./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3917f3a2-7c7f-4ef7-8fba-3837135d1bad/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3917f3a2-7c7f-4ef7-8fba-3837135d1bad/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3917f3a2-7c7f-4ef7-8fba-3837135d1bad/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3917f3a2-7c7f-4ef7-8fba-3837135d1bad/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3917f3a2-7c7f-4ef7-8fba-3837135d1bad/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3917f3a2-7c7f-4ef7-8fba-3837135d1bad/bin/utaipan-verify-nQ1chXbOIh --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 658086e6a2b970f68ba6fa20919311f7cc4c75e1705e5ad288c4fd1e6439159f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 14:16:57,506 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 14:16:57,573 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3917f3a2-7c7f-4ef7-8fba-3837135d1bad/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-12-02 14:16:57,578 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 14:16:57,579 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 14:16:57,605 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 14:16:57,606 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 14:16:57,606 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 14:16:57,607 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 14:16:57,607 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 14:16:57,608 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 14:16:57,609 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 14:16:57,609 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 14:16:57,610 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 14:16:57,610 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 14:16:57,611 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 14:16:57,611 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 14:16:57,612 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 14:16:57,612 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 14:16:57,613 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 14:16:57,613 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 14:16:57,614 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 14:16:57,615 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 14:16:57,616 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 14:16:57,616 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 14:16:57,617 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 14:16:57,617 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 14:16:57,617 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 14:16:57,618 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 14:16:57,618 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 14:16:57,619 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 14:16:57,619 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-12-02 14:16:57,620 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 14:16:57,620 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 14:16:57,620 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 14:16:57,621 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 14:16:57,621 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 14:16:57,621 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 14:16:57,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:16:57,622 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 14:16:57,622 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 14:16:57,622 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 14:16:57,622 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 14:16:57,623 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 14:16:57,623 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 14:16:57,623 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 14:16:57,623 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 14:16:57,623 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 14:16:57,624 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_3917f3a2-7c7f-4ef7-8fba-3837135d1bad/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3917f3a2-7c7f-4ef7-8fba-3837135d1bad/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 658086e6a2b970f68ba6fa20919311f7cc4c75e1705e5ad288c4fd1e6439159f [2023-12-02 14:16:57,867 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 14:16:57,891 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 14:16:57,894 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 14:16:57,895 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 14:16:57,896 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 14:16:57,897 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3917f3a2-7c7f-4ef7-8fba-3837135d1bad/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i [2023-12-02 14:17:01,071 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 14:17:01,302 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 14:17:01,302 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3917f3a2-7c7f-4ef7-8fba-3837135d1bad/sv-benchmarks/c/pthread-divine/one_time_barrier_3t.i [2023-12-02 14:17:01,320 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3917f3a2-7c7f-4ef7-8fba-3837135d1bad/bin/utaipan-verify-nQ1chXbOIh/data/f079b5096/a19523f82c874bfebf436c73c4e16248/FLAGb6ca8bc2e [2023-12-02 14:17:01,336 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3917f3a2-7c7f-4ef7-8fba-3837135d1bad/bin/utaipan-verify-nQ1chXbOIh/data/f079b5096/a19523f82c874bfebf436c73c4e16248 [2023-12-02 14:17:01,339 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 14:17:01,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 14:17:01,341 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 14:17:01,341 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 14:17:01,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 14:17:01,348 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:17:01" (1/1) ... [2023-12-02 14:17:01,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f21d7d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:01, skipping insertion in model container [2023-12-02 14:17:01,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:17:01" (1/1) ... [2023-12-02 14:17:01,408 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 14:17:01,836 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:17:01,851 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 14:17:01,923 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 14:17:01,972 INFO L206 MainTranslator]: Completed translation [2023-12-02 14:17:01,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:01 WrapperNode [2023-12-02 14:17:01,973 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 14:17:01,974 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 14:17:01,975 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 14:17:01,975 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 14:17:01,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:01" (1/1) ... [2023-12-02 14:17:02,007 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:01" (1/1) ... [2023-12-02 14:17:02,075 INFO L138 Inliner]: procedures = 174, calls = 91, calls flagged for inlining = 20, calls inlined = 35, statements flattened = 910 [2023-12-02 14:17:02,075 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 14:17:02,076 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 14:17:02,077 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 14:17:02,077 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 14:17:02,087 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:01" (1/1) ... [2023-12-02 14:17:02,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:01" (1/1) ... [2023-12-02 14:17:02,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:01" (1/1) ... [2023-12-02 14:17:02,105 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:01" (1/1) ... [2023-12-02 14:17:02,165 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:01" (1/1) ... [2023-12-02 14:17:02,213 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:01" (1/1) ... [2023-12-02 14:17:02,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:01" (1/1) ... [2023-12-02 14:17:02,226 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:01" (1/1) ... [2023-12-02 14:17:02,238 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 14:17:02,239 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 14:17:02,240 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 14:17:02,240 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 14:17:02,241 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:01" (1/1) ... [2023-12-02 14:17:02,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 14:17:02,287 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3917f3a2-7c7f-4ef7-8fba-3837135d1bad/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:17:02,300 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3917f3a2-7c7f-4ef7-8fba-3837135d1bad/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 14:17:02,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3917f3a2-7c7f-4ef7-8fba-3837135d1bad/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 14:17:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 14:17:02,338 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 14:17:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-12-02 14:17:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure worker_fn [2023-12-02 14:17:02,339 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_fn [2023-12-02 14:17:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 14:17:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-12-02 14:17:02,339 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 14:17:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-12-02 14:17:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 14:17:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 14:17:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock [2023-12-02 14:17:02,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 14:17:02,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 14:17:02,343 WARN L213 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-12-02 14:17:02,529 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 14:17:02,532 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 14:17:03,809 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 14:17:03,859 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 14:17:03,859 INFO L309 CfgBuilder]: Removed 16 assume(true) statements. [2023-12-02 14:17:03,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:17:03 BoogieIcfgContainer [2023-12-02 14:17:03,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 14:17:03,864 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 14:17:03,864 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 14:17:03,867 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 14:17:03,867 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:17:01" (1/3) ... [2023-12-02 14:17:03,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db881df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:17:03, skipping insertion in model container [2023-12-02 14:17:03,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:17:01" (2/3) ... [2023-12-02 14:17:03,868 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1db881df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:17:03, skipping insertion in model container [2023-12-02 14:17:03,868 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:17:03" (3/3) ... [2023-12-02 14:17:03,870 INFO L112 eAbstractionObserver]: Analyzing ICFG one_time_barrier_3t.i [2023-12-02 14:17:03,877 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-12-02 14:17:03,908 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 14:17:03,908 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 76 error locations. [2023-12-02 14:17:03,908 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-12-02 14:17:04,090 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-12-02 14:17:04,138 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 972 places, 1058 transitions, 2123 flow [2023-12-02 14:17:07,699 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 186017 states, 184575 states have (on average 2.203359068129487) internal successors, (406685), 186016 states have internal predecessors, (406685), 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) [2023-12-02 14:17:07,722 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 14:17:07,729 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;@3cde9a74, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 14:17:07,730 INFO L358 AbstractCegarLoop]: Starting to check reachability of 111 error locations. [2023-12-02 14:17:08,097 INFO L276 IsEmpty]: Start isEmpty. Operand has 186017 states, 184575 states have (on average 2.203359068129487) internal successors, (406685), 186016 states have internal predecessors, (406685), 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) [2023-12-02 14:17:08,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2023-12-02 14:17:08,107 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:17:08,108 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:17:08,109 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2023-12-02 14:17:08,114 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:17:08,114 INFO L85 PathProgramCache]: Analyzing trace with hash 322890383, now seen corresponding path program 1 times [2023-12-02 14:17:08,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:17:08,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371260058] [2023-12-02 14:17:08,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:17:08,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:17:08,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:17:08,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:17:08,927 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:17:08,927 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371260058] [2023-12-02 14:17:08,928 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371260058] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:17:08,928 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:17:08,928 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 14:17:08,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2091497596] [2023-12-02 14:17:08,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:17:08,935 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 14:17:08,935 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:17:08,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 14:17:08,962 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:17:09,198 INFO L87 Difference]: Start difference. First operand has 186017 states, 184575 states have (on average 2.203359068129487) internal successors, (406685), 186016 states have internal predecessors, (406685), 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 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 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) [2023-12-02 14:17:11,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:17:11,944 INFO L93 Difference]: Finished difference Result 164332 states and 334213 transitions. [2023-12-02 14:17:11,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:17:11,946 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 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 45 [2023-12-02 14:17:11,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:17:12,728 INFO L225 Difference]: With dead ends: 164332 [2023-12-02 14:17:12,728 INFO L226 Difference]: Without dead ends: 162039 [2023-12-02 14:17:12,730 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:17:12,735 INFO L413 NwaCegarLoop]: 907 mSDtfsCounter, 1 mSDsluCounter, 1605 mSDsCounter, 0 mSdLazyCounter, 1210 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2512 SdHoareTripleChecker+Invalid, 1210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1210 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2023-12-02 14:17:12,736 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2512 Invalid, 1210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1210 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2023-12-02 14:17:13,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162039 states. [2023-12-02 14:17:16,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162039 to 162039. [2023-12-02 14:17:16,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162039 states, 159668 states have (on average 2.0647217977302903) internal successors, (329670), 162038 states have internal predecessors, (329670), 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) [2023-12-02 14:17:17,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162039 states to 162039 states and 329670 transitions. [2023-12-02 14:17:17,910 INFO L78 Accepts]: Start accepts. Automaton has 162039 states and 329670 transitions. Word has length 45 [2023-12-02 14:17:17,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:17:17,911 INFO L495 AbstractCegarLoop]: Abstraction has 162039 states and 329670 transitions. [2023-12-02 14:17:17,911 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.0) internal successors, (45), 6 states have internal predecessors, (45), 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) [2023-12-02 14:17:17,911 INFO L276 IsEmpty]: Start isEmpty. Operand 162039 states and 329670 transitions. [2023-12-02 14:17:17,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-12-02 14:17:17,913 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:17:17,913 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:17:17,913 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-12-02 14:17:17,914 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2023-12-02 14:17:17,914 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:17:17,914 INFO L85 PathProgramCache]: Analyzing trace with hash 1476023321, now seen corresponding path program 1 times [2023-12-02 14:17:17,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:17:17,915 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [853406757] [2023-12-02 14:17:17,915 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:17:17,915 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:17:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:17:17,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:17:17,993 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:17:17,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [853406757] [2023-12-02 14:17:17,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [853406757] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:17:17,994 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:17:17,994 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:17:17,994 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150760796] [2023-12-02 14:17:17,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:17:17,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:17:17,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:17:17,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:17:17,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:17:17,998 INFO L87 Difference]: Start difference. First operand 162039 states and 329670 transitions. Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2023-12-02 14:17:18,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:17:18,809 INFO L93 Difference]: Finished difference Result 162068 states and 329699 transitions. [2023-12-02 14:17:18,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:17:18,810 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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 51 [2023-12-02 14:17:18,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:17:19,419 INFO L225 Difference]: With dead ends: 162068 [2023-12-02 14:17:19,419 INFO L226 Difference]: Without dead ends: 162068 [2023-12-02 14:17:19,419 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:17:19,421 INFO L413 NwaCegarLoop]: 885 mSDtfsCounter, 28 mSDsluCounter, 880 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 1765 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:17:19,421 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 1765 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:17:19,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162068 states. [2023-12-02 14:17:22,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162068 to 162040. [2023-12-02 14:17:23,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162040 states, 159669 states have (on average 2.064715129423996) internal successors, (329671), 162039 states have internal predecessors, (329671), 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) [2023-12-02 14:17:23,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162040 states to 162040 states and 329671 transitions. [2023-12-02 14:17:23,492 INFO L78 Accepts]: Start accepts. Automaton has 162040 states and 329671 transitions. Word has length 51 [2023-12-02 14:17:23,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:17:23,492 INFO L495 AbstractCegarLoop]: Abstraction has 162040 states and 329671 transitions. [2023-12-02 14:17:23,493 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 3 states have internal predecessors, (51), 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) [2023-12-02 14:17:23,493 INFO L276 IsEmpty]: Start isEmpty. Operand 162040 states and 329671 transitions. [2023-12-02 14:17:23,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-12-02 14:17:23,495 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:17:23,495 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:17:23,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-12-02 14:17:23,496 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2023-12-02 14:17:23,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:17:23,497 INFO L85 PathProgramCache]: Analyzing trace with hash -2100024491, now seen corresponding path program 1 times [2023-12-02 14:17:23,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:17:23,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379530473] [2023-12-02 14:17:23,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:17:23,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:17:23,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:17:24,251 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:17:24,251 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:17:24,252 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379530473] [2023-12-02 14:17:24,252 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379530473] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:17:24,252 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:17:24,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 14:17:24,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244179686] [2023-12-02 14:17:24,253 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:17:24,253 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 14:17:24,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:17:24,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 14:17:24,255 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:17:24,255 INFO L87 Difference]: Start difference. First operand 162040 states and 329671 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:17:26,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:17:26,285 INFO L93 Difference]: Finished difference Result 162039 states and 329670 transitions. [2023-12-02 14:17:26,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:17:26,286 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 53 [2023-12-02 14:17:26,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:17:26,671 INFO L225 Difference]: With dead ends: 162039 [2023-12-02 14:17:26,671 INFO L226 Difference]: Without dead ends: 162039 [2023-12-02 14:17:26,671 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:17:26,673 INFO L413 NwaCegarLoop]: 903 mSDtfsCounter, 1 mSDsluCounter, 1596 mSDsCounter, 0 mSdLazyCounter, 1207 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 2499 SdHoareTripleChecker+Invalid, 1207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:17:26,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 2499 Invalid, 1207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1207 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-12-02 14:17:27,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162039 states. [2023-12-02 14:17:29,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162039 to 162039. [2023-12-02 14:17:30,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162039 states, 159669 states have (on average 2.064708866467505) internal successors, (329670), 162038 states have internal predecessors, (329670), 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) [2023-12-02 14:17:30,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162039 states to 162039 states and 329670 transitions. [2023-12-02 14:17:30,916 INFO L78 Accepts]: Start accepts. Automaton has 162039 states and 329670 transitions. Word has length 53 [2023-12-02 14:17:30,917 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:17:30,917 INFO L495 AbstractCegarLoop]: Abstraction has 162039 states and 329670 transitions. [2023-12-02 14:17:30,918 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-12-02 14:17:30,918 INFO L276 IsEmpty]: Start isEmpty. Operand 162039 states and 329670 transitions. [2023-12-02 14:17:30,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-12-02 14:17:30,919 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:17:30,920 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:17:30,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-12-02 14:17:30,920 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2023-12-02 14:17:30,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:17:30,921 INFO L85 PathProgramCache]: Analyzing trace with hash -715253264, now seen corresponding path program 1 times [2023-12-02 14:17:30,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:17:30,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787574837] [2023-12-02 14:17:30,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:17:30,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:17:30,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:17:31,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:17:31,359 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:17:31,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787574837] [2023-12-02 14:17:31,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787574837] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:17:31,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:17:31,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 14:17:31,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158589863] [2023-12-02 14:17:31,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:17:31,360 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 14:17:31,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:17:31,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 14:17:31,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:17:31,361 INFO L87 Difference]: Start difference. First operand 162039 states and 329670 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 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) [2023-12-02 14:17:32,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:17:32,927 INFO L93 Difference]: Finished difference Result 162038 states and 329669 transitions. [2023-12-02 14:17:32,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:17:32,928 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 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 61 [2023-12-02 14:17:32,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:17:33,377 INFO L225 Difference]: With dead ends: 162038 [2023-12-02 14:17:33,377 INFO L226 Difference]: Without dead ends: 162038 [2023-12-02 14:17:33,378 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:17:33,380 INFO L413 NwaCegarLoop]: 902 mSDtfsCounter, 4 mSDsluCounter, 532 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 1434 SdHoareTripleChecker+Invalid, 420 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 14:17:33,381 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 1434 Invalid, 420 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 14:17:33,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162038 states. [2023-12-02 14:17:36,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162038 to 162038. [2023-12-02 14:17:36,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162038 states, 159669 states have (on average 2.064702603511013) internal successors, (329669), 162037 states have internal predecessors, (329669), 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) [2023-12-02 14:17:37,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162038 states to 162038 states and 329669 transitions. [2023-12-02 14:17:37,665 INFO L78 Accepts]: Start accepts. Automaton has 162038 states and 329669 transitions. Word has length 61 [2023-12-02 14:17:37,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:17:37,665 INFO L495 AbstractCegarLoop]: Abstraction has 162038 states and 329669 transitions. [2023-12-02 14:17:37,666 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 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) [2023-12-02 14:17:37,666 INFO L276 IsEmpty]: Start isEmpty. Operand 162038 states and 329669 transitions. [2023-12-02 14:17:37,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-12-02 14:17:37,674 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:17:37,675 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:17:37,675 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-12-02 14:17:37,676 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2023-12-02 14:17:37,676 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:17:37,677 INFO L85 PathProgramCache]: Analyzing trace with hash 40505724, now seen corresponding path program 1 times [2023-12-02 14:17:37,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:17:37,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116970599] [2023-12-02 14:17:37,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:17:37,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:17:37,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:17:37,803 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:17:37,804 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:17:37,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116970599] [2023-12-02 14:17:37,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2116970599] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 14:17:37,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899797492] [2023-12-02 14:17:37,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:17:37,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:17:37,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3917f3a2-7c7f-4ef7-8fba-3837135d1bad/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 14:17:37,809 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3917f3a2-7c7f-4ef7-8fba-3837135d1bad/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 14:17:37,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3917f3a2-7c7f-4ef7-8fba-3837135d1bad/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 14:17:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:17:37,975 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 14:17:37,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 14:17:38,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:17:38,062 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 14:17:38,122 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 14:17:38,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899797492] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 14:17:38,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSifa [1249288670] [2023-12-02 14:17:38,136 FATAL L? ?]: Ignoring exception! java.lang.UnsupportedOperationException: Construction of path programs is not yet supported for concurrent programs at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram$PathProgramConstructor.(PathProgram.java:243) at de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.cfg.PathProgram.constructPathProgram(PathProgram.java:112) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.SifaRunner.(SifaRunner.java:91) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSifa.construct(IpTcStrategyModuleSifa.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 14:17:38,138 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 14:17:38,139 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 6 [2023-12-02 14:17:38,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1526906942] [2023-12-02 14:17:38,139 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 14:17:38,140 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 14:17:38,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:17:38,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 14:17:38,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:17:38,141 INFO L87 Difference]: Start difference. First operand 162038 states and 329669 transitions. Second operand has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 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) [2023-12-02 14:17:38,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:17:38,918 INFO L93 Difference]: Finished difference Result 162094 states and 329725 transitions. [2023-12-02 14:17:38,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 14:17:38,919 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 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 79 [2023-12-02 14:17:38,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:17:39,297 INFO L225 Difference]: With dead ends: 162094 [2023-12-02 14:17:39,298 INFO L226 Difference]: Without dead ends: 162094 [2023-12-02 14:17:39,298 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 155 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:17:39,299 INFO L413 NwaCegarLoop]: 885 mSDtfsCounter, 26 mSDsluCounter, 2641 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 3526 SdHoareTripleChecker+Invalid, 186 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 14:17:39,299 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 3526 Invalid, 186 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 14:17:40,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162094 states. [2023-12-02 14:17:43,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162094 to 162094. [2023-12-02 14:17:43,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162094 states, 159725 states have (on average 2.0643293160118956) internal successors, (329725), 162093 states have internal predecessors, (329725), 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) [2023-12-02 14:17:43,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162094 states to 162094 states and 329725 transitions. [2023-12-02 14:17:43,638 INFO L78 Accepts]: Start accepts. Automaton has 162094 states and 329725 transitions. Word has length 79 [2023-12-02 14:17:43,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:17:43,639 INFO L495 AbstractCegarLoop]: Abstraction has 162094 states and 329725 transitions. [2023-12-02 14:17:43,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.833333333333332) internal successors, (137), 6 states have internal predecessors, (137), 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) [2023-12-02 14:17:43,639 INFO L276 IsEmpty]: Start isEmpty. Operand 162094 states and 329725 transitions. [2023-12-02 14:17:43,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2023-12-02 14:17:43,641 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:17:43,642 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:17:43,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3917f3a2-7c7f-4ef7-8fba-3837135d1bad/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 14:17:43,842 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3917f3a2-7c7f-4ef7-8fba-3837135d1bad/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 14:17:43,843 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2023-12-02 14:17:43,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:17:43,843 INFO L85 PathProgramCache]: Analyzing trace with hash 440788162, now seen corresponding path program 2 times [2023-12-02 14:17:43,844 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:17:43,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427970854] [2023-12-02 14:17:43,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:17:43,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:17:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:17:44,597 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-12-02 14:17:44,598 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:17:44,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [427970854] [2023-12-02 14:17:44,598 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [427970854] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:17:44,598 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:17:44,598 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 14:17:44,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [165885949] [2023-12-02 14:17:44,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:17:44,599 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 14:17:44,599 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:17:44,600 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 14:17:44,600 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:17:44,600 INFO L87 Difference]: Start difference. First operand 162094 states and 329725 transitions. Second operand has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 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) [2023-12-02 14:17:46,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:17:46,236 INFO L93 Difference]: Finished difference Result 162093 states and 329724 transitions. [2023-12-02 14:17:46,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:17:46,237 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 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 135 [2023-12-02 14:17:46,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:17:46,609 INFO L225 Difference]: With dead ends: 162093 [2023-12-02 14:17:46,609 INFO L226 Difference]: Without dead ends: 162093 [2023-12-02 14:17:46,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:17:46,610 INFO L413 NwaCegarLoop]: 901 mSDtfsCounter, 3 mSDsluCounter, 1082 mSDsCounter, 0 mSdLazyCounter, 791 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1983 SdHoareTripleChecker+Invalid, 791 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 791 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-12-02 14:17:46,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1983 Invalid, 791 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 791 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-12-02 14:17:47,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162093 states. [2023-12-02 14:17:50,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162093 to 162093. [2023-12-02 14:17:50,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162093 states, 159725 states have (on average 2.064323055251213) internal successors, (329724), 162092 states have internal predecessors, (329724), 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) [2023-12-02 14:17:51,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162093 states to 162093 states and 329724 transitions. [2023-12-02 14:17:51,204 INFO L78 Accepts]: Start accepts. Automaton has 162093 states and 329724 transitions. Word has length 135 [2023-12-02 14:17:51,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:17:51,204 INFO L495 AbstractCegarLoop]: Abstraction has 162093 states and 329724 transitions. [2023-12-02 14:17:51,204 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.8) internal successors, (79), 6 states have internal predecessors, (79), 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) [2023-12-02 14:17:51,205 INFO L276 IsEmpty]: Start isEmpty. Operand 162093 states and 329724 transitions. [2023-12-02 14:17:51,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2023-12-02 14:17:51,206 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:17:51,206 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:17:51,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-12-02 14:17:51,207 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2023-12-02 14:17:51,207 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:17:51,207 INFO L85 PathProgramCache]: Analyzing trace with hash 784439394, now seen corresponding path program 1 times [2023-12-02 14:17:51,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:17:51,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449556811] [2023-12-02 14:17:51,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:17:51,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:17:51,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:17:51,731 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-12-02 14:17:51,731 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:17:51,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449556811] [2023-12-02 14:17:51,732 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449556811] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:17:51,732 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:17:51,732 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 14:17:51,732 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1038316349] [2023-12-02 14:17:51,732 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:17:51,733 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 14:17:51,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:17:51,733 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 14:17:51,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:17:51,734 INFO L87 Difference]: Start difference. First operand 162093 states and 329724 transitions. Second operand has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 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) [2023-12-02 14:17:53,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:17:53,219 INFO L93 Difference]: Finished difference Result 162092 states and 329723 transitions. [2023-12-02 14:17:53,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:17:53,220 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 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 143 [2023-12-02 14:17:53,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:17:53,609 INFO L225 Difference]: With dead ends: 162092 [2023-12-02 14:17:53,609 INFO L226 Difference]: Without dead ends: 162092 [2023-12-02 14:17:53,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:17:53,611 INFO L413 NwaCegarLoop]: 900 mSDtfsCounter, 2 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 411 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 1441 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 411 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-12-02 14:17:53,611 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 1441 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 411 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-12-02 14:17:53,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162092 states. [2023-12-02 14:17:56,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162092 to 162092. [2023-12-02 14:17:56,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162092 states, 159725 states have (on average 2.0643167944905305) internal successors, (329723), 162091 states have internal predecessors, (329723), 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) [2023-12-02 14:17:57,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162092 states to 162092 states and 329723 transitions. [2023-12-02 14:17:57,360 INFO L78 Accepts]: Start accepts. Automaton has 162092 states and 329723 transitions. Word has length 143 [2023-12-02 14:17:57,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:17:57,360 INFO L495 AbstractCegarLoop]: Abstraction has 162092 states and 329723 transitions. [2023-12-02 14:17:57,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.4) internal successors, (87), 6 states have internal predecessors, (87), 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) [2023-12-02 14:17:57,361 INFO L276 IsEmpty]: Start isEmpty. Operand 162092 states and 329723 transitions. [2023-12-02 14:17:57,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 14:17:57,362 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:17:57,363 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:17:57,363 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-12-02 14:17:57,363 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting worker_fnErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2023-12-02 14:17:57,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:17:57,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1514204151, now seen corresponding path program 1 times [2023-12-02 14:17:57,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:17:57,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704297029] [2023-12-02 14:17:57,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:17:57,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:17:57,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:17:58,632 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-12-02 14:17:58,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:17:58,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704297029] [2023-12-02 14:17:58,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [704297029] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:17:58,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:17:58,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 14:17:58,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1510280891] [2023-12-02 14:17:58,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:17:58,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 14:17:58,634 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:17:58,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 14:17:58,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:17:58,634 INFO L87 Difference]: Start difference. First operand 162092 states and 329723 transitions. Second operand has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 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) [2023-12-02 14:18:02,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:18:02,543 INFO L93 Difference]: Finished difference Result 165744 states and 337099 transitions. [2023-12-02 14:18:02,543 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 14:18:02,543 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 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 162 [2023-12-02 14:18:02,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:18:03,162 INFO L225 Difference]: With dead ends: 165744 [2023-12-02 14:18:03,162 INFO L226 Difference]: Without dead ends: 165744 [2023-12-02 14:18:03,162 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2023-12-02 14:18:03,163 INFO L413 NwaCegarLoop]: 1959 mSDtfsCounter, 1401 mSDsluCounter, 3770 mSDsCounter, 0 mSdLazyCounter, 3486 mSolverCounterSat, 337 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1401 SdHoareTripleChecker+Valid, 5729 SdHoareTripleChecker+Invalid, 3823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 337 IncrementalHoareTripleChecker+Valid, 3486 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:18:03,163 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1401 Valid, 5729 Invalid, 3823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [337 Valid, 3486 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-02 14:18:03,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165744 states. [2023-12-02 14:18:06,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165744 to 163699. [2023-12-02 14:18:06,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163699 states, 161334 states have (on average 2.063848909715249) internal successors, (332969), 163698 states have internal predecessors, (332969), 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) [2023-12-02 14:18:06,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163699 states to 163699 states and 332969 transitions. [2023-12-02 14:18:06,817 INFO L78 Accepts]: Start accepts. Automaton has 163699 states and 332969 transitions. Word has length 162 [2023-12-02 14:18:06,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:18:06,818 INFO L495 AbstractCegarLoop]: Abstraction has 163699 states and 332969 transitions. [2023-12-02 14:18:06,818 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 21.2) internal successors, (106), 6 states have internal predecessors, (106), 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) [2023-12-02 14:18:06,818 INFO L276 IsEmpty]: Start isEmpty. Operand 163699 states and 332969 transitions. [2023-12-02 14:18:06,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2023-12-02 14:18:06,820 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:18:06,820 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:18:06,821 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-12-02 14:18:06,821 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2023-12-02 14:18:06,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:18:06,821 INFO L85 PathProgramCache]: Analyzing trace with hash -1669890232, now seen corresponding path program 1 times [2023-12-02 14:18:06,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:18:06,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951786121] [2023-12-02 14:18:06,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:18:06,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:18:06,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 14:18:06,946 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2023-12-02 14:18:06,946 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-12-02 14:18:06,946 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951786121] [2023-12-02 14:18:06,946 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951786121] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 14:18:06,946 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 14:18:06,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 14:18:06,947 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [810708073] [2023-12-02 14:18:06,947 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 14:18:06,947 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 14:18:06,947 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-12-02 14:18:06,948 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 14:18:06,948 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:18:06,948 INFO L87 Difference]: Start difference. First operand 163699 states and 332969 transitions. Second operand has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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) [2023-12-02 14:18:08,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 14:18:08,017 INFO L93 Difference]: Finished difference Result 163354 states and 332615 transitions. [2023-12-02 14:18:08,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 14:18:08,017 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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 162 [2023-12-02 14:18:08,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 14:18:08,391 INFO L225 Difference]: With dead ends: 163354 [2023-12-02 14:18:08,392 INFO L226 Difference]: Without dead ends: 163354 [2023-12-02 14:18:08,392 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 14:18:08,392 INFO L413 NwaCegarLoop]: 900 mSDtfsCounter, 388 mSDsluCounter, 893 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 388 SdHoareTripleChecker+Valid, 1793 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 14:18:08,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [388 Valid, 1793 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 14:18:08,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163354 states. [2023-12-02 14:18:11,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163354 to 163354. [2023-12-02 14:18:11,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163354 states, 161023 states have (on average 2.0656365860777655) internal successors, (332615), 163353 states have internal predecessors, (332615), 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) [2023-12-02 14:18:12,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163354 states to 163354 states and 332615 transitions. [2023-12-02 14:18:12,199 INFO L78 Accepts]: Start accepts. Automaton has 163354 states and 332615 transitions. Word has length 162 [2023-12-02 14:18:12,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 14:18:12,200 INFO L495 AbstractCegarLoop]: Abstraction has 163354 states and 332615 transitions. [2023-12-02 14:18:12,200 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 35.333333333333336) internal successors, (106), 3 states have internal predecessors, (106), 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) [2023-12-02 14:18:12,200 INFO L276 IsEmpty]: Start isEmpty. Operand 163354 states and 332615 transitions. [2023-12-02 14:18:12,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-12-02 14:18:12,201 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 14:18:12,202 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:18:12,202 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-12-02 14:18:12,202 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (and 108 more)] === [2023-12-02 14:18:12,202 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 14:18:12,202 INFO L85 PathProgramCache]: Analyzing trace with hash -858972423, now seen corresponding path program 1 times [2023-12-02 14:18:12,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 14:18:12,203 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [224341607] [2023-12-02 14:18:12,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 14:18:12,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 14:18:12,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:18:12,278 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 14:18:12,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 14:18:12,397 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 14:18:12,398 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 14:18:12,399 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (110 of 111 remaining) [2023-12-02 14:18:12,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (109 of 111 remaining) [2023-12-02 14:18:12,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONDATA_RACE (108 of 111 remaining) [2023-12-02 14:18:12,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (107 of 111 remaining) [2023-12-02 14:18:12,401 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONDATA_RACE (106 of 111 remaining) [2023-12-02 14:18:12,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (105 of 111 remaining) [2023-12-02 14:18:12,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONDATA_RACE (104 of 111 remaining) [2023-12-02 14:18:12,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONDATA_RACE (103 of 111 remaining) [2023-12-02 14:18:12,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONDATA_RACE (102 of 111 remaining) [2023-12-02 14:18:12,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONDATA_RACE (101 of 111 remaining) [2023-12-02 14:18:12,402 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONDATA_RACE (100 of 111 remaining) [2023-12-02 14:18:12,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONDATA_RACE (99 of 111 remaining) [2023-12-02 14:18:12,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONDATA_RACE (98 of 111 remaining) [2023-12-02 14:18:12,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONDATA_RACE (97 of 111 remaining) [2023-12-02 14:18:12,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONDATA_RACE (96 of 111 remaining) [2023-12-02 14:18:12,403 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr14ASSERT_VIOLATIONDATA_RACE (95 of 111 remaining) [2023-12-02 14:18:12,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr15ASSERT_VIOLATIONDATA_RACE (94 of 111 remaining) [2023-12-02 14:18:12,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr16ASSERT_VIOLATIONDATA_RACE (93 of 111 remaining) [2023-12-02 14:18:12,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr18ASSERT_VIOLATIONDATA_RACE (92 of 111 remaining) [2023-12-02 14:18:12,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE (91 of 111 remaining) [2023-12-02 14:18:12,404 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr19ASSERT_VIOLATIONDATA_RACE (90 of 111 remaining) [2023-12-02 14:18:12,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr21ASSERT_VIOLATIONDATA_RACE (89 of 111 remaining) [2023-12-02 14:18:12,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr20ASSERT_VIOLATIONDATA_RACE (88 of 111 remaining) [2023-12-02 14:18:12,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr22ASSERT_VIOLATIONDATA_RACE (87 of 111 remaining) [2023-12-02 14:18:12,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr23ASSERT_VIOLATIONDATA_RACE (86 of 111 remaining) [2023-12-02 14:18:12,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr24ASSERT_VIOLATIONDATA_RACE (85 of 111 remaining) [2023-12-02 14:18:12,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr25ASSERT_VIOLATIONDATA_RACE (84 of 111 remaining) [2023-12-02 14:18:12,405 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr26ASSERT_VIOLATIONDATA_RACE (83 of 111 remaining) [2023-12-02 14:18:12,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr27ASSERT_VIOLATIONDATA_RACE (82 of 111 remaining) [2023-12-02 14:18:12,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr28ASSERT_VIOLATIONDATA_RACE (81 of 111 remaining) [2023-12-02 14:18:12,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr29ASSERT_VIOLATIONDATA_RACE (80 of 111 remaining) [2023-12-02 14:18:12,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr30ASSERT_VIOLATIONDATA_RACE (79 of 111 remaining) [2023-12-02 14:18:12,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr32ASSERT_VIOLATIONDATA_RACE (78 of 111 remaining) [2023-12-02 14:18:12,406 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr31ASSERT_VIOLATIONDATA_RACE (77 of 111 remaining) [2023-12-02 14:18:12,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr33ASSERT_VIOLATIONDATA_RACE (76 of 111 remaining) [2023-12-02 14:18:12,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr34ASSERT_VIOLATIONDATA_RACE (75 of 111 remaining) [2023-12-02 14:18:12,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr35ASSERT_VIOLATIONDATA_RACE (74 of 111 remaining) [2023-12-02 14:18:12,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr36ASSERT_VIOLATIONDATA_RACE (73 of 111 remaining) [2023-12-02 14:18:12,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr38ASSERT_VIOLATIONDATA_RACE (72 of 111 remaining) [2023-12-02 14:18:12,407 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr37ASSERT_VIOLATIONDATA_RACE (71 of 111 remaining) [2023-12-02 14:18:12,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr39ASSERT_VIOLATIONDATA_RACE (70 of 111 remaining) [2023-12-02 14:18:12,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr40ASSERT_VIOLATIONDATA_RACE (69 of 111 remaining) [2023-12-02 14:18:12,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr41ASSERT_VIOLATIONDATA_RACE (68 of 111 remaining) [2023-12-02 14:18:12,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr0ASSERT_VIOLATIONDATA_RACE (67 of 111 remaining) [2023-12-02 14:18:12,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr1ASSERT_VIOLATIONDATA_RACE (66 of 111 remaining) [2023-12-02 14:18:12,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr2ASSERT_VIOLATIONDATA_RACE (65 of 111 remaining) [2023-12-02 14:18:12,408 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr4ASSERT_VIOLATIONDATA_RACE (64 of 111 remaining) [2023-12-02 14:18:12,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr3ASSERT_VIOLATIONDATA_RACE (63 of 111 remaining) [2023-12-02 14:18:12,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr5ASSERT_VIOLATIONDATA_RACE (62 of 111 remaining) [2023-12-02 14:18:12,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr6ASSERT_VIOLATIONDATA_RACE (61 of 111 remaining) [2023-12-02 14:18:12,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr7ASSERT_VIOLATIONDATA_RACE (60 of 111 remaining) [2023-12-02 14:18:12,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr8ASSERT_VIOLATIONDATA_RACE (59 of 111 remaining) [2023-12-02 14:18:12,409 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr9ASSERT_VIOLATIONDATA_RACE (58 of 111 remaining) [2023-12-02 14:18:12,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr10ASSERT_VIOLATIONDATA_RACE (57 of 111 remaining) [2023-12-02 14:18:12,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr11ASSERT_VIOLATIONDATA_RACE (56 of 111 remaining) [2023-12-02 14:18:12,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr13ASSERT_VIOLATIONDATA_RACE (55 of 111 remaining) [2023-12-02 14:18:12,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr12ASSERT_VIOLATIONDATA_RACE (54 of 111 remaining) [2023-12-02 14:18:12,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr14ASSERT_VIOLATIONDATA_RACE (53 of 111 remaining) [2023-12-02 14:18:12,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr16ASSERT_VIOLATIONDATA_RACE (52 of 111 remaining) [2023-12-02 14:18:12,410 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr15ASSERT_VIOLATIONDATA_RACE (51 of 111 remaining) [2023-12-02 14:18:12,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr17ASSERT_VIOLATIONDATA_RACE (50 of 111 remaining) [2023-12-02 14:18:12,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr18ASSERT_VIOLATIONDATA_RACE (49 of 111 remaining) [2023-12-02 14:18:12,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr19ASSERT_VIOLATIONDATA_RACE (48 of 111 remaining) [2023-12-02 14:18:12,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr20ASSERT_VIOLATIONDATA_RACE (47 of 111 remaining) [2023-12-02 14:18:12,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr21ASSERT_VIOLATIONDATA_RACE (46 of 111 remaining) [2023-12-02 14:18:12,411 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr22ASSERT_VIOLATIONDATA_RACE (45 of 111 remaining) [2023-12-02 14:18:12,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr23ASSERT_VIOLATIONDATA_RACE (44 of 111 remaining) [2023-12-02 14:18:12,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr24ASSERT_VIOLATIONDATA_RACE (43 of 111 remaining) [2023-12-02 14:18:12,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr25ASSERT_VIOLATIONDATA_RACE (42 of 111 remaining) [2023-12-02 14:18:12,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr27ASSERT_VIOLATIONDATA_RACE (41 of 111 remaining) [2023-12-02 14:18:12,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr26ASSERT_VIOLATIONDATA_RACE (40 of 111 remaining) [2023-12-02 14:18:12,412 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr28ASSERT_VIOLATIONDATA_RACE (39 of 111 remaining) [2023-12-02 14:18:12,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr29ASSERT_VIOLATIONDATA_RACE (38 of 111 remaining) [2023-12-02 14:18:12,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr30ASSERT_VIOLATIONDATA_RACE (37 of 111 remaining) [2023-12-02 14:18:12,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr31ASSERT_VIOLATIONDATA_RACE (36 of 111 remaining) [2023-12-02 14:18:12,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr33ASSERT_VIOLATIONDATA_RACE (35 of 111 remaining) [2023-12-02 14:18:12,413 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr32ASSERT_VIOLATIONDATA_RACE (34 of 111 remaining) [2023-12-02 14:18:12,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr0ASSERT_VIOLATIONDATA_RACE (33 of 111 remaining) [2023-12-02 14:18:12,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr1ASSERT_VIOLATIONDATA_RACE (32 of 111 remaining) [2023-12-02 14:18:12,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr2ASSERT_VIOLATIONDATA_RACE (31 of 111 remaining) [2023-12-02 14:18:12,414 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr4ASSERT_VIOLATIONDATA_RACE (30 of 111 remaining) [2023-12-02 14:18:12,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr3ASSERT_VIOLATIONDATA_RACE (29 of 111 remaining) [2023-12-02 14:18:12,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr5ASSERT_VIOLATIONDATA_RACE (28 of 111 remaining) [2023-12-02 14:18:12,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr6ASSERT_VIOLATIONDATA_RACE (27 of 111 remaining) [2023-12-02 14:18:12,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr7ASSERT_VIOLATIONDATA_RACE (26 of 111 remaining) [2023-12-02 14:18:12,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr8ASSERT_VIOLATIONDATA_RACE (25 of 111 remaining) [2023-12-02 14:18:12,415 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr9ASSERT_VIOLATIONDATA_RACE (24 of 111 remaining) [2023-12-02 14:18:12,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr10ASSERT_VIOLATIONDATA_RACE (23 of 111 remaining) [2023-12-02 14:18:12,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr11ASSERT_VIOLATIONDATA_RACE (22 of 111 remaining) [2023-12-02 14:18:12,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr13ASSERT_VIOLATIONDATA_RACE (21 of 111 remaining) [2023-12-02 14:18:12,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr12ASSERT_VIOLATIONDATA_RACE (20 of 111 remaining) [2023-12-02 14:18:12,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr14ASSERT_VIOLATIONDATA_RACE (19 of 111 remaining) [2023-12-02 14:18:12,416 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr16ASSERT_VIOLATIONDATA_RACE (18 of 111 remaining) [2023-12-02 14:18:12,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr15ASSERT_VIOLATIONDATA_RACE (17 of 111 remaining) [2023-12-02 14:18:12,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr17ASSERT_VIOLATIONDATA_RACE (16 of 111 remaining) [2023-12-02 14:18:12,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr18ASSERT_VIOLATIONDATA_RACE (15 of 111 remaining) [2023-12-02 14:18:12,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr19ASSERT_VIOLATIONDATA_RACE (14 of 111 remaining) [2023-12-02 14:18:12,417 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr20ASSERT_VIOLATIONDATA_RACE (13 of 111 remaining) [2023-12-02 14:18:12,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr21ASSERT_VIOLATIONDATA_RACE (12 of 111 remaining) [2023-12-02 14:18:12,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr22ASSERT_VIOLATIONDATA_RACE (11 of 111 remaining) [2023-12-02 14:18:12,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr23ASSERT_VIOLATIONDATA_RACE (10 of 111 remaining) [2023-12-02 14:18:12,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr24ASSERT_VIOLATIONDATA_RACE (9 of 111 remaining) [2023-12-02 14:18:12,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr25ASSERT_VIOLATIONDATA_RACE (8 of 111 remaining) [2023-12-02 14:18:12,418 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr27ASSERT_VIOLATIONDATA_RACE (7 of 111 remaining) [2023-12-02 14:18:12,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr26ASSERT_VIOLATIONDATA_RACE (6 of 111 remaining) [2023-12-02 14:18:12,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr28ASSERT_VIOLATIONDATA_RACE (5 of 111 remaining) [2023-12-02 14:18:12,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr29ASSERT_VIOLATIONDATA_RACE (4 of 111 remaining) [2023-12-02 14:18:12,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr30ASSERT_VIOLATIONDATA_RACE (3 of 111 remaining) [2023-12-02 14:18:12,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr31ASSERT_VIOLATIONDATA_RACE (2 of 111 remaining) [2023-12-02 14:18:12,419 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr33ASSERT_VIOLATIONDATA_RACE (1 of 111 remaining) [2023-12-02 14:18:12,420 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location worker_fnErr32ASSERT_VIOLATIONDATA_RACE (0 of 111 remaining) [2023-12-02 14:18:12,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-12-02 14:18:12,423 INFO L445 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 14:18:12,426 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2023-12-02 14:18:12,426 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2023-12-02 14:18:12,585 INFO L144 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2023-12-02 14:18:12,595 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 1372 places, 1495 transitions, 3006 flow