./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.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_e7b82d24-7a96-4767-856f-346f3cfc641d/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b82d24-7a96-4767-856f-346f3cfc641d/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b82d24-7a96-4767-856f-346f3cfc641d/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b82d24-7a96-4767-856f-346f3cfc641d/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b82d24-7a96-4767-856f-346f3cfc641d/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b82d24-7a96-4767-856f-346f3cfc641d/bin/uautomizer-verify-VRDe98Ueme --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 473191b5f1326a38296af26dcd2c7f553c42833f82b512e9fb358484309bc769 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:44:42,616 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:44:42,710 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b82d24-7a96-4767-856f-346f3cfc641d/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 10:44:42,719 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:44:42,722 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:44:42,767 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:44:42,768 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:44:42,769 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:44:42,770 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:44:42,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:44:42,776 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:44:42,777 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:44:42,777 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:44:42,779 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:44:42,780 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:44:42,780 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:44:42,781 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:44:42,781 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:44:42,781 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:44:42,782 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:44:42,782 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:44:42,783 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:44:42,784 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 10:44:42,784 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 10:44:42,784 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:44:42,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:44:42,785 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:44:42,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:44:42,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:44:42,787 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:44:42,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:44:42,788 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:44:42,788 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:44:42,789 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:44:42,789 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:44:42,789 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:44:42,790 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:44:42,790 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:44:42,790 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:44:42,790 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:44:42,791 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:44:42,791 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_e7b82d24-7a96-4767-856f-346f3cfc641d/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b82d24-7a96-4767-856f-346f3cfc641d/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 473191b5f1326a38296af26dcd2c7f553c42833f82b512e9fb358484309bc769 [2023-11-26 10:44:43,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:44:43,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:44:43,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:44:43,101 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:44:43,101 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:44:43,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b82d24-7a96-4767-856f-346f3cfc641d/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-11-26 10:44:46,314 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:44:46,662 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:44:46,663 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b82d24-7a96-4767-856f-346f3cfc641d/sv-benchmarks/c/pthread-wmm/mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-11-26 10:44:46,697 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b82d24-7a96-4767-856f-346f3cfc641d/bin/uautomizer-verify-VRDe98Ueme/data/bff66046f/bd145842f0f84b5dbc0536920a10091a/FLAGf93bc6ca3 [2023-11-26 10:44:46,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b82d24-7a96-4767-856f-346f3cfc641d/bin/uautomizer-verify-VRDe98Ueme/data/bff66046f/bd145842f0f84b5dbc0536920a10091a [2023-11-26 10:44:46,714 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:44:46,716 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:44:46,719 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:44:46,720 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:44:46,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:44:46,729 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:46" (1/1) ... [2023-11-26 10:44:46,730 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@edb2e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:46, skipping insertion in model container [2023-11-26 10:44:46,731 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:44:46" (1/1) ... [2023-11-26 10:44:46,790 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:44:47,359 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:44:47,377 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:44:47,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:44:47,510 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:44:47,511 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 10:44:47,519 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:44:47,520 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:47 WrapperNode [2023-11-26 10:44:47,520 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:44:47,521 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:44:47,521 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:44:47,522 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:44:47,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:47" (1/1) ... [2023-11-26 10:44:47,583 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:47" (1/1) ... [2023-11-26 10:44:47,661 INFO L138 Inliner]: procedures = 177, calls = 72, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 986 [2023-11-26 10:44:47,662 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:44:47,666 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:44:47,667 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:44:47,667 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:44:47,678 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:47" (1/1) ... [2023-11-26 10:44:47,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:47" (1/1) ... [2023-11-26 10:44:47,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:47" (1/1) ... [2023-11-26 10:44:47,694 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:47" (1/1) ... [2023-11-26 10:44:47,733 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:47" (1/1) ... [2023-11-26 10:44:47,744 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:47" (1/1) ... [2023-11-26 10:44:47,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:47" (1/1) ... [2023-11-26 10:44:47,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:47" (1/1) ... [2023-11-26 10:44:47,764 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:44:47,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:44:47,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:44:47,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:44:47,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:47" (1/1) ... [2023-11-26 10:44:47,787 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:44:47,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b82d24-7a96-4767-856f-346f3cfc641d/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:44:47,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b82d24-7a96-4767-856f-346f3cfc641d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:44:47,885 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e7b82d24-7a96-4767-856f-346f3cfc641d/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:44:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 10:44:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 10:44:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:44:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 10:44:47,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 10:44:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-26 10:44:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-26 10:44:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-26 10:44:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-26 10:44:47,917 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-26 10:44:47,917 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-26 10:44:47,918 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-26 10:44:47,921 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-26 10:44:47,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 10:44:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 10:44:47,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:44:47,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:44:47,925 WARN L213 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-26 10:44:48,194 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:44:48,197 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:44:49,838 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:44:55,746 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:44:55,747 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 10:44:55,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:44:55 BoogieIcfgContainer [2023-11-26 10:44:55,749 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:44:55,753 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:44:55,754 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:44:55,757 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:44:55,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:44:46" (1/3) ... [2023-11-26 10:44:55,758 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39da15e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:44:55, skipping insertion in model container [2023-11-26 10:44:55,759 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:44:47" (2/3) ... [2023-11-26 10:44:55,760 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39da15e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:44:55, skipping insertion in model container [2023-11-26 10:44:55,761 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:44:55" (3/3) ... [2023-11-26 10:44:55,762 INFO L112 eAbstractionObserver]: Analyzing ICFG mix047_power.opt_pso.opt_rmo.opt_tso.oepc_tso.opt.i [2023-11-26 10:44:55,771 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 10:44:55,781 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:44:55,782 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 226 error locations. [2023-11-26 10:44:55,782 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 10:44:55,978 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 10:44:56,036 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 377 places, 367 transitions, 750 flow [2023-11-26 10:44:56,308 INFO L124 PetriNetUnfolderBase]: 3/363 cut-off events. [2023-11-26 10:44:56,308 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 10:44:56,319 INFO L83 FinitePrefix]: Finished finitePrefix Result has 376 conditions, 363 events. 3/363 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 101. Compared 1830 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 326. Up to 2 conditions per place. [2023-11-26 10:44:56,319 INFO L82 GeneralOperation]: Start removeDead. Operand has 377 places, 367 transitions, 750 flow [2023-11-26 10:44:56,340 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 373 places, 363 transitions, 738 flow [2023-11-26 10:44:56,353 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:44:56,360 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;@1b6dd245, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:44:56,361 INFO L358 AbstractCegarLoop]: Starting to check reachability of 324 error locations. [2023-11-26 10:44:56,371 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 10:44:56,371 INFO L124 PetriNetUnfolderBase]: 0/45 cut-off events. [2023-11-26 10:44:56,372 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 10:44:56,372 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:44:56,373 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] [2023-11-26 10:44:56,373 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 320 more)] === [2023-11-26 10:44:56,382 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:44:56,382 INFO L85 PathProgramCache]: Analyzing trace with hash 1748853523, now seen corresponding path program 1 times [2023-11-26 10:44:56,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:44:56,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [287674564] [2023-11-26 10:44:56,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:44:56,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:44:56,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:44:56,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:44:56,669 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:44:56,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [287674564] [2023-11-26 10:44:56,670 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [287674564] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:44:56,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:44:56,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 10:44:56,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1220372051] [2023-11-26 10:44:56,674 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:44:56,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:44:56,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:44:56,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:44:56,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:44:56,718 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 116 out of 367 [2023-11-26 10:44:56,721 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 373 places, 363 transitions, 738 flow. Second operand has 2 states, 2 states have (on average 117.0) internal successors, (234), 2 states have internal predecessors, (234), 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) [2023-11-26 10:44:56,721 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:44:56,721 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 116 of 367 [2023-11-26 10:44:56,722 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:11,205 INFO L124 PetriNetUnfolderBase]: 6724/23331 cut-off events. [2023-11-26 10:45:11,206 INFO L125 PetriNetUnfolderBase]: For 101/101 co-relation queries the response was YES. [2023-11-26 10:45:11,329 INFO L83 FinitePrefix]: Finished finitePrefix Result has 32603 conditions, 23331 events. 6724/23331 cut-off events. For 101/101 co-relation queries the response was YES. Maximal size of possible extension queue 793. Compared 303166 event pairs, 6724 based on Foata normal form. 1631/23683 useless extension candidates. Maximal degree in co-relation 32551. Up to 9065 conditions per place. [2023-11-26 10:45:11,467 INFO L140 encePairwiseOnDemand]: 140/367 looper letters, 23 selfloop transitions, 0 changer transitions 0/133 dead transitions. [2023-11-26 10:45:11,467 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 147 places, 133 transitions, 324 flow [2023-11-26 10:45:11,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:45:11,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-26 10:45:11,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 482 transitions. [2023-11-26 10:45:11,487 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6566757493188011 [2023-11-26 10:45:11,488 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 482 transitions. [2023-11-26 10:45:11,489 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 482 transitions. [2023-11-26 10:45:11,491 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:11,494 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 482 transitions. [2023-11-26 10:45:11,500 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 241.0) internal successors, (482), 2 states have internal predecessors, (482), 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) [2023-11-26 10:45:11,505 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 367.0) internal successors, (1101), 3 states have internal predecessors, (1101), 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) [2023-11-26 10:45:11,506 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 367.0) internal successors, (1101), 3 states have internal predecessors, (1101), 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) [2023-11-26 10:45:11,509 INFO L175 Difference]: Start difference. First operand has 373 places, 363 transitions, 738 flow. Second operand 2 states and 482 transitions. [2023-11-26 10:45:11,510 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 147 places, 133 transitions, 324 flow [2023-11-26 10:45:11,514 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 143 places, 133 transitions, 320 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 10:45:11,518 INFO L231 Difference]: Finished difference. Result has 143 places, 133 transitions, 274 flow [2023-11-26 10:45:11,521 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=274, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=133, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=133, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=274, PETRI_PLACES=143, PETRI_TRANSITIONS=133} [2023-11-26 10:45:11,526 INFO L281 CegarLoopForPetriNet]: 373 programPoint places, -230 predicate places. [2023-11-26 10:45:11,526 INFO L495 AbstractCegarLoop]: Abstraction has has 143 places, 133 transitions, 274 flow [2023-11-26 10:45:11,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 117.0) internal successors, (234), 2 states have internal predecessors, (234), 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) [2023-11-26 10:45:11,527 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:11,527 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] [2023-11-26 10:45:11,528 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:45:11,528 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 320 more)] === [2023-11-26 10:45:11,529 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:11,529 INFO L85 PathProgramCache]: Analyzing trace with hash 2063618703, now seen corresponding path program 1 times [2023-11-26 10:45:11,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:11,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345175212] [2023-11-26 10:45:11,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:11,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:11,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:11,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:11,764 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:11,764 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345175212] [2023-11-26 10:45:11,765 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345175212] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:11,765 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:11,765 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:11,765 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895548982] [2023-11-26 10:45:11,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:11,767 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:11,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:11,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:11,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:11,773 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 367 [2023-11-26 10:45:11,774 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 143 places, 133 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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) [2023-11-26 10:45:11,774 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:11,775 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 367 [2023-11-26 10:45:11,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 10:45:25,194 INFO L124 PetriNetUnfolderBase]: 10260/31690 cut-off events. [2023-11-26 10:45:25,194 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 10:45:25,299 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45615 conditions, 31690 events. 10260/31690 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 789. Compared 395616 event pairs, 3188 based on Foata normal form. 0/29968 useless extension candidates. Maximal degree in co-relation 45612. Up to 9312 conditions per place. [2023-11-26 10:45:25,442 INFO L140 encePairwiseOnDemand]: 365/367 looper letters, 40 selfloop transitions, 1 changer transitions 0/148 dead transitions. [2023-11-26 10:45:25,442 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 148 transitions, 386 flow [2023-11-26 10:45:25,444 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:45:25,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 10:45:25,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 381 transitions. [2023-11-26 10:45:25,447 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3460490463215259 [2023-11-26 10:45:25,447 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 381 transitions. [2023-11-26 10:45:25,448 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 381 transitions. [2023-11-26 10:45:25,448 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 10:45:25,448 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 381 transitions. [2023-11-26 10:45:25,450 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 127.0) internal successors, (381), 3 states have internal predecessors, (381), 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) [2023-11-26 10:45:25,455 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 367.0) internal successors, (1468), 4 states have internal predecessors, (1468), 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) [2023-11-26 10:45:25,456 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 367.0) internal successors, (1468), 4 states have internal predecessors, (1468), 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) [2023-11-26 10:45:25,457 INFO L175 Difference]: Start difference. First operand has 143 places, 133 transitions, 274 flow. Second operand 3 states and 381 transitions. [2023-11-26 10:45:25,457 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 148 transitions, 386 flow [2023-11-26 10:45:25,459 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 144 places, 148 transitions, 386 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 10:45:25,464 INFO L231 Difference]: Finished difference. Result has 144 places, 132 transitions, 274 flow [2023-11-26 10:45:25,466 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=367, PETRI_DIFFERENCE_MINUEND_FLOW=272, PETRI_DIFFERENCE_MINUEND_PLACES=142, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=132, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=131, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=274, PETRI_PLACES=144, PETRI_TRANSITIONS=132} [2023-11-26 10:45:25,469 INFO L281 CegarLoopForPetriNet]: 373 programPoint places, -229 predicate places. [2023-11-26 10:45:25,470 INFO L495 AbstractCegarLoop]: Abstraction has has 144 places, 132 transitions, 274 flow [2023-11-26 10:45:25,471 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 115.33333333333333) internal successors, (346), 3 states have internal predecessors, (346), 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) [2023-11-26 10:45:25,471 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 10:45:25,472 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] [2023-11-26 10:45:25,473 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:45:25,474 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr131ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 320 more)] === [2023-11-26 10:45:25,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:45:25,475 INFO L85 PathProgramCache]: Analyzing trace with hash -756089794, now seen corresponding path program 1 times [2023-11-26 10:45:25,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:45:25,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782857448] [2023-11-26 10:45:25,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:45:25,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:45:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:45:25,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:45:25,854 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:45:25,855 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782857448] [2023-11-26 10:45:25,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [782857448] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:45:25,855 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:45:25,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:45:25,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129586702] [2023-11-26 10:45:25,856 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:45:25,857 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:45:25,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:45:25,858 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:45:25,858 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:45:25,862 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 113 out of 367 [2023-11-26 10:45:25,863 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 144 places, 132 transitions, 274 flow. Second operand has 3 states, 3 states have (on average 116.0) internal successors, (348), 3 states have internal predecessors, (348), 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) [2023-11-26 10:45:25,863 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 10:45:25,863 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 113 of 367 [2023-11-26 10:45:25,864 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand