./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9808ed0-a49d-4a8f-a1e8-d65b33324626/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9808ed0-a49d-4a8f-a1e8-d65b33324626/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9808ed0-a49d-4a8f-a1e8-d65b33324626/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9808ed0-a49d-4a8f-a1e8-d65b33324626/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9808ed0-a49d-4a8f-a1e8-d65b33324626/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9808ed0-a49d-4a8f-a1e8-d65b33324626/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b30bad195dde021066febd52c7985271e0448c265b66e6efcbd9c3306420e73 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:07:11,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:07:11,427 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9808ed0-a49d-4a8f-a1e8-d65b33324626/bin/utaipan-verify-YMUCfTKeje/config/svcomp-DataRace-32bit-Taipan_Default.epf [2024-11-09 06:07:11,435 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:07:11,437 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:07:11,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:07:11,476 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:07:11,477 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:07:11,478 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:07:11,479 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:07:11,480 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:07:11,481 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:07:11,481 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:07:11,482 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:07:11,482 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:07:11,486 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:07:11,487 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:07:11,487 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:07:11,488 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:07:11,488 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:07:11,488 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:07:11,489 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:07:11,489 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:07:11,490 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:07:11,490 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:07:11,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:07:11,491 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:07:11,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:07:11,491 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:07:11,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:07:11,492 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:07:11,492 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2024-11-09 06:07:11,492 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:07:11,493 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 06:07:11,493 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:07:11,493 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:07:11,493 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:07:11,494 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:07:11,494 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:07:11,494 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:07:11,495 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:07:11,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:07:11,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:07:11,497 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:07:11,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:07:11,498 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:07:11,498 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:07:11,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:07:11,499 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_f9808ed0-a49d-4a8f-a1e8-d65b33324626/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9808ed0-a49d-4a8f-a1e8-d65b33324626/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b30bad195dde021066febd52c7985271e0448c265b66e6efcbd9c3306420e73 [2024-11-09 06:07:11,778 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:07:11,829 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:07:11,833 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:07:11,835 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:07:11,835 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:07:11,837 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9808ed0-a49d-4a8f-a1e8-d65b33324626/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c Unable to find full path for "g++" [2024-11-09 06:07:14,003 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:07:14,208 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:07:14,209 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9808ed0-a49d-4a8f-a1e8-d65b33324626/sv-benchmarks/c/weaver/popl20-bad-threaded-sum-2.wvr.c [2024-11-09 06:07:14,227 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9808ed0-a49d-4a8f-a1e8-d65b33324626/bin/utaipan-verify-YMUCfTKeje/data/82227a817/a291034d39e5483a8f62ba4bd914326a/FLAGe9f937d3b [2024-11-09 06:07:14,245 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9808ed0-a49d-4a8f-a1e8-d65b33324626/bin/utaipan-verify-YMUCfTKeje/data/82227a817/a291034d39e5483a8f62ba4bd914326a [2024-11-09 06:07:14,249 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:07:14,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:07:14,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:07:14,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:07:14,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:07:14,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:07:14" (1/1) ... [2024-11-09 06:07:14,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44dc6bd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:07:14, skipping insertion in model container [2024-11-09 06:07:14,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:07:14" (1/1) ... [2024-11-09 06:07:14,292 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:07:14,541 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:07:14,550 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:07:14,575 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:07:14,596 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:07:14,597 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:07:14 WrapperNode [2024-11-09 06:07:14,597 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:07:14,598 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:07:14,598 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:07:14,599 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:07:14,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:07:14" (1/1) ... [2024-11-09 06:07:14,615 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:07:14" (1/1) ... [2024-11-09 06:07:14,640 INFO L138 Inliner]: procedures = 20, calls = 25, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 84 [2024-11-09 06:07:14,643 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:07:14,644 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:07:14,644 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:07:14,644 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:07:14,653 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:07:14" (1/1) ... [2024-11-09 06:07:14,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:07:14" (1/1) ... [2024-11-09 06:07:14,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:07:14" (1/1) ... [2024-11-09 06:07:14,657 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:07:14" (1/1) ... [2024-11-09 06:07:14,663 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:07:14" (1/1) ... [2024-11-09 06:07:14,667 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:07:14" (1/1) ... [2024-11-09 06:07:14,669 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:07:14" (1/1) ... [2024-11-09 06:07:14,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:07:14" (1/1) ... [2024-11-09 06:07:14,673 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:07:14,675 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:07:14,675 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:07:14,675 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:07:14,676 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:07:14" (1/1) ... [2024-11-09 06:07:14,689 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:07:14,700 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9808ed0-a49d-4a8f-a1e8-d65b33324626/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:07:14,713 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9808ed0-a49d-4a8f-a1e8-d65b33324626/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:07:14,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9808ed0-a49d-4a8f-a1e8-d65b33324626/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:07:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:07:14,744 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2024-11-09 06:07:14,745 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2024-11-09 06:07:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2024-11-09 06:07:14,745 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2024-11-09 06:07:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:07:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2024-11-09 06:07:14,745 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2024-11-09 06:07:14,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:07:14,746 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:07:14,748 WARN L207 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement. [2024-11-09 06:07:14,920 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:07:14,923 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:07:15,407 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program. [2024-11-09 06:07:15,408 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 06:07:15,631 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 06:07:15,631 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-09 06:07:15,632 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:07:15 BoogieIcfgContainer [2024-11-09 06:07:15,632 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 06:07:15,634 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 06:07:15,635 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 06:07:15,639 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 06:07:15,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 06:07:14" (1/3) ... [2024-11-09 06:07:15,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d48f8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:07:15, skipping insertion in model container [2024-11-09 06:07:15,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:07:14" (2/3) ... [2024-11-09 06:07:15,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d48f8b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 06:07:15, skipping insertion in model container [2024-11-09 06:07:15,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:07:15" (3/3) ... [2024-11-09 06:07:15,647 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-bad-threaded-sum-2.wvr.c [2024-11-09 06:07:15,669 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 06:07:15,669 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2024-11-09 06:07:15,669 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2024-11-09 06:07:15,754 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2024-11-09 06:07:15,794 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 145 places, 146 transitions, 306 flow [2024-11-09 06:07:15,938 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1067 states, 987 states have (on average 2.8328267477203646) internal successors, (2796), 1066 states have internal predecessors, (2796), 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) [2024-11-09 06:07:15,978 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 06:07:15,988 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=FINITE_AUTOMATA, 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;@13217f1d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 06:07:15,989 INFO L334 AbstractCegarLoop]: Starting to check reachability of 43 error locations. [2024-11-09 06:07:15,995 INFO L276 IsEmpty]: Start isEmpty. Operand has 1067 states, 987 states have (on average 2.8328267477203646) internal successors, (2796), 1066 states have internal predecessors, (2796), 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) [2024-11-09 06:07:16,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 06:07:16,002 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:07:16,003 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:07:16,003 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2024-11-09 06:07:16,009 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:07:16,011 INFO L85 PathProgramCache]: Analyzing trace with hash -715216462, now seen corresponding path program 1 times [2024-11-09 06:07:16,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:07:16,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679531894] [2024-11-09 06:07:16,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:07:16,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:07:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:07:16,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:07:16,204 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:07:16,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679531894] [2024-11-09 06:07:16,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679531894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:07:16,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:07:16,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:07:16,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [688705635] [2024-11-09 06:07:16,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:07:16,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:07:16,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:07:16,239 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:07:16,240 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:07:16,246 INFO L87 Difference]: Start difference. First operand has 1067 states, 987 states have (on average 2.8328267477203646) internal successors, (2796), 1066 states have internal predecessors, (2796), 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) Second operand has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-09 06:07:16,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:07:16,379 INFO L93 Difference]: Finished difference Result 1417 states and 4252 transitions. [2024-11-09 06:07:16,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:07:16,382 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) Word has length 20 [2024-11-09 06:07:16,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:07:16,408 INFO L225 Difference]: With dead ends: 1417 [2024-11-09 06:07:16,408 INFO L226 Difference]: Without dead ends: 411 [2024-11-09 06:07:16,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:07:16,423 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 2 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:07:16,427 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 183 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:07:16,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 411 states. [2024-11-09 06:07:16,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 411 to 411. [2024-11-09 06:07:16,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 401 states have (on average 2.5586034912718203) internal successors, (1026), 410 states have internal predecessors, (1026), 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) [2024-11-09 06:07:16,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 1026 transitions. [2024-11-09 06:07:16,507 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 1026 transitions. Word has length 20 [2024-11-09 06:07:16,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:07:16,508 INFO L471 AbstractCegarLoop]: Abstraction has 411 states and 1026 transitions. [2024-11-09 06:07:16,509 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.0) internal successors, (20), 3 states have internal predecessors, (20), 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) [2024-11-09 06:07:16,509 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 1026 transitions. [2024-11-09 06:07:16,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-09 06:07:16,510 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:07:16,510 INFO L215 NwaCegarLoop]: 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] [2024-11-09 06:07:16,510 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 06:07:16,511 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2024-11-09 06:07:16,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:07:16,511 INFO L85 PathProgramCache]: Analyzing trace with hash -938570504, now seen corresponding path program 1 times [2024-11-09 06:07:16,512 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:07:16,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867176463] [2024-11-09 06:07:16,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:07:16,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:07:16,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:07:16,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:07:16,582 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:07:16,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867176463] [2024-11-09 06:07:16,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867176463] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:07:16,582 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:07:16,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:07:16,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861703840] [2024-11-09 06:07:16,583 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:07:16,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:07:16,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:07:16,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:07:16,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:07:16,590 INFO L87 Difference]: Start difference. First operand 411 states and 1026 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-09 06:07:16,663 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:07:16,664 INFO L93 Difference]: Finished difference Result 411 states and 1026 transitions. [2024-11-09 06:07:16,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:07:16,665 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) Word has length 27 [2024-11-09 06:07:16,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:07:16,671 INFO L225 Difference]: With dead ends: 411 [2024-11-09 06:07:16,671 INFO L226 Difference]: Without dead ends: 410 [2024-11-09 06:07:16,672 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:07:16,674 INFO L432 NwaCegarLoop]: 95 mSDtfsCounter, 2 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:07:16,675 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 179 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:07:16,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-11-09 06:07:16,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 410. [2024-11-09 06:07:16,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 401 states have (on average 2.5561097256857854) internal successors, (1025), 409 states have internal predecessors, (1025), 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) [2024-11-09 06:07:16,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 1025 transitions. [2024-11-09 06:07:16,725 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 1025 transitions. Word has length 27 [2024-11-09 06:07:16,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:07:16,726 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 1025 transitions. [2024-11-09 06:07:16,726 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-09 06:07:16,728 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 1025 transitions. [2024-11-09 06:07:16,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 06:07:16,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:07:16,731 INFO L215 NwaCegarLoop]: 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] [2024-11-09 06:07:16,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 06:07:16,731 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2024-11-09 06:07:16,732 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:07:16,732 INFO L85 PathProgramCache]: Analyzing trace with hash -733347269, now seen corresponding path program 1 times [2024-11-09 06:07:16,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:07:16,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [247068368] [2024-11-09 06:07:16,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:07:16,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:07:16,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:07:16,830 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:07:16,831 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:07:16,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [247068368] [2024-11-09 06:07:16,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [247068368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:07:16,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:07:16,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:07:16,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703465597] [2024-11-09 06:07:16,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:07:16,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:07:16,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:07:16,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:07:16,835 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:07:16,835 INFO L87 Difference]: Start difference. First operand 410 states and 1025 transitions. Second operand has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-09 06:07:16,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:07:16,933 INFO L93 Difference]: Finished difference Result 643 states and 1698 transitions. [2024-11-09 06:07:16,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:07:16,934 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) Word has length 31 [2024-11-09 06:07:16,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:07:16,941 INFO L225 Difference]: With dead ends: 643 [2024-11-09 06:07:16,941 INFO L226 Difference]: Without dead ends: 641 [2024-11-09 06:07:16,942 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:07:16,943 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 70 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 06:07:16,944 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 148 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 06:07:16,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 641 states. [2024-11-09 06:07:16,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 641 to 408. [2024-11-09 06:07:16,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 401 states have (on average 2.5511221945137157) internal successors, (1023), 407 states have internal predecessors, (1023), 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) [2024-11-09 06:07:17,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 1023 transitions. [2024-11-09 06:07:17,017 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 1023 transitions. Word has length 31 [2024-11-09 06:07:17,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:07:17,020 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 1023 transitions. [2024-11-09 06:07:17,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.5) internal successors, (31), 3 states have internal predecessors, (31), 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) [2024-11-09 06:07:17,020 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 1023 transitions. [2024-11-09 06:07:17,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-09 06:07:17,021 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:07:17,021 INFO L215 NwaCegarLoop]: 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] [2024-11-09 06:07:17,022 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 06:07:17,022 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2024-11-09 06:07:17,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:07:17,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1080614913, now seen corresponding path program 1 times [2024-11-09 06:07:17,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:07:17,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381846601] [2024-11-09 06:07:17,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:07:17,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:07:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:07:17,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:07:17,069 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:07:17,069 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381846601] [2024-11-09 06:07:17,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381846601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:07:17,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:07:17,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:07:17,070 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321909486] [2024-11-09 06:07:17,070 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:07:17,071 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:07:17,071 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:07:17,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:07:17,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:07:17,072 INFO L87 Difference]: Start difference. First operand 408 states and 1023 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-09 06:07:17,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:07:17,132 INFO L93 Difference]: Finished difference Result 408 states and 1023 transitions. [2024-11-09 06:07:17,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:07:17,133 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) Word has length 35 [2024-11-09 06:07:17,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:07:17,137 INFO L225 Difference]: With dead ends: 408 [2024-11-09 06:07:17,137 INFO L226 Difference]: Without dead ends: 407 [2024-11-09 06:07:17,137 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:07:17,139 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 1 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:07:17,140 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 177 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:07:17,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 407 states. [2024-11-09 06:07:17,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 407 to 407. [2024-11-09 06:07:17,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 401 states have (on average 2.548628428927681) internal successors, (1022), 406 states have internal predecessors, (1022), 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) [2024-11-09 06:07:17,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 1022 transitions. [2024-11-09 06:07:17,165 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 1022 transitions. Word has length 35 [2024-11-09 06:07:17,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:07:17,166 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 1022 transitions. [2024-11-09 06:07:17,166 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-09 06:07:17,166 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 1022 transitions. [2024-11-09 06:07:17,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2024-11-09 06:07:17,169 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:07:17,169 INFO L215 NwaCegarLoop]: 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] [2024-11-09 06:07:17,170 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-09 06:07:17,170 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2024-11-09 06:07:17,170 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:07:17,171 INFO L85 PathProgramCache]: Analyzing trace with hash -1818506190, now seen corresponding path program 1 times [2024-11-09 06:07:17,171 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:07:17,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613829122] [2024-11-09 06:07:17,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:07:17,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:07:17,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:07:17,224 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:07:17,225 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:07:17,225 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613829122] [2024-11-09 06:07:17,225 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613829122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:07:17,225 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:07:17,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:07:17,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554062546] [2024-11-09 06:07:17,226 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:07:17,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:07:17,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:07:17,228 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:07:17,228 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:07:17,228 INFO L87 Difference]: Start difference. First operand 407 states and 1022 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-11-09 06:07:17,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:07:17,289 INFO L93 Difference]: Finished difference Result 407 states and 1022 transitions. [2024-11-09 06:07:17,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:07:17,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) Word has length 38 [2024-11-09 06:07:17,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:07:17,294 INFO L225 Difference]: With dead ends: 407 [2024-11-09 06:07:17,294 INFO L226 Difference]: Without dead ends: 405 [2024-11-09 06:07:17,295 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:07:17,296 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 60 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:07:17,297 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 132 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:07:17,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 405 states. [2024-11-09 06:07:17,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 405 to 405. [2024-11-09 06:07:17,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 401 states have (on average 2.543640897755611) internal successors, (1020), 404 states have internal predecessors, (1020), 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) [2024-11-09 06:07:17,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 1020 transitions. [2024-11-09 06:07:17,316 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 1020 transitions. Word has length 38 [2024-11-09 06:07:17,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:07:17,317 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 1020 transitions. [2024-11-09 06:07:17,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 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) [2024-11-09 06:07:17,318 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 1020 transitions. [2024-11-09 06:07:17,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-09 06:07:17,318 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:07:17,319 INFO L215 NwaCegarLoop]: 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] [2024-11-09 06:07:17,319 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-09 06:07:17,319 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2024-11-09 06:07:17,320 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:07:17,320 INFO L85 PathProgramCache]: Analyzing trace with hash -1941117806, now seen corresponding path program 1 times [2024-11-09 06:07:17,320 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:07:17,320 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607582259] [2024-11-09 06:07:17,321 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:07:17,321 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:07:17,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:07:17,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:07:17,382 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:07:17,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607582259] [2024-11-09 06:07:17,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607582259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:07:17,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:07:17,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:07:17,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964254245] [2024-11-09 06:07:17,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:07:17,383 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:07:17,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:07:17,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:07:17,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:07:17,387 INFO L87 Difference]: Start difference. First operand 405 states and 1020 transitions. Second operand has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-11-09 06:07:17,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:07:17,448 INFO L93 Difference]: Finished difference Result 405 states and 1020 transitions. [2024-11-09 06:07:17,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:07:17,449 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 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) Word has length 42 [2024-11-09 06:07:17,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:07:17,455 INFO L225 Difference]: With dead ends: 405 [2024-11-09 06:07:17,456 INFO L226 Difference]: Without dead ends: 404 [2024-11-09 06:07:17,456 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:07:17,457 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 1 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:07:17,457 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 172 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:07:17,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2024-11-09 06:07:17,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2024-11-09 06:07:17,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 401 states have (on average 2.541147132169576) internal successors, (1019), 403 states have internal predecessors, (1019), 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) [2024-11-09 06:07:17,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 1019 transitions. [2024-11-09 06:07:17,478 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 1019 transitions. Word has length 42 [2024-11-09 06:07:17,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:07:17,480 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 1019 transitions. [2024-11-09 06:07:17,480 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 21.0) internal successors, (42), 3 states have internal predecessors, (42), 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) [2024-11-09 06:07:17,481 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 1019 transitions. [2024-11-09 06:07:17,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-09 06:07:17,487 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:07:17,488 INFO L215 NwaCegarLoop]: 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] [2024-11-09 06:07:17,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 06:07:17,488 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2024-11-09 06:07:17,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:07:17,490 INFO L85 PathProgramCache]: Analyzing trace with hash 1833291703, now seen corresponding path program 1 times [2024-11-09 06:07:17,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:07:17,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373584174] [2024-11-09 06:07:17,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:07:17,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:07:17,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:07:17,673 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:07:17,674 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:07:17,674 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373584174] [2024-11-09 06:07:17,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373584174] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:07:17,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:07:17,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:07:17,674 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [344769203] [2024-11-09 06:07:17,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:07:17,675 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:07:17,675 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:07:17,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:07:17,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:07:17,678 INFO L87 Difference]: Start difference. First operand 404 states and 1019 transitions. Second operand has 3 states, 2 states have (on average 40.0) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-11-09 06:07:17,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:07:17,721 INFO L93 Difference]: Finished difference Result 404 states and 1019 transitions. [2024-11-09 06:07:17,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:07:17,721 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 40.0) internal successors, (80), 3 states have internal predecessors, (80), 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) Word has length 80 [2024-11-09 06:07:17,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:07:17,727 INFO L225 Difference]: With dead ends: 404 [2024-11-09 06:07:17,727 INFO L226 Difference]: Without dead ends: 403 [2024-11-09 06:07:17,727 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:07:17,729 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 6 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:07:17,730 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 170 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:07:17,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2024-11-09 06:07:17,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 403. [2024-11-09 06:07:17,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 403 states, 401 states have (on average 2.5386533665835413) internal successors, (1018), 402 states have internal predecessors, (1018), 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) [2024-11-09 06:07:17,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 403 states to 403 states and 1018 transitions. [2024-11-09 06:07:17,752 INFO L78 Accepts]: Start accepts. Automaton has 403 states and 1018 transitions. Word has length 80 [2024-11-09 06:07:17,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:07:17,756 INFO L471 AbstractCegarLoop]: Abstraction has 403 states and 1018 transitions. [2024-11-09 06:07:17,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 40.0) internal successors, (80), 3 states have internal predecessors, (80), 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) [2024-11-09 06:07:17,756 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 1018 transitions. [2024-11-09 06:07:17,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-09 06:07:17,759 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:07:17,759 INFO L215 NwaCegarLoop]: 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] [2024-11-09 06:07:17,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 06:07:17,760 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2024-11-09 06:07:17,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:07:17,760 INFO L85 PathProgramCache]: Analyzing trace with hash 856749325, now seen corresponding path program 1 times [2024-11-09 06:07:17,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:07:17,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133115915] [2024-11-09 06:07:17,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:07:17,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:07:17,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:07:17,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:07:17,831 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:07:17,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133115915] [2024-11-09 06:07:17,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1133115915] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:07:17,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:07:17,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:07:17,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206840219] [2024-11-09 06:07:17,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:07:17,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:07:17,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:07:17,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:07:17,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:07:17,836 INFO L87 Difference]: Start difference. First operand 403 states and 1018 transitions. Second operand has 3 states, 2 states have (on average 41.0) internal successors, (82), 3 states have internal predecessors, (82), 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) [2024-11-09 06:07:17,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:07:17,882 INFO L93 Difference]: Finished difference Result 403 states and 1018 transitions. [2024-11-09 06:07:17,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:07:17,883 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 41.0) internal successors, (82), 3 states have internal predecessors, (82), 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) Word has length 82 [2024-11-09 06:07:17,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:07:17,886 INFO L225 Difference]: With dead ends: 403 [2024-11-09 06:07:17,887 INFO L226 Difference]: Without dead ends: 402 [2024-11-09 06:07:17,887 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:07:17,891 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 3 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:07:17,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 169 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:07:17,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2024-11-09 06:07:17,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2024-11-09 06:07:17,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 401 states have (on average 2.536159600997506) internal successors, (1017), 401 states have internal predecessors, (1017), 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) [2024-11-09 06:07:17,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 1017 transitions. [2024-11-09 06:07:17,945 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 1017 transitions. Word has length 82 [2024-11-09 06:07:17,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:07:17,946 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 1017 transitions. [2024-11-09 06:07:17,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 41.0) internal successors, (82), 3 states have internal predecessors, (82), 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) [2024-11-09 06:07:17,948 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 1017 transitions. [2024-11-09 06:07:17,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 06:07:17,950 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 06:07:17,951 INFO L215 NwaCegarLoop]: 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] [2024-11-09 06:07:17,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-09 06:07:17,951 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 39 more)] === [2024-11-09 06:07:17,954 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 06:07:17,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1297605465, now seen corresponding path program 1 times [2024-11-09 06:07:17,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 06:07:17,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412870345] [2024-11-09 06:07:17,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 06:07:17,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 06:07:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 06:07:18,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 06:07:18,085 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2024-11-09 06:07:18,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412870345] [2024-11-09 06:07:18,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412870345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 06:07:18,086 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 06:07:18,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 06:07:18,086 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1039143765] [2024-11-09 06:07:18,087 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 06:07:18,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 06:07:18,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2024-11-09 06:07:18,091 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 06:07:18,092 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:07:18,092 INFO L87 Difference]: Start difference. First operand 402 states and 1017 transitions. Second operand has 3 states, 2 states have (on average 42.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2024-11-09 06:07:18,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 06:07:18,146 INFO L93 Difference]: Finished difference Result 402 states and 1017 transitions. [2024-11-09 06:07:18,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 06:07:18,147 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 42.0) internal successors, (84), 3 states have internal predecessors, (84), 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) Word has length 84 [2024-11-09 06:07:18,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 06:07:18,149 INFO L225 Difference]: With dead ends: 402 [2024-11-09 06:07:18,149 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 06:07:18,150 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 06:07:18,153 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 0 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 06:07:18,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 171 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 06:07:18,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 06:07:18,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 06:07:18,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2024-11-09 06:07:18,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 06:07:18,156 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 84 [2024-11-09 06:07:18,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 06:07:18,158 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 06:07:18,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 42.0) internal successors, (84), 3 states have internal predecessors, (84), 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) [2024-11-09 06:07:18,158 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 06:07:18,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 06:07:18,161 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (42 of 43 remaining) [2024-11-09 06:07:18,162 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (41 of 43 remaining) [2024-11-09 06:07:18,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (40 of 43 remaining) [2024-11-09 06:07:18,163 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (39 of 43 remaining) [2024-11-09 06:07:18,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (38 of 43 remaining) [2024-11-09 06:07:18,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (37 of 43 remaining) [2024-11-09 06:07:18,167 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (36 of 43 remaining) [2024-11-09 06:07:18,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (35 of 43 remaining) [2024-11-09 06:07:18,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (34 of 43 remaining) [2024-11-09 06:07:18,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (33 of 43 remaining) [2024-11-09 06:07:18,168 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (32 of 43 remaining) [2024-11-09 06:07:18,169 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (31 of 43 remaining) [2024-11-09 06:07:18,169 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (30 of 43 remaining) [2024-11-09 06:07:18,169 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (29 of 43 remaining) [2024-11-09 06:07:18,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (28 of 43 remaining) [2024-11-09 06:07:18,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (27 of 43 remaining) [2024-11-09 06:07:18,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (26 of 43 remaining) [2024-11-09 06:07:18,170 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (25 of 43 remaining) [2024-11-09 06:07:18,172 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (24 of 43 remaining) [2024-11-09 06:07:18,173 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (23 of 43 remaining) [2024-11-09 06:07:18,173 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (22 of 43 remaining) [2024-11-09 06:07:18,173 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (21 of 43 remaining) [2024-11-09 06:07:18,173 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (20 of 43 remaining) [2024-11-09 06:07:18,174 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (19 of 43 remaining) [2024-11-09 06:07:18,174 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (18 of 43 remaining) [2024-11-09 06:07:18,174 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (17 of 43 remaining) [2024-11-09 06:07:18,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 43 remaining) [2024-11-09 06:07:18,175 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (15 of 43 remaining) [2024-11-09 06:07:18,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (14 of 43 remaining) [2024-11-09 06:07:18,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (13 of 43 remaining) [2024-11-09 06:07:18,176 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (12 of 43 remaining) [2024-11-09 06:07:18,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (11 of 43 remaining) [2024-11-09 06:07:18,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (10 of 43 remaining) [2024-11-09 06:07:18,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (9 of 43 remaining) [2024-11-09 06:07:18,177 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (8 of 43 remaining) [2024-11-09 06:07:18,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (7 of 43 remaining) [2024-11-09 06:07:18,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (6 of 43 remaining) [2024-11-09 06:07:18,178 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (5 of 43 remaining) [2024-11-09 06:07:18,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (4 of 43 remaining) [2024-11-09 06:07:18,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (3 of 43 remaining) [2024-11-09 06:07:18,179 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (2 of 43 remaining) [2024-11-09 06:07:18,180 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (1 of 43 remaining) [2024-11-09 06:07:18,181 INFO L782 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (0 of 43 remaining) [2024-11-09 06:07:18,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 06:07:18,186 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 06:07:18,192 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2024-11-09 06:07:18,192 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 06:07:18,197 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 06:07:18 BasicIcfg [2024-11-09 06:07:18,197 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 06:07:18,198 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 06:07:18,198 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 06:07:18,198 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 06:07:18,199 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 06:07:15" (3/4) ... [2024-11-09 06:07:18,201 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-09 06:07:18,205 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2024-11-09 06:07:18,205 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2024-11-09 06:07:18,211 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-09 06:07:18,211 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-09 06:07:18,211 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-09 06:07:18,212 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-09 06:07:18,310 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9808ed0-a49d-4a8f-a1e8-d65b33324626/bin/utaipan-verify-YMUCfTKeje/witness.graphml [2024-11-09 06:07:18,311 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9808ed0-a49d-4a8f-a1e8-d65b33324626/bin/utaipan-verify-YMUCfTKeje/witness.yml [2024-11-09 06:07:18,311 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 06:07:18,312 INFO L158 Benchmark]: Toolchain (without parser) took 4061.19ms. Allocated memory was 190.8MB in the beginning and 262.1MB in the end (delta: 71.3MB). Free memory was 154.2MB in the beginning and 195.4MB in the end (delta: -41.2MB). Peak memory consumption was 30.5MB. Max. memory is 16.1GB. [2024-11-09 06:07:18,312 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory was 70.4MB in the beginning and 70.4MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 06:07:18,313 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.74ms. Allocated memory is still 190.8MB. Free memory was 153.8MB in the beginning and 140.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-09 06:07:18,313 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.36ms. Allocated memory is still 190.8MB. Free memory was 140.4MB in the beginning and 138.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:07:18,314 INFO L158 Benchmark]: Boogie Preprocessor took 29.41ms. Allocated memory is still 190.8MB. Free memory was 138.7MB in the beginning and 137.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 06:07:18,314 INFO L158 Benchmark]: RCFGBuilder took 957.50ms. Allocated memory is still 190.8MB. Free memory was 137.4MB in the beginning and 160.2MB in the end (delta: -22.8MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. [2024-11-09 06:07:18,315 INFO L158 Benchmark]: TraceAbstraction took 2562.59ms. Allocated memory was 190.8MB in the beginning and 262.1MB in the end (delta: 71.3MB). Free memory was 159.5MB in the beginning and 200.6MB in the end (delta: -41.2MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2024-11-09 06:07:18,315 INFO L158 Benchmark]: Witness Printer took 113.39ms. Allocated memory is still 262.1MB. Free memory was 200.6MB in the beginning and 195.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-09 06:07:18,317 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 104.9MB. Free memory was 70.4MB in the beginning and 70.4MB in the end (delta: 29.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 344.74ms. Allocated memory is still 190.8MB. Free memory was 153.8MB in the beginning and 140.4MB in the end (delta: 13.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.36ms. Allocated memory is still 190.8MB. Free memory was 140.4MB in the beginning and 138.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.41ms. Allocated memory is still 190.8MB. Free memory was 138.7MB in the beginning and 137.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 957.50ms. Allocated memory is still 190.8MB. Free memory was 137.4MB in the beginning and 160.2MB in the end (delta: -22.8MB). Peak memory consumption was 35.0MB. Max. memory is 16.1GB. * TraceAbstraction took 2562.59ms. Allocated memory was 190.8MB in the beginning and 262.1MB in the end (delta: 71.3MB). Free memory was 159.5MB in the beginning and 200.6MB in the end (delta: -41.2MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Witness Printer took 113.39ms. Allocated memory is still 262.1MB. Free memory was 200.6MB in the beginning and 195.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 42]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 46]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 47]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 48]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 52]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 61]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 65]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 68]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 71]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 81]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 82]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 83]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 84]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 86]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 94]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 5 procedures, 175 locations, 43 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.2s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 145 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 145 mSDsluCounter, 1501 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 685 mSDsCounter, 14 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 255 IncrementalHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 14 mSolverCounterUnsat, 816 mSDtfsCounter, 255 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1067occurred in iteration=0, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 233 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 439 NumberOfCodeBlocks, 439 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 430 ConstructedInterpolants, 0 QuantifiedInterpolants, 448 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 26 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2024-11-09 06:07:18,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f9808ed0-a49d-4a8f-a1e8-d65b33324626/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE