./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/chl-match-symm.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff 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_1a1d3d2f-cab2-494e-ba01-3dafffe8bbfc/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1d3d2f-cab2-494e-ba01-3dafffe8bbfc/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1d3d2f-cab2-494e-ba01-3dafffe8bbfc/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1d3d2f-cab2-494e-ba01-3dafffe8bbfc/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/chl-match-symm.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1d3d2f-cab2-494e-ba01-3dafffe8bbfc/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1d3d2f-cab2-494e-ba01-3dafffe8bbfc/bin/utaipan-verify-t7M7D8N6sZ --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 77faa562cc80dab159af187984ab1ce484b13225711253aedc5512d7a84dfd3f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:55:24,237 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:55:24,316 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1d3d2f-cab2-494e-ba01-3dafffe8bbfc/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-19 04:55:24,322 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:55:24,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 04:55:24,348 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:55:24,349 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 04:55:24,350 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 04:55:24,350 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:55:24,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 04:55:24,352 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 04:55:24,352 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 04:55:24,353 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 04:55:24,353 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 04:55:24,373 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 04:55:24,373 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 04:55:24,377 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 04:55:24,381 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 04:55:24,382 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 04:55:24,383 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 04:55:24,383 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 04:55:24,384 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 04:55:24,384 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:55:24,387 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:55:24,388 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:55:24,388 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:55:24,388 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:55:24,389 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:55:24,389 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:55:24,390 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:55:24,391 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:55:24,391 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 04:55:24,392 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 04:55:24,392 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:55:24,392 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:55:24,393 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:55:24,393 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:55:24,393 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 04:55:24,393 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:24,394 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:55:24,394 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:55:24,395 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:55:24,395 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 04:55:24,395 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:55:24,396 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:55:24,396 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 04:55:24,396 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:55:24,396 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_1a1d3d2f-cab2-494e-ba01-3dafffe8bbfc/bin/utaipan-verify-t7M7D8N6sZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1d3d2f-cab2-494e-ba01-3dafffe8bbfc/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 77faa562cc80dab159af187984ab1ce484b13225711253aedc5512d7a84dfd3f [2023-11-19 04:55:24,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:55:24,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:55:24,711 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:55:24,714 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:55:24,714 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:55:24,716 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1d3d2f-cab2-494e-ba01-3dafffe8bbfc/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/weaver/chl-match-symm.wvr.c [2023-11-19 04:55:27,946 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:55:28,187 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:55:28,188 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1d3d2f-cab2-494e-ba01-3dafffe8bbfc/sv-benchmarks/c/weaver/chl-match-symm.wvr.c [2023-11-19 04:55:28,196 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1d3d2f-cab2-494e-ba01-3dafffe8bbfc/bin/utaipan-verify-t7M7D8N6sZ/data/6bba9de2f/ad521c66caa944f08dcf16c67b4d5621/FLAG023d1fbea [2023-11-19 04:55:28,210 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1d3d2f-cab2-494e-ba01-3dafffe8bbfc/bin/utaipan-verify-t7M7D8N6sZ/data/6bba9de2f/ad521c66caa944f08dcf16c67b4d5621 [2023-11-19 04:55:28,212 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:55:28,214 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:55:28,216 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:28,216 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:55:28,222 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:55:28,223 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:28" (1/1) ... [2023-11-19 04:55:28,224 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@262db50f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:28, skipping insertion in model container [2023-11-19 04:55:28,224 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:55:28" (1/1) ... [2023-11-19 04:55:28,251 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:55:28,447 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:28,458 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:55:28,493 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:55:28,511 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:55:28,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:28 WrapperNode [2023-11-19 04:55:28,512 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:55:28,513 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:28,513 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:55:28,514 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:55:28,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:28" (1/1) ... [2023-11-19 04:55:28,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:28" (1/1) ... [2023-11-19 04:55:28,585 INFO L138 Inliner]: procedures = 22, calls = 28, calls flagged for inlining = 12, calls inlined = 18, statements flattened = 263 [2023-11-19 04:55:28,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:55:28,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:55:28,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:55:28,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:55:28,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:28" (1/1) ... [2023-11-19 04:55:28,597 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:28" (1/1) ... [2023-11-19 04:55:28,602 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:28" (1/1) ... [2023-11-19 04:55:28,603 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:28" (1/1) ... [2023-11-19 04:55:28,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:28" (1/1) ... [2023-11-19 04:55:28,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:28" (1/1) ... [2023-11-19 04:55:28,627 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:28" (1/1) ... [2023-11-19 04:55:28,635 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:28" (1/1) ... [2023-11-19 04:55:28,640 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:55:28,644 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:55:28,644 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:55:28,644 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:55:28,645 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:28" (1/1) ... [2023-11-19 04:55:28,654 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 04:55:28,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1d3d2f-cab2-494e-ba01-3dafffe8bbfc/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 04:55:28,685 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1d3d2f-cab2-494e-ba01-3dafffe8bbfc/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 04:55:28,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1d3d2f-cab2-494e-ba01-3dafffe8bbfc/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 04:55:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:55:28,723 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-19 04:55:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-19 04:55:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-19 04:55:28,724 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-19 04:55:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:55:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:55:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:55:28,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:55:28,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:55:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:55:28,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:55:28,726 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 04:55:28,838 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:55:28,840 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:55:29,320 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:55:29,337 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:55:29,337 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:55:29,343 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:29 BoogieIcfgContainer [2023-11-19 04:55:29,343 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:55:29,346 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 04:55:29,346 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 04:55:29,350 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 04:55:29,350 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:55:28" (1/3) ... [2023-11-19 04:55:29,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588a02bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:29, skipping insertion in model container [2023-11-19 04:55:29,351 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:55:28" (2/3) ... [2023-11-19 04:55:29,351 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@588a02bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:55:29, skipping insertion in model container [2023-11-19 04:55:29,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:29" (3/3) ... [2023-11-19 04:55:29,353 INFO L112 eAbstractionObserver]: Analyzing ICFG chl-match-symm.wvr.c [2023-11-19 04:55:29,362 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 04:55:29,374 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 04:55:29,374 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 32 error locations. [2023-11-19 04:55:29,374 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 04:55:29,502 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-19 04:55:29,556 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 04:55:29,577 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 352 places, 361 transitions, 736 flow [2023-11-19 04:55:29,581 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 352 places, 361 transitions, 736 flow [2023-11-19 04:55:29,583 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 352 places, 361 transitions, 736 flow [2023-11-19 04:55:29,748 INFO L124 PetriNetUnfolderBase]: 16/359 cut-off events. [2023-11-19 04:55:29,749 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-19 04:55:29,773 INFO L83 FinitePrefix]: Finished finitePrefix Result has 368 conditions, 359 events. 16/359 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 383 event pairs, 0 based on Foata normal form. 0/311 useless extension candidates. Maximal degree in co-relation 207. Up to 2 conditions per place. [2023-11-19 04:55:29,791 INFO L119 LiptonReduction]: Number of co-enabled transitions 23876 [2023-11-19 04:55:40,783 INFO L134 LiptonReduction]: Checked pairs total: 41298 [2023-11-19 04:55:40,784 INFO L136 LiptonReduction]: Total number of compositions: 490 [2023-11-19 04:55:40,793 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 71 places, 67 transitions, 148 flow [2023-11-19 04:55:40,888 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 1377 states, 1156 states have (on average 3.1496539792387543) internal successors, (3641), 1376 states have internal predecessors, (3641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:55:40,909 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 04:55:40,916 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@76f2eab9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 04:55:40,917 INFO L358 AbstractCegarLoop]: Starting to check reachability of 52 error locations. [2023-11-19 04:55:40,923 INFO L276 IsEmpty]: Start isEmpty. Operand has 1377 states, 1156 states have (on average 3.1496539792387543) internal successors, (3641), 1376 states have internal predecessors, (3641), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:55:40,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2023-11-19 04:55:40,929 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:40,930 INFO L195 NwaCegarLoop]: trace histogram [1] [2023-11-19 04:55:40,931 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-19 04:55:40,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:40,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1429, now seen corresponding path program 1 times [2023-11-19 04:55:40,948 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:55:40,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871092471] [2023-11-19 04:55:40,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:40,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:55:41,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:41,073 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:55:41,074 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:55:41,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871092471] [2023-11-19 04:55:41,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871092471] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:55:41,076 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:55:41,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 04:55:41,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400898800] [2023-11-19 04:55:41,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:55:41,084 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 04:55:41,084 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:55:41,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 04:55:41,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:55:41,126 INFO L87 Difference]: Start difference. First operand has 1377 states, 1156 states have (on average 3.1496539792387543) internal successors, (3641), 1376 states have internal predecessors, (3641), 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 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:55:41,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:55:41,235 INFO L93 Difference]: Finished difference Result 365 states and 883 transitions. [2023-11-19 04:55:41,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 04:55:41,238 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 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 1 [2023-11-19 04:55:41,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:55:41,261 INFO L225 Difference]: With dead ends: 365 [2023-11-19 04:55:41,261 INFO L226 Difference]: Without dead ends: 360 [2023-11-19 04:55:41,263 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 04:55:41,269 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 2 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:55:41,271 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 2 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:55:41,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2023-11-19 04:55:41,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2023-11-19 04:55:41,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 357 states have (on average 2.4453781512605044) internal successors, (873), 359 states have internal predecessors, (873), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:55:41,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 873 transitions. [2023-11-19 04:55:41,377 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 873 transitions. Word has length 1 [2023-11-19 04:55:41,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:55:41,378 INFO L495 AbstractCegarLoop]: Abstraction has 360 states and 873 transitions. [2023-11-19 04:55:41,378 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:55:41,381 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 873 transitions. [2023-11-19 04:55:41,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-19 04:55:41,383 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:41,383 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:55:41,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 04:55:41,389 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-19 04:55:41,390 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:41,391 INFO L85 PathProgramCache]: Analyzing trace with hash -702753399, now seen corresponding path program 1 times [2023-11-19 04:55:41,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:55:41,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1917694563] [2023-11-19 04:55:41,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:41,393 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:55:41,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:41,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:55:41,622 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:55:41,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1917694563] [2023-11-19 04:55:41,623 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1917694563] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:55:41,623 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:55:41,624 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:55:41,624 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588905243] [2023-11-19 04:55:41,624 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:55:41,625 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:55:41,627 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:55:41,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:55:41,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:55:41,628 INFO L87 Difference]: Start difference. First operand 360 states and 873 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:55:41,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:55:41,726 INFO L93 Difference]: Finished difference Result 334 states and 809 transitions. [2023-11-19 04:55:41,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:55:41,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 11 [2023-11-19 04:55:41,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:55:41,731 INFO L225 Difference]: With dead ends: 334 [2023-11-19 04:55:41,731 INFO L226 Difference]: Without dead ends: 312 [2023-11-19 04:55:41,732 INFO L412 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 [2023-11-19 04:55:41,734 INFO L413 NwaCegarLoop]: 2 mSDtfsCounter, 15 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 3 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:55:41,735 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 3 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:55:41,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2023-11-19 04:55:41,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 312. [2023-11-19 04:55:41,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 311 states have (on average 2.42443729903537) internal successors, (754), 311 states have internal predecessors, (754), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:55:41,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 754 transitions. [2023-11-19 04:55:41,766 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 754 transitions. Word has length 11 [2023-11-19 04:55:41,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:55:41,767 INFO L495 AbstractCegarLoop]: Abstraction has 312 states and 754 transitions. [2023-11-19 04:55:41,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:55:41,767 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 754 transitions. [2023-11-19 04:55:41,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 04:55:41,771 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 04:55:41,771 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 04:55:41,771 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 04:55:41,772 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thread2Err8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 48 more)] === [2023-11-19 04:55:41,772 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:55:41,772 INFO L85 PathProgramCache]: Analyzing trace with hash 1675184817, now seen corresponding path program 1 times [2023-11-19 04:55:41,773 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 04:55:41,778 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631658282] [2023-11-19 04:55:41,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 04:55:41,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:55:41,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:55:41,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:55:41,917 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 04:55:41,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631658282] [2023-11-19 04:55:41,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631658282] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 04:55:41,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 04:55:41,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 04:55:41,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298157713] [2023-11-19 04:55:41,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 04:55:41,920 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 04:55:41,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 04:55:41,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 04:55:41,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 04:55:41,922 INFO L87 Difference]: Start difference. First operand 312 states and 754 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:55:41,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 04:55:41,999 INFO L93 Difference]: Finished difference Result 286 states and 690 transitions. [2023-11-19 04:55:41,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 04:55:41,999 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 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 12 [2023-11-19 04:55:42,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 04:55:42,000 INFO L225 Difference]: With dead ends: 286 [2023-11-19 04:55:42,000 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 04:55:42,001 INFO L412 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 [2023-11-19 04:55:42,004 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 15 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 04:55:42,006 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 0 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 04:55:42,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 04:55:42,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 04:55:42,008 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) [2023-11-19 04:55:42,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 04:55:42,008 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 12 [2023-11-19 04:55:42,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 04:55:42,009 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 04:55:42,009 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 04:55:42,009 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 04:55:42,010 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:55:42,012 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (51 of 52 remaining) [2023-11-19 04:55:42,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (50 of 52 remaining) [2023-11-19 04:55:42,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (49 of 52 remaining) [2023-11-19 04:55:42,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (48 of 52 remaining) [2023-11-19 04:55:42,013 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (47 of 52 remaining) [2023-11-19 04:55:42,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (46 of 52 remaining) [2023-11-19 04:55:42,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (45 of 52 remaining) [2023-11-19 04:55:42,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (44 of 52 remaining) [2023-11-19 04:55:42,014 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (43 of 52 remaining) [2023-11-19 04:55:42,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (42 of 52 remaining) [2023-11-19 04:55:42,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (41 of 52 remaining) [2023-11-19 04:55:42,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (40 of 52 remaining) [2023-11-19 04:55:42,015 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (39 of 52 remaining) [2023-11-19 04:55:42,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (38 of 52 remaining) [2023-11-19 04:55:42,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (37 of 52 remaining) [2023-11-19 04:55:42,018 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (36 of 52 remaining) [2023-11-19 04:55:42,021 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (35 of 52 remaining) [2023-11-19 04:55:42,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (34 of 52 remaining) [2023-11-19 04:55:42,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (33 of 52 remaining) [2023-11-19 04:55:42,022 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (32 of 52 remaining) [2023-11-19 04:55:42,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (31 of 52 remaining) [2023-11-19 04:55:42,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (30 of 52 remaining) [2023-11-19 04:55:42,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (29 of 52 remaining) [2023-11-19 04:55:42,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (28 of 52 remaining) [2023-11-19 04:55:42,023 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (27 of 52 remaining) [2023-11-19 04:55:42,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (26 of 52 remaining) [2023-11-19 04:55:42,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (25 of 52 remaining) [2023-11-19 04:55:42,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (24 of 52 remaining) [2023-11-19 04:55:42,024 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (23 of 52 remaining) [2023-11-19 04:55:42,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (22 of 52 remaining) [2023-11-19 04:55:42,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (21 of 52 remaining) [2023-11-19 04:55:42,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (20 of 52 remaining) [2023-11-19 04:55:42,025 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (19 of 52 remaining) [2023-11-19 04:55:42,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (18 of 52 remaining) [2023-11-19 04:55:42,026 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (17 of 52 remaining) [2023-11-19 04:55:42,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (16 of 52 remaining) [2023-11-19 04:55:42,027 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (15 of 52 remaining) [2023-11-19 04:55:42,029 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (14 of 52 remaining) [2023-11-19 04:55:42,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (13 of 52 remaining) [2023-11-19 04:55:42,031 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (12 of 52 remaining) [2023-11-19 04:55:42,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (11 of 52 remaining) [2023-11-19 04:55:42,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (10 of 52 remaining) [2023-11-19 04:55:42,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err8ASSERT_VIOLATIONDATA_RACE (9 of 52 remaining) [2023-11-19 04:55:42,032 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (8 of 52 remaining) [2023-11-19 04:55:42,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (7 of 52 remaining) [2023-11-19 04:55:42,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (6 of 52 remaining) [2023-11-19 04:55:42,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (5 of 52 remaining) [2023-11-19 04:55:42,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (4 of 52 remaining) [2023-11-19 04:55:42,033 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (3 of 52 remaining) [2023-11-19 04:55:42,034 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (2 of 52 remaining) [2023-11-19 04:55:42,034 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (1 of 52 remaining) [2023-11-19 04:55:42,034 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (0 of 52 remaining) [2023-11-19 04:55:42,034 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 04:55:42,037 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 04:55:42,043 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 04:55:42,043 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 04:55:42,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:55:42 BasicIcfg [2023-11-19 04:55:42,048 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 04:55:42,049 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:55:42,049 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:55:42,049 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:55:42,050 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:55:29" (3/4) ... [2023-11-19 04:55:42,051 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:55:42,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-19 04:55:42,055 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-19 04:55:42,064 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2023-11-19 04:55:42,065 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 04:55:42,065 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 04:55:42,066 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:55:42,189 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1d3d2f-cab2-494e-ba01-3dafffe8bbfc/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 04:55:42,190 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1d3d2f-cab2-494e-ba01-3dafffe8bbfc/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 04:55:42,190 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:55:42,191 INFO L158 Benchmark]: Toolchain (without parser) took 13976.71ms. Allocated memory was 136.3MB in the beginning and 245.4MB in the end (delta: 109.1MB). Free memory was 93.3MB in the beginning and 119.9MB in the end (delta: -26.6MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. [2023-11-19 04:55:42,191 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:55:42,192 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.43ms. Allocated memory is still 136.3MB. Free memory was 92.8MB in the beginning and 80.9MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:55:42,192 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.32ms. Allocated memory is still 136.3MB. Free memory was 80.9MB in the beginning and 78.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:55:42,192 INFO L158 Benchmark]: Boogie Preprocessor took 57.02ms. Allocated memory is still 136.3MB. Free memory was 78.6MB in the beginning and 76.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:55:42,193 INFO L158 Benchmark]: RCFGBuilder took 699.35ms. Allocated memory is still 136.3MB. Free memory was 76.5MB in the beginning and 103.1MB in the end (delta: -26.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 04:55:42,193 INFO L158 Benchmark]: TraceAbstraction took 12702.09ms. Allocated memory was 136.3MB in the beginning and 245.4MB in the end (delta: 109.1MB). Free memory was 102.5MB in the beginning and 126.2MB in the end (delta: -23.8MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. [2023-11-19 04:55:42,194 INFO L158 Benchmark]: Witness Printer took 141.58ms. Allocated memory is still 245.4MB. Free memory was 126.2MB in the beginning and 119.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-19 04:55:42,197 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 136.3MB. Free memory is still 106.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.43ms. Allocated memory is still 136.3MB. Free memory was 92.8MB in the beginning and 80.9MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.32ms. Allocated memory is still 136.3MB. Free memory was 80.9MB in the beginning and 78.6MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.02ms. Allocated memory is still 136.3MB. Free memory was 78.6MB in the beginning and 76.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 699.35ms. Allocated memory is still 136.3MB. Free memory was 76.5MB in the beginning and 103.1MB in the end (delta: -26.6MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 12702.09ms. Allocated memory was 136.3MB in the beginning and 245.4MB in the end (delta: 109.1MB). Free memory was 102.5MB in the beginning and 126.2MB in the end (delta: -23.8MB). Peak memory consumption was 84.5MB. Max. memory is 16.1GB. * Witness Printer took 141.58ms. Allocated memory is still 245.4MB. Free memory was 126.2MB in the beginning and 119.9MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 11.2s, 352 PlacesBefore, 71 PlacesAfterwards, 361 TransitionsBefore, 67 TransitionsAfterwards, 23876 CoEnabledTransitionPairs, 11 FixpointIterations, 164 TrivialSequentialCompositions, 252 ConcurrentSequentialCompositions, 25 TrivialYvCompositions, 36 ConcurrentYvCompositions, 13 ChoiceCompositions, 490 TotalNumberOfCompositions, 41298 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 31942, independent: 31496, independent conditional: 0, independent unconditional: 31496, dependent: 446, dependent conditional: 0, dependent unconditional: 446, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 19045, independent: 18964, independent conditional: 0, independent unconditional: 18964, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 19045, independent: 18691, independent conditional: 0, independent unconditional: 18691, dependent: 354, dependent conditional: 0, dependent unconditional: 354, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 354, independent: 273, independent conditional: 0, independent unconditional: 273, dependent: 81, dependent conditional: 0, dependent unconditional: 81, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 405, independent: 282, independent conditional: 0, independent unconditional: 282, dependent: 122, dependent conditional: 0, dependent unconditional: 122, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 31942, independent: 12532, independent conditional: 0, independent unconditional: 12532, dependent: 365, dependent conditional: 0, dependent unconditional: 365, unknown: 19045, unknown conditional: 0, unknown unconditional: 19045] , Statistics on independence cache: Total cache size (in pairs): 642, Positive cache size: 618, Positive conditional cache size: 0, Positive unconditional cache size: 618, Negative cache size: 24, Negative conditional cache size: 0, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - 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: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 43]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 44]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 45]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 51]: 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: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 53]: 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: 62]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 63]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 64]: 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: 66]: 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: 72]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 74]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 75]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 76]: 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, 528 locations, 52 error locations. Started 1 CEGAR loops. OverallTime: 12.5s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 11.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 174 IncrementalHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 4 mSDtfsCounter, 174 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1377occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 25 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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 32 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 04:55:42,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a1d3d2f-cab2-494e-ba01-3dafffe8bbfc/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE