./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 8393723b 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_576bfd53-5376-4156-ba3f-7a528fdc55bf/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576bfd53-5376-4156-ba3f-7a528fdc55bf/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576bfd53-5376-4156-ba3f-7a528fdc55bf/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576bfd53-5376-4156-ba3f-7a528fdc55bf/bin/utaipan-I9t0OCRTmS/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_576bfd53-5376-4156-ba3f-7a528fdc55bf/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576bfd53-5376-4156-ba3f-7a528fdc55bf/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --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 --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:49:50,617 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:49:50,620 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:49:50,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:49:50,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:49:50,670 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:49:50,672 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:49:50,676 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:49:50,678 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:49:50,687 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:49:50,688 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:49:50,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:49:50,691 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:49:50,693 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:49:50,694 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:49:50,696 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:49:50,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:49:50,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:49:50,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:49:50,706 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:49:50,708 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:49:50,709 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:49:50,712 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:49:50,713 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:49:50,723 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:49:50,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:49:50,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:49:50,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:49:50,725 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:49:50,726 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:49:50,726 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:49:50,727 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:49:50,728 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:49:50,729 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:49:50,730 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:49:50,730 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:49:50,731 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:49:50,731 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:49:50,731 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:49:50,732 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:49:50,733 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:49:50,734 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576bfd53-5376-4156-ba3f-7a528fdc55bf/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 07:49:50,758 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:49:50,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:49:50,758 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:49:50,759 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:49:50,760 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:49:50,760 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:49:50,760 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:49:50,760 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:49:50,761 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:49:50,761 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:49:50,761 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:49:50,762 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:49:50,762 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:49:50,762 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:49:50,763 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:49:50,763 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:49:50,763 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:49:50,763 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:49:50,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:49:50,765 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:49:50,765 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:49:50,765 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:49:50,765 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:49:50,766 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:49:50,766 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:49:50,766 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:49:50,767 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:49:50,767 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 07:49:50,767 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:49:50,767 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:49:50,768 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:49:50,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:49:50,768 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:49:50,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:49:50,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:49:50,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:49:50,770 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:49:50,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:49:50,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:49:50,770 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:49:50,771 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:49:50,771 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:49:50,771 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:49:50,771 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_576bfd53-5376-4156-ba3f-7a528fdc55bf/bin/utaipan-I9t0OCRTmS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576bfd53-5376-4156-ba3f-7a528fdc55bf/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bdbcb1f6d336419408bc21eb9ac3a89d4566c9a0348f626a712e605b31e52535 [2022-11-19 07:49:51,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:49:51,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:49:51,114 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:49:51,116 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:49:51,117 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:49:51,118 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576bfd53-5376-4156-ba3f-7a528fdc55bf/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i [2022-11-19 07:49:51,206 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576bfd53-5376-4156-ba3f-7a528fdc55bf/bin/utaipan-I9t0OCRTmS/data/3c771ac2f/9f427667529c4af681dc5c13699515d9/FLAG848c80029 [2022-11-19 07:49:51,828 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:49:51,833 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576bfd53-5376-4156-ba3f-7a528fdc55bf/sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i [2022-11-19 07:49:51,850 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576bfd53-5376-4156-ba3f-7a528fdc55bf/bin/utaipan-I9t0OCRTmS/data/3c771ac2f/9f427667529c4af681dc5c13699515d9/FLAG848c80029 [2022-11-19 07:49:52,195 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576bfd53-5376-4156-ba3f-7a528fdc55bf/bin/utaipan-I9t0OCRTmS/data/3c771ac2f/9f427667529c4af681dc5c13699515d9 [2022-11-19 07:49:52,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:49:52,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:49:52,203 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:49:52,204 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:49:52,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:49:52,215 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:52" (1/1) ... [2022-11-19 07:49:52,216 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f047f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52, skipping insertion in model container [2022-11-19 07:49:52,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:52" (1/1) ... [2022-11-19 07:49:52,226 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:49:52,267 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:49:52,465 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576bfd53-5376-4156-ba3f-7a528fdc55bf/sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i[1095,1108] [2022-11-19 07:49:52,722 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:49:52,741 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:49:52,758 WARN L234 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576bfd53-5376-4156-ba3f-7a528fdc55bf/sv-benchmarks/c/goblint-regression/13-privatized_20-publish-regression_true.i[1095,1108] [2022-11-19 07:49:52,806 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:49:52,847 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:49:52,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52 WrapperNode [2022-11-19 07:49:52,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:49:52,850 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:49:52,850 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:49:52,850 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:49:52,859 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2022-11-19 07:49:52,894 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2022-11-19 07:49:52,933 INFO L138 Inliner]: procedures = 162, calls = 31, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 94 [2022-11-19 07:49:52,934 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:49:52,936 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:49:52,937 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:49:52,937 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:49:52,947 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2022-11-19 07:49:52,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2022-11-19 07:49:52,958 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2022-11-19 07:49:52,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2022-11-19 07:49:52,970 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2022-11-19 07:49:52,978 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2022-11-19 07:49:52,980 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2022-11-19 07:49:52,991 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2022-11-19 07:49:52,994 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:49:52,995 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:49:52,995 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:49:52,995 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:49:52,996 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (1/1) ... [2022-11-19 07:49:53,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:49:53,015 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576bfd53-5376-4156-ba3f-7a528fdc55bf/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:49:53,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576bfd53-5376-4156-ba3f-7a528fdc55bf/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:49:53,057 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576bfd53-5376-4156-ba3f-7a528fdc55bf/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:49:53,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:49:53,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:49:53,083 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-19 07:49:53,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:49:53,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:49:53,084 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-19 07:49:53,084 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-19 07:49:53,084 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:49:53,084 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:49:53,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:49:53,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:49:53,086 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 07:49:53,242 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:49:53,245 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:49:53,501 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:49:53,509 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:49:53,509 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:49:53,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:53 BoogieIcfgContainer [2022-11-19 07:49:53,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:49:53,514 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:49:53,515 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:49:53,524 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:49:53,525 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:49:52" (1/3) ... [2022-11-19 07:49:53,526 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d26852f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:53, skipping insertion in model container [2022-11-19 07:49:53,526 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:52" (2/3) ... [2022-11-19 07:49:53,527 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d26852f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:53, skipping insertion in model container [2022-11-19 07:49:53,527 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:53" (3/3) ... [2022-11-19 07:49:53,530 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_20-publish-regression_true.i [2022-11-19 07:49:53,540 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 07:49:53,551 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:49:53,551 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2022-11-19 07:49:53,551 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 07:49:53,613 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-19 07:49:53,652 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:49:53,666 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 114 places, 113 transitions, 234 flow [2022-11-19 07:49:53,670 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 114 places, 113 transitions, 234 flow [2022-11-19 07:49:53,671 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 114 places, 113 transitions, 234 flow [2022-11-19 07:49:53,726 INFO L130 PetriNetUnfolder]: 3/112 cut-off events. [2022-11-19 07:49:53,726 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-19 07:49:53,732 INFO L83 FinitePrefix]: Finished finitePrefix Result has 117 conditions, 112 events. 3/112 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 70 event pairs, 0 based on Foata normal form. 0/103 useless extension candidates. Maximal degree in co-relation 60. Up to 2 conditions per place. [2022-11-19 07:49:53,734 INFO L119 LiptonReduction]: Number of co-enabled transitions 1728 [2022-11-19 07:49:57,953 INFO L134 LiptonReduction]: Checked pairs total: 7692 [2022-11-19 07:49:57,953 INFO L136 LiptonReduction]: Total number of compositions: 122 [2022-11-19 07:49:57,964 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 34 places, 32 transitions, 72 flow [2022-11-19 07:49:58,007 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 153 states, 141 states have (on average 2.148936170212766) internal successors, (303), 152 states have internal predecessors, (303), 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) [2022-11-19 07:49:58,034 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:49:58,040 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=LoopsAndPotentialCycles, 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;@54ab86d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:49:58,040 INFO L358 AbstractCegarLoop]: Starting to check reachability of 10 error locations. [2022-11-19 07:49:58,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 141 states have (on average 2.148936170212766) internal successors, (303), 152 states have internal predecessors, (303), 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) [2022-11-19 07:49:58,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-19 07:49:58,047 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:49:58,048 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-19 07:49:58,049 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)] === [2022-11-19 07:49:58,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:49:58,054 INFO L85 PathProgramCache]: Analyzing trace with hash 422, now seen corresponding path program 1 times [2022-11-19 07:49:58,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:49:58,069 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2010085670] [2022-11-19 07:49:58,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:49:58,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:49:58,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:49:58,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:49:58,211 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:49:58,211 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2010085670] [2022-11-19 07:49:58,212 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2010085670] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:49:58,212 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:49:58,213 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-19 07:49:58,214 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330785253] [2022-11-19 07:49:58,215 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:49:58,220 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:49:58,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:49:58,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:49:58,251 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:49:58,254 INFO L87 Difference]: Start difference. First operand has 153 states, 141 states have (on average 2.148936170212766) internal successors, (303), 152 states have internal predecessors, (303), 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) [2022-11-19 07:49:58,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:49:58,330 INFO L93 Difference]: Finished difference Result 143 states and 259 transitions. [2022-11-19 07:49:58,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:49:58,336 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 [2022-11-19 07:49:58,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:49:58,351 INFO L225 Difference]: With dead ends: 143 [2022-11-19 07:49:58,351 INFO L226 Difference]: Without dead ends: 143 [2022-11-19 07:49:58,352 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 [2022-11-19 07:49:58,357 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 8 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:49:58,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 8 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:49:58,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2022-11-19 07:49:58,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2022-11-19 07:49:58,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 135 states have (on average 1.9185185185185185) internal successors, (259), 142 states have internal predecessors, (259), 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) [2022-11-19 07:49:58,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 259 transitions. [2022-11-19 07:49:58,407 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 259 transitions. Word has length 1 [2022-11-19 07:49:58,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:49:58,407 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 259 transitions. [2022-11-19 07:49:58,407 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) [2022-11-19 07:49:58,408 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 259 transitions. [2022-11-19 07:49:58,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-11-19 07:49:58,408 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:49:58,408 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2022-11-19 07:49:58,409 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:49:58,409 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)] === [2022-11-19 07:49:58,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:49:58,410 INFO L85 PathProgramCache]: Analyzing trace with hash 397426876, now seen corresponding path program 1 times [2022-11-19 07:49:58,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:49:58,410 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [675737342] [2022-11-19 07:49:58,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:49:58,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:49:58,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:49:58,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:49:58,523 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:49:58,526 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [675737342] [2022-11-19 07:49:58,526 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [675737342] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:49:58,527 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:49:58,527 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:49:58,528 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594491528] [2022-11-19 07:49:58,528 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:49:58,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:49:58,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:49:58,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:49:58,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:49:58,539 INFO L87 Difference]: Start difference. First operand 143 states and 259 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) [2022-11-19 07:49:58,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:49:58,617 INFO L93 Difference]: Finished difference Result 196 states and 347 transitions. [2022-11-19 07:49:58,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:49:58,618 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 [2022-11-19 07:49:58,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:49:58,622 INFO L225 Difference]: With dead ends: 196 [2022-11-19 07:49:58,622 INFO L226 Difference]: Without dead ends: 196 [2022-11-19 07:49:58,624 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 [2022-11-19 07:49:58,626 INFO L413 NwaCegarLoop]: 10 mSDtfsCounter, 19 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 11 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 [2022-11-19 07:49:58,626 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 11 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:49:58,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2022-11-19 07:49:58,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 149. [2022-11-19 07:49:58,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 141 states have (on average 1.900709219858156) internal successors, (268), 148 states have internal predecessors, (268), 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) [2022-11-19 07:49:58,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 268 transitions. [2022-11-19 07:49:58,660 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 268 transitions. Word has length 5 [2022-11-19 07:49:58,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:49:58,660 INFO L495 AbstractCegarLoop]: Abstraction has 149 states and 268 transitions. [2022-11-19 07:49:58,661 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) [2022-11-19 07:49:58,663 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 268 transitions. [2022-11-19 07:49:58,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2022-11-19 07:49:58,664 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:49:58,664 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:49:58,664 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:49:58,664 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)] === [2022-11-19 07:49:58,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:49:58,666 INFO L85 PathProgramCache]: Analyzing trace with hash -332385579, now seen corresponding path program 1 times [2022-11-19 07:49:58,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:49:58,666 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302910134] [2022-11-19 07:49:58,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:49:58,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:49:58,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:49:58,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:49:58,773 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:49:58,774 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302910134] [2022-11-19 07:49:58,774 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1302910134] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:49:58,774 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:49:58,774 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:49:58,774 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37787306] [2022-11-19 07:49:58,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:49:58,775 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:49:58,775 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:49:58,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:49:58,776 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:49:58,776 INFO L87 Difference]: Start difference. First operand 149 states and 268 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-11-19 07:49:58,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:49:58,850 INFO L93 Difference]: Finished difference Result 150 states and 269 transitions. [2022-11-19 07:49:58,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:49:58,851 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2022-11-19 07:49:58,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:49:58,853 INFO L225 Difference]: With dead ends: 150 [2022-11-19 07:49:58,854 INFO L226 Difference]: Without dead ends: 150 [2022-11-19 07:49:58,854 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 [2022-11-19 07:49:58,857 INFO L413 NwaCegarLoop]: 8 mSDtfsCounter, 7 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 10 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:49:58,858 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 10 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:49:58,859 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2022-11-19 07:49:58,865 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 150. [2022-11-19 07:49:58,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 143 states have (on average 1.881118881118881) internal successors, (269), 149 states have internal predecessors, (269), 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) [2022-11-19 07:49:58,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 269 transitions. [2022-11-19 07:49:58,867 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 269 transitions. Word has length 7 [2022-11-19 07:49:58,867 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:49:58,867 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 269 transitions. [2022-11-19 07:49:58,868 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 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) [2022-11-19 07:49:58,868 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 269 transitions. [2022-11-19 07:49:58,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2022-11-19 07:49:58,869 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:49:58,869 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:49:58,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:49:58,869 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-19 07:49:58,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:49:58,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1476106468, now seen corresponding path program 1 times [2022-11-19 07:49:58,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:49:58,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174337573] [2022-11-19 07:49:58,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:49:58,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:49:58,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:49:59,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:49:59,057 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:49:59,057 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174337573] [2022-11-19 07:49:59,057 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174337573] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:49:59,058 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:49:59,058 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:49:59,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1613348048] [2022-11-19 07:49:59,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:49:59,058 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:49:59,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:49:59,059 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:49:59,059 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:49:59,059 INFO L87 Difference]: Start difference. First operand 150 states and 269 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) [2022-11-19 07:49:59,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:49:59,112 INFO L93 Difference]: Finished difference Result 133 states and 236 transitions. [2022-11-19 07:49:59,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:49:59,112 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 [2022-11-19 07:49:59,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:49:59,113 INFO L225 Difference]: With dead ends: 133 [2022-11-19 07:49:59,113 INFO L226 Difference]: Without dead ends: 115 [2022-11-19 07:49:59,113 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 [2022-11-19 07:49:59,114 INFO L413 NwaCegarLoop]: 14 mSDtfsCounter, 15 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 39 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 22 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 39 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:49:59,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 22 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 39 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:49:59,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2022-11-19 07:49:59,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 115. [2022-11-19 07:49:59,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 111 states have (on average 1.8018018018018018) internal successors, (200), 114 states have internal predecessors, (200), 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) [2022-11-19 07:49:59,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 200 transitions. [2022-11-19 07:49:59,121 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 200 transitions. Word has length 8 [2022-11-19 07:49:59,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:49:59,121 INFO L495 AbstractCegarLoop]: Abstraction has 115 states and 200 transitions. [2022-11-19 07:49:59,121 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) [2022-11-19 07:49:59,122 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 200 transitions. [2022-11-19 07:49:59,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 07:49:59,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:49:59,122 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:49:59,123 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:49:59,123 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 7 more)] === [2022-11-19 07:49:59,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:49:59,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1594858067, now seen corresponding path program 1 times [2022-11-19 07:49:59,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:49:59,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159975509] [2022-11-19 07:49:59,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:49:59,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:49:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:49:59,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:49:59,316 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:49:59,316 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159975509] [2022-11-19 07:49:59,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159975509] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:49:59,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:49:59,317 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-19 07:49:59,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1844862579] [2022-11-19 07:49:59,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:49:59,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-19 07:49:59,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:49:59,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-19 07:49:59,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:49:59,319 INFO L87 Difference]: Start difference. First operand 115 states and 200 transitions. Second operand has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:59,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:49:59,363 INFO L93 Difference]: Finished difference Result 42 states and 52 transitions. [2022-11-19 07:49:59,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-19 07:49:59,364 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-19 07:49:59,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:49:59,364 INFO L225 Difference]: With dead ends: 42 [2022-11-19 07:49:59,364 INFO L226 Difference]: Without dead ends: 42 [2022-11-19 07:49:59,365 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2022-11-19 07:49:59,367 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 14 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 4 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:49:59,368 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 4 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:49:59,370 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2022-11-19 07:49:59,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 42. [2022-11-19 07:49:59,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 40 states have (on average 1.3) internal successors, (52), 41 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) [2022-11-19 07:49:59,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 52 transitions. [2022-11-19 07:49:59,374 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 52 transitions. Word has length 9 [2022-11-19 07:49:59,374 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:49:59,374 INFO L495 AbstractCegarLoop]: Abstraction has 42 states and 52 transitions. [2022-11-19 07:49:59,374 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 1.8) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:59,375 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 52 transitions. [2022-11-19 07:49:59,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-11-19 07:49:59,376 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:49:59,376 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:49:59,376 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:49:59,377 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)] === [2022-11-19 07:49:59,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:49:59,377 INFO L85 PathProgramCache]: Analyzing trace with hash 410246170, now seen corresponding path program 1 times [2022-11-19 07:49:59,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:49:59,377 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227299899] [2022-11-19 07:49:59,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:49:59,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:49:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:49:59,441 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:49:59,442 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:49:59,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227299899] [2022-11-19 07:49:59,442 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227299899] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:49:59,442 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:49:59,442 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:49:59,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81007522] [2022-11-19 07:49:59,443 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:49:59,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:49:59,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:49:59,444 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:49:59,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:49:59,445 INFO L87 Difference]: Start difference. First operand 42 states and 52 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-19 07:49:59,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:49:59,476 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2022-11-19 07:49:59,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:49:59,477 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2022-11-19 07:49:59,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:49:59,477 INFO L225 Difference]: With dead ends: 39 [2022-11-19 07:49:59,477 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:49:59,477 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 [2022-11-19 07:49:59,478 INFO L413 NwaCegarLoop]: 4 mSDtfsCounter, 1 mSDsluCounter, 2 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 6 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-19 07:49:59,479 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 6 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-19 07:49:59,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:49:59,480 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:49:59,480 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) [2022-11-19 07:49:59,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:49:59,480 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 13 [2022-11-19 07:49:59,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:49:59,481 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:49:59,481 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2022-11-19 07:49:59,481 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:49:59,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:49:59,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (9 of 10 remaining) [2022-11-19 07:49:59,484 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (8 of 10 remaining) [2022-11-19 07:49:59,485 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (7 of 10 remaining) [2022-11-19 07:49:59,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 10 remaining) [2022-11-19 07:49:59,486 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (5 of 10 remaining) [2022-11-19 07:49:59,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (4 of 10 remaining) [2022-11-19 07:49:59,487 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (3 of 10 remaining) [2022-11-19 07:49:59,489 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (2 of 10 remaining) [2022-11-19 07:49:59,490 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (1 of 10 remaining) [2022-11-19 07:49:59,490 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONDATA_RACE (0 of 10 remaining) [2022-11-19 07:49:59,490 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:49:59,493 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2022-11-19 07:49:59,498 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-19 07:49:59,499 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:49:59,503 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:49:59 BasicIcfg [2022-11-19 07:49:59,503 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:49:59,504 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:49:59,504 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:49:59,505 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:49:59,505 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:53" (3/4) ... [2022-11-19 07:49:59,508 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:49:59,514 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-19 07:49:59,520 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2022-11-19 07:49:59,520 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 07:49:59,520 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 07:49:59,520 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-19 07:49:59,555 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576bfd53-5376-4156-ba3f-7a528fdc55bf/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:49:59,556 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:49:59,556 INFO L158 Benchmark]: Toolchain (without parser) took 7356.15ms. Allocated memory was 90.2MB in the beginning and 140.5MB in the end (delta: 50.3MB). Free memory was 54.9MB in the beginning and 83.5MB in the end (delta: -28.7MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB. [2022-11-19 07:49:59,557 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 61.1MB in the beginning and 61.1MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:49:59,557 INFO L158 Benchmark]: CACSL2BoogieTranslator took 645.36ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 54.6MB in the beginning and 80.8MB in the end (delta: -26.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-19 07:49:59,557 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.70ms. Allocated memory is still 113.2MB. Free memory was 80.3MB in the beginning and 78.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:49:59,557 INFO L158 Benchmark]: Boogie Preprocessor took 58.43ms. Allocated memory is still 113.2MB. Free memory was 78.2MB in the beginning and 76.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:49:59,558 INFO L158 Benchmark]: RCFGBuilder took 516.92ms. Allocated memory is still 113.2MB. Free memory was 76.6MB in the beginning and 61.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-19 07:49:59,558 INFO L158 Benchmark]: TraceAbstraction took 5989.78ms. Allocated memory was 113.2MB in the beginning and 140.5MB in the end (delta: 27.3MB). Free memory was 61.4MB in the beginning and 86.7MB in the end (delta: -25.3MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2022-11-19 07:49:59,559 INFO L158 Benchmark]: Witness Printer took 51.58ms. Allocated memory is still 140.5MB. Free memory was 86.7MB in the beginning and 83.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:49:59,561 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 90.2MB. Free memory was 61.1MB in the beginning and 61.1MB in the end (delta: 27.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 645.36ms. Allocated memory was 90.2MB in the beginning and 113.2MB in the end (delta: 23.1MB). Free memory was 54.6MB in the beginning and 80.8MB in the end (delta: -26.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.70ms. Allocated memory is still 113.2MB. Free memory was 80.3MB in the beginning and 78.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.43ms. Allocated memory is still 113.2MB. Free memory was 78.2MB in the beginning and 76.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 516.92ms. Allocated memory is still 113.2MB. Free memory was 76.6MB in the beginning and 61.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 5989.78ms. Allocated memory was 113.2MB in the beginning and 140.5MB in the end (delta: 27.3MB). Free memory was 61.4MB in the beginning and 86.7MB in the end (delta: -25.3MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. * Witness Printer took 51.58ms. Allocated memory is still 140.5MB. Free memory was 86.7MB in the beginning and 83.5MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.3s, 114 PlacesBefore, 34 PlacesAfterwards, 113 TransitionsBefore, 32 TransitionsAfterwards, 1728 CoEnabledTransitionPairs, 13 FixpointIterations, 51 TrivialSequentialCompositions, 55 ConcurrentSequentialCompositions, 5 TrivialYvCompositions, 10 ConcurrentYvCompositions, 1 ChoiceCompositions, 122 TotalNumberOfCompositions, 7692 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 4309, independent: 3832, independent conditional: 0, independent unconditional: 3832, dependent: 477, dependent conditional: 0, dependent unconditional: 477, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1495, independent: 1425, independent conditional: 0, independent unconditional: 1425, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1495, independent: 1316, independent conditional: 0, independent unconditional: 1316, dependent: 179, dependent conditional: 0, dependent unconditional: 179, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 179, independent: 109, independent conditional: 0, independent unconditional: 109, dependent: 70, dependent conditional: 0, dependent unconditional: 70, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 308, independent: 107, independent conditional: 0, independent unconditional: 107, dependent: 201, dependent conditional: 0, dependent unconditional: 201, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 4309, independent: 2407, independent conditional: 0, independent unconditional: 2407, dependent: 407, dependent conditional: 0, dependent unconditional: 407, unknown: 1495, unknown conditional: 0, unknown unconditional: 1495] , Statistics on independence cache: Total cache size (in pairs): 218, Positive cache size: 188, Positive conditional cache size: 0, Positive unconditional cache size: 188, Negative cache size: 30, Negative conditional cache size: 0, Negative unconditional cache size: 30, 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, 148 locations, 10 error locations. Started 1 CEGAR loops. OverallTime: 5.8s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.4s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 56 mSDsluCounter, 61 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 13 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 196 IncrementalHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 48 mSDtfsCounter, 196 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=153occurred in iteration=0, InterpolantAutomatonStates: 18, 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, 6 MinimizatonAttempts, 47 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 43 NumberOfCodeBlocks, 43 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 37 ConstructedInterpolants, 0 QuantifiedInterpolants, 84 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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! [2022-11-19 07:49:59,603 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_576bfd53-5376-4156-ba3f-7a528fdc55bf/bin/utaipan-I9t0OCRTmS/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