./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/safe001_power.oepc.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_f3de4ac1-0f36-4bc3-b943-931a65bdcb70/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3de4ac1-0f36-4bc3-b943-931a65bdcb70/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_f3de4ac1-0f36-4bc3-b943-931a65bdcb70/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3de4ac1-0f36-4bc3-b943-931a65bdcb70/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe001_power.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3de4ac1-0f36-4bc3-b943-931a65bdcb70/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_f3de4ac1-0f36-4bc3-b943-931a65bdcb70/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 67d3e2c6779f32015be5c9fe966e6a739e1c762dcde7f287ad383839eb490e84 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:49:18,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:49:18,616 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3de4ac1-0f36-4bc3-b943-931a65bdcb70/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-DataRace-32bit-Automizer_Default.epf [2023-11-26 11:49:18,628 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:49:18,629 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:49:18,668 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:49:18,669 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:49:18,670 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:49:18,671 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:49:18,676 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:49:18,678 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:49:18,678 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:49:18,679 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:49:18,681 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:49:18,681 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:49:18,682 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:49:18,682 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:49:18,683 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:49:18,683 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:49:18,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:49:18,684 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:49:18,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:49:18,685 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-26 11:49:18,685 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-26 11:49:18,686 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:49:18,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:49:18,687 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:49:18,688 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:49:18,688 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:49:18,688 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:49:18,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:18,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:49:18,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:49:18,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:49:18,691 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:49:18,691 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:49:18,691 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:49:18,692 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:49:18,692 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:49:18,692 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:49:18,692 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:49:18,693 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_f3de4ac1-0f36-4bc3-b943-931a65bdcb70/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3de4ac1-0f36-4bc3-b943-931a65bdcb70/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 67d3e2c6779f32015be5c9fe966e6a739e1c762dcde7f287ad383839eb490e84 [2023-11-26 11:49:19,066 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:49:19,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:49:19,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:49:19,101 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:49:19,101 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:49:19,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3de4ac1-0f36-4bc3-b943-931a65bdcb70/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/pthread-wmm/safe001_power.oepc.i [2023-11-26 11:49:22,218 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:49:22,519 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:49:22,520 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3de4ac1-0f36-4bc3-b943-931a65bdcb70/sv-benchmarks/c/pthread-wmm/safe001_power.oepc.i [2023-11-26 11:49:22,553 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3de4ac1-0f36-4bc3-b943-931a65bdcb70/bin/uautomizer-verify-VRDe98Ueme/data/55a17bfdd/fa0ce82872a7436789be8c08f7e61c9e/FLAGf4365ef65 [2023-11-26 11:49:22,570 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3de4ac1-0f36-4bc3-b943-931a65bdcb70/bin/uautomizer-verify-VRDe98Ueme/data/55a17bfdd/fa0ce82872a7436789be8c08f7e61c9e [2023-11-26 11:49:22,572 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:49:22,574 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:49:22,576 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:22,576 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:49:22,581 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:49:22,582 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:22" (1/1) ... [2023-11-26 11:49:22,584 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@82941de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:22, skipping insertion in model container [2023-11-26 11:49:22,584 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:49:22" (1/1) ... [2023-11-26 11:49:22,679 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:49:23,311 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:23,322 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:49:23,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:49:23,535 WARN L675 CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:49:23,536 WARN L675 CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler. [2023-11-26 11:49:23,547 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:49:23,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:23 WrapperNode [2023-11-26 11:49:23,548 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:49:23,549 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:23,550 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:49:23,550 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:49:23,559 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:23" (1/1) ... [2023-11-26 11:49:23,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:23" (1/1) ... [2023-11-26 11:49:23,694 INFO L138 Inliner]: procedures = 176, calls = 85, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 796 [2023-11-26 11:49:23,695 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:49:23,696 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:49:23,696 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:49:23,696 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:49:23,714 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:23" (1/1) ... [2023-11-26 11:49:23,714 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:23" (1/1) ... [2023-11-26 11:49:23,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:23" (1/1) ... [2023-11-26 11:49:23,729 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:23" (1/1) ... [2023-11-26 11:49:23,803 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:23" (1/1) ... [2023-11-26 11:49:23,829 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:23" (1/1) ... [2023-11-26 11:49:23,847 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:23" (1/1) ... [2023-11-26 11:49:23,856 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:23" (1/1) ... [2023-11-26 11:49:23,874 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:49:23,878 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:49:23,879 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:49:23,879 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:49:23,880 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:23" (1/1) ... [2023-11-26 11:49:23,886 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:49:23,899 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3de4ac1-0f36-4bc3-b943-931a65bdcb70/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:49:23,921 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3de4ac1-0f36-4bc3-b943-931a65bdcb70/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:49:23,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f3de4ac1-0f36-4bc3-b943-931a65bdcb70/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:49:23,965 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-26 11:49:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-26 11:49:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2023-11-26 11:49:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:49:23,966 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-26 11:49:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-26 11:49:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2023-11-26 11:49:23,968 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2023-11-26 11:49:23,968 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2023-11-26 11:49:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2023-11-26 11:49:23,969 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2023-11-26 11:49:23,969 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2023-11-26 11:49:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-26 11:49:23,971 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2023-11-26 11:49:23,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:49:23,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:49:23,975 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 11:49:24,231 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:49:24,233 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:49:26,717 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:49:46,785 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:49:46,785 INFO L309 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-26 11:49:46,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:46 BoogieIcfgContainer [2023-11-26 11:49:46,787 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:49:46,789 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:49:46,790 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:49:46,793 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:49:46,793 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:49:22" (1/3) ... [2023-11-26 11:49:46,794 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58fa368f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:49:46, skipping insertion in model container [2023-11-26 11:49:46,794 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:49:23" (2/3) ... [2023-11-26 11:49:46,795 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58fa368f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:49:46, skipping insertion in model container [2023-11-26 11:49:46,795 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:49:46" (3/3) ... [2023-11-26 11:49:46,796 INFO L112 eAbstractionObserver]: Analyzing ICFG safe001_power.oepc.i [2023-11-26 11:49:46,807 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-26 11:49:46,816 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:49:46,816 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 448 error locations. [2023-11-26 11:49:46,816 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-26 11:49:48,155 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2023-11-26 11:49:48,209 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 591 places, 584 transitions, 1180 flow [2023-11-26 11:49:49,044 INFO L124 PetriNetUnfolderBase]: 3/581 cut-off events. [2023-11-26 11:49:49,044 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:49:49,067 INFO L83 FinitePrefix]: Finished finitePrefix Result has 591 conditions, 581 events. 3/581 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 149. Compared 4368 event pairs, 0 based on Foata normal form. 0/130 useless extension candidates. Maximal degree in co-relation 528. Up to 2 conditions per place. [2023-11-26 11:49:49,067 INFO L82 GeneralOperation]: Start removeDead. Operand has 591 places, 584 transitions, 1180 flow [2023-11-26 11:49:49,123 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 588 places, 581 transitions, 1171 flow [2023-11-26 11:49:49,134 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:49:49,142 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;@454deda7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:49:49,143 INFO L358 AbstractCegarLoop]: Starting to check reachability of 760 error locations. [2023-11-26 11:49:49,168 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder. [2023-11-26 11:49:49,168 INFO L124 PetriNetUnfolderBase]: 0/60 cut-off events. [2023-11-26 11:49:49,168 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:49:49,169 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:49:49,169 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] [2023-11-26 11:49:49,170 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 756 more)] === [2023-11-26 11:49:49,176 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:49,176 INFO L85 PathProgramCache]: Analyzing trace with hash -141288694, now seen corresponding path program 1 times [2023-11-26 11:49:49,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:49,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [431244623] [2023-11-26 11:49:49,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:49,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:49,749 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 11:49:49,749 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:49,750 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [431244623] [2023-11-26 11:49:49,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [431244623] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:49,751 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:49,751 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2023-11-26 11:49:49,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068366752] [2023-11-26 11:49:49,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:49,764 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:49:49,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:49,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:49:49,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:49:49,814 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 117 out of 584 [2023-11-26 11:49:49,819 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 588 places, 581 transitions, 1171 flow. Second operand has 2 states, 2 states have (on average 118.0) internal successors, (236), 2 states have internal predecessors, (236), 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 11:49:49,820 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:49:49,820 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 117 of 584 [2023-11-26 11:49:49,821 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:49:57,460 INFO L124 PetriNetUnfolderBase]: 875/3763 cut-off events. [2023-11-26 11:49:57,461 INFO L125 PetriNetUnfolderBase]: For 25/25 co-relation queries the response was YES. [2023-11-26 11:49:57,473 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5117 conditions, 3763 events. 875/3763 cut-off events. For 25/25 co-relation queries the response was YES. Maximal size of possible extension queue 147. Compared 37035 event pairs, 875 based on Foata normal form. 272/3763 useless extension candidates. Maximal degree in co-relation 5052. Up to 1300 conditions per place. [2023-11-26 11:49:57,494 INFO L140 encePairwiseOnDemand]: 135/584 looper letters, 17 selfloop transitions, 0 changer transitions 0/129 dead transitions. [2023-11-26 11:49:57,494 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 140 places, 129 transitions, 301 flow [2023-11-26 11:49:57,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:49:57,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2023-11-26 11:49:57,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 700 transitions. [2023-11-26 11:49:57,521 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.5993150684931506 [2023-11-26 11:49:57,522 INFO L72 ComplementDD]: Start complementDD. Operand 2 states and 700 transitions. [2023-11-26 11:49:57,523 INFO L73 IsDeterministic]: Start isDeterministic. Operand 2 states and 700 transitions. [2023-11-26 11:49:57,528 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:49:57,532 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 700 transitions. [2023-11-26 11:49:57,539 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends has 3 states, 2 states have (on average 350.0) internal successors, (700), 2 states have internal predecessors, (700), 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 11:49:57,545 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 3 states, 3 states have (on average 584.0) internal successors, (1752), 3 states have internal predecessors, (1752), 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 11:49:57,548 INFO L81 ComplementDD]: Finished complementDD. Result has 3 states, 3 states have (on average 584.0) internal successors, (1752), 3 states have internal predecessors, (1752), 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 11:49:57,550 INFO L175 Difference]: Start difference. First operand has 588 places, 581 transitions, 1171 flow. Second operand 2 states and 700 transitions. [2023-11-26 11:49:57,551 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 140 places, 129 transitions, 301 flow [2023-11-26 11:49:57,555 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 137 places, 129 transitions, 298 flow, removed 0 selfloop flow, removed 3 redundant places. [2023-11-26 11:49:57,561 INFO L231 Difference]: Finished difference. Result has 137 places, 129 transitions, 264 flow [2023-11-26 11:49:57,563 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=584, PETRI_DIFFERENCE_MINUEND_FLOW=264, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=129, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=129, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=264, PETRI_PLACES=137, PETRI_TRANSITIONS=129} [2023-11-26 11:49:57,567 INFO L281 CegarLoopForPetriNet]: 588 programPoint places, -451 predicate places. [2023-11-26 11:49:57,568 INFO L495 AbstractCegarLoop]: Abstraction has has 137 places, 129 transitions, 264 flow [2023-11-26 11:49:57,569 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 118.0) internal successors, (236), 2 states have internal predecessors, (236), 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 11:49:57,569 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:49:57,569 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] [2023-11-26 11:49:57,570 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:49:57,570 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 756 more)] === [2023-11-26 11:49:57,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:49:57,571 INFO L85 PathProgramCache]: Analyzing trace with hash 1724619276, now seen corresponding path program 1 times [2023-11-26 11:49:57,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:49:57,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186051567] [2023-11-26 11:49:57,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:49:57,572 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:49:57,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:49:57,804 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 11:49:57,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:49:57,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186051567] [2023-11-26 11:49:57,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186051567] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:49:57,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:49:57,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:49:57,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130780759] [2023-11-26 11:49:57,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:49:57,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:49:57,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:49:57,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:49:57,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:49:57,812 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 584 [2023-11-26 11:49:57,813 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 137 places, 129 transitions, 264 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 11:49:57,814 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:49:57,814 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 584 [2023-11-26 11:49:57,814 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2023-11-26 11:50:07,126 INFO L124 PetriNetUnfolderBase]: 1345/5072 cut-off events. [2023-11-26 11:50:07,126 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES. [2023-11-26 11:50:07,151 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7094 conditions, 5072 events. 1345/5072 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 144. Compared 48981 event pairs, 405 based on Foata normal form. 0/4755 useless extension candidates. Maximal degree in co-relation 7091. Up to 1340 conditions per place. [2023-11-26 11:50:07,175 INFO L140 encePairwiseOnDemand]: 582/584 looper letters, 29 selfloop transitions, 1 changer transitions 0/139 dead transitions. [2023-11-26 11:50:07,176 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 138 places, 139 transitions, 344 flow [2023-11-26 11:50:07,178 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:50:07,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2023-11-26 11:50:07,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 373 transitions. [2023-11-26 11:50:07,182 INFO L516 CegarLoopForPetriNet]: DFA transition density 0.21289954337899544 [2023-11-26 11:50:07,182 INFO L72 ComplementDD]: Start complementDD. Operand 3 states and 373 transitions. [2023-11-26 11:50:07,182 INFO L73 IsDeterministic]: Start isDeterministic. Operand 3 states and 373 transitions. [2023-11-26 11:50:07,183 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2023-11-26 11:50:07,183 INFO L117 ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 373 transitions. [2023-11-26 11:50:07,184 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 11:50:07,190 INFO L131 ReachableStatesCopy]: Finished reachableStatesCopy Result has 4 states, 4 states have (on average 584.0) internal successors, (2336), 4 states have internal predecessors, (2336), 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 11:50:07,192 INFO L81 ComplementDD]: Finished complementDD. Result has 4 states, 4 states have (on average 584.0) internal successors, (2336), 4 states have internal predecessors, (2336), 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 11:50:07,193 INFO L175 Difference]: Start difference. First operand has 137 places, 129 transitions, 264 flow. Second operand 3 states and 373 transitions. [2023-11-26 11:50:07,193 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 138 places, 139 transitions, 344 flow [2023-11-26 11:50:07,194 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 138 places, 139 transitions, 344 flow, removed 0 selfloop flow, removed 0 redundant places. [2023-11-26 11:50:07,197 INFO L231 Difference]: Finished difference. Result has 138 places, 128 transitions, 264 flow [2023-11-26 11:50:07,198 INFO L264 CegarLoopForPetriNet]: {PETRI_ALPHABET=584, PETRI_DIFFERENCE_MINUEND_FLOW=262, PETRI_DIFFERENCE_MINUEND_PLACES=136, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=128, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=127, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=264, PETRI_PLACES=138, PETRI_TRANSITIONS=128} [2023-11-26 11:50:07,199 INFO L281 CegarLoopForPetriNet]: 588 programPoint places, -450 predicate places. [2023-11-26 11:50:07,199 INFO L495 AbstractCegarLoop]: Abstraction has has 138 places, 128 transitions, 264 flow [2023-11-26 11:50:07,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has 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 11:50:07,200 INFO L200 CegarLoopForPetriNet]: Found error trace [2023-11-26 11:50:07,200 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] [2023-11-26 11:50:07,201 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:50:07,201 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr138ASSERT_VIOLATIONDATA_RACE === [P0Err0ASSERT_VIOLATIONDATA_RACE, P0Err1ASSERT_VIOLATIONDATA_RACE, P0Err2ASSERT_VIOLATIONDATA_RACE, P0Err3ASSERT_VIOLATIONDATA_RACE (and 756 more)] === [2023-11-26 11:50:07,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:50:07,202 INFO L85 PathProgramCache]: Analyzing trace with hash 838026977, now seen corresponding path program 1 times [2023-11-26 11:50:07,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:50:07,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233902546] [2023-11-26 11:50:07,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:50:07,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:50:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:50:07,714 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 11:50:07,716 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:50:07,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233902546] [2023-11-26 11:50:07,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233902546] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:50:07,717 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:50:07,717 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:50:07,717 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1131700015] [2023-11-26 11:50:07,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:50:07,718 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:50:07,719 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:50:07,719 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:50:07,719 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:50:07,722 INFO L471 CegarLoopForPetriNet]: Number of universal loopers: 114 out of 584 [2023-11-26 11:50:07,723 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 138 places, 128 transitions, 264 flow. Second operand has 3 states, 3 states have (on average 116.66666666666667) internal successors, (350), 3 states have internal predecessors, (350), 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 11:50:07,723 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2023-11-26 11:50:07,724 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 114 of 584 [2023-11-26 11:50:07,724 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand