./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-wmm/mix055.opt.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 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_cbc7cf92-ff17-477a-bad2-75a997140cd9/bin/ugemcutter-verify-v6A4Riy6iL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc7cf92-ff17-477a-bad2-75a997140cd9/bin/ugemcutter-verify-v6A4Riy6iL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc7cf92-ff17-477a-bad2-75a997140cd9/bin/ugemcutter-verify-v6A4Riy6iL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc7cf92-ff17-477a-bad2-75a997140cd9/bin/ugemcutter-verify-v6A4Riy6iL/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix055.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc7cf92-ff17-477a-bad2-75a997140cd9/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-DataRace-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc7cf92-ff17-477a-bad2-75a997140cd9/bin/ugemcutter-verify-v6A4Riy6iL --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a4ebc4444460a05c0fe2d26c6269a3bce4de01cd65e247714c5237856dd0f827 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 12:07:41,537 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 12:07:41,653 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc7cf92-ff17-477a-bad2-75a997140cd9/bin/ugemcutter-verify-v6A4Riy6iL/config/svcomp-DataRace-32bit-GemCutter_Default.epf [2024-11-08 12:07:41,689 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 12:07:41,692 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 12:07:41,738 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 12:07:41,739 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 12:07:41,740 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 12:07:41,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 12:07:41,743 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 12:07:41,744 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 12:07:41,746 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 12:07:41,746 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 12:07:41,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 12:07:41,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 12:07:41,749 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 12:07:41,750 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 12:07:41,751 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 12:07:41,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 12:07:41,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 12:07:41,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 12:07:41,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 12:07:41,756 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-08 12:07:41,756 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 12:07:41,757 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-08 12:07:41,757 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 12:07:41,758 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 12:07:41,758 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 12:07:41,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 12:07:41,759 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 12:07:41,759 INFO L153 SettingsManager]: * To the following directory=./dump/ [2024-11-08 12:07:41,759 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 12:07:41,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:07:41,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 12:07:41,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 12:07:41,761 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 12:07:41,761 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 12:07:41,761 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 12:07:41,762 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 12:07:41,762 INFO L153 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2024-11-08 12:07:41,762 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2024-11-08 12:07:41,765 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2024-11-08 12:07:41,766 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2024-11-08 12:07:41,766 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_cbc7cf92-ff17-477a-bad2-75a997140cd9/bin/ugemcutter-verify-v6A4Riy6iL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc7cf92-ff17-477a-bad2-75a997140cd9/bin/ugemcutter-verify-v6A4Riy6iL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a4ebc4444460a05c0fe2d26c6269a3bce4de01cd65e247714c5237856dd0f827 [2024-11-08 12:07:42,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 12:07:42,137 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 12:07:42,141 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 12:07:42,142 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 12:07:42,143 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 12:07:42,144 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc7cf92-ff17-477a-bad2-75a997140cd9/bin/ugemcutter-verify-v6A4Riy6iL/../../sv-benchmarks/c/pthread-wmm/mix055.opt.i Unable to find full path for "g++" [2024-11-08 12:07:44,163 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 12:07:44,452 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 12:07:44,453 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc7cf92-ff17-477a-bad2-75a997140cd9/sv-benchmarks/c/pthread-wmm/mix055.opt.i [2024-11-08 12:07:44,474 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc7cf92-ff17-477a-bad2-75a997140cd9/bin/ugemcutter-verify-v6A4Riy6iL/data/221b1d5a6/a009c4f22d3944bc94697f43b71bd797/FLAG2824ac9e3 [2024-11-08 12:07:44,499 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc7cf92-ff17-477a-bad2-75a997140cd9/bin/ugemcutter-verify-v6A4Riy6iL/data/221b1d5a6/a009c4f22d3944bc94697f43b71bd797 [2024-11-08 12:07:44,501 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 12:07:44,503 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 12:07:44,504 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 12:07:44,504 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 12:07:44,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 12:07:44,514 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:07:44" (1/1) ... [2024-11-08 12:07:44,518 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5794a5a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:07:44, skipping insertion in model container [2024-11-08 12:07:44,518 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 12:07:44" (1/1) ... [2024-11-08 12:07:44,580 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 12:07:45,282 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:07:45,303 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 12:07:45,454 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 12:07:45,516 INFO L204 MainTranslator]: Completed translation [2024-11-08 12:07:45,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:07:45 WrapperNode [2024-11-08 12:07:45,518 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 12:07:45,519 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 12:07:45,519 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 12:07:45,520 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 12:07:45,530 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:07:45" (1/1) ... [2024-11-08 12:07:45,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:07:45" (1/1) ... [2024-11-08 12:07:45,650 INFO L138 Inliner]: procedures = 176, calls = 52, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 947 [2024-11-08 12:07:45,650 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 12:07:45,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 12:07:45,651 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 12:07:45,651 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 12:07:45,671 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:07:45" (1/1) ... [2024-11-08 12:07:45,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:07:45" (1/1) ... [2024-11-08 12:07:45,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:07:45" (1/1) ... [2024-11-08 12:07:45,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:07:45" (1/1) ... [2024-11-08 12:07:45,697 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:07:45" (1/1) ... [2024-11-08 12:07:45,715 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:07:45" (1/1) ... [2024-11-08 12:07:45,719 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:07:45" (1/1) ... [2024-11-08 12:07:45,730 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:07:45" (1/1) ... [2024-11-08 12:07:45,744 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 12:07:45,745 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 12:07:45,749 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 12:07:45,749 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 12:07:45,750 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:07:45" (1/1) ... [2024-11-08 12:07:45,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-08 12:07:45,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc7cf92-ff17-477a-bad2-75a997140cd9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:07:45,785 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc7cf92-ff17-477a-bad2-75a997140cd9/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-08 12:07:45,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc7cf92-ff17-477a-bad2-75a997140cd9/bin/ugemcutter-verify-v6A4Riy6iL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-08 12:07:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-08 12:07:45,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 12:07:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2024-11-08 12:07:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2024-11-08 12:07:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2024-11-08 12:07:45,822 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2024-11-08 12:07:45,822 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2024-11-08 12:07:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2024-11-08 12:07:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure P3 [2024-11-08 12:07:45,823 INFO L138 BoogieDeclarations]: Found implementation of procedure P3 [2024-11-08 12:07:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 12:07:45,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-08 12:07:45,824 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 12:07:45,824 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 12:07:45,828 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-08 12:07:46,045 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 12:07:46,050 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 12:07:48,082 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-08 12:07:48,083 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 12:07:53,789 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 12:07:53,789 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 12:07:53,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:07:53 BoogieIcfgContainer [2024-11-08 12:07:53,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 12:07:53,796 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 12:07:53,796 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 12:07:53,800 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 12:07:53,801 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 12:07:44" (1/3) ... [2024-11-08 12:07:53,802 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b21816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:07:53, skipping insertion in model container [2024-11-08 12:07:53,803 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 12:07:45" (2/3) ... [2024-11-08 12:07:53,803 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b21816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 12:07:53, skipping insertion in model container [2024-11-08 12:07:53,805 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 12:07:53" (3/3) ... [2024-11-08 12:07:53,807 INFO L112 eAbstractionObserver]: Analyzing ICFG mix055.opt.i [2024-11-08 12:07:53,834 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 12:07:53,834 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 223 error locations. [2024-11-08 12:07:53,835 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-08 12:07:54,114 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2024-11-08 12:07:54,225 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:07:54,226 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2024-11-08 12:07:54,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc7cf92-ff17-477a-bad2-75a997140cd9/bin/ugemcutter-verify-v6A4Riy6iL/z3 [2024-11-08 12:07:54,229 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc7cf92-ff17-477a-bad2-75a997140cd9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2024-11-08 12:07:54,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cbc7cf92-ff17-477a-bad2-75a997140cd9/bin/ugemcutter-verify-v6A4Riy6iL/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2024-11-08 12:07:54,292 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:07:54,309 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P2Thread1of1ForFork1 ======== [2024-11-08 12:07:54,318 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@4717a9f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:07:54,319 INFO L334 AbstractCegarLoop]: Starting to check reachability of 32 error locations. [2024-11-08 12:08:56,029 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P2Err0ASSERT_VIOLATIONDATA_RACE === [P2Err0ASSERT_VIOLATIONDATA_RACE, P2Err1ASSERT_VIOLATIONDATA_RACE, P2Err2ASSERT_VIOLATIONDATA_RACE, P2Err3ASSERT_VIOLATIONDATA_RACE (and 28 more)] === [2024-11-08 12:08:56,035 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:08:56,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1822433709, now seen corresponding path program 1 times [2024-11-08 12:08:56,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:08:56,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687384079] [2024-11-08 12:08:56,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:08:56,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:08:56,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:08:56,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:08:56,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:08:56,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687384079] [2024-11-08 12:08:56,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687384079] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:08:56,290 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:08:56,290 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:08:56,292 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [346321105] [2024-11-08 12:08:56,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:08:56,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:08:56,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:08:56,333 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:08:56,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:08:56,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:08:56,352 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:08:56,353 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 31.0) internal successors, (62), 2 states have internal predecessors, (62), 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) [2024-11-08 12:08:56,354 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:11:15,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:11:15,681 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONDATA_RACE (31 of 32 remaining) [2024-11-08 12:11:15,682 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONDATA_RACE (30 of 32 remaining) [2024-11-08 12:11:15,683 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err2ASSERT_VIOLATIONDATA_RACE (29 of 32 remaining) [2024-11-08 12:11:15,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err3ASSERT_VIOLATIONDATA_RACE (28 of 32 remaining) [2024-11-08 12:11:15,684 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err5ASSERT_VIOLATIONDATA_RACE (27 of 32 remaining) [2024-11-08 12:11:15,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err6ASSERT_VIOLATIONDATA_RACE (26 of 32 remaining) [2024-11-08 12:11:15,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err8ASSERT_VIOLATIONDATA_RACE (25 of 32 remaining) [2024-11-08 12:11:15,685 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err7ASSERT_VIOLATIONDATA_RACE (24 of 32 remaining) [2024-11-08 12:11:15,686 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err4ASSERT_VIOLATIONDATA_RACE (23 of 32 remaining) [2024-11-08 12:11:15,687 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err9ASSERT_VIOLATIONDATA_RACE (22 of 32 remaining) [2024-11-08 12:11:15,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err10ASSERT_VIOLATIONDATA_RACE (21 of 32 remaining) [2024-11-08 12:11:15,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err11ASSERT_VIOLATIONDATA_RACE (20 of 32 remaining) [2024-11-08 12:11:15,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err12ASSERT_VIOLATIONDATA_RACE (19 of 32 remaining) [2024-11-08 12:11:15,688 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err13ASSERT_VIOLATIONDATA_RACE (18 of 32 remaining) [2024-11-08 12:11:15,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err14ASSERT_VIOLATIONDATA_RACE (17 of 32 remaining) [2024-11-08 12:11:15,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err15ASSERT_VIOLATIONDATA_RACE (16 of 32 remaining) [2024-11-08 12:11:15,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err16ASSERT_VIOLATIONDATA_RACE (15 of 32 remaining) [2024-11-08 12:11:15,689 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err17ASSERT_VIOLATIONDATA_RACE (14 of 32 remaining) [2024-11-08 12:11:15,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err18ASSERT_VIOLATIONDATA_RACE (13 of 32 remaining) [2024-11-08 12:11:15,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err19ASSERT_VIOLATIONDATA_RACE (12 of 32 remaining) [2024-11-08 12:11:15,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err20ASSERT_VIOLATIONDATA_RACE (11 of 32 remaining) [2024-11-08 12:11:15,690 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err21ASSERT_VIOLATIONDATA_RACE (10 of 32 remaining) [2024-11-08 12:11:15,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err22ASSERT_VIOLATIONDATA_RACE (9 of 32 remaining) [2024-11-08 12:11:15,692 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err23ASSERT_VIOLATIONDATA_RACE (8 of 32 remaining) [2024-11-08 12:11:15,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err24ASSERT_VIOLATIONDATA_RACE (7 of 32 remaining) [2024-11-08 12:11:15,693 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err25ASSERT_VIOLATIONDATA_RACE (6 of 32 remaining) [2024-11-08 12:11:15,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err26ASSERT_VIOLATIONDATA_RACE (5 of 32 remaining) [2024-11-08 12:11:15,695 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err27ASSERT_VIOLATIONDATA_RACE (4 of 32 remaining) [2024-11-08 12:11:15,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err28ASSERT_VIOLATIONDATA_RACE (3 of 32 remaining) [2024-11-08 12:11:15,696 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err29ASSERT_VIOLATIONDATA_RACE (2 of 32 remaining) [2024-11-08 12:11:15,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err30ASSERT_VIOLATIONDATA_RACE (1 of 32 remaining) [2024-11-08 12:11:15,697 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err31ASSERT_VIOLATIONDATA_RACE (0 of 32 remaining) [2024-11-08 12:11:15,698 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 12:11:15,712 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 12:11:15,718 INFO L317 ceAbstractionStarter]: Result for error location P2Thread1of1ForFork1 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (1/5) [2024-11-08 12:11:15,729 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:11:15,736 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:11:15,741 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P3Thread1of1ForFork3 ======== [2024-11-08 12:11:15,742 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@4717a9f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:11:15,742 INFO L334 AbstractCegarLoop]: Starting to check reachability of 51 error locations. [2024-11-08 12:12:05,035 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P3Err0ASSERT_VIOLATIONDATA_RACE === [P3Err0ASSERT_VIOLATIONDATA_RACE, P3Err1ASSERT_VIOLATIONDATA_RACE, P3Err2ASSERT_VIOLATIONDATA_RACE, P3Err3ASSERT_VIOLATIONDATA_RACE (and 47 more)] === [2024-11-08 12:12:05,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:12:05,037 INFO L85 PathProgramCache]: Analyzing trace with hash -1889699162, now seen corresponding path program 1 times [2024-11-08 12:12:05,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:12:05,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75318851] [2024-11-08 12:12:05,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:12:05,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:12:05,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:12:05,133 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:12:05,133 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:12:05,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75318851] [2024-11-08 12:12:05,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75318851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:12:05,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:12:05,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:12:05,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884905844] [2024-11-08 12:12:05,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:12:05,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:12:05,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:12:05,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:12:05,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:12:05,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:12:05,138 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:12:05,139 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 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) [2024-11-08 12:12:05,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:16:23,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:16:23,440 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err0ASSERT_VIOLATIONDATA_RACE (50 of 51 remaining) [2024-11-08 12:16:23,441 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err1ASSERT_VIOLATIONDATA_RACE (49 of 51 remaining) [2024-11-08 12:16:23,441 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err2ASSERT_VIOLATIONDATA_RACE (48 of 51 remaining) [2024-11-08 12:16:23,441 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err3ASSERT_VIOLATIONDATA_RACE (47 of 51 remaining) [2024-11-08 12:16:23,442 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err4ASSERT_VIOLATIONDATA_RACE (46 of 51 remaining) [2024-11-08 12:16:23,442 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err5ASSERT_VIOLATIONDATA_RACE (45 of 51 remaining) [2024-11-08 12:16:23,442 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err6ASSERT_VIOLATIONDATA_RACE (44 of 51 remaining) [2024-11-08 12:16:23,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err7ASSERT_VIOLATIONDATA_RACE (43 of 51 remaining) [2024-11-08 12:16:23,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err8ASSERT_VIOLATIONDATA_RACE (42 of 51 remaining) [2024-11-08 12:16:23,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err9ASSERT_VIOLATIONDATA_RACE (41 of 51 remaining) [2024-11-08 12:16:23,443 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err10ASSERT_VIOLATIONDATA_RACE (40 of 51 remaining) [2024-11-08 12:16:23,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err11ASSERT_VIOLATIONDATA_RACE (39 of 51 remaining) [2024-11-08 12:16:23,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err12ASSERT_VIOLATIONDATA_RACE (38 of 51 remaining) [2024-11-08 12:16:23,444 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err13ASSERT_VIOLATIONDATA_RACE (37 of 51 remaining) [2024-11-08 12:16:23,445 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err14ASSERT_VIOLATIONDATA_RACE (36 of 51 remaining) [2024-11-08 12:16:23,445 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err15ASSERT_VIOLATIONDATA_RACE (35 of 51 remaining) [2024-11-08 12:16:23,445 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err16ASSERT_VIOLATIONDATA_RACE (34 of 51 remaining) [2024-11-08 12:16:23,445 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err17ASSERT_VIOLATIONDATA_RACE (33 of 51 remaining) [2024-11-08 12:16:23,445 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err18ASSERT_VIOLATIONDATA_RACE (32 of 51 remaining) [2024-11-08 12:16:23,446 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err19ASSERT_VIOLATIONDATA_RACE (31 of 51 remaining) [2024-11-08 12:16:23,448 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err20ASSERT_VIOLATIONDATA_RACE (30 of 51 remaining) [2024-11-08 12:16:23,448 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err21ASSERT_VIOLATIONDATA_RACE (29 of 51 remaining) [2024-11-08 12:16:23,448 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err22ASSERT_VIOLATIONDATA_RACE (28 of 51 remaining) [2024-11-08 12:16:23,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err24ASSERT_VIOLATIONDATA_RACE (27 of 51 remaining) [2024-11-08 12:16:23,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err25ASSERT_VIOLATIONDATA_RACE (26 of 51 remaining) [2024-11-08 12:16:23,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err27ASSERT_VIOLATIONDATA_RACE (25 of 51 remaining) [2024-11-08 12:16:23,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err26ASSERT_VIOLATIONDATA_RACE (24 of 51 remaining) [2024-11-08 12:16:23,449 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err23ASSERT_VIOLATIONDATA_RACE (23 of 51 remaining) [2024-11-08 12:16:23,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err28ASSERT_VIOLATIONDATA_RACE (22 of 51 remaining) [2024-11-08 12:16:23,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err29ASSERT_VIOLATIONDATA_RACE (21 of 51 remaining) [2024-11-08 12:16:23,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err30ASSERT_VIOLATIONDATA_RACE (20 of 51 remaining) [2024-11-08 12:16:23,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err31ASSERT_VIOLATIONDATA_RACE (19 of 51 remaining) [2024-11-08 12:16:23,450 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err32ASSERT_VIOLATIONDATA_RACE (18 of 51 remaining) [2024-11-08 12:16:23,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err33ASSERT_VIOLATIONDATA_RACE (17 of 51 remaining) [2024-11-08 12:16:23,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err34ASSERT_VIOLATIONDATA_RACE (16 of 51 remaining) [2024-11-08 12:16:23,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err35ASSERT_VIOLATIONDATA_RACE (15 of 51 remaining) [2024-11-08 12:16:23,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err36ASSERT_VIOLATIONDATA_RACE (14 of 51 remaining) [2024-11-08 12:16:23,451 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err37ASSERT_VIOLATIONDATA_RACE (13 of 51 remaining) [2024-11-08 12:16:23,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err38ASSERT_VIOLATIONDATA_RACE (12 of 51 remaining) [2024-11-08 12:16:23,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err39ASSERT_VIOLATIONDATA_RACE (11 of 51 remaining) [2024-11-08 12:16:23,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err40ASSERT_VIOLATIONDATA_RACE (10 of 51 remaining) [2024-11-08 12:16:23,452 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err41ASSERT_VIOLATIONDATA_RACE (9 of 51 remaining) [2024-11-08 12:16:23,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err42ASSERT_VIOLATIONDATA_RACE (8 of 51 remaining) [2024-11-08 12:16:23,455 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err43ASSERT_VIOLATIONDATA_RACE (7 of 51 remaining) [2024-11-08 12:16:23,456 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err44ASSERT_VIOLATIONDATA_RACE (6 of 51 remaining) [2024-11-08 12:16:23,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err45ASSERT_VIOLATIONDATA_RACE (5 of 51 remaining) [2024-11-08 12:16:23,459 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err46ASSERT_VIOLATIONDATA_RACE (4 of 51 remaining) [2024-11-08 12:16:23,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err47ASSERT_VIOLATIONDATA_RACE (3 of 51 remaining) [2024-11-08 12:16:23,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err48ASSERT_VIOLATIONDATA_RACE (2 of 51 remaining) [2024-11-08 12:16:23,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err49ASSERT_VIOLATIONDATA_RACE (1 of 51 remaining) [2024-11-08 12:16:23,460 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P3Err50ASSERT_VIOLATIONDATA_RACE (0 of 51 remaining) [2024-11-08 12:16:23,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 12:16:23,464 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 12:16:23,469 INFO L317 ceAbstractionStarter]: Result for error location P3Thread1of1ForFork3 was SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE,SAFE (2/5) [2024-11-08 12:16:23,478 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:16:23,481 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:16:23,481 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == P1Thread1of1ForFork0 ======== [2024-11-08 12:16:23,482 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@4717a9f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:16:23,482 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2024-11-08 12:17:20,992 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P1Err0ASSERT_VIOLATIONDATA_RACE === [P1Err0ASSERT_VIOLATIONDATA_RACE, P1Err1ASSERT_VIOLATIONDATA_RACE, P1Err2ASSERT_VIOLATIONDATA_RACE, P1Err3ASSERT_VIOLATIONDATA_RACE (and 1 more)] === [2024-11-08 12:17:20,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:17:20,993 INFO L85 PathProgramCache]: Analyzing trace with hash 547800040, now seen corresponding path program 1 times [2024-11-08 12:17:20,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:17:20,993 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648131315] [2024-11-08 12:17:20,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:17:20,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:17:21,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:17:21,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:17:21,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:17:21,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648131315] [2024-11-08 12:17:21,095 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648131315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:17:21,095 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:17:21,095 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:17:21,095 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042176312] [2024-11-08 12:17:21,096 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:17:21,096 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:17:21,096 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:17:21,097 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:17:21,097 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:17:21,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:17:21,102 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:17:21,103 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 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) [2024-11-08 12:17:21,103 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:18:46,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:18:46,120 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONDATA_RACE (4 of 5 remaining) [2024-11-08 12:18:46,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONDATA_RACE (3 of 5 remaining) [2024-11-08 12:18:46,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err2ASSERT_VIOLATIONDATA_RACE (2 of 5 remaining) [2024-11-08 12:18:46,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err3ASSERT_VIOLATIONDATA_RACE (1 of 5 remaining) [2024-11-08 12:18:46,121 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err4ASSERT_VIOLATIONDATA_RACE (0 of 5 remaining) [2024-11-08 12:18:46,122 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 12:18:46,125 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-08 12:18:46,125 INFO L317 ceAbstractionStarter]: Result for error location P1Thread1of1ForFork0 was SAFE,SAFE,SAFE,SAFE,SAFE (3/5) [2024-11-08 12:18:46,129 INFO L107 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=VARIABLES_GLOBAL, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:18:46,131 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations. [2024-11-08 12:18:46,131 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2024-11-08 12:18:46,132 INFO L333 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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@4717a9f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 12:18:46,132 INFO L334 AbstractCegarLoop]: Starting to check reachability of 135 error locations. [2024-11-08 12:18:48,056 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 132 more)] === [2024-11-08 12:18:48,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:18:48,057 INFO L85 PathProgramCache]: Analyzing trace with hash -1591320484, now seen corresponding path program 1 times [2024-11-08 12:18:48,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:18:48,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322060782] [2024-11-08 12:18:48,057 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:18:48,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:18:48,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:18:48,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:18:48,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:18:48,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322060782] [2024-11-08 12:18:48,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322060782] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:18:48,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:18:48,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-08 12:18:48,159 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078908698] [2024-11-08 12:18:48,159 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:18:48,159 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 12:18:48,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:18:48,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 12:18:48,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 12:18:48,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:18:48,166 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:18:48,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 66.0) internal successors, (66), 2 states have internal predecessors, (66), 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) [2024-11-08 12:18:48,168 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:18:48,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:18:48,202 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 12:18:48,202 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 132 more)] === [2024-11-08 12:18:48,203 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 12:18:48,203 INFO L85 PathProgramCache]: Analyzing trace with hash -250401897, now seen corresponding path program 1 times [2024-11-08 12:18:48,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 12:18:48,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869991634] [2024-11-08 12:18:48,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 12:18:48,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 12:18:48,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 12:18:48,322 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 12:18:48,322 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 12:18:48,322 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869991634] [2024-11-08 12:18:48,322 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869991634] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 12:18:48,323 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 12:18:48,323 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 12:18:48,323 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1410818291] [2024-11-08 12:18:48,323 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 12:18:48,324 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 12:18:48,324 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 12:18:48,325 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 12:18:48,325 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 12:18:48,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:18:48,332 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2024-11-08 12:18:48,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 34.0) internal successors, (68), 3 states have internal predecessors, (68), 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) [2024-11-08 12:18:48,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2024-11-08 12:18:48,335 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.