./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115151aa-5f35-4aa9-b987-0bb7c0f2cb4a/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115151aa-5f35-4aa9-b987-0bb7c0f2cb4a/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115151aa-5f35-4aa9-b987-0bb7c0f2cb4a/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115151aa-5f35-4aa9-b987-0bb7c0f2cb4a/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115151aa-5f35-4aa9-b987-0bb7c0f2cb4a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115151aa-5f35-4aa9-b987-0bb7c0f2cb4a/bin/uautomizer-verify-BQ2R08f2Ya --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 676d96662ae61a9d27f232e6ef1f1837cf504ffa210b7be2fd6286f04a0fe098 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 06:36:09,699 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 06:36:09,760 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115151aa-5f35-4aa9-b987-0bb7c0f2cb4a/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-29 06:36:09,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 06:36:09,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 06:36:09,786 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 06:36:09,787 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 06:36:09,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 06:36:09,788 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 06:36:09,789 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 06:36:09,790 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 06:36:09,790 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 06:36:09,791 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 06:36:09,791 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 06:36:09,792 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 06:36:09,792 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 06:36:09,793 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 06:36:09,793 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 06:36:09,794 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 06:36:09,794 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 06:36:09,795 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 06:36:09,797 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 06:36:09,797 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-29 06:36:09,798 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-29 06:36:09,798 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 06:36:09,798 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 06:36:09,799 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 06:36:09,799 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 06:36:09,799 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 06:36:09,800 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 06:36:09,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:36:09,801 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 06:36:09,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 06:36:09,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 06:36:09,801 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 06:36:09,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 06:36:09,802 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 06:36:09,802 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 06:36:09,802 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 06:36:09,802 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 06:36:09,802 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 06:36:09,803 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_115151aa-5f35-4aa9-b987-0bb7c0f2cb4a/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115151aa-5f35-4aa9-b987-0bb7c0f2cb4a/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 676d96662ae61a9d27f232e6ef1f1837cf504ffa210b7be2fd6286f04a0fe098 [2023-11-29 06:36:10,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 06:36:10,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 06:36:10,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 06:36:10,060 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 06:36:10,060 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 06:36:10,061 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115151aa-5f35-4aa9-b987-0bb7c0f2cb4a/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i [2023-11-29 06:36:12,807 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 06:36:13,054 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 06:36:13,054 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115151aa-5f35-4aa9-b987-0bb7c0f2cb4a/sv-benchmarks/c/goblint-regression/04-mutex_51-mutex_ptr.i [2023-11-29 06:36:13,072 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115151aa-5f35-4aa9-b987-0bb7c0f2cb4a/bin/uautomizer-verify-BQ2R08f2Ya/data/892e05b05/239a2936358f4adcad989306c14e9c9a/FLAG04bb9cc86 [2023-11-29 06:36:13,086 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115151aa-5f35-4aa9-b987-0bb7c0f2cb4a/bin/uautomizer-verify-BQ2R08f2Ya/data/892e05b05/239a2936358f4adcad989306c14e9c9a [2023-11-29 06:36:13,089 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 06:36:13,091 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 06:36:13,092 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 06:36:13,092 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 06:36:13,097 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 06:36:13,098 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:36:13" (1/1) ... [2023-11-29 06:36:13,099 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30048197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:13, skipping insertion in model container [2023-11-29 06:36:13,099 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 06:36:13" (1/1) ... [2023-11-29 06:36:13,152 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 06:36:13,567 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:36:13,580 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 06:36:13,624 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 06:36:13,687 INFO L206 MainTranslator]: Completed translation [2023-11-29 06:36:13,688 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:13 WrapperNode [2023-11-29 06:36:13,688 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 06:36:13,689 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 06:36:13,689 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 06:36:13,689 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 06:36:13,696 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:13" (1/1) ... [2023-11-29 06:36:13,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:13" (1/1) ... [2023-11-29 06:36:13,739 INFO L138 Inliner]: procedures = 263, calls = 24, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 78 [2023-11-29 06:36:13,739 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 06:36:13,740 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 06:36:13,740 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 06:36:13,740 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 06:36:13,748 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:13" (1/1) ... [2023-11-29 06:36:13,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:13" (1/1) ... [2023-11-29 06:36:13,754 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:13" (1/1) ... [2023-11-29 06:36:13,754 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:13" (1/1) ... [2023-11-29 06:36:13,762 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:13" (1/1) ... [2023-11-29 06:36:13,764 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:13" (1/1) ... [2023-11-29 06:36:13,765 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:13" (1/1) ... [2023-11-29 06:36:13,766 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:13" (1/1) ... [2023-11-29 06:36:13,769 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 06:36:13,770 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 06:36:13,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 06:36:13,770 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 06:36:13,771 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:13" (1/1) ... [2023-11-29 06:36:13,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 06:36:13,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115151aa-5f35-4aa9-b987-0bb7c0f2cb4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 06:36:13,822 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115151aa-5f35-4aa9-b987-0bb7c0f2cb4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 06:36:13,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115151aa-5f35-4aa9-b987-0bb7c0f2cb4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 06:36:13,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-29 06:36:13,865 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 06:36:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-11-29 06:36:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-29 06:36:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-29 06:36:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-29 06:36:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 06:36:13,866 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-29 06:36:13,866 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-29 06:36:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-29 06:36:13,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 06:36:13,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 06:36:13,868 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-29 06:36:14,000 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 06:36:14,003 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 06:36:14,226 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 06:36:14,247 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 06:36:14,247 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-29 06:36:14,249 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:36:14 BoogieIcfgContainer [2023-11-29 06:36:14,249 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 06:36:14,251 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 06:36:14,252 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 06:36:14,255 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 06:36:14,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 06:36:13" (1/3) ... [2023-11-29 06:36:14,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1ff2c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:36:14, skipping insertion in model container [2023-11-29 06:36:14,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 06:36:13" (2/3) ... [2023-11-29 06:36:14,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1ff2c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 06:36:14, skipping insertion in model container [2023-11-29 06:36:14,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:36:14" (3/3) ... [2023-11-29 06:36:14,258 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_51-mutex_ptr.i [2023-11-29 06:36:14,266 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-29 06:36:14,277 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 06:36:14,277 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2023-11-29 06:36:14,277 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-29 06:36:14,342 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-29 06:36:14,377 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 126 places, 122 transitions, 251 flow [2023-11-29 06:36:14,428 INFO L124 PetriNetUnfolderBase]: 0/121 cut-off events. [2023-11-29 06:36:14,429 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 06:36:14,431 INFO L83 FinitePrefix]: Finished finitePrefix Result has 126 conditions, 121 events. 0/121 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 98 event pairs, 0 based on Foata normal form. 0/109 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2023-11-29 06:36:14,432 INFO L82 GeneralOperation]: Start removeDead. Operand has 126 places, 122 transitions, 251 flow [2023-11-29 06:36:14,436 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 117 places, 113 transitions, 229 flow [2023-11-29 06:36:14,444 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 06:36:14,449 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@837ffd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 06:36:14,450 INFO L358 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2023-11-29 06:36:14,457 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-29 06:36:14,457 INFO L124 PetriNetUnfolderBase]: 0/30 cut-off events. [2023-11-29 06:36:14,458 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 06:36:14,458 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:36:14,459 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:14,459 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-29 06:36:14,464 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:14,465 INFO L85 PathProgramCache]: Analyzing trace with hash 2114274210, now seen corresponding path program 1 times [2023-11-29 06:36:14,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:14,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335959286] [2023-11-29 06:36:14,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:14,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:14,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:14,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:36:14,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:14,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335959286] [2023-11-29 06:36:14,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335959286] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:36:14,669 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:36:14,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:36:14,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117863165] [2023-11-29 06:36:14,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:36:14,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:36:14,685 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:14,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:36:14,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:36:14,748 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 103 out of 122 [2023-11-29 06:36:14,751 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 113 transitions, 229 flow. Second operand has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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) [2023-11-29 06:36:14,752 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:36:14,752 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 103 of 122 [2023-11-29 06:36:14,753 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:36:14,858 INFO L124 PetriNetUnfolderBase]: 25/327 cut-off events. [2023-11-29 06:36:14,858 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 06:36:14,861 INFO L83 FinitePrefix]: Finished finitePrefix Result has 398 conditions, 327 events. 25/327 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 1223 event pairs, 25 based on Foata normal form. 0/283 useless extension candidates. Maximal degree in co-relation 351. Up to 65 conditions per place. [2023-11-29 06:36:14,864 INFO L140 encePairwiseOnDemand]: 119/122 looper letters, 14 selfloop transitions, 2 changer transitions 0/112 dead transitions. [2023-11-29 06:36:14,865 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 118 places, 112 transitions, 259 flow [2023-11-29 06:36:14,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:36:14,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:36:14,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 326 transitions. [2023-11-29 06:36:14,879 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8907103825136612 [2023-11-29 06:36:14,880 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 326 transitions. [2023-11-29 06:36:14,880 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 326 transitions. [2023-11-29 06:36:14,882 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:36:14,884 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 326 transitions. [2023-11-29 06:36:14,887 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 108.66666666666667) internal successors, (326), 3 states have internal predecessors, (326), 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) [2023-11-29 06:36:14,893 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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) [2023-11-29 06:36:14,894 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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) [2023-11-29 06:36:14,896 INFO L175 Difference]: Start difference. First operand has 117 places, 113 transitions, 229 flow. Second operand 3 states and 326 transitions. [2023-11-29 06:36:14,897 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 118 places, 112 transitions, 259 flow [2023-11-29 06:36:14,900 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 112 transitions, 258 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 06:36:14,903 INFO L231 Difference]: Finished difference. Result has 117 places, 112 transitions, 230 flow [2023-11-29 06:36:14,905 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=226, PETRI_DIFFERENCE_MINUEND_PLACES=115, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=112, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=110, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=230, PETRI_PLACES=117, PETRI_TRANSITIONS=112} [2023-11-29 06:36:14,908 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 0 predicate places. [2023-11-29 06:36:14,908 INFO L495 AbstractCegarLoop]: Abstraction has has 117 places, 112 transitions, 230 flow [2023-11-29 06:36:14,909 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 104.33333333333333) internal successors, (313), 3 states have internal predecessors, (313), 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) [2023-11-29 06:36:14,909 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:36:14,909 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:14,909 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 06:36:14,910 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-29 06:36:14,910 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:14,910 INFO L85 PathProgramCache]: Analyzing trace with hash -412247015, now seen corresponding path program 1 times [2023-11-29 06:36:14,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:14,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330998827] [2023-11-29 06:36:14,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:14,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:14,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:14,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:36:14,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:14,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330998827] [2023-11-29 06:36:14,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330998827] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:36:14,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:36:14,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 06:36:14,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [457803666] [2023-11-29 06:36:14,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:36:15,000 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:36:15,001 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:15,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:36:15,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:36:15,036 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 97 out of 122 [2023-11-29 06:36:15,037 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 117 places, 112 transitions, 230 flow. Second operand has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 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) [2023-11-29 06:36:15,037 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:36:15,038 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 97 of 122 [2023-11-29 06:36:15,038 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:36:15,115 INFO L124 PetriNetUnfolderBase]: 64/498 cut-off events. [2023-11-29 06:36:15,115 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-29 06:36:15,117 INFO L83 FinitePrefix]: Finished finitePrefix Result has 651 conditions, 498 events. 64/498 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 19. Compared 2450 event pairs, 56 based on Foata normal form. 0/462 useless extension candidates. Maximal degree in co-relation 613. Up to 144 conditions per place. [2023-11-29 06:36:15,120 INFO L140 encePairwiseOnDemand]: 114/122 looper letters, 18 selfloop transitions, 2 changer transitions 0/108 dead transitions. [2023-11-29 06:36:15,120 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 113 places, 108 transitions, 262 flow [2023-11-29 06:36:15,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:36:15,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:36:15,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 317 transitions. [2023-11-29 06:36:15,123 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8661202185792349 [2023-11-29 06:36:15,123 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 317 transitions. [2023-11-29 06:36:15,124 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 317 transitions. [2023-11-29 06:36:15,124 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:36:15,124 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 317 transitions. [2023-11-29 06:36:15,126 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 105.66666666666667) internal successors, (317), 3 states have internal predecessors, (317), 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) [2023-11-29 06:36:15,128 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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) [2023-11-29 06:36:15,129 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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) [2023-11-29 06:36:15,129 INFO L175 Difference]: Start difference. First operand has 117 places, 112 transitions, 230 flow. Second operand 3 states and 317 transitions. [2023-11-29 06:36:15,129 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 113 places, 108 transitions, 262 flow [2023-11-29 06:36:15,131 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 111 places, 108 transitions, 258 flow, removed 0 selfloop flow, removed 2 redundant places. [2023-11-29 06:36:15,133 INFO L231 Difference]: Finished difference. Result has 112 places, 108 transitions, 228 flow [2023-11-29 06:36:15,133 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=214, PETRI_DIFFERENCE_MINUEND_PLACES=109, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=106, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=228, PETRI_PLACES=112, PETRI_TRANSITIONS=108} [2023-11-29 06:36:15,134 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, -5 predicate places. [2023-11-29 06:36:15,134 INFO L495 AbstractCegarLoop]: Abstraction has has 112 places, 108 transitions, 228 flow [2023-11-29 06:36:15,134 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 98.33333333333333) internal successors, (295), 3 states have internal predecessors, (295), 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) [2023-11-29 06:36:15,134 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:36:15,134 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:15,135 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 06:36:15,135 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-29 06:36:15,136 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:15,136 INFO L85 PathProgramCache]: Analyzing trace with hash 1643530143, now seen corresponding path program 1 times [2023-11-29 06:36:15,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:15,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [26056680] [2023-11-29 06:36:15,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:15,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:15,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:15,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:36:15,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:15,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [26056680] [2023-11-29 06:36:15,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [26056680] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:36:15,634 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:36:15,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:36:15,635 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612662260] [2023-11-29 06:36:15,635 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:36:15,635 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:36:15,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:15,636 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:36:15,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:36:15,872 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 122 [2023-11-29 06:36:15,874 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 108 transitions, 228 flow. Second operand has 6 states, 6 states have (on average 101.33333333333333) internal successors, (608), 6 states have internal predecessors, (608), 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) [2023-11-29 06:36:15,874 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:36:15,874 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 122 [2023-11-29 06:36:15,874 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:36:16,031 INFO L124 PetriNetUnfolderBase]: 97/516 cut-off events. [2023-11-29 06:36:16,031 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-29 06:36:16,033 INFO L83 FinitePrefix]: Finished finitePrefix Result has 751 conditions, 516 events. 97/516 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2651 event pairs, 43 based on Foata normal form. 0/485 useless extension candidates. Maximal degree in co-relation 708. Up to 175 conditions per place. [2023-11-29 06:36:16,036 INFO L140 encePairwiseOnDemand]: 111/122 looper letters, 28 selfloop transitions, 22 changer transitions 0/137 dead transitions. [2023-11-29 06:36:16,037 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 117 places, 137 transitions, 386 flow [2023-11-29 06:36:16,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:36:16,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:36:16,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 651 transitions. [2023-11-29 06:36:16,040 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.889344262295082 [2023-11-29 06:36:16,040 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 651 transitions. [2023-11-29 06:36:16,040 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 651 transitions. [2023-11-29 06:36:16,041 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:36:16,041 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 651 transitions. [2023-11-29 06:36:16,044 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 108.5) internal successors, (651), 6 states have internal predecessors, (651), 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) [2023-11-29 06:36:16,047 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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) [2023-11-29 06:36:16,048 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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) [2023-11-29 06:36:16,048 INFO L175 Difference]: Start difference. First operand has 112 places, 108 transitions, 228 flow. Second operand 6 states and 651 transitions. [2023-11-29 06:36:16,048 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 117 places, 137 transitions, 386 flow [2023-11-29 06:36:16,050 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 117 places, 137 transitions, 386 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 06:36:16,053 INFO L231 Difference]: Finished difference. Result has 122 places, 129 transitions, 378 flow [2023-11-29 06:36:16,053 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=228, PETRI_DIFFERENCE_MINUEND_PLACES=112, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=108, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=98, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=378, PETRI_PLACES=122, PETRI_TRANSITIONS=129} [2023-11-29 06:36:16,054 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 5 predicate places. [2023-11-29 06:36:16,054 INFO L495 AbstractCegarLoop]: Abstraction has has 122 places, 129 transitions, 378 flow [2023-11-29 06:36:16,055 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 101.33333333333333) internal successors, (608), 6 states have internal predecessors, (608), 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) [2023-11-29 06:36:16,055 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:36:16,055 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:16,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 06:36:16,056 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-29 06:36:16,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:16,056 INFO L85 PathProgramCache]: Analyzing trace with hash -48987195, now seen corresponding path program 1 times [2023-11-29 06:36:16,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:16,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47586331] [2023-11-29 06:36:16,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:16,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:16,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:36:16,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:16,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47586331] [2023-11-29 06:36:16,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47586331] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:36:16,437 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:36:16,437 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:36:16,437 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965942370] [2023-11-29 06:36:16,437 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:36:16,438 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:36:16,438 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:16,439 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:36:16,439 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:36:16,624 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 100 out of 122 [2023-11-29 06:36:16,626 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 129 transitions, 378 flow. Second operand has 6 states, 6 states have (on average 101.33333333333333) internal successors, (608), 6 states have internal predecessors, (608), 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) [2023-11-29 06:36:16,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:36:16,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 100 of 122 [2023-11-29 06:36:16,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:36:16,834 INFO L124 PetriNetUnfolderBase]: 140/697 cut-off events. [2023-11-29 06:36:16,834 INFO L125 PetriNetUnfolderBase]: For 130/149 co-relation queries the response was YES. [2023-11-29 06:36:16,837 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1203 conditions, 697 events. 140/697 cut-off events. For 130/149 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 4036 event pairs, 49 based on Foata normal form. 5/662 useless extension candidates. Maximal degree in co-relation 1156. Up to 239 conditions per place. [2023-11-29 06:36:16,840 INFO L140 encePairwiseOnDemand]: 111/122 looper letters, 41 selfloop transitions, 26 changer transitions 0/158 dead transitions. [2023-11-29 06:36:16,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 127 places, 158 transitions, 588 flow [2023-11-29 06:36:16,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:36:16,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:36:16,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 651 transitions. [2023-11-29 06:36:16,844 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.889344262295082 [2023-11-29 06:36:16,845 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 651 transitions. [2023-11-29 06:36:16,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 651 transitions. [2023-11-29 06:36:16,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:36:16,845 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 651 transitions. [2023-11-29 06:36:16,848 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 108.5) internal successors, (651), 6 states have internal predecessors, (651), 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) [2023-11-29 06:36:16,850 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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) [2023-11-29 06:36:16,851 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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) [2023-11-29 06:36:16,851 INFO L175 Difference]: Start difference. First operand has 122 places, 129 transitions, 378 flow. Second operand 6 states and 651 transitions. [2023-11-29 06:36:16,851 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 127 places, 158 transitions, 588 flow [2023-11-29 06:36:16,855 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 127 places, 158 transitions, 588 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 06:36:16,858 INFO L231 Difference]: Finished difference. Result has 132 places, 150 transitions, 562 flow [2023-11-29 06:36:16,859 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=378, PETRI_DIFFERENCE_MINUEND_PLACES=122, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=115, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=562, PETRI_PLACES=132, PETRI_TRANSITIONS=150} [2023-11-29 06:36:16,860 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 15 predicate places. [2023-11-29 06:36:16,860 INFO L495 AbstractCegarLoop]: Abstraction has has 132 places, 150 transitions, 562 flow [2023-11-29 06:36:16,861 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 101.33333333333333) internal successors, (608), 6 states have internal predecessors, (608), 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) [2023-11-29 06:36:16,861 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:36:16,861 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:16,861 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 06:36:16,861 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-29 06:36:16,862 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:16,862 INFO L85 PathProgramCache]: Analyzing trace with hash 1982696841, now seen corresponding path program 1 times [2023-11-29 06:36:16,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:16,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518909899] [2023-11-29 06:36:16,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:16,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:17,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:36:17,255 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:17,255 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518909899] [2023-11-29 06:36:17,255 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518909899] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:36:17,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:36:17,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:36:17,256 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [675056677] [2023-11-29 06:36:17,256 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:36:17,256 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:36:17,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:17,257 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:36:17,257 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:36:17,378 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 88 out of 122 [2023-11-29 06:36:17,379 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 132 places, 150 transitions, 562 flow. Second operand has 6 states, 6 states have (on average 90.5) internal successors, (543), 6 states have internal predecessors, (543), 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) [2023-11-29 06:36:17,379 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:36:17,379 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 88 of 122 [2023-11-29 06:36:17,379 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:36:17,659 INFO L124 PetriNetUnfolderBase]: 318/1062 cut-off events. [2023-11-29 06:36:17,660 INFO L125 PetriNetUnfolderBase]: For 643/668 co-relation queries the response was YES. [2023-11-29 06:36:17,664 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2545 conditions, 1062 events. 318/1062 cut-off events. For 643/668 co-relation queries the response was YES. Maximal size of possible extension queue 53. Compared 6536 event pairs, 111 based on Foata normal form. 6/1001 useless extension candidates. Maximal degree in co-relation 2491. Up to 591 conditions per place. [2023-11-29 06:36:17,670 INFO L140 encePairwiseOnDemand]: 107/122 looper letters, 75 selfloop transitions, 53 changer transitions 0/205 dead transitions. [2023-11-29 06:36:17,670 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 137 places, 205 transitions, 1062 flow [2023-11-29 06:36:17,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:36:17,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:36:17,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 606 transitions. [2023-11-29 06:36:17,673 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8278688524590164 [2023-11-29 06:36:17,673 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 606 transitions. [2023-11-29 06:36:17,673 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 606 transitions. [2023-11-29 06:36:17,674 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:36:17,674 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 606 transitions. [2023-11-29 06:36:17,676 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 101.0) internal successors, (606), 6 states have internal predecessors, (606), 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) [2023-11-29 06:36:17,678 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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) [2023-11-29 06:36:17,678 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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) [2023-11-29 06:36:17,678 INFO L175 Difference]: Start difference. First operand has 132 places, 150 transitions, 562 flow. Second operand 6 states and 606 transitions. [2023-11-29 06:36:17,678 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 137 places, 205 transitions, 1062 flow [2023-11-29 06:36:17,685 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 205 transitions, 1062 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-29 06:36:17,689 INFO L231 Difference]: Finished difference. Result has 142 places, 197 transitions, 1044 flow [2023-11-29 06:36:17,689 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=562, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=150, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=15, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=124, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1044, PETRI_PLACES=142, PETRI_TRANSITIONS=197} [2023-11-29 06:36:17,690 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 25 predicate places. [2023-11-29 06:36:17,690 INFO L495 AbstractCegarLoop]: Abstraction has has 142 places, 197 transitions, 1044 flow [2023-11-29 06:36:17,691 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 90.5) internal successors, (543), 6 states have internal predecessors, (543), 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) [2023-11-29 06:36:17,691 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:36:17,691 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:17,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-29 06:36:17,691 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-29 06:36:17,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:17,692 INFO L85 PathProgramCache]: Analyzing trace with hash 188652116, now seen corresponding path program 1 times [2023-11-29 06:36:17,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:17,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942710095] [2023-11-29 06:36:17,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:17,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:17,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:18,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:36:18,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:18,011 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942710095] [2023-11-29 06:36:18,011 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942710095] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:36:18,011 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:36:18,011 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:36:18,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518606245] [2023-11-29 06:36:18,012 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:36:18,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:36:18,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:18,013 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:36:18,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:36:18,117 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 90 out of 122 [2023-11-29 06:36:18,118 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 142 places, 197 transitions, 1044 flow. Second operand has 6 states, 6 states have (on average 92.33333333333333) internal successors, (554), 6 states have internal predecessors, (554), 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) [2023-11-29 06:36:18,118 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:36:18,118 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 90 of 122 [2023-11-29 06:36:18,118 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:36:18,546 INFO L124 PetriNetUnfolderBase]: 478/1446 cut-off events. [2023-11-29 06:36:18,546 INFO L125 PetriNetUnfolderBase]: For 1668/1702 co-relation queries the response was YES. [2023-11-29 06:36:18,549 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4123 conditions, 1446 events. 478/1446 cut-off events. For 1668/1702 co-relation queries the response was YES. Maximal size of possible extension queue 66. Compared 9143 event pairs, 132 based on Foata normal form. 3/1389 useless extension candidates. Maximal degree in co-relation 4066. Up to 813 conditions per place. [2023-11-29 06:36:18,556 INFO L140 encePairwiseOnDemand]: 103/122 looper letters, 111 selfloop transitions, 83 changer transitions 0/274 dead transitions. [2023-11-29 06:36:18,556 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 274 transitions, 1810 flow [2023-11-29 06:36:18,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:36:18,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:36:18,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 633 transitions. [2023-11-29 06:36:18,559 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8647540983606558 [2023-11-29 06:36:18,559 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 633 transitions. [2023-11-29 06:36:18,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 633 transitions. [2023-11-29 06:36:18,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:36:18,560 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 633 transitions. [2023-11-29 06:36:18,561 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 105.5) internal successors, (633), 6 states have internal predecessors, (633), 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) [2023-11-29 06:36:18,563 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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) [2023-11-29 06:36:18,563 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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) [2023-11-29 06:36:18,564 INFO L175 Difference]: Start difference. First operand has 142 places, 197 transitions, 1044 flow. Second operand 6 states and 633 transitions. [2023-11-29 06:36:18,564 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 274 transitions, 1810 flow [2023-11-29 06:36:18,573 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 147 places, 274 transitions, 1746 flow, removed 32 selfloop flow, removed 0 redundant places. [2023-11-29 06:36:18,578 INFO L231 Difference]: Finished difference. Result has 152 places, 266 transitions, 1736 flow [2023-11-29 06:36:18,578 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=986, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=197, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=153, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=1736, PETRI_PLACES=152, PETRI_TRANSITIONS=266} [2023-11-29 06:36:18,579 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 35 predicate places. [2023-11-29 06:36:18,579 INFO L495 AbstractCegarLoop]: Abstraction has has 152 places, 266 transitions, 1736 flow [2023-11-29 06:36:18,580 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 92.33333333333333) internal successors, (554), 6 states have internal predecessors, (554), 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) [2023-11-29 06:36:18,580 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:36:18,580 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:18,580 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-29 06:36:18,580 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-29 06:36:18,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:18,581 INFO L85 PathProgramCache]: Analyzing trace with hash 676450760, now seen corresponding path program 1 times [2023-11-29 06:36:18,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:18,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134112697] [2023-11-29 06:36:18,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:18,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:18,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:18,659 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:36:18,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:18,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134112697] [2023-11-29 06:36:18,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134112697] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:36:18,660 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:36:18,660 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 06:36:18,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14002751] [2023-11-29 06:36:18,661 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:36:18,661 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 06:36:18,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:18,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 06:36:18,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 06:36:18,670 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 122 [2023-11-29 06:36:18,670 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 152 places, 266 transitions, 1736 flow. Second operand has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 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) [2023-11-29 06:36:18,670 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:36:18,670 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 122 [2023-11-29 06:36:18,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:36:18,726 INFO L124 PetriNetUnfolderBase]: 41/282 cut-off events. [2023-11-29 06:36:18,726 INFO L125 PetriNetUnfolderBase]: For 218/218 co-relation queries the response was YES. [2023-11-29 06:36:18,727 INFO L83 FinitePrefix]: Finished finitePrefix Result has 699 conditions, 282 events. 41/282 cut-off events. For 218/218 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 782 event pairs, 5 based on Foata normal form. 2/272 useless extension candidates. Maximal degree in co-relation 635. Up to 59 conditions per place. [2023-11-29 06:36:18,729 INFO L140 encePairwiseOnDemand]: 118/122 looper letters, 3 selfloop transitions, 4 changer transitions 0/126 dead transitions. [2023-11-29 06:36:18,729 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 126 transitions, 512 flow [2023-11-29 06:36:18,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 06:36:18,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-29 06:36:18,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 351 transitions. [2023-11-29 06:36:18,731 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.9590163934426229 [2023-11-29 06:36:18,731 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 351 transitions. [2023-11-29 06:36:18,731 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 351 transitions. [2023-11-29 06:36:18,731 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:36:18,732 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 351 transitions. [2023-11-29 06:36:18,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 117.0) internal successors, (351), 3 states have internal predecessors, (351), 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) [2023-11-29 06:36:18,734 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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) [2023-11-29 06:36:18,734 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 122.0) internal successors, (488), 4 states have internal predecessors, (488), 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) [2023-11-29 06:36:18,734 INFO L175 Difference]: Start difference. First operand has 152 places, 266 transitions, 1736 flow. Second operand 3 states and 351 transitions. [2023-11-29 06:36:18,735 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 126 transitions, 512 flow [2023-11-29 06:36:18,738 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 121 places, 126 transitions, 386 flow, removed 33 selfloop flow, removed 30 redundant places. [2023-11-29 06:36:18,740 INFO L231 Difference]: Finished difference. Result has 121 places, 126 transitions, 380 flow [2023-11-29 06:36:18,741 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=372, PETRI_DIFFERENCE_MINUEND_PLACES=119, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=122, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=380, PETRI_PLACES=121, PETRI_TRANSITIONS=126} [2023-11-29 06:36:18,742 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 4 predicate places. [2023-11-29 06:36:18,742 INFO L495 AbstractCegarLoop]: Abstraction has has 121 places, 126 transitions, 380 flow [2023-11-29 06:36:18,742 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.66666666666667) internal successors, (347), 3 states have internal predecessors, (347), 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) [2023-11-29 06:36:18,742 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:36:18,742 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:18,742 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-29 06:36:18,743 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-29 06:36:18,743 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:18,743 INFO L85 PathProgramCache]: Analyzing trace with hash -608640107, now seen corresponding path program 1 times [2023-11-29 06:36:18,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:18,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980109830] [2023-11-29 06:36:18,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:18,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:19,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:36:19,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:19,117 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980109830] [2023-11-29 06:36:19,117 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980109830] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:36:19,117 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:36:19,117 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 06:36:19,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416691903] [2023-11-29 06:36:19,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:36:19,118 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-29 06:36:19,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:19,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-29 06:36:19,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-11-29 06:36:19,293 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 98 out of 122 [2023-11-29 06:36:19,294 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 121 places, 126 transitions, 380 flow. Second operand has 6 states, 6 states have (on average 100.33333333333333) internal successors, (602), 6 states have internal predecessors, (602), 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) [2023-11-29 06:36:19,294 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:36:19,294 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 98 of 122 [2023-11-29 06:36:19,294 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:36:19,450 INFO L124 PetriNetUnfolderBase]: 85/409 cut-off events. [2023-11-29 06:36:19,450 INFO L125 PetriNetUnfolderBase]: For 141/168 co-relation queries the response was YES. [2023-11-29 06:36:19,451 INFO L83 FinitePrefix]: Finished finitePrefix Result has 923 conditions, 409 events. 85/409 cut-off events. For 141/168 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1593 event pairs, 5 based on Foata normal form. 0/397 useless extension candidates. Maximal degree in co-relation 873. Up to 141 conditions per place. [2023-11-29 06:36:19,452 INFO L140 encePairwiseOnDemand]: 112/122 looper letters, 39 selfloop transitions, 25 changer transitions 10/160 dead transitions. [2023-11-29 06:36:19,452 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 126 places, 160 transitions, 682 flow [2023-11-29 06:36:19,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-29 06:36:19,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2023-11-29 06:36:19,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 638 transitions. [2023-11-29 06:36:19,455 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8715846994535519 [2023-11-29 06:36:19,455 INFO L72 ComplementDD]: Start complementDD. Operand 6 states and 638 transitions. [2023-11-29 06:36:19,455 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 638 transitions. [2023-11-29 06:36:19,456 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:36:19,456 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 6 states and 638 transitions. [2023-11-29 06:36:19,458 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 7 states, 6 states have (on average 106.33333333333333) internal successors, (638), 6 states have internal predecessors, (638), 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) [2023-11-29 06:36:19,460 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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) [2023-11-29 06:36:19,461 INFO L81 ComplementDD]: Finished complementDD. Result has 7 states, 7 states have (on average 122.0) internal successors, (854), 7 states have internal predecessors, (854), 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) [2023-11-29 06:36:19,461 INFO L175 Difference]: Start difference. First operand has 121 places, 126 transitions, 380 flow. Second operand 6 states and 638 transitions. [2023-11-29 06:36:19,461 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 126 places, 160 transitions, 682 flow [2023-11-29 06:36:19,463 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 125 places, 160 transitions, 670 flow, removed 0 selfloop flow, removed 1 redundant places. [2023-11-29 06:36:19,466 INFO L231 Difference]: Finished difference. Result has 130 places, 146 transitions, 592 flow [2023-11-29 06:36:19,466 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=376, PETRI_DIFFERENCE_MINUEND_PLACES=120, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=126, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=592, PETRI_PLACES=130, PETRI_TRANSITIONS=146} [2023-11-29 06:36:19,467 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 13 predicate places. [2023-11-29 06:36:19,467 INFO L495 AbstractCegarLoop]: Abstraction has has 130 places, 146 transitions, 592 flow [2023-11-29 06:36:19,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 100.33333333333333) internal successors, (602), 6 states have internal predecessors, (602), 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) [2023-11-29 06:36:19,468 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:36:19,468 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:19,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-29 06:36:19,468 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-29 06:36:19,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:19,468 INFO L85 PathProgramCache]: Analyzing trace with hash 1171563644, now seen corresponding path program 1 times [2023-11-29 06:36:19,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:19,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [119266386] [2023-11-29 06:36:19,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:19,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:19,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:20,155 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:36:20,156 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:20,156 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [119266386] [2023-11-29 06:36:20,156 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [119266386] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:36:20,156 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:36:20,156 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:36:20,156 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1964104568] [2023-11-29 06:36:20,156 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:36:20,157 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:36:20,157 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:20,157 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:36:20,158 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:36:20,570 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 84 out of 122 [2023-11-29 06:36:20,571 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 130 places, 146 transitions, 592 flow. Second operand has 11 states, 11 states have (on average 86.63636363636364) internal successors, (953), 11 states have internal predecessors, (953), 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) [2023-11-29 06:36:20,572 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:36:20,572 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 84 of 122 [2023-11-29 06:36:20,572 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:36:20,953 INFO L124 PetriNetUnfolderBase]: 113/550 cut-off events. [2023-11-29 06:36:20,953 INFO L125 PetriNetUnfolderBase]: For 462/462 co-relation queries the response was YES. [2023-11-29 06:36:20,954 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1453 conditions, 550 events. 113/550 cut-off events. For 462/462 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 2344 event pairs, 7 based on Foata normal form. 9/558 useless extension candidates. Maximal degree in co-relation 1396. Up to 161 conditions per place. [2023-11-29 06:36:20,957 INFO L140 encePairwiseOnDemand]: 112/122 looper letters, 78 selfloop transitions, 29 changer transitions 5/182 dead transitions. [2023-11-29 06:36:20,957 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 182 transitions, 1026 flow [2023-11-29 06:36:20,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 06:36:20,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-29 06:36:20,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 905 transitions. [2023-11-29 06:36:20,961 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.7418032786885246 [2023-11-29 06:36:20,961 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 905 transitions. [2023-11-29 06:36:20,961 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 905 transitions. [2023-11-29 06:36:20,962 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:36:20,962 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 905 transitions. [2023-11-29 06:36:20,964 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 90.5) internal successors, (905), 10 states have internal predecessors, (905), 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) [2023-11-29 06:36:20,968 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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) [2023-11-29 06:36:20,968 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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) [2023-11-29 06:36:20,968 INFO L175 Difference]: Start difference. First operand has 130 places, 146 transitions, 592 flow. Second operand 10 states and 905 transitions. [2023-11-29 06:36:20,968 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 182 transitions, 1026 flow [2023-11-29 06:36:20,974 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 182 transitions, 1008 flow, removed 9 selfloop flow, removed 0 redundant places. [2023-11-29 06:36:20,977 INFO L231 Difference]: Finished difference. Result has 138 places, 143 transitions, 614 flow [2023-11-29 06:36:20,977 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=570, PETRI_DIFFERENCE_MINUEND_PLACES=129, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=145, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=29, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=614, PETRI_PLACES=138, PETRI_TRANSITIONS=143} [2023-11-29 06:36:20,978 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 21 predicate places. [2023-11-29 06:36:20,978 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 143 transitions, 614 flow [2023-11-29 06:36:20,979 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 86.63636363636364) internal successors, (953), 11 states have internal predecessors, (953), 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) [2023-11-29 06:36:20,979 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:36:20,979 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:20,979 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-29 06:36:20,979 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-29 06:36:20,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:20,980 INFO L85 PathProgramCache]: Analyzing trace with hash 458872077, now seen corresponding path program 1 times [2023-11-29 06:36:20,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:20,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [305310077] [2023-11-29 06:36:20,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:20,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:21,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:36:21,761 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:21,761 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [305310077] [2023-11-29 06:36:21,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [305310077] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:36:21,762 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:36:21,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:36:21,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982880162] [2023-11-29 06:36:21,762 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:36:21,763 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:36:21,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:21,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:36:21,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:36:22,321 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 122 [2023-11-29 06:36:22,322 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 143 transitions, 614 flow. Second operand has 11 states, 11 states have (on average 96.72727272727273) internal successors, (1064), 11 states have internal predecessors, (1064), 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) [2023-11-29 06:36:22,322 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:36:22,322 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 122 [2023-11-29 06:36:22,322 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:36:22,670 INFO L124 PetriNetUnfolderBase]: 76/433 cut-off events. [2023-11-29 06:36:22,670 INFO L125 PetriNetUnfolderBase]: For 495/615 co-relation queries the response was YES. [2023-11-29 06:36:22,671 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1215 conditions, 433 events. 76/433 cut-off events. For 495/615 co-relation queries the response was YES. Maximal size of possible extension queue 21. Compared 1697 event pairs, 12 based on Foata normal form. 25/454 useless extension candidates. Maximal degree in co-relation 1154. Up to 145 conditions per place. [2023-11-29 06:36:22,673 INFO L140 encePairwiseOnDemand]: 108/122 looper letters, 41 selfloop transitions, 27 changer transitions 12/162 dead transitions. [2023-11-29 06:36:22,673 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 162 transitions, 868 flow [2023-11-29 06:36:22,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 06:36:22,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-29 06:36:22,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1013 transitions. [2023-11-29 06:36:22,677 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.830327868852459 [2023-11-29 06:36:22,677 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1013 transitions. [2023-11-29 06:36:22,677 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1013 transitions. [2023-11-29 06:36:22,678 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:36:22,678 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1013 transitions. [2023-11-29 06:36:22,681 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 101.3) internal successors, (1013), 10 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) [2023-11-29 06:36:22,685 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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) [2023-11-29 06:36:22,685 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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) [2023-11-29 06:36:22,685 INFO L175 Difference]: Start difference. First operand has 138 places, 143 transitions, 614 flow. Second operand 10 states and 1013 transitions. [2023-11-29 06:36:22,686 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 162 transitions, 868 flow [2023-11-29 06:36:22,690 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 162 transitions, 759 flow, removed 6 selfloop flow, removed 10 redundant places. [2023-11-29 06:36:22,693 INFO L231 Difference]: Finished difference. Result has 139 places, 143 transitions, 587 flow [2023-11-29 06:36:22,694 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=523, PETRI_DIFFERENCE_MINUEND_PLACES=128, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=27, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=116, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=587, PETRI_PLACES=139, PETRI_TRANSITIONS=143} [2023-11-29 06:36:22,694 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 22 predicate places. [2023-11-29 06:36:22,695 INFO L495 AbstractCegarLoop]: Abstraction has has 139 places, 143 transitions, 587 flow [2023-11-29 06:36:22,695 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 96.72727272727273) internal successors, (1064), 11 states have internal predecessors, (1064), 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) [2023-11-29 06:36:22,695 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:36:22,695 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:22,696 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-29 06:36:22,696 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-29 06:36:22,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:22,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1730639999, now seen corresponding path program 2 times [2023-11-29 06:36:22,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:22,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1866695843] [2023-11-29 06:36:22,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:22,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:23,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:36:23,404 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:23,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1866695843] [2023-11-29 06:36:23,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1866695843] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:36:23,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:36:23,405 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:36:23,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271846997] [2023-11-29 06:36:23,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:36:23,405 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:36:23,406 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:23,406 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:36:23,406 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:36:23,920 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 122 [2023-11-29 06:36:23,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 139 places, 143 transitions, 587 flow. Second operand has 11 states, 11 states have (on average 96.72727272727273) internal successors, (1064), 11 states have internal predecessors, (1064), 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) [2023-11-29 06:36:23,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:36:23,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 122 [2023-11-29 06:36:23,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:36:24,244 INFO L124 PetriNetUnfolderBase]: 118/556 cut-off events. [2023-11-29 06:36:24,244 INFO L125 PetriNetUnfolderBase]: For 525/572 co-relation queries the response was YES. [2023-11-29 06:36:24,245 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1530 conditions, 556 events. 118/556 cut-off events. For 525/572 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2424 event pairs, 7 based on Foata normal form. 30/583 useless extension candidates. Maximal degree in co-relation 1467. Up to 127 conditions per place. [2023-11-29 06:36:24,247 INFO L140 encePairwiseOnDemand]: 112/122 looper letters, 42 selfloop transitions, 5 changer transitions 80/207 dead transitions. [2023-11-29 06:36:24,247 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 207 transitions, 1239 flow [2023-11-29 06:36:24,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 06:36:24,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-29 06:36:24,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1013 transitions. [2023-11-29 06:36:24,251 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.830327868852459 [2023-11-29 06:36:24,252 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1013 transitions. [2023-11-29 06:36:24,252 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1013 transitions. [2023-11-29 06:36:24,252 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:36:24,252 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1013 transitions. [2023-11-29 06:36:24,254 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 101.3) internal successors, (1013), 10 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) [2023-11-29 06:36:24,257 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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) [2023-11-29 06:36:24,257 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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) [2023-11-29 06:36:24,257 INFO L175 Difference]: Start difference. First operand has 139 places, 143 transitions, 587 flow. Second operand 10 states and 1013 transitions. [2023-11-29 06:36:24,257 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 207 transitions, 1239 flow [2023-11-29 06:36:24,261 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 139 places, 207 transitions, 1187 flow, removed 1 selfloop flow, removed 8 redundant places. [2023-11-29 06:36:24,264 INFO L231 Difference]: Finished difference. Result has 144 places, 125 transitions, 478 flow [2023-11-29 06:36:24,264 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=553, PETRI_DIFFERENCE_MINUEND_PLACES=130, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=143, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=138, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=478, PETRI_PLACES=144, PETRI_TRANSITIONS=125} [2023-11-29 06:36:24,264 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 27 predicate places. [2023-11-29 06:36:24,264 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 125 transitions, 478 flow [2023-11-29 06:36:24,265 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 96.72727272727273) internal successors, (1064), 11 states have internal predecessors, (1064), 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) [2023-11-29 06:36:24,265 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:36:24,265 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:24,265 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-29 06:36:24,265 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-29 06:36:24,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:24,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1607054935, now seen corresponding path program 3 times [2023-11-29 06:36:24,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:24,266 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585700904] [2023-11-29 06:36:24,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:24,266 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:24,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:24,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:36:24,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:24,810 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585700904] [2023-11-29 06:36:24,810 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585700904] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:36:24,810 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:36:24,810 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:36:24,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060319077] [2023-11-29 06:36:24,810 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:36:24,811 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:36:24,811 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:24,812 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:36:24,812 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:36:25,502 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 122 [2023-11-29 06:36:25,503 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 125 transitions, 478 flow. Second operand has 11 states, 11 states have (on average 96.72727272727273) internal successors, (1064), 11 states have internal predecessors, (1064), 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) [2023-11-29 06:36:25,503 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:36:25,503 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 122 [2023-11-29 06:36:25,503 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:36:25,810 INFO L124 PetriNetUnfolderBase]: 58/355 cut-off events. [2023-11-29 06:36:25,810 INFO L125 PetriNetUnfolderBase]: For 662/670 co-relation queries the response was YES. [2023-11-29 06:36:25,811 INFO L83 FinitePrefix]: Finished finitePrefix Result has 971 conditions, 355 events. 58/355 cut-off events. For 662/670 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1177 event pairs, 11 based on Foata normal form. 18/369 useless extension candidates. Maximal degree in co-relation 903. Up to 100 conditions per place. [2023-11-29 06:36:25,813 INFO L140 encePairwiseOnDemand]: 111/122 looper letters, 37 selfloop transitions, 12 changer transitions 26/155 dead transitions. [2023-11-29 06:36:25,813 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 151 places, 155 transitions, 823 flow [2023-11-29 06:36:25,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 06:36:25,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 06:36:25,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1098 transitions. [2023-11-29 06:36:25,817 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8181818181818182 [2023-11-29 06:36:25,817 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1098 transitions. [2023-11-29 06:36:25,817 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1098 transitions. [2023-11-29 06:36:25,818 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:36:25,818 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1098 transitions. [2023-11-29 06:36:25,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 99.81818181818181) internal successors, (1098), 11 states have internal predecessors, (1098), 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) [2023-11-29 06:36:25,825 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 122.0) internal successors, (1464), 12 states have internal predecessors, (1464), 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) [2023-11-29 06:36:25,825 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 122.0) internal successors, (1464), 12 states have internal predecessors, (1464), 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) [2023-11-29 06:36:25,826 INFO L175 Difference]: Start difference. First operand has 144 places, 125 transitions, 478 flow. Second operand 11 states and 1098 transitions. [2023-11-29 06:36:25,826 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 151 places, 155 transitions, 823 flow [2023-11-29 06:36:25,830 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 155 transitions, 758 flow, removed 26 selfloop flow, removed 9 redundant places. [2023-11-29 06:36:25,832 INFO L231 Difference]: Finished difference. Result has 145 places, 125 transitions, 470 flow [2023-11-29 06:36:25,833 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=429, PETRI_DIFFERENCE_MINUEND_PLACES=132, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=113, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=470, PETRI_PLACES=145, PETRI_TRANSITIONS=125} [2023-11-29 06:36:25,833 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 28 predicate places. [2023-11-29 06:36:25,833 INFO L495 AbstractCegarLoop]: Abstraction has has 145 places, 125 transitions, 470 flow [2023-11-29 06:36:25,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 96.72727272727273) internal successors, (1064), 11 states have internal predecessors, (1064), 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) [2023-11-29 06:36:25,834 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:36:25,834 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:25,834 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-29 06:36:25,834 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-29 06:36:25,835 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:25,835 INFO L85 PathProgramCache]: Analyzing trace with hash 693509597, now seen corresponding path program 4 times [2023-11-29 06:36:25,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:25,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1366024804] [2023-11-29 06:36:25,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:25,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:25,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:26,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:36:26,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:26,411 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1366024804] [2023-11-29 06:36:26,411 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1366024804] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:36:26,411 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:36:26,411 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:36:26,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811462241] [2023-11-29 06:36:26,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:36:26,412 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:36:26,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:26,413 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:36:26,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:36:26,945 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 122 [2023-11-29 06:36:26,946 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 145 places, 125 transitions, 470 flow. Second operand has 11 states, 11 states have (on average 96.72727272727273) internal successors, (1064), 11 states have internal predecessors, (1064), 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) [2023-11-29 06:36:26,946 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:36:26,946 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 122 [2023-11-29 06:36:26,946 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:36:27,197 INFO L124 PetriNetUnfolderBase]: 79/377 cut-off events. [2023-11-29 06:36:27,197 INFO L125 PetriNetUnfolderBase]: For 679/697 co-relation queries the response was YES. [2023-11-29 06:36:27,198 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1095 conditions, 377 events. 79/377 cut-off events. For 679/697 co-relation queries the response was YES. Maximal size of possible extension queue 18. Compared 1245 event pairs, 12 based on Foata normal form. 22/394 useless extension candidates. Maximal degree in co-relation 1029. Up to 72 conditions per place. [2023-11-29 06:36:27,200 INFO L140 encePairwiseOnDemand]: 112/122 looper letters, 54 selfloop transitions, 22 changer transitions 14/170 dead transitions. [2023-11-29 06:36:27,200 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 152 places, 170 transitions, 971 flow [2023-11-29 06:36:27,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-29 06:36:27,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2023-11-29 06:36:27,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 1001 transitions. [2023-11-29 06:36:27,204 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8204918032786885 [2023-11-29 06:36:27,204 INFO L72 ComplementDD]: Start complementDD. Operand 10 states and 1001 transitions. [2023-11-29 06:36:27,204 INFO L73 IsDeterministic]: Start isDeterministic. Operand 10 states and 1001 transitions. [2023-11-29 06:36:27,205 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:36:27,205 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 10 states and 1001 transitions. [2023-11-29 06:36:27,207 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 11 states, 10 states have (on average 100.1) internal successors, (1001), 10 states have internal predecessors, (1001), 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) [2023-11-29 06:36:27,210 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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) [2023-11-29 06:36:27,211 INFO L81 ComplementDD]: Finished complementDD. Result has 11 states, 11 states have (on average 122.0) internal successors, (1342), 11 states have internal predecessors, (1342), 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) [2023-11-29 06:36:27,211 INFO L175 Difference]: Start difference. First operand has 145 places, 125 transitions, 470 flow. Second operand 10 states and 1001 transitions. [2023-11-29 06:36:27,211 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 152 places, 170 transitions, 971 flow [2023-11-29 06:36:27,216 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 142 places, 170 transitions, 907 flow, removed 11 selfloop flow, removed 10 redundant places. [2023-11-29 06:36:27,218 INFO L231 Difference]: Finished difference. Result has 146 places, 137 transitions, 620 flow [2023-11-29 06:36:27,219 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=434, PETRI_DIFFERENCE_MINUEND_PLACES=133, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=125, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=9, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=103, PETRI_DIFFERENCE_SUBTRAHEND_STATES=10, PETRI_FLOW=620, PETRI_PLACES=146, PETRI_TRANSITIONS=137} [2023-11-29 06:36:27,219 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 29 predicate places. [2023-11-29 06:36:27,220 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 137 transitions, 620 flow [2023-11-29 06:36:27,220 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 96.72727272727273) internal successors, (1064), 11 states have internal predecessors, (1064), 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) [2023-11-29 06:36:27,220 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-29 06:36:27,221 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:27,221 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-29 06:36:27,221 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 15 more)] === [2023-11-29 06:36:27,221 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 06:36:27,221 INFO L85 PathProgramCache]: Analyzing trace with hash -1352050497, now seen corresponding path program 5 times [2023-11-29 06:36:27,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 06:36:27,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105361175] [2023-11-29 06:36:27,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 06:36:27,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 06:36:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 06:36:27,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 06:36:27,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 06:36:27,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105361175] [2023-11-29 06:36:27,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105361175] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 06:36:27,820 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 06:36:27,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-29 06:36:27,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1565879708] [2023-11-29 06:36:27,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 06:36:27,820 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 06:36:27,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 06:36:27,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 06:36:27,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2023-11-29 06:36:28,528 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 95 out of 122 [2023-11-29 06:36:28,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 146 places, 137 transitions, 620 flow. Second operand has 11 states, 11 states have (on average 96.72727272727273) internal successors, (1064), 11 states have internal predecessors, (1064), 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) [2023-11-29 06:36:28,530 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-29 06:36:28,530 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 95 of 122 [2023-11-29 06:36:28,530 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-29 06:36:28,788 INFO L124 PetriNetUnfolderBase]: 53/306 cut-off events. [2023-11-29 06:36:28,788 INFO L125 PetriNetUnfolderBase]: For 731/735 co-relation queries the response was YES. [2023-11-29 06:36:28,789 INFO L83 FinitePrefix]: Finished finitePrefix Result has 945 conditions, 306 events. 53/306 cut-off events. For 731/735 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 960 event pairs, 3 based on Foata normal form. 12/315 useless extension candidates. Maximal degree in co-relation 877. Up to 62 conditions per place. [2023-11-29 06:36:28,790 INFO L140 encePairwiseOnDemand]: 111/122 looper letters, 0 selfloop transitions, 0 changer transitions 164/164 dead transitions. [2023-11-29 06:36:28,790 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 155 places, 164 transitions, 965 flow [2023-11-29 06:36:28,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 06:36:28,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11 states. [2023-11-29 06:36:28,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 1097 transitions. [2023-11-29 06:36:28,794 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.8174366616989568 [2023-11-29 06:36:28,794 INFO L72 ComplementDD]: Start complementDD. Operand 11 states and 1097 transitions. [2023-11-29 06:36:28,794 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 1097 transitions. [2023-11-29 06:36:28,795 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-29 06:36:28,795 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 11 states and 1097 transitions. [2023-11-29 06:36:28,798 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 12 states, 11 states have (on average 99.72727272727273) internal successors, (1097), 11 states have internal predecessors, (1097), 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) [2023-11-29 06:36:28,802 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 12 states, 12 states have (on average 122.0) internal successors, (1464), 12 states have internal predecessors, (1464), 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) [2023-11-29 06:36:28,802 INFO L81 ComplementDD]: Finished complementDD. Result has 12 states, 12 states have (on average 122.0) internal successors, (1464), 12 states have internal predecessors, (1464), 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) [2023-11-29 06:36:28,802 INFO L175 Difference]: Start difference. First operand has 146 places, 137 transitions, 620 flow. Second operand 11 states and 1097 transitions. [2023-11-29 06:36:28,803 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 155 places, 164 transitions, 965 flow [2023-11-29 06:36:28,807 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 146 places, 164 transitions, 927 flow, removed 2 selfloop flow, removed 9 redundant places. [2023-11-29 06:36:28,809 INFO L231 Difference]: Finished difference. Result has 146 places, 0 transitions, 0 flow [2023-11-29 06:36:28,809 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=122, PETRI_DIFFERENCE_MINUEND_FLOW=585, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=136, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=136, PETRI_DIFFERENCE_SUBTRAHEND_STATES=11, PETRI_FLOW=0, PETRI_PLACES=146, PETRI_TRANSITIONS=0} [2023-11-29 06:36:28,810 INFO L281 CegarLoopForPetriNet]: 117 programPoint places, 29 predicate places. [2023-11-29 06:36:28,810 INFO L495 AbstractCegarLoop]: Abstraction has has 146 places, 0 transitions, 0 flow [2023-11-29 06:36:28,811 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 96.72727272727273) internal successors, (1064), 11 states have internal predecessors, (1064), 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) [2023-11-29 06:36:28,813 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (17 of 18 remaining) [2023-11-29 06:36:28,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (16 of 18 remaining) [2023-11-29 06:36:28,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (15 of 18 remaining) [2023-11-29 06:36:28,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (14 of 18 remaining) [2023-11-29 06:36:28,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (13 of 18 remaining) [2023-11-29 06:36:28,814 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (12 of 18 remaining) [2023-11-29 06:36:28,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (11 of 18 remaining) [2023-11-29 06:36:28,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (10 of 18 remaining) [2023-11-29 06:36:28,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (9 of 18 remaining) [2023-11-29 06:36:28,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (8 of 18 remaining) [2023-11-29 06:36:28,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (7 of 18 remaining) [2023-11-29 06:36:28,815 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (6 of 18 remaining) [2023-11-29 06:36:28,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (5 of 18 remaining) [2023-11-29 06:36:28,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (4 of 18 remaining) [2023-11-29 06:36:28,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (3 of 18 remaining) [2023-11-29 06:36:28,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (2 of 18 remaining) [2023-11-29 06:36:28,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONDATA_RACE (1 of 18 remaining) [2023-11-29 06:36:28,816 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr4ASSERT_VIOLATIONDATA_RACE (0 of 18 remaining) [2023-11-29 06:36:28,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2023-11-29 06:36:28,817 INFO L445 BasicCegarLoop]: Path program histogram: [5, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 06:36:28,822 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-29 06:36:28,822 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 06:36:28,828 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 06:36:28 BasicIcfg [2023-11-29 06:36:28,828 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 06:36:28,828 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 06:36:28,829 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 06:36:28,829 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 06:36:28,829 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 06:36:14" (3/4) ... [2023-11-29 06:36:28,831 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 06:36:28,834 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-29 06:36:28,839 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-29 06:36:28,839 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 06:36:28,839 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-11-29 06:36:28,913 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115151aa-5f35-4aa9-b987-0bb7c0f2cb4a/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 06:36:28,914 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115151aa-5f35-4aa9-b987-0bb7c0f2cb4a/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 06:36:28,914 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 06:36:28,915 INFO L158 Benchmark]: Toolchain (without parser) took 15824.07ms. Allocated memory was 132.1MB in the beginning and 285.2MB in the end (delta: 153.1MB). Free memory was 86.9MB in the beginning and 207.5MB in the end (delta: -120.6MB). Peak memory consumption was 35.4MB. Max. memory is 16.1GB. [2023-11-29 06:36:28,915 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 06:36:28,915 INFO L158 Benchmark]: CACSL2BoogieTranslator took 596.26ms. Allocated memory is still 132.1MB. Free memory was 86.9MB in the beginning and 59.0MB in the end (delta: 27.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-29 06:36:28,916 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.63ms. Allocated memory is still 132.1MB. Free memory was 59.0MB in the beginning and 56.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:36:28,916 INFO L158 Benchmark]: Boogie Preprocessor took 29.06ms. Allocated memory is still 132.1MB. Free memory was 56.3MB in the beginning and 54.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 06:36:28,916 INFO L158 Benchmark]: RCFGBuilder took 479.63ms. Allocated memory is still 132.1MB. Free memory was 54.3MB in the beginning and 86.3MB in the end (delta: -32.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2023-11-29 06:36:28,917 INFO L158 Benchmark]: TraceAbstraction took 14576.61ms. Allocated memory was 132.1MB in the beginning and 285.2MB in the end (delta: 153.1MB). Free memory was 85.7MB in the beginning and 211.7MB in the end (delta: -126.0MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. [2023-11-29 06:36:28,917 INFO L158 Benchmark]: Witness Printer took 85.50ms. Allocated memory is still 285.2MB. Free memory was 211.7MB in the beginning and 207.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-29 06:36:28,919 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 105.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 596.26ms. Allocated memory is still 132.1MB. Free memory was 86.9MB in the beginning and 59.0MB in the end (delta: 27.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.63ms. Allocated memory is still 132.1MB. Free memory was 59.0MB in the beginning and 56.3MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.06ms. Allocated memory is still 132.1MB. Free memory was 56.3MB in the beginning and 54.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 479.63ms. Allocated memory is still 132.1MB. Free memory was 54.3MB in the beginning and 86.3MB in the end (delta: -32.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * TraceAbstraction took 14576.61ms. Allocated memory was 132.1MB in the beginning and 285.2MB in the end (delta: 153.1MB). Free memory was 85.7MB in the beginning and 211.7MB in the end (delta: -126.0MB). Peak memory consumption was 27.9MB. Max. memory is 16.1GB. * Witness Printer took 85.50ms. Allocated memory is still 285.2MB. Free memory was 211.7MB in the beginning and 207.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 933]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 935]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 936]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 937]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 938]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 939]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 924]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 925]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 926]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 926]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 927]: 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 3 procedures, 161 locations, 18 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: 14.4s, OverallIterations: 14, TraceHistogramMax: 1, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 8.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2213 SdHoareTripleChecker+Valid, 5.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1616 mSDsluCounter, 807 SdHoareTripleChecker+Invalid, 4.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 756 mSDsCounter, 578 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7196 IncrementalHoareTripleChecker+Invalid, 7774 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 578 mSolverCounterUnsat, 51 mSDtfsCounter, 7196 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 115 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1736occurred in iteration=6, InterpolantAutomatonStates: 101, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 965 NumberOfCodeBlocks, 965 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 951 ConstructedInterpolants, 0 QuantifiedInterpolants, 7970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 14 InterpolantComputations, 14 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 12 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-29 06:36:28,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_115151aa-5f35-4aa9-b987-0bb7c0f2cb4a/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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