./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b27609-8cbb-4a16-b17d-2dcddef91229/bin/utaipan-verify-t7M7D8N6sZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b27609-8cbb-4a16-b17d-2dcddef91229/bin/utaipan-verify-t7M7D8N6sZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b27609-8cbb-4a16-b17d-2dcddef91229/bin/utaipan-verify-t7M7D8N6sZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b27609-8cbb-4a16-b17d-2dcddef91229/bin/utaipan-verify-t7M7D8N6sZ/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b27609-8cbb-4a16-b17d-2dcddef91229/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b27609-8cbb-4a16-b17d-2dcddef91229/bin/utaipan-verify-t7M7D8N6sZ --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bdbcb1f6d336419408bc21eb9ac3a89d4566c9a0348f626a712e605b31e52535 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 05:23:34,286 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 05:23:34,397 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b27609-8cbb-4a16-b17d-2dcddef91229/bin/utaipan-verify-t7M7D8N6sZ/config/svcomp-DataRace-32bit-Taipan_Default.epf [2023-11-19 05:23:34,404 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 05:23:34,404 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 05:23:34,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 05:23:34,433 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 05:23:34,433 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 05:23:34,434 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 05:23:34,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 05:23:34,435 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-19 05:23:34,436 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-19 05:23:34,437 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-19 05:23:34,437 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-19 05:23:34,438 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-19 05:23:34,439 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-19 05:23:34,439 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-19 05:23:34,440 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-19 05:23:34,441 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-19 05:23:34,441 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-19 05:23:34,442 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-19 05:23:34,443 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-19 05:23:34,444 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 05:23:34,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 05:23:34,445 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 05:23:34,446 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 05:23:34,446 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 05:23:34,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 05:23:34,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 05:23:34,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 05:23:34,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 05:23:34,449 INFO L153 SettingsManager]: * Check absence of data races in concurrent programs=true [2023-11-19 05:23:34,450 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 05:23:34,450 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 05:23:34,451 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 05:23:34,451 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 05:23:34,451 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 05:23:34,452 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 05:23:34,452 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:23:34,453 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 05:23:34,453 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 05:23:34,454 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 05:23:34,454 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-19 05:23:34,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 05:23:34,455 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 05:23:34,455 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-19 05:23:34,455 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 05:23:34,456 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_16b27609-8cbb-4a16-b17d-2dcddef91229/bin/utaipan-verify-t7M7D8N6sZ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b27609-8cbb-4a16-b17d-2dcddef91229/bin/utaipan-verify-t7M7D8N6sZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdbcb1f6d336419408bc21eb9ac3a89d4566c9a0348f626a712e605b31e52535 [2023-11-19 05:23:34,701 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 05:23:34,735 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 05:23:34,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 05:23:34,740 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 05:23:34,740 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 05:23:34,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b27609-8cbb-4a16-b17d-2dcddef91229/bin/utaipan-verify-t7M7D8N6sZ/../../sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i [2023-11-19 05:23:37,839 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 05:23:38,138 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 05:23:38,138 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b27609-8cbb-4a16-b17d-2dcddef91229/sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i [2023-11-19 05:23:38,154 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b27609-8cbb-4a16-b17d-2dcddef91229/bin/utaipan-verify-t7M7D8N6sZ/data/85eb0b8ad/16511576345541519034c43871341673/FLAG02f784614 [2023-11-19 05:23:38,170 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b27609-8cbb-4a16-b17d-2dcddef91229/bin/utaipan-verify-t7M7D8N6sZ/data/85eb0b8ad/16511576345541519034c43871341673 [2023-11-19 05:23:38,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 05:23:38,175 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 05:23:38,177 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:38,177 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 05:23:38,183 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 05:23:38,183 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,184 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@997a7eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38, skipping insertion in model container [2023-11-19 05:23:38,185 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,231 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 05:23:38,605 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:23:38,624 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 05:23:38,712 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 05:23:38,757 INFO L206 MainTranslator]: Completed translation [2023-11-19 05:23:38,758 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38 WrapperNode [2023-11-19 05:23:38,758 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 05:23:38,759 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 05:23:38,760 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 05:23:38,760 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 05:23:38,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,807 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,842 INFO L138 Inliner]: procedures = 162, calls = 32, calls flagged for inlining = 6, calls inlined = 8, statements flattened = 102 [2023-11-19 05:23:38,843 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 05:23:38,844 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 05:23:38,844 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 05:23:38,844 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 05:23:38,853 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,854 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,863 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,881 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,891 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,893 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,899 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,902 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 05:23:38,908 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 05:23:38,908 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 05:23:38,909 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 05:23:38,910 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (1/1) ... [2023-11-19 05:23:38,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 05:23:38,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b27609-8cbb-4a16-b17d-2dcddef91229/bin/utaipan-verify-t7M7D8N6sZ/z3 [2023-11-19 05:23:38,942 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b27609-8cbb-4a16-b17d-2dcddef91229/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 05:23:38,955 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b27609-8cbb-4a16-b17d-2dcddef91229/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 05:23:38,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 05:23:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 05:23:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2023-11-19 05:23:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 05:23:38,986 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 05:23:38,987 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2023-11-19 05:23:38,987 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2023-11-19 05:23:38,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 05:23:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 05:23:38,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 05:23:38,990 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 05:23:38,991 WARN L210 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2023-11-19 05:23:39,140 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 05:23:39,142 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 05:23:39,426 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 05:23:39,437 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 05:23:39,437 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 05:23:39,441 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:39 BoogieIcfgContainer [2023-11-19 05:23:39,441 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 05:23:39,456 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 05:23:39,457 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 05:23:39,463 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 05:23:39,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 05:23:38" (1/3) ... [2023-11-19 05:23:39,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a100b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:23:39, skipping insertion in model container [2023-11-19 05:23:39,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 05:23:38" (2/3) ... [2023-11-19 05:23:39,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a100b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 05:23:39, skipping insertion in model container [2023-11-19 05:23:39,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:39" (3/3) ... [2023-11-19 05:23:39,466 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_20-publish-regression_true.i [2023-11-19 05:23:39,477 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2023-11-19 05:23:39,486 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 05:23:39,487 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-19 05:23:39,487 INFO L514 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2023-11-19 05:23:39,546 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2023-11-19 05:23:39,585 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2023-11-19 05:23:39,600 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 122 places, 124 transitions, 255 flow [2023-11-19 05:23:39,632 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 122 places, 124 transitions, 255 flow [2023-11-19 05:23:39,640 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 122 places, 124 transitions, 255 flow [2023-11-19 05:23:39,699 INFO L124 PetriNetUnfolderBase]: 6/123 cut-off events. [2023-11-19 05:23:39,699 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES. [2023-11-19 05:23:39,706 INFO L83 FinitePrefix]: Finished finitePrefix Result has 128 conditions, 123 events. 6/123 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 116 event pairs, 0 based on Foata normal form. 0/111 useless extension candidates. Maximal degree in co-relation 70. Up to 2 conditions per place. [2023-11-19 05:23:39,709 INFO L119 LiptonReduction]: Number of co-enabled transitions 2378 [2023-11-19 05:23:44,276 INFO L134 LiptonReduction]: Checked pairs total: 9144 [2023-11-19 05:23:44,277 INFO L136 LiptonReduction]: Total number of compositions: 163 [2023-11-19 05:23:44,292 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 33 places, 31 transitions, 69 flow [2023-11-19 05:23:44,346 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 144 states, 132 states have (on average 2.159090909090909) internal successors, (285), 143 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:44,365 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 05:23:44,371 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;@3cba54b0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-19 05:23:44,371 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2023-11-19 05:23:44,373 INFO L276 IsEmpty]: Start isEmpty. Operand has 144 states, 132 states have (on average 2.159090909090909) internal successors, (285), 143 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:44,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2023-11-19 05:23:44,378 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:44,379 INFO L195 NwaCegarLoop]: trace histogram [1] [2023-11-19 05:23:44,379 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-19 05:23:44,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:44,385 INFO L85 PathProgramCache]: Analyzing trace with hash 488, now seen corresponding path program 1 times [2023-11-19 05:23:44,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:23:44,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868831461] [2023-11-19 05:23:44,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:44,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:23:44,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:23:44,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:23:44,514 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:23:44,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868831461] [2023-11-19 05:23:44,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868831461] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:23:44,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:23:44,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2023-11-19 05:23:44,517 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647318972] [2023-11-19 05:23:44,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:23:44,522 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 05:23:44,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:23:44,547 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 05:23:44,548 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:23:44,551 INFO L87 Difference]: Start difference. First operand has 144 states, 132 states have (on average 2.159090909090909) internal successors, (285), 143 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:44,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:23:44,596 INFO L93 Difference]: Finished difference Result 134 states and 242 transitions. [2023-11-19 05:23:44,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 05:23:44,598 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2023-11-19 05:23:44,599 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:23:44,608 INFO L225 Difference]: With dead ends: 134 [2023-11-19 05:23:44,608 INFO L226 Difference]: Without dead ends: 134 [2023-11-19 05:23:44,609 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 05:23:44,613 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:23:44,614 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:23:44,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2023-11-19 05:23:44,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2023-11-19 05:23:44,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 126 states have (on average 1.9206349206349207) internal successors, (242), 133 states have internal predecessors, (242), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:44,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 242 transitions. [2023-11-19 05:23:44,661 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 242 transitions. Word has length 1 [2023-11-19 05:23:44,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:23:44,661 INFO L495 AbstractCegarLoop]: Abstraction has 134 states and 242 transitions. [2023-11-19 05:23:44,661 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:44,662 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 242 transitions. [2023-11-19 05:23:44,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-19 05:23:44,662 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:44,662 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-19 05:23:44,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 05:23:44,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-19 05:23:44,664 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:44,664 INFO L85 PathProgramCache]: Analyzing trace with hash 467903880, now seen corresponding path program 1 times [2023-11-19 05:23:44,664 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:23:44,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447286169] [2023-11-19 05:23:44,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:44,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:23:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:23:44,798 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:23:44,798 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:23:44,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1447286169] [2023-11-19 05:23:44,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1447286169] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:23:44,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:23:44,799 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:23:44,799 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228407248] [2023-11-19 05:23:44,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:23:44,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:23:44,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:23:44,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:23:44,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:23:44,803 INFO L87 Difference]: Start difference. First operand 134 states and 242 transitions. Second operand has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:44,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:23:44,884 INFO L93 Difference]: Finished difference Result 188 states and 332 transitions. [2023-11-19 05:23:44,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:23:44,885 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 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 5 [2023-11-19 05:23:44,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:23:44,890 INFO L225 Difference]: With dead ends: 188 [2023-11-19 05:23:44,890 INFO L226 Difference]: Without dead ends: 188 [2023-11-19 05:23:44,891 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:23:44,893 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 18 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:23:44,894 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 10 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:23:44,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-11-19 05:23:44,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 141. [2023-11-19 05:23:44,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 133 states have (on average 1.9022556390977443) internal successors, (253), 140 states have internal predecessors, (253), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:44,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 253 transitions. [2023-11-19 05:23:44,922 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 253 transitions. Word has length 5 [2023-11-19 05:23:44,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:23:44,922 INFO L495 AbstractCegarLoop]: Abstraction has 141 states and 253 transitions. [2023-11-19 05:23:44,922 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.5) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:44,922 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 253 transitions. [2023-11-19 05:23:44,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 05:23:44,923 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:44,923 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-19 05:23:44,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 05:23:44,924 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-19 05:23:44,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:44,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1618218840, now seen corresponding path program 1 times [2023-11-19 05:23:44,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:23:44,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937015376] [2023-11-19 05:23:44,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:44,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:23:44,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:23:44,995 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:23:44,996 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:23:44,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937015376] [2023-11-19 05:23:44,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937015376] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:23:44,997 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:23:44,997 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:23:44,997 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527805751] [2023-11-19 05:23:44,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:23:44,998 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:23:44,998 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:23:44,998 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:23:44,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:23:44,999 INFO L87 Difference]: Start difference. First operand 141 states and 253 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:45,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:23:45,047 INFO L93 Difference]: Finished difference Result 142 states and 254 transitions. [2023-11-19 05:23:45,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:23:45,047 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2023-11-19 05:23:45,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:23:45,050 INFO L225 Difference]: With dead ends: 142 [2023-11-19 05:23:45,050 INFO L226 Difference]: Without dead ends: 142 [2023-11-19 05:23:45,051 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:23:45,052 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 7 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:23:45,053 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 9 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:23:45,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-19 05:23:45,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 142. [2023-11-19 05:23:45,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 135 states have (on average 1.8814814814814815) internal successors, (254), 141 states have internal predecessors, (254), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:45,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 254 transitions. [2023-11-19 05:23:45,065 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 254 transitions. Word has length 6 [2023-11-19 05:23:45,065 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:23:45,065 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 254 transitions. [2023-11-19 05:23:45,065 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:45,066 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 254 transitions. [2023-11-19 05:23:45,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 05:23:45,066 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:45,067 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:23:45,067 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-19 05:23:45,067 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-19 05:23:45,068 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:45,068 INFO L85 PathProgramCache]: Analyzing trace with hash -2134172224, now seen corresponding path program 1 times [2023-11-19 05:23:45,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:23:45,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [286727354] [2023-11-19 05:23:45,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:45,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:23:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:23:45,248 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:23:45,249 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:23:45,249 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [286727354] [2023-11-19 05:23:45,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [286727354] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:23:45,249 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:23:45,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:23:45,250 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506068002] [2023-11-19 05:23:45,250 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:23:45,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:23:45,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:23:45,251 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:23:45,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:23:45,251 INFO L87 Difference]: Start difference. First operand 142 states and 254 transitions. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:45,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:23:45,328 INFO L93 Difference]: Finished difference Result 113 states and 188 transitions. [2023-11-19 05:23:45,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:23:45,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2023-11-19 05:23:45,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:23:45,333 INFO L225 Difference]: With dead ends: 113 [2023-11-19 05:23:45,333 INFO L226 Difference]: Without dead ends: 113 [2023-11-19 05:23:45,334 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 [2023-11-19 05:23:45,335 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 12 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 15 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-19 05:23:45,336 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 15 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-19 05:23:45,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-19 05:23:45,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 105. [2023-11-19 05:23:45,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 100 states have (on average 1.76) internal successors, (176), 104 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:45,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 176 transitions. [2023-11-19 05:23:45,344 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 176 transitions. Word has length 8 [2023-11-19 05:23:45,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:23:45,345 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 176 transitions. [2023-11-19 05:23:45,345 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:45,345 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 176 transitions. [2023-11-19 05:23:45,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-19 05:23:45,346 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:45,346 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:23:45,346 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-19 05:23:45,347 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-19 05:23:45,347 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:45,348 INFO L85 PathProgramCache]: Analyzing trace with hash -2138914591, now seen corresponding path program 1 times [2023-11-19 05:23:45,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:23:45,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296555734] [2023-11-19 05:23:45,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:45,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:23:45,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:23:45,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:23:45,619 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:23:45,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1296555734] [2023-11-19 05:23:45,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1296555734] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:23:45,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:23:45,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:23:45,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [166693071] [2023-11-19 05:23:45,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:23:45,621 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:23:45,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:23:45,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:23:45,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:23:45,624 INFO L87 Difference]: Start difference. First operand 105 states and 176 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:45,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:23:45,674 INFO L93 Difference]: Finished difference Result 91 states and 149 transitions. [2023-11-19 05:23:45,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:23:45,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 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 8 [2023-11-19 05:23:45,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:23:45,675 INFO L225 Difference]: With dead ends: 91 [2023-11-19 05:23:45,676 INFO L226 Difference]: Without dead ends: 73 [2023-11-19 05:23:45,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:23:45,677 INFO L413 NwaCegarLoop]: 11 mSDtfsCounter, 13 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:23:45,678 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 18 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:23:45,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2023-11-19 05:23:45,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2023-11-19 05:23:45,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 70 states have (on average 1.6142857142857143) internal successors, (113), 72 states have internal predecessors, (113), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:45,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 113 transitions. [2023-11-19 05:23:45,684 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 113 transitions. Word has length 8 [2023-11-19 05:23:45,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:23:45,684 INFO L495 AbstractCegarLoop]: Abstraction has 73 states and 113 transitions. [2023-11-19 05:23:45,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:45,685 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 113 transitions. [2023-11-19 05:23:45,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 05:23:45,686 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:45,686 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:23:45,686 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-19 05:23:45,686 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-19 05:23:45,687 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:45,687 INFO L85 PathProgramCache]: Analyzing trace with hash 1968301024, now seen corresponding path program 1 times [2023-11-19 05:23:45,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:23:45,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329281911] [2023-11-19 05:23:45,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:45,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:23:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:23:45,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:23:45,739 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:23:45,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329281911] [2023-11-19 05:23:45,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329281911] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:23:45,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:23:45,744 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 05:23:45,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [741861923] [2023-11-19 05:23:45,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:23:45,745 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-19 05:23:45,745 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:23:45,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-19 05:23:45,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:23:45,747 INFO L87 Difference]: Start difference. First operand 73 states and 113 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:45,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:23:45,790 INFO L93 Difference]: Finished difference Result 73 states and 108 transitions. [2023-11-19 05:23:45,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-19 05:23:45,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-19 05:23:45,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:23:45,791 INFO L225 Difference]: With dead ends: 73 [2023-11-19 05:23:45,791 INFO L226 Difference]: Without dead ends: 39 [2023-11-19 05:23:45,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-19 05:23:45,793 INFO L413 NwaCegarLoop]: 6 mSDtfsCounter, 7 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 7 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:23:45,793 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 7 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:23:45,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2023-11-19 05:23:45,796 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2023-11-19 05:23:45,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 37 states have (on average 1.4054054054054055) internal successors, (52), 38 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:45,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 52 transitions. [2023-11-19 05:23:45,796 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 52 transitions. Word has length 12 [2023-11-19 05:23:45,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:23:45,797 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 52 transitions. [2023-11-19 05:23:45,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:45,797 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 52 transitions. [2023-11-19 05:23:45,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 05:23:45,798 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 05:23:45,798 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:23:45,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-19 05:23:45,799 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2023-11-19 05:23:45,799 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 05:23:45,799 INFO L85 PathProgramCache]: Analyzing trace with hash -2051426496, now seen corresponding path program 1 times [2023-11-19 05:23:45,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-19 05:23:45,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [424699675] [2023-11-19 05:23:45,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 05:23:45,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 05:23:45,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 05:23:45,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 05:23:45,964 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-19 05:23:45,964 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [424699675] [2023-11-19 05:23:45,965 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [424699675] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 05:23:45,965 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 05:23:45,965 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-19 05:23:45,965 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852480106] [2023-11-19 05:23:45,965 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 05:23:45,966 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-19 05:23:45,966 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-19 05:23:45,966 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-19 05:23:45,966 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:23:45,967 INFO L87 Difference]: Start difference. First operand 39 states and 52 transitions. Second operand has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:45,991 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 05:23:45,991 INFO L93 Difference]: Finished difference Result 12 states and 11 transitions. [2023-11-19 05:23:45,992 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-19 05:23:45,992 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-19 05:23:45,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 05:23:45,992 INFO L225 Difference]: With dead ends: 12 [2023-11-19 05:23:45,992 INFO L226 Difference]: Without dead ends: 0 [2023-11-19 05:23:45,993 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2023-11-19 05:23:45,994 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 3 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 05:23:45,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 1 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 05:23:45,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-19 05:23:45,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-19 05:23:45,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:45,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-19 05:23:45,996 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 14 [2023-11-19 05:23:45,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 05:23:45,996 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-19 05:23:45,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.5) internal successors, (14), 3 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-19 05:23:45,997 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-19 05:23:45,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 05:23:45,999 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2023-11-19 05:23:46,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2023-11-19 05:23:46,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2023-11-19 05:23:46,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2023-11-19 05:23:46,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2023-11-19 05:23:46,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2023-11-19 05:23:46,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2023-11-19 05:23:46,001 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2023-11-19 05:23:46,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2023-11-19 05:23:46,002 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2023-11-19 05:23:46,002 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-19 05:23:46,005 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2023-11-19 05:23:46,010 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2023-11-19 05:23:46,010 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 05:23:46,013 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 05:23:46 BasicIcfg [2023-11-19 05:23:46,013 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 05:23:46,014 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 05:23:46,014 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 05:23:46,015 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 05:23:46,015 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 05:23:39" (3/4) ... [2023-11-19 05:23:46,017 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 05:23:46,021 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2023-11-19 05:23:46,027 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-11-19 05:23:46,027 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-19 05:23:46,027 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 05:23:46,028 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 05:23:46,116 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b27609-8cbb-4a16-b17d-2dcddef91229/bin/utaipan-verify-t7M7D8N6sZ/witness.graphml [2023-11-19 05:23:46,117 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b27609-8cbb-4a16-b17d-2dcddef91229/bin/utaipan-verify-t7M7D8N6sZ/witness.yml [2023-11-19 05:23:46,117 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 05:23:46,118 INFO L158 Benchmark]: Toolchain (without parser) took 7942.87ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 129.0MB in the beginning and 90.2MB in the end (delta: 38.8MB). Peak memory consumption was 75.0MB. Max. memory is 16.1GB. [2023-11-19 05:23:46,118 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 136.3MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:23:46,118 INFO L158 Benchmark]: CACSL2BoogieTranslator took 582.03ms. Allocated memory is still 167.8MB. Free memory was 128.5MB in the beginning and 109.1MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-19 05:23:46,119 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.74ms. Allocated memory is still 167.8MB. Free memory was 109.1MB in the beginning and 107.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 05:23:46,119 INFO L158 Benchmark]: Boogie Preprocessor took 63.68ms. Allocated memory is still 167.8MB. Free memory was 107.0MB in the beginning and 105.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 05:23:46,124 INFO L158 Benchmark]: RCFGBuilder took 533.45ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 90.2MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 05:23:46,125 INFO L158 Benchmark]: TraceAbstraction took 6557.10ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 89.7MB in the beginning and 94.4MB in the end (delta: -4.7MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. [2023-11-19 05:23:46,125 INFO L158 Benchmark]: Witness Printer took 102.88ms. Allocated memory is still 201.3MB. Free memory was 94.4MB in the beginning and 90.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 05:23:46,128 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 136.3MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 582.03ms. Allocated memory is still 167.8MB. Free memory was 128.5MB in the beginning and 109.1MB in the end (delta: 19.4MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.74ms. Allocated memory is still 167.8MB. Free memory was 109.1MB in the beginning and 107.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.68ms. Allocated memory is still 167.8MB. Free memory was 107.0MB in the beginning and 105.4MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 533.45ms. Allocated memory is still 167.8MB. Free memory was 105.4MB in the beginning and 90.2MB in the end (delta: 15.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 6557.10ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 89.7MB in the beginning and 94.4MB in the end (delta: -4.7MB). Peak memory consumption was 31.0MB. Max. memory is 16.1GB. * Witness Printer took 102.88ms. Allocated memory is still 201.3MB. Free memory was 94.4MB in the beginning and 90.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.6s, 122 PlacesBefore, 33 PlacesAfterwards, 124 TransitionsBefore, 31 TransitionsAfterwards, 2378 CoEnabledTransitionPairs, 13 FixpointIterations, 54 TrivialSequentialCompositions, 78 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 18 ConcurrentYvCompositions, 4 ChoiceCompositions, 163 TotalNumberOfCompositions, 9144 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4772, independent: 4314, independent conditional: 0, independent unconditional: 4314, dependent: 458, dependent conditional: 0, dependent unconditional: 458, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2074, independent: 2010, independent conditional: 0, independent unconditional: 2010, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2074, independent: 1862, independent conditional: 0, independent unconditional: 1862, dependent: 212, dependent conditional: 0, dependent unconditional: 212, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 212, independent: 148, independent conditional: 0, independent unconditional: 148, dependent: 64, dependent conditional: 0, dependent unconditional: 64, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 330, independent: 155, independent conditional: 0, independent unconditional: 155, dependent: 175, dependent conditional: 0, dependent unconditional: 175, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4772, independent: 2304, independent conditional: 0, independent unconditional: 2304, dependent: 394, dependent conditional: 0, dependent unconditional: 394, unknown: 2074, unknown conditional: 0, unknown unconditional: 2074] , Statistics on independence cache: Total cache size (in pairs): 140, Positive cache size: 111, Positive conditional cache size: 0, Positive unconditional cache size: 111, Negative cache size: 29, Negative conditional cache size: 0, Negative unconditional cache size: 29, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 698]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 701]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 703]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 687]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 690]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 691]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 160 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 6.4s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 60 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 60 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 16 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 230 IncrementalHoareTripleChecker+Invalid, 241 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 52 mSDtfsCounter, 230 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=144occurred in iteration=0, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 55 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 54 NumberOfCodeBlocks, 54 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 47 ConstructedInterpolants, 0 QuantifiedInterpolants, 151 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 6 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2023-11-19 05:23:46,191 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_16b27609-8cbb-4a16-b17d-2dcddef91229/bin/utaipan-verify-t7M7D8N6sZ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE