./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15fd76b-44a6-4fe9-a1fa-1cd9b748b49a/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15fd76b-44a6-4fe9-a1fa-1cd9b748b49a/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_f15fd76b-44a6-4fe9-a1fa-1cd9b748b49a/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15fd76b-44a6-4fe9-a1fa-1cd9b748b49a/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15fd76b-44a6-4fe9-a1fa-1cd9b748b49a/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_f15fd76b-44a6-4fe9-a1fa-1cd9b748b49a/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 9a8131f8693d82039b4018f716a17d0a3e1038ace11c7bb21b12bc911efac3c1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:52:45,565 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:52:45,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15fd76b-44a6-4fe9-a1fa-1cd9b748b49a/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:52:45,711 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:52:45,712 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:52:45,739 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:52:45,739 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:52:45,740 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:52:45,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:52:45,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:52:45,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:52:45,743 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:52:45,744 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:52:45,745 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:52:45,745 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:52:45,746 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:52:45,747 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:52:45,747 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:52:45,748 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:52:45,749 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:52:45,749 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:52:45,750 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:52:45,750 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:52:45,751 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:52:45,751 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:52:45,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:52:45,752 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:52:45,753 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:52:45,753 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:52:45,754 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:52:45,754 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:45,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:52:45,755 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:52:45,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:52:45,756 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:52:45,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:52:45,757 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:52:45,758 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:52:45,760 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:52:45,760 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:52:45,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:52:45,761 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_f15fd76b-44a6-4fe9-a1fa-1cd9b748b49a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15fd76b-44a6-4fe9-a1fa-1cd9b748b49a/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9a8131f8693d82039b4018f716a17d0a3e1038ace11c7bb21b12bc911efac3c1 [2023-11-26 11:52:46,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:52:46,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:52:46,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:52:46,075 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:52:46,076 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:52:46,077 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15fd76b-44a6-4fe9-a1fa-1cd9b748b49a/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i [2023-11-26 11:52:49,225 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:52:49,652 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:52:49,653 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15fd76b-44a6-4fe9-a1fa-1cd9b748b49a/sv-benchmarks/c/pthread-wmm/mix053_tso.oepc.i [2023-11-26 11:52:49,676 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15fd76b-44a6-4fe9-a1fa-1cd9b748b49a/bin/uautomizer-verify-VRDe98Ueme/data/a9325c9bc/371a2512b59c4d06b19ebba0c99683ec/FLAGe214ea8c2 [2023-11-26 11:52:49,691 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15fd76b-44a6-4fe9-a1fa-1cd9b748b49a/bin/uautomizer-verify-VRDe98Ueme/data/a9325c9bc/371a2512b59c4d06b19ebba0c99683ec [2023-11-26 11:52:49,694 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:52:49,695 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:52:49,697 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:49,697 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:52:49,703 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:52:49,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:49" (1/1) ... [2023-11-26 11:52:49,706 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b7222d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:49, skipping insertion in model container [2023-11-26 11:52:49,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:49" (1/1) ... [2023-11-26 11:52:49,761 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:52:50,224 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:50,241 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:52:50,384 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:50,438 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:50,438 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:52:50,446 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:52:50,447 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:50 WrapperNode [2023-11-26 11:52:50,447 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:50,448 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:50,449 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:52:50,449 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:52:50,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:50" (1/1) ... [2023-11-26 11:52:50,507 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:50" (1/1) ... [2023-11-26 11:52:50,598 INFO L138 Inliner]: procedures = 177, calls = 68, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 963 [2023-11-26 11:52:50,606 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:50,607 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:52:50,607 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:52:50,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:52:50,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:50" (1/1) ... [2023-11-26 11:52:50,618 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:50" (1/1) ... [2023-11-26 11:52:50,629 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:50" (1/1) ... [2023-11-26 11:52:50,630 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:50" (1/1) ... [2023-11-26 11:52:50,670 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:50" (1/1) ... [2023-11-26 11:52:50,698 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:50" (1/1) ... [2023-11-26 11:52:50,702 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:50" (1/1) ... [2023-11-26 11:52:50,720 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:50" (1/1) ... [2023-11-26 11:52:50,740 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:52:50,741 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:52:50,741 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:52:50,741 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:52:50,742 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:50" (1/1) ... [2023-11-26 11:52:50,749 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:50,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15fd76b-44a6-4fe9-a1fa-1cd9b748b49a/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:50,788 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15fd76b-44a6-4fe9-a1fa-1cd9b748b49a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:50,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f15fd76b-44a6-4fe9-a1fa-1cd9b748b49a/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:52:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:52:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 11:52:50,843 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:52:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:52:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:52:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-26 11:52:50,844 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-26 11:52:50,844 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-26 11:52:50,845 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-26 11:52:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-26 11:52:50,845 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-26 11:52:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2023-11-26 11:52:50,847 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2023-11-26 11:52:50,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:52:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 11:52:50,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:52:50,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:52:50,850 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 11:52:51,064 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:52:51,067 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:52:52,691 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:52:59,128 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:52:59,128 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:52:59,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:59 BoogieIcfgContainer [2023-11-26 11:52:59,131 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:52:59,135 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:52:59,136 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:52:59,139 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:52:59,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:52:49" (1/3) ... [2023-11-26 11:52:59,141 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12bd74d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:59, skipping insertion in model container [2023-11-26 11:52:59,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:50" (2/3) ... [2023-11-26 11:52:59,144 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12bd74d9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:59, skipping insertion in model container [2023-11-26 11:52:59,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:59" (3/3) ... [2023-11-26 11:52:59,146 INFO L112 eAbstractionObserver]: Analyzing ICFG mix053_tso.oepc.i [2023-11-26 11:52:59,157 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:52:59,169 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:52:59,170 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 251 error locations. [2023-11-26 11:52:59,170 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:52:59,392 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 11:52:59,458 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 399 places, 389 transitions, 794 flow [2023-11-26 11:52:59,843 INFO L124 PetriNetUnfolderBase]: 3/385 cut-off events. [2023-11-26 11:52:59,844 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:52:59,859 INFO L83 FinitePrefix]: Finished finitePrefix Result has 398 conditions, 385 events. 3/385 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 100. Compared 1985 event pairs, 0 based on Foata normal form. 0/131 useless extension candidates. Maximal degree in co-relation 349. Up to 2 conditions per place. [2023-11-26 11:52:59,859 INFO L82 GeneralOperation]: Start removeDead. Operand has 399 places, 389 transitions, 794 flow [2023-11-26 11:52:59,890 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 395 places, 385 transitions, 782 flow [2023-11-26 11:52:59,911 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:52:59,928 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;@6113e253, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:52:59,928 INFO L358 AbstractCegarLoop]: Starting to check reachability of 375 error locations. [2023-11-26 11:52:59,942 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:52:59,943 INFO L124 PetriNetUnfolderBase]: 0/44 cut-off events. [2023-11-26 11:52:59,943 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:52:59,944 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:52:59,945 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] [2023-11-26 11:52:59,946 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 371 more)] === [2023-11-26 11:52:59,952 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:59,953 INFO L85 PathProgramCache]: Analyzing trace with hash 343730350, now seen corresponding path program 1 times [2023-11-26 11:52:59,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:59,974 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609111360] [2023-11-26 11:52:59,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:59,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:00,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:00,268 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 11:53:00,269 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:00,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609111360] [2023-11-26 11:53:00,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [609111360] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:00,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:00,272 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 11:53:00,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1009297781] [2023-11-26 11:53:00,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:00,286 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:53:00,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:00,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:53:00,334 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:53:00,341 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 389 [2023-11-26 11:53:00,348 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 395 places, 385 transitions, 782 flow. Second operand has 2 states, 2 states have (on average 115.0) internal successors, (230), 2 states have internal predecessors, (230), 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 11:53:00,349 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:53:00,349 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 389 [2023-11-26 11:53:00,351 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:53:15,776 INFO L124 PetriNetUnfolderBase]: 6070/21152 cut-off events. [2023-11-26 11:53:15,777 INFO L125 PetriNetUnfolderBase]: For 125/125 co-relation queries the response was YES. [2023-11-26 11:53:15,904 INFO L83 FinitePrefix]: Finished finitePrefix Result has 29602 conditions, 21152 events. 6070/21152 cut-off events. For 125/125 co-relation queries the response was YES. Maximal size of possible extension queue 718. Compared 269374 event pairs, 6070 based on Foata normal form. 1448/21429 useless extension candidates. Maximal degree in co-relation 29551. Up to 8195 conditions per place. [2023-11-26 11:53:16,048 INFO L140 encePairwiseOnDemand]: 137/389 looper letters, 22 selfloop transitions, 0 changer transitions 0/130 dead transitions. [2023-11-26 11:53:16,048 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 144 places, 130 transitions, 316 flow [2023-11-26 11:53:16,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:53:16,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-26 11:53:16,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 502 transitions. [2023-11-26 11:53:16,078 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.6452442159383034 [2023-11-26 11:53:16,079 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 502 transitions. [2023-11-26 11:53:16,079 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 502 transitions. [2023-11-26 11:53:16,085 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:53:16,088 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 502 transitions. [2023-11-26 11:53:16,095 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 251.0) internal successors, (502), 2 states have internal predecessors, (502), 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 11:53:16,102 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 389.0) internal successors, (1167), 3 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:16,103 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 389.0) internal successors, (1167), 3 states have internal predecessors, (1167), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:16,106 INFO L175 Difference]: Start difference. First operand has 395 places, 385 transitions, 782 flow. Second operand 2 states and 502 transitions. [2023-11-26 11:53:16,107 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 144 places, 130 transitions, 316 flow [2023-11-26 11:53:16,113 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 140 places, 130 transitions, 312 flow, removed 0 selfloop flow, removed 4 redundant places. [2023-11-26 11:53:16,119 INFO L231 Difference]: Finished difference. Result has 140 places, 130 transitions, 268 flow [2023-11-26 11:53:16,122 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=389, PETRI_DIFFERENCE_MINUEND_FLOW=268, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=130, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=130, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=268, PETRI_PLACES=140, PETRI_TRANSITIONS=130} [2023-11-26 11:53:16,128 INFO L281 CegarLoopForPetriNet]: 395 programPoint places, -255 predicate places. [2023-11-26 11:53:16,129 INFO L495 AbstractCegarLoop]: Abstraction has has 140 places, 130 transitions, 268 flow [2023-11-26 11:53:16,129 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 115.0) internal successors, (230), 2 states have internal predecessors, (230), 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 11:53:16,130 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:53:16,130 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] [2023-11-26 11:53:16,131 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:53:16,131 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 371 more)] === [2023-11-26 11:53:16,132 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:16,132 INFO L85 PathProgramCache]: Analyzing trace with hash -1570197543, now seen corresponding path program 1 times [2023-11-26 11:53:16,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:16,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [167733927] [2023-11-26 11:53:16,133 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:16,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:16,445 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 11:53:16,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:16,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [167733927] [2023-11-26 11:53:16,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [167733927] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:16,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:16,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:53:16,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1678941323] [2023-11-26 11:53:16,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:16,451 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:53:16,451 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:16,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:53:16,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:53:16,459 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 389 [2023-11-26 11:53:16,460 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 140 places, 130 transitions, 268 flow. Second operand has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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 11:53:16,460 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:53:16,460 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 389 [2023-11-26 11:53:16,461 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:53:29,999 INFO L124 PetriNetUnfolderBase]: 9220/28541 cut-off events. [2023-11-26 11:53:29,999 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:53:30,115 INFO L83 FinitePrefix]: Finished finitePrefix Result has 41138 conditions, 28541 events. 9220/28541 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 703. Compared 349463 event pairs, 2920 based on Foata normal form. 0/26994 useless extension candidates. Maximal degree in co-relation 41135. Up to 8300 conditions per place. [2023-11-26 11:53:30,243 INFO L140 encePairwiseOnDemand]: 387/389 looper letters, 38 selfloop transitions, 1 changer transitions 0/144 dead transitions. [2023-11-26 11:53:30,243 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 141 places, 144 transitions, 374 flow [2023-11-26 11:53:30,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:53:30,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:53:30,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 373 transitions. [2023-11-26 11:53:30,247 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.3196229648671808 [2023-11-26 11:53:30,248 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 373 transitions. [2023-11-26 11:53:30,249 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 373 transitions. [2023-11-26 11:53:30,249 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:53:30,249 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 373 transitions. [2023-11-26 11:53:30,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 4 states, 3 states have (on average 124.33333333333333) internal successors, (373), 3 states have internal predecessors, (373), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:53:30,259 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 389.0) internal successors, (1556), 4 states have internal predecessors, (1556), 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 11:53:30,260 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 389.0) internal successors, (1556), 4 states have internal predecessors, (1556), 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 11:53:30,261 INFO L175 Difference]: Start difference. First operand has 140 places, 130 transitions, 268 flow. Second operand 3 states and 373 transitions. [2023-11-26 11:53:30,261 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 141 places, 144 transitions, 374 flow [2023-11-26 11:53:30,265 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 141 places, 144 transitions, 374 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:53:30,269 INFO L231 Difference]: Finished difference. Result has 141 places, 129 transitions, 268 flow [2023-11-26 11:53:30,271 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=389, PETRI_DIFFERENCE_MINUEND_FLOW=266, PETRI_DIFFERENCE_MINUEND_PLACES=139, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=128, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=268, PETRI_PLACES=141, PETRI_TRANSITIONS=129} [2023-11-26 11:53:30,274 INFO L281 CegarLoopForPetriNet]: 395 programPoint places, -254 predicate places. [2023-11-26 11:53:30,275 INFO L495 AbstractCegarLoop]: Abstraction has has 141 places, 129 transitions, 268 flow [2023-11-26 11:53:30,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 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 11:53:30,276 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:53:30,277 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] [2023-11-26 11:53:30,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:53:30,278 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 371 more)] === [2023-11-26 11:53:30,279 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:53:30,279 INFO L85 PathProgramCache]: Analyzing trace with hash -973634258, now seen corresponding path program 1 times [2023-11-26 11:53:30,286 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:53:30,286 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571855822] [2023-11-26 11:53:30,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:53:30,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:53:30,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:53:30,581 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 11:53:30,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:53:30,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571855822] [2023-11-26 11:53:30,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571855822] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:53:30,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:53:30,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:53:30,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651756813] [2023-11-26 11:53:30,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:53:30,586 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:53:30,587 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:53:30,587 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:53:30,588 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:53:30,591 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 111 out of 389 [2023-11-26 11:53:30,592 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 141 places, 129 transitions, 268 flow. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 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 11:53:30,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:53:30,593 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 111 of 389 [2023-11-26 11:53:30,593 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand