 mSDtfsCounter, 1423 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=248occurred in iteration=0, InterpolantAutomatonStates: 33, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 427 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 PerfectInterpolantSequences, 8/8 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 - AllSpecificationsHoldResult: All specifications hold 69 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-06 22:32:07,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9936775c-e1f8-4d9a-bc82-fcec4537c7a4/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE