./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/unroll-4.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version cf1a7837 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5058c7bb-b15e-4296-a42e-bd0a72dbf4e6/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5058c7bb-b15e-4296-a42e-bd0a72dbf4e6/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5058c7bb-b15e-4296-a42e-bd0a72dbf4e6/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5058c7bb-b15e-4296-a42e-bd0a72dbf4e6/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/unroll-4.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5058c7bb-b15e-4296-a42e-bd0a72dbf4e6/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5058c7bb-b15e-4296-a42e-bd0a72dbf4e6/bin/utaipan-verify-NcY6lQBIFX --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 bb07434636f33664cc09ed992a41516efeea5f96121c916fb8904844e76d9fcd --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:03:32,517 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:03:32,647 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5058c7bb-b15e-4296-a42e-bd0a72dbf4e6/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-12 01:03:32,652 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:03:32,653 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:03:32,694 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:03:32,695 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:03:32,697 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:03:32,698 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:03:32,703 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:03:32,704 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:03:32,705 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:03:32,706 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:03:32,707 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:03:32,708 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:03:32,708 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:03:32,709 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:03:32,709 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:03:32,710 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:03:32,711 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:03:32,711 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:03:32,712 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:03:32,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:03:32,714 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:03:32,714 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 01:03:32,715 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:03:32,715 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 01:03:32,715 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:03:32,716 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:03:32,716 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:03:32,718 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:03:32,718 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-12 01:03:32,718 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-12 01:03:32,719 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 01:03:32,719 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:03:32,719 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:03:32,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:03:32,720 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:03:32,720 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:03:32,722 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:03:32,722 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:03:32,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:03:32,723 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:03:32,723 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:03:32,724 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:03:32,724 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:03:32,724 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:03:32,725 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_5058c7bb-b15e-4296-a42e-bd0a72dbf4e6/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5058c7bb-b15e-4296-a42e-bd0a72dbf4e6/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb07434636f33664cc09ed992a41516efeea5f96121c916fb8904844e76d9fcd [2023-11-12 01:03:33,064 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:03:33,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:03:33,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:03:33,101 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:03:33,102 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:03:33,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5058c7bb-b15e-4296-a42e-bd0a72dbf4e6/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/weaver/unroll-4.wvr.c [2023-11-12 01:03:36,247 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:03:36,530 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:03:36,530 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5058c7bb-b15e-4296-a42e-bd0a72dbf4e6/sv-benchmarks/c/weaver/unroll-4.wvr.c [2023-11-12 01:03:36,540 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5058c7bb-b15e-4296-a42e-bd0a72dbf4e6/bin/utaipan-verify-NcY6lQBIFX/data/080692da6/c9547216046247f4814ee38b5a98a04f/FLAG89ddab780 [2023-11-12 01:03:36,557 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5058c7bb-b15e-4296-a42e-bd0a72dbf4e6/bin/utaipan-verify-NcY6lQBIFX/data/080692da6/c9547216046247f4814ee38b5a98a04f [2023-11-12 01:03:36,562 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:03:36,564 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:03:36,567 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:03:36,567 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:03:36,573 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:03:36,574 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:03:36" (1/1) ... [2023-11-12 01:03:36,575 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71b64210 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:36, skipping insertion in model container [2023-11-12 01:03:36,576 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:03:36" (1/1) ... [2023-11-12 01:03:36,609 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:03:36,816 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:03:36,825 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:03:36,864 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:03:36,882 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:03:36,882 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:36 WrapperNode [2023-11-12 01:03:36,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:03:36,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:03:36,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:03:36,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:03:36,892 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:36" (1/1) ... [2023-11-12 01:03:36,905 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:36" (1/1) ... [2023-11-12 01:03:36,957 INFO L138 Inliner]: procedures = 24, calls = 37, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 319 [2023-11-12 01:03:36,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:03:36,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:03:36,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:03:36,968 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:03:36,979 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:36" (1/1) ... [2023-11-12 01:03:36,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:36" (1/1) ... [2023-11-12 01:03:36,985 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:36" (1/1) ... [2023-11-12 01:03:36,986 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:36" (1/1) ... [2023-11-12 01:03:37,003 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:36" (1/1) ... [2023-11-12 01:03:37,008 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:36" (1/1) ... [2023-11-12 01:03:37,011 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:36" (1/1) ... [2023-11-12 01:03:37,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:36" (1/1) ... [2023-11-12 01:03:37,018 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:03:37,019 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:03:37,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:03:37,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:03:37,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:36" (1/1) ... [2023-11-12 01:03:37,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:03:37,055 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5058c7bb-b15e-4296-a42e-bd0a72dbf4e6/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:03:37,071 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5058c7bb-b15e-4296-a42e-bd0a72dbf4e6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:03:37,088 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5058c7bb-b15e-4296-a42e-bd0a72dbf4e6/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:03:37,119 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:03:37,119 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2023-11-12 01:03:37,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2023-11-12 01:03:37,120 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2023-11-12 01:03:37,120 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2023-11-12 01:03:37,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 01:03:37,120 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-12 01:03:37,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-12 01:03:37,121 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-12 01:03:37,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:03:37,121 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:03:37,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-12 01:03:37,121 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-12 01:03:37,123 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-12 01:03:37,235 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:03:37,237 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:03:37,995 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:03:38,021 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:03:38,021 INFO L302 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-12 01:03:38,026 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:03:38 BoogieIcfgContainer [2023-11-12 01:03:38,026 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:03:38,031 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:03:38,031 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:03:38,036 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:03:38,037 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:03:36" (1/3) ... [2023-11-12 01:03:38,038 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2dd638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:03:38, skipping insertion in model container [2023-11-12 01:03:38,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:03:36" (2/3) ... [2023-11-12 01:03:38,041 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2dd638 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:03:38, skipping insertion in model container [2023-11-12 01:03:38,042 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:03:38" (3/3) ... [2023-11-12 01:03:38,044 INFO L112 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.c [2023-11-12 01:03:38,054 WARN L146 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-12 01:03:38,066 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:03:38,067 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 48 error locations. [2023-11-12 01:03:38,067 INFO L521 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-12 01:03:38,250 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-11-12 01:03:38,311 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-12 01:03:38,353 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 400 places, 414 transitions, 842 flow [2023-11-12 01:03:38,356 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 400 places, 414 transitions, 842 flow [2023-11-12 01:03:38,359 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 400 places, 414 transitions, 842 flow [2023-11-12 01:03:38,611 INFO L124 PetriNetUnfolderBase]: 21/412 cut-off events. [2023-11-12 01:03:38,611 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES. [2023-11-12 01:03:38,629 INFO L83 FinitePrefix]: Finished finitePrefix Result has 421 conditions, 412 events. 21/412 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 567 event pairs, 0 based on Foata normal form. 0/343 useless extension candidates. Maximal degree in co-relation 264. Up to 2 conditions per place. [2023-11-12 01:03:38,651 INFO L119 LiptonReduction]: Number of co-enabled transitions 29390 [2023-11-12 01:03:53,788 INFO L134 LiptonReduction]: Checked pairs total: 106843 [2023-11-12 01:03:53,789 INFO L136 LiptonReduction]: Total number of compositions: 569 [2023-11-12 01:03:53,798 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 117 places, 120 transitions, 254 flow [2023-11-12 01:03:54,192 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 9020 states, 8442 states have (on average 3.191305377872542) internal successors, (26941), 9019 states have internal predecessors, (26941), 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) [2023-11-12 01:03:54,227 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:03:54,238 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;@2caa4324, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:03:54,238 INFO L358 AbstractCegarLoop]: Starting to check reachability of 87 error locations. [2023-11-12 01:03:54,344 INFO L276 IsEmpty]: Start isEmpty. Operand has 9020 states, 8442 states have (on average 3.191305377872542) internal successors, (26941), 9019 states have internal predecessors, (26941), 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) [2023-11-12 01:03:54,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2023-11-12 01:03:54,360 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:03:54,361 INFO L195 NwaCegarLoop]: trace histogram [1] [2023-11-12 01:03:54,362 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-11-12 01:03:54,371 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:03:54,371 INFO L85 PathProgramCache]: Analyzing trace with hash 1712, now seen corresponding path program 1 times [2023-11-12 01:03:54,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:03:54,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1679639613] [2023-11-12 01:03:54,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:03:54,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:03:54,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:03:54,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:03:54,487 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:03:54,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1679639613] [2023-11-12 01:03:54,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1679639613] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:03:54,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:03:54,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-12 01:03:54,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [291819946] [2023-11-12 01:03:54,491 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:03:54,495 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 01:03:54,496 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:03:54,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 01:03:54,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 01:03:54,557 INFO L87 Difference]: Start difference. First operand has 9020 states, 8442 states have (on average 3.191305377872542) internal successors, (26941), 9019 states have internal predecessors, (26941), 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) [2023-11-12 01:03:54,757 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:03:54,757 INFO L93 Difference]: Finished difference Result 3558 states and 9921 transitions. [2023-11-12 01:03:54,758 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 01:03:54,760 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 [2023-11-12 01:03:54,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:03:54,811 INFO L225 Difference]: With dead ends: 3558 [2023-11-12 01:03:54,811 INFO L226 Difference]: Without dead ends: 3555 [2023-11-12 01:03:54,813 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 [2023-11-12 01:03:54,816 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 01:03:54,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 30 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 01:03:54,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3555 states. [2023-11-12 01:03:55,001 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3555 to 3555. [2023-11-12 01:03:55,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3555 states, 3531 states have (on average 2.80826961200793) internal successors, (9916), 3554 states have internal predecessors, (9916), 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) [2023-11-12 01:03:55,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 3555 states and 9916 transitions. [2023-11-12 01:03:55,037 INFO L78 Accepts]: Start accepts. Automaton has 3555 states and 9916 transitions. Word has length 1 [2023-11-12 01:03:55,038 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:03:55,038 INFO L495 AbstractCegarLoop]: Abstraction has 3555 states and 9916 transitions. [2023-11-12 01:03:55,038 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) [2023-11-12 01:03:55,038 INFO L276 IsEmpty]: Start isEmpty. Operand 3555 states and 9916 transitions. [2023-11-12 01:03:55,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-12 01:03:55,040 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:03:55,040 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:03:55,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-12 01:03:55,041 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-11-12 01:03:55,042 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:03:55,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1017249982, now seen corresponding path program 1 times [2023-11-12 01:03:55,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:03:55,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2061966319] [2023-11-12 01:03:55,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:03:55,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:03:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:03:55,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-12 01:03:55,440 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:03:55,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2061966319] [2023-11-12 01:03:55,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2061966319] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:03:55,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:03:55,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 01:03:55,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971671554] [2023-11-12 01:03:55,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:03:55,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-12 01:03:55,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:03:55,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-12 01:03:55,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-12 01:03:55,444 INFO L87 Difference]: Start difference. First operand 3555 states and 9916 transitions. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-12 01:03:55,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:03:55,610 INFO L93 Difference]: Finished difference Result 3556 states and 9917 transitions. [2023-11-12 01:03:55,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-12 01:03:55,611 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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 9 [2023-11-12 01:03:55,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:03:55,644 INFO L225 Difference]: With dead ends: 3556 [2023-11-12 01:03:55,645 INFO L226 Difference]: Without dead ends: 3556 [2023-11-12 01:03:55,645 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 [2023-11-12 01:03:55,647 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 0 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 60 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-12 01:03:55,648 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 60 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-12 01:03:55,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3556 states. [2023-11-12 01:03:55,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3556 to 3556. [2023-11-12 01:03:55,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3556 states, 3532 states have (on average 2.807757644394111) internal successors, (9917), 3555 states have internal predecessors, (9917), 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) [2023-11-12 01:03:55,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3556 states to 3556 states and 9917 transitions. [2023-11-12 01:03:55,900 INFO L78 Accepts]: Start accepts. Automaton has 3556 states and 9917 transitions. Word has length 9 [2023-11-12 01:03:55,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:03:55,901 INFO L495 AbstractCegarLoop]: Abstraction has 3556 states and 9917 transitions. [2023-11-12 01:03:55,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 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) [2023-11-12 01:03:55,902 INFO L276 IsEmpty]: Start isEmpty. Operand 3556 states and 9917 transitions. [2023-11-12 01:03:55,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-12 01:03:55,903 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:03:55,904 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:03:55,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-12 01:03:55,904 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-11-12 01:03:55,905 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:03:55,905 INFO L85 PathProgramCache]: Analyzing trace with hash 1460595238, now seen corresponding path program 1 times [2023-11-12 01:03:55,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:03:55,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243517131] [2023-11-12 01:03:55,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:03:55,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:03:55,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:03:56,368 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 01:03:56,369 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:03:56,369 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243517131] [2023-11-12 01:03:56,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243517131] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:03:56,372 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:03:56,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 01:03:56,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843987638] [2023-11-12 01:03:56,379 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:03:56,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 01:03:56,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:03:56,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 01:03:56,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:03:56,381 INFO L87 Difference]: Start difference. First operand 3556 states and 9917 transitions. Second operand has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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) [2023-11-12 01:03:57,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:03:57,020 INFO L93 Difference]: Finished difference Result 3088 states and 8513 transitions. [2023-11-12 01:03:57,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 01:03:57,021 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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 10 [2023-11-12 01:03:57,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:03:57,050 INFO L225 Difference]: With dead ends: 3088 [2023-11-12 01:03:57,050 INFO L226 Difference]: Without dead ends: 3088 [2023-11-12 01:03:57,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:03:57,055 INFO L413 NwaCegarLoop]: 40 mSDtfsCounter, 78 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 360 mSolverCounterSat, 87 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 447 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 87 IncrementalHoareTripleChecker+Valid, 360 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-12 01:03:57,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 64 Invalid, 447 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [87 Valid, 360 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-12 01:03:57,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3088 states. [2023-11-12 01:03:57,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3088 to 3088. [2023-11-12 01:03:57,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3088 states, 3074 states have (on average 2.769355888093689) internal successors, (8513), 3087 states have internal predecessors, (8513), 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) [2023-11-12 01:03:57,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3088 states to 3088 states and 8513 transitions. [2023-11-12 01:03:57,201 INFO L78 Accepts]: Start accepts. Automaton has 3088 states and 8513 transitions. Word has length 10 [2023-11-12 01:03:57,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:03:57,202 INFO L495 AbstractCegarLoop]: Abstraction has 3088 states and 8513 transitions. [2023-11-12 01:03:57,202 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.5) internal successors, (10), 5 states have internal predecessors, (10), 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) [2023-11-12 01:03:57,202 INFO L276 IsEmpty]: Start isEmpty. Operand 3088 states and 8513 transitions. [2023-11-12 01:03:57,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-12 01:03:57,212 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:03:57,212 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:03:57,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-12 01:03:57,213 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting thread1Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-11-12 01:03:57,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:03:57,213 INFO L85 PathProgramCache]: Analyzing trace with hash 1353695470, now seen corresponding path program 1 times [2023-11-12 01:03:57,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:03:57,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880382037] [2023-11-12 01:03:57,214 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:03:57,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:03:57,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:03:57,596 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 01:03:57,597 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:03:57,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880382037] [2023-11-12 01:03:57,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880382037] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:03:57,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:03:57,600 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 01:03:57,600 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649851986] [2023-11-12 01:03:57,601 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:03:57,604 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 01:03:57,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:03:57,605 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 01:03:57,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:03:57,605 INFO L87 Difference]: Start difference. First operand 3088 states and 8513 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 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) [2023-11-12 01:03:58,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:03:58,052 INFO L93 Difference]: Finished difference Result 2870 states and 7897 transitions. [2023-11-12 01:03:58,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 01:03:58,053 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 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 14 [2023-11-12 01:03:58,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:03:58,076 INFO L225 Difference]: With dead ends: 2870 [2023-11-12 01:03:58,076 INFO L226 Difference]: Without dead ends: 2870 [2023-11-12 01:03:58,076 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:03:58,079 INFO L413 NwaCegarLoop]: 42 mSDtfsCounter, 57 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 287 mSolverCounterSat, 75 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 58 SdHoareTripleChecker+Invalid, 362 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 75 IncrementalHoareTripleChecker+Valid, 287 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-12 01:03:58,080 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 58 Invalid, 362 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [75 Valid, 287 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-12 01:03:58,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2870 states. [2023-11-12 01:03:58,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2870 to 2870. [2023-11-12 01:03:58,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2870 states, 2861 states have (on average 2.7602236980076897) internal successors, (7897), 2869 states have internal predecessors, (7897), 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) [2023-11-12 01:03:58,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2870 states to 2870 states and 7897 transitions. [2023-11-12 01:03:58,213 INFO L78 Accepts]: Start accepts. Automaton has 2870 states and 7897 transitions. Word has length 14 [2023-11-12 01:03:58,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:03:58,214 INFO L495 AbstractCegarLoop]: Abstraction has 2870 states and 7897 transitions. [2023-11-12 01:03:58,214 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 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) [2023-11-12 01:03:58,214 INFO L276 IsEmpty]: Start isEmpty. Operand 2870 states and 7897 transitions. [2023-11-12 01:03:58,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-12 01:03:58,216 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:03:58,217 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:03:58,217 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-12 01:03:58,217 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting thread2Err6ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-11-12 01:03:58,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:03:58,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1348883967, now seen corresponding path program 1 times [2023-11-12 01:03:58,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:03:58,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427933319] [2023-11-12 01:03:58,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:03:58,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:03:58,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:03:58,518 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 01:03:58,518 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:03:58,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427933319] [2023-11-12 01:03:58,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427933319] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:03:58,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:03:58,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 01:03:58,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018147539] [2023-11-12 01:03:58,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:03:58,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 01:03:58,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:03:58,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 01:03:58,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:03:58,523 INFO L87 Difference]: Start difference. First operand 2870 states and 7897 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2023-11-12 01:03:58,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:03:58,870 INFO L93 Difference]: Finished difference Result 2554 states and 7025 transitions. [2023-11-12 01:03:58,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 01:03:58,870 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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 15 [2023-11-12 01:03:58,871 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:03:58,890 INFO L225 Difference]: With dead ends: 2554 [2023-11-12 01:03:58,891 INFO L226 Difference]: Without dead ends: 2492 [2023-11-12 01:03:58,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:03:58,892 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 33 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 01:03:58,892 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 30 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 01:03:58,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2492 states. [2023-11-12 01:03:58,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2492 to 2492. [2023-11-12 01:03:58,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2492 states, 2491 states have (on average 2.7703733440385387) internal successors, (6901), 2491 states have internal predecessors, (6901), 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) [2023-11-12 01:03:58,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 2492 states and 6901 transitions. [2023-11-12 01:03:58,976 INFO L78 Accepts]: Start accepts. Automaton has 2492 states and 6901 transitions. Word has length 15 [2023-11-12 01:03:58,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:03:58,977 INFO L495 AbstractCegarLoop]: Abstraction has 2492 states and 6901 transitions. [2023-11-12 01:03:58,977 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 5 states have internal predecessors, (15), 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) [2023-11-12 01:03:58,977 INFO L276 IsEmpty]: Start isEmpty. Operand 2492 states and 6901 transitions. [2023-11-12 01:03:58,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-12 01:03:58,979 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:03:58,979 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:03:58,980 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-12 01:03:58,980 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 83 more)] === [2023-11-12 01:03:58,980 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:03:58,980 INFO L85 PathProgramCache]: Analyzing trace with hash 1275529721, now seen corresponding path program 1 times [2023-11-12 01:03:58,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:03:58,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1522064578] [2023-11-12 01:03:58,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:03:58,981 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:03:59,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:03:59,251 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-12 01:03:59,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-12 01:03:59,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1522064578] [2023-11-12 01:03:59,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1522064578] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:03:59,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:03:59,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 01:03:59,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1032356979] [2023-11-12 01:03:59,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:03:59,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-12 01:03:59,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-12 01:03:59,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-12 01:03:59,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:03:59,254 INFO L87 Difference]: Start difference. First operand 2492 states and 6901 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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) [2023-11-12 01:03:59,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:03:59,640 INFO L93 Difference]: Finished difference Result 2460 states and 6837 transitions. [2023-11-12 01:03:59,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-12 01:03:59,641 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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 19 [2023-11-12 01:03:59,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:03:59,641 INFO L225 Difference]: With dead ends: 2460 [2023-11-12 01:03:59,641 INFO L226 Difference]: Without dead ends: 0 [2023-11-12 01:03:59,641 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:03:59,642 INFO L413 NwaCegarLoop]: 41 mSDtfsCounter, 48 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 270 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 63 SdHoareTripleChecker+Invalid, 318 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-12 01:03:59,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 63 Invalid, 318 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 270 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-12 01:03:59,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-12 01:03:59,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-12 01:03:59,643 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) [2023-11-12 01:03:59,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-12 01:03:59,643 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2023-11-12 01:03:59,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:03:59,644 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-12 01:03:59,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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) [2023-11-12 01:03:59,644 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-12 01:03:59,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-12 01:03:59,647 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (86 of 87 remaining) [2023-11-12 01:03:59,649 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (85 of 87 remaining) [2023-11-12 01:03:59,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (84 of 87 remaining) [2023-11-12 01:03:59,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (83 of 87 remaining) [2023-11-12 01:03:59,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (82 of 87 remaining) [2023-11-12 01:03:59,650 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (81 of 87 remaining) [2023-11-12 01:03:59,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (80 of 87 remaining) [2023-11-12 01:03:59,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (79 of 87 remaining) [2023-11-12 01:03:59,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (78 of 87 remaining) [2023-11-12 01:03:59,651 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (77 of 87 remaining) [2023-11-12 01:03:59,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (76 of 87 remaining) [2023-11-12 01:03:59,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (75 of 87 remaining) [2023-11-12 01:03:59,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (74 of 87 remaining) [2023-11-12 01:03:59,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (73 of 87 remaining) [2023-11-12 01:03:59,652 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (72 of 87 remaining) [2023-11-12 01:03:59,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (71 of 87 remaining) [2023-11-12 01:03:59,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (70 of 87 remaining) [2023-11-12 01:03:59,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (69 of 87 remaining) [2023-11-12 01:03:59,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (68 of 87 remaining) [2023-11-12 01:03:59,653 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (67 of 87 remaining) [2023-11-12 01:03:59,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (66 of 87 remaining) [2023-11-12 01:03:59,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (65 of 87 remaining) [2023-11-12 01:03:59,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (64 of 87 remaining) [2023-11-12 01:03:59,654 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (63 of 87 remaining) [2023-11-12 01:03:59,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (62 of 87 remaining) [2023-11-12 01:03:59,660 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (61 of 87 remaining) [2023-11-12 01:03:59,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (60 of 87 remaining) [2023-11-12 01:03:59,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (59 of 87 remaining) [2023-11-12 01:03:59,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (58 of 87 remaining) [2023-11-12 01:03:59,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (57 of 87 remaining) [2023-11-12 01:03:59,661 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (56 of 87 remaining) [2023-11-12 01:03:59,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (55 of 87 remaining) [2023-11-12 01:03:59,662 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (54 of 87 remaining) [2023-11-12 01:03:59,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (53 of 87 remaining) [2023-11-12 01:03:59,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (52 of 87 remaining) [2023-11-12 01:03:59,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (51 of 87 remaining) [2023-11-12 01:03:59,663 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (50 of 87 remaining) [2023-11-12 01:03:59,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (49 of 87 remaining) [2023-11-12 01:03:59,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (48 of 87 remaining) [2023-11-12 01:03:59,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (47 of 87 remaining) [2023-11-12 01:03:59,664 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (46 of 87 remaining) [2023-11-12 01:03:59,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (45 of 87 remaining) [2023-11-12 01:03:59,665 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (44 of 87 remaining) [2023-11-12 01:03:59,669 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (43 of 87 remaining) [2023-11-12 01:03:59,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (42 of 87 remaining) [2023-11-12 01:03:59,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (41 of 87 remaining) [2023-11-12 01:03:59,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (40 of 87 remaining) [2023-11-12 01:03:59,670 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (39 of 87 remaining) [2023-11-12 01:03:59,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (38 of 87 remaining) [2023-11-12 01:03:59,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (37 of 87 remaining) [2023-11-12 01:03:59,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err0ASSERT_VIOLATIONDATA_RACE (36 of 87 remaining) [2023-11-12 01:03:59,671 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err1ASSERT_VIOLATIONDATA_RACE (35 of 87 remaining) [2023-11-12 01:03:59,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err2ASSERT_VIOLATIONDATA_RACE (34 of 87 remaining) [2023-11-12 01:03:59,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err3ASSERT_VIOLATIONDATA_RACE (33 of 87 remaining) [2023-11-12 01:03:59,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err4ASSERT_VIOLATIONDATA_RACE (32 of 87 remaining) [2023-11-12 01:03:59,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err5ASSERT_VIOLATIONDATA_RACE (31 of 87 remaining) [2023-11-12 01:03:59,672 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err6ASSERT_VIOLATIONDATA_RACE (30 of 87 remaining) [2023-11-12 01:03:59,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread1Err7ASSERT_VIOLATIONDATA_RACE (29 of 87 remaining) [2023-11-12 01:03:59,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err0ASSERT_VIOLATIONDATA_RACE (28 of 87 remaining) [2023-11-12 01:03:59,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err1ASSERT_VIOLATIONDATA_RACE (27 of 87 remaining) [2023-11-12 01:03:59,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err2ASSERT_VIOLATIONDATA_RACE (26 of 87 remaining) [2023-11-12 01:03:59,673 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err3ASSERT_VIOLATIONDATA_RACE (25 of 87 remaining) [2023-11-12 01:03:59,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err4ASSERT_VIOLATIONDATA_RACE (24 of 87 remaining) [2023-11-12 01:03:59,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err5ASSERT_VIOLATIONDATA_RACE (23 of 87 remaining) [2023-11-12 01:03:59,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err6ASSERT_VIOLATIONDATA_RACE (22 of 87 remaining) [2023-11-12 01:03:59,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err7ASSERT_VIOLATIONDATA_RACE (21 of 87 remaining) [2023-11-12 01:03:59,674 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err8ASSERT_VIOLATIONDATA_RACE (20 of 87 remaining) [2023-11-12 01:03:59,675 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err9ASSERT_VIOLATIONDATA_RACE (19 of 87 remaining) [2023-11-12 01:03:59,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err10ASSERT_VIOLATIONDATA_RACE (18 of 87 remaining) [2023-11-12 01:03:59,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err11ASSERT_VIOLATIONDATA_RACE (17 of 87 remaining) [2023-11-12 01:03:59,681 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err12ASSERT_VIOLATIONDATA_RACE (16 of 87 remaining) [2023-11-12 01:03:59,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err13ASSERT_VIOLATIONDATA_RACE (15 of 87 remaining) [2023-11-12 01:03:59,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err14ASSERT_VIOLATIONDATA_RACE (14 of 87 remaining) [2023-11-12 01:03:59,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err15ASSERT_VIOLATIONDATA_RACE (13 of 87 remaining) [2023-11-12 01:03:59,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err16ASSERT_VIOLATIONDATA_RACE (12 of 87 remaining) [2023-11-12 01:03:59,682 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err17ASSERT_VIOLATIONDATA_RACE (11 of 87 remaining) [2023-11-12 01:03:59,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err18ASSERT_VIOLATIONDATA_RACE (10 of 87 remaining) [2023-11-12 01:03:59,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err19ASSERT_VIOLATIONDATA_RACE (9 of 87 remaining) [2023-11-12 01:03:59,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err20ASSERT_VIOLATIONDATA_RACE (8 of 87 remaining) [2023-11-12 01:03:59,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err21ASSERT_VIOLATIONDATA_RACE (7 of 87 remaining) [2023-11-12 01:03:59,683 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err22ASSERT_VIOLATIONDATA_RACE (6 of 87 remaining) [2023-11-12 01:03:59,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err23ASSERT_VIOLATIONDATA_RACE (5 of 87 remaining) [2023-11-12 01:03:59,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err24ASSERT_VIOLATIONDATA_RACE (4 of 87 remaining) [2023-11-12 01:03:59,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err25ASSERT_VIOLATIONDATA_RACE (3 of 87 remaining) [2023-11-12 01:03:59,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err26ASSERT_VIOLATIONDATA_RACE (2 of 87 remaining) [2023-11-12 01:03:59,684 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err27ASSERT_VIOLATIONDATA_RACE (1 of 87 remaining) [2023-11-12 01:03:59,685 INFO L805 garLoopResultBuilder]: Registering result SAFE for location thread2Err28ASSERT_VIOLATIONDATA_RACE (0 of 87 remaining) [2023-11-12 01:03:59,685 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-12 01:03:59,701 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2023-11-12 01:03:59,708 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-12 01:03:59,708 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 01:03:59,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 01:03:59 BasicIcfg [2023-11-12 01:03:59,727 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 01:03:59,728 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 01:03:59,728 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 01:03:59,729 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 01:03:59,729 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:03:38" (3/4) ... [2023-11-12 01:03:59,731 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-12 01:03:59,736 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1 [2023-11-12 01:03:59,736 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2 [2023-11-12 01:03:59,743 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2023-11-12 01:03:59,743 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-12 01:03:59,744 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-12 01:03:59,744 INFO L944 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-12 01:03:59,855 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5058c7bb-b15e-4296-a42e-bd0a72dbf4e6/bin/utaipan-verify-NcY6lQBIFX/witness.graphml [2023-11-12 01:03:59,855 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5058c7bb-b15e-4296-a42e-bd0a72dbf4e6/bin/utaipan-verify-NcY6lQBIFX/witness.yml [2023-11-12 01:03:59,856 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 01:03:59,856 INFO L158 Benchmark]: Toolchain (without parser) took 23292.47ms. Allocated memory was 132.1MB in the beginning and 318.8MB in the end (delta: 186.6MB). Free memory was 85.2MB in the beginning and 160.7MB in the end (delta: -75.5MB). Peak memory consumption was 113.5MB. Max. memory is 16.1GB. [2023-11-12 01:03:59,857 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 132.1MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:03:59,857 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.82ms. Allocated memory is still 132.1MB. Free memory was 84.9MB in the beginning and 72.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-12 01:03:59,858 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.45ms. Allocated memory is still 132.1MB. Free memory was 72.4MB in the beginning and 69.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 01:03:59,858 INFO L158 Benchmark]: Boogie Preprocessor took 50.57ms. Allocated memory is still 132.1MB. Free memory was 69.1MB in the beginning and 66.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 01:03:59,859 INFO L158 Benchmark]: RCFGBuilder took 1007.40ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 66.7MB in the beginning and 112.7MB in the end (delta: -46.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. [2023-11-12 01:03:59,859 INFO L158 Benchmark]: TraceAbstraction took 21696.29ms. Allocated memory was 163.6MB in the beginning and 318.8MB in the end (delta: 155.2MB). Free memory was 112.0MB in the beginning and 167.0MB in the end (delta: -55.0MB). Peak memory consumption was 100.6MB. Max. memory is 16.1GB. [2023-11-12 01:03:59,859 INFO L158 Benchmark]: Witness Printer took 127.77ms. Allocated memory is still 318.8MB. Free memory was 167.0MB in the beginning and 160.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-12 01:03:59,862 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 132.1MB. Free memory is still 79.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 315.82ms. Allocated memory is still 132.1MB. Free memory was 84.9MB in the beginning and 72.4MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.45ms. Allocated memory is still 132.1MB. Free memory was 72.4MB in the beginning and 69.1MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.57ms. Allocated memory is still 132.1MB. Free memory was 69.1MB in the beginning and 66.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1007.40ms. Allocated memory was 132.1MB in the beginning and 163.6MB in the end (delta: 31.5MB). Free memory was 66.7MB in the beginning and 112.7MB in the end (delta: -46.0MB). Peak memory consumption was 17.0MB. Max. memory is 16.1GB. * TraceAbstraction took 21696.29ms. Allocated memory was 163.6MB in the beginning and 318.8MB in the end (delta: 155.2MB). Free memory was 112.0MB in the beginning and 167.0MB in the end (delta: -55.0MB). Peak memory consumption was 100.6MB. Max. memory is 16.1GB. * Witness Printer took 127.77ms. Allocated memory is still 318.8MB. Free memory was 167.0MB in the beginning and 160.7MB 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: 15.4s, 400 PlacesBefore, 117 PlacesAfterwards, 414 TransitionsBefore, 120 TransitionsAfterwards, 29390 CoEnabledTransitionPairs, 11 FixpointIterations, 145 TrivialSequentialCompositions, 343 ConcurrentSequentialCompositions, 28 TrivialYvCompositions, 42 ConcurrentYvCompositions, 11 ChoiceCompositions, 569 TotalNumberOfCompositions, 106843 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 52436, independent: 51204, independent conditional: 0, independent unconditional: 51204, dependent: 1232, dependent conditional: 0, dependent unconditional: 1232, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 23977, independent: 23725, independent conditional: 0, independent unconditional: 23725, dependent: 252, dependent conditional: 0, dependent unconditional: 252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 23977, independent: 22089, independent conditional: 0, independent unconditional: 22089, dependent: 1888, dependent conditional: 0, dependent unconditional: 1888, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1888, independent: 1636, independent conditional: 0, independent unconditional: 1636, dependent: 252, dependent conditional: 0, dependent unconditional: 252, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3317, independent: 2569, independent conditional: 0, independent unconditional: 2569, dependent: 747, dependent conditional: 0, dependent unconditional: 747, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 52436, independent: 27479, independent conditional: 0, independent unconditional: 27479, dependent: 980, dependent conditional: 0, dependent unconditional: 980, unknown: 23977, unknown conditional: 0, unknown unconditional: 23977] , Statistics on independence cache: Total cache size (in pairs): 2646, Positive cache size: 2542, Positive conditional cache size: 0, Positive unconditional cache size: 2542, Negative cache size: 104, Negative conditional cache size: 0, Negative unconditional cache size: 104, 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: 49]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 50]: 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: 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: 59]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 60]: 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: 61]: 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: 61]: 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: 63]: 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: 64]: 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: 64]: 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: 66]: 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: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 67]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 69]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 70]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 80]: 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: 105]: 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: 85]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 90]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 91]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 93]: 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, 629 locations, 87 error locations. Started 1 CEGAR loops. OverallTime: 21.4s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 15.9s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 216 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 216 mSDsluCounter, 305 SdHoareTripleChecker+Invalid, 1.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 101 mSDsCounter, 275 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1265 IncrementalHoareTripleChecker+Invalid, 1540 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 275 mSolverCounterUnsat, 204 mSDtfsCounter, 1265 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9020occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.6s InterpolantComputationTime, 68 NumberOfCodeBlocks, 68 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 62 ConstructedInterpolants, 0 QuantifiedInterpolants, 298 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 4/4 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 48 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-12 01:03:59,888 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5058c7bb-b15e-4296-a42e-bd0a72dbf4e6/bin/utaipan-verify-NcY6lQBIFX/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