./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/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_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/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_feb4354e-ec46-49c8-93b4-2daa0309babe/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 dadbc714432dbabd9f10b5aceb2a2ff8af11608da70d21414f772d02695c7806 --- 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 07:23:13,800 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:23:13,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:23:13,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:23:13,830 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:23:13,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:23:13,833 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:23:13,835 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:23:13,836 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:23:13,837 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:23:13,839 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:23:13,840 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:23:13,840 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:23:13,842 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:23:13,843 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:23:13,844 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:23:13,845 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:23:13,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:23:13,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:23:13,851 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:23:13,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:23:13,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:23:13,856 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:23:13,857 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:23:13,861 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:23:13,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:23:13,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:23:13,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:23:13,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:23:13,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:23:13,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:23:13,866 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:23:13,867 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:23:13,868 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:23:13,869 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:23:13,870 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:23:13,871 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:23:13,871 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:23:13,871 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:23:13,872 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:23:13,873 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:23:13,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 07:23:13,915 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:23:13,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:23:13,916 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:23:13,917 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:23:13,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:23:13,918 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:23:13,918 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:23:13,918 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:23:13,919 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:23:13,919 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:23:13,920 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:23:13,920 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:23:13,920 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:23:13,921 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:23:13,921 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:23:13,921 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:23:13,921 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:23:13,922 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:23:13,923 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:23:13,923 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:23:13,923 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:23:13,923 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:23:13,924 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:23:13,925 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:23:13,925 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:23:13,926 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:23:13,926 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:23:13,926 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 07:23:13,926 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:23:13,927 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:23:13,927 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:23:13,927 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:23:13,927 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:23:13,928 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:23:13,928 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:23:13,928 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:23:13,928 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:23:13,929 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:23:13,929 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:23:13,929 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:23:13,929 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:23:13,929 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:23:13,930 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:23:13,930 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_feb4354e-ec46-49c8-93b4-2daa0309babe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dadbc714432dbabd9f10b5aceb2a2ff8af11608da70d21414f772d02695c7806 [2022-11-19 07:23:14,207 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:23:14,230 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:23:14,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:23:14,234 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:23:14,235 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:23:14,236 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.i [2022-11-19 07:23:14,323 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/data/e078081a3/f5ba69239d3f4742bf9d144dcbbd21ed/FLAGedf7c947e [2022-11-19 07:23:14,944 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:23:14,945 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i [2022-11-19 07:23:14,958 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/data/e078081a3/f5ba69239d3f4742bf9d144dcbbd21ed/FLAGedf7c947e [2022-11-19 07:23:15,244 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/data/e078081a3/f5ba69239d3f4742bf9d144dcbbd21ed [2022-11-19 07:23:15,247 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:23:15,248 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:23:15,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:23:15,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:23:15,270 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:23:15,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:23:15" (1/1) ... [2022-11-19 07:23:15,274 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11319e89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:15, skipping insertion in model container [2022-11-19 07:23:15,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:23:15" (1/1) ... [2022-11-19 07:23:15,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:23:15,347 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:23:15,769 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_feb4354e-ec46-49c8-93b4-2daa0309babe/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i[31039,31052] [2022-11-19 07:23:15,785 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:23:15,796 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:23:15,866 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_feb4354e-ec46-49c8-93b4-2daa0309babe/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i[31039,31052] [2022-11-19 07:23:15,881 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:23:15,927 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:23:15,927 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:15 WrapperNode [2022-11-19 07:23:15,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:23:15,929 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:23:15,929 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:23:15,930 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:23:15,938 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:15" (1/1) ... [2022-11-19 07:23:15,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:15" (1/1) ... [2022-11-19 07:23:16,012 INFO L138 Inliner]: procedures = 177, calls = 34, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 292 [2022-11-19 07:23:16,013 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:23:16,013 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:23:16,014 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:23:16,014 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:23:16,024 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:15" (1/1) ... [2022-11-19 07:23:16,024 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:15" (1/1) ... [2022-11-19 07:23:16,029 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:15" (1/1) ... [2022-11-19 07:23:16,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:15" (1/1) ... [2022-11-19 07:23:16,045 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:15" (1/1) ... [2022-11-19 07:23:16,051 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:15" (1/1) ... [2022-11-19 07:23:16,053 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:15" (1/1) ... [2022-11-19 07:23:16,055 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:15" (1/1) ... [2022-11-19 07:23:16,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:23:16,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:23:16,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:23:16,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:23:16,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:15" (1/1) ... [2022-11-19 07:23:16,080 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:23:16,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:23:16,111 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:23:16,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:23:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:23:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-19 07:23:16,158 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-19 07:23:16,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:23:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:23:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:23:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:23:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:23:16,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:23:16,160 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:23:16,161 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 07:23:16,400 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:23:16,402 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:23:17,027 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:23:17,394 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:23:17,394 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 07:23:17,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:23:17 BoogieIcfgContainer [2022-11-19 07:23:17,397 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:23:17,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:23:17,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:23:17,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:23:17,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:23:15" (1/3) ... [2022-11-19 07:23:17,407 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c6742d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:23:17, skipping insertion in model container [2022-11-19 07:23:17,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:23:15" (2/3) ... [2022-11-19 07:23:17,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c6742d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:23:17, skipping insertion in model container [2022-11-19 07:23:17,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:23:17" (3/3) ... [2022-11-19 07:23:17,410 INFO L112 eAbstractionObserver]: Analyzing ICFG 25_stack_longer-2.i [2022-11-19 07:23:17,422 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 07:23:17,433 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:23:17,433 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-11-19 07:23:17,433 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 07:23:17,584 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-19 07:23:17,634 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:23:17,658 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 162 places, 166 transitions, 337 flow [2022-11-19 07:23:17,663 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 162 places, 166 transitions, 337 flow [2022-11-19 07:23:17,665 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 162 places, 166 transitions, 337 flow [2022-11-19 07:23:17,780 INFO L130 PetriNetUnfolder]: 8/177 cut-off events. [2022-11-19 07:23:17,781 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-19 07:23:17,792 INFO L83 FinitePrefix]: Finished finitePrefix Result has 182 conditions, 177 events. 8/177 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 236 event pairs, 0 based on Foata normal form. 0/141 useless extension candidates. Maximal degree in co-relation 141. Up to 4 conditions per place. [2022-11-19 07:23:17,797 INFO L119 LiptonReduction]: Number of co-enabled transitions 3584 [2022-11-19 07:23:30,676 INFO L134 LiptonReduction]: Checked pairs total: 4068 [2022-11-19 07:23:30,676 INFO L136 LiptonReduction]: Total number of compositions: 211 [2022-11-19 07:23:30,685 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 44 transitions, 93 flow [2022-11-19 07:23:30,707 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 177 states, 124 states have (on average 2.661290322580645) internal successors, (330), 176 states have internal predecessors, (330), 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 07:23:30,725 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:23:30,732 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;@20e59a6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:23:30,733 INFO L358 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2022-11-19 07:23:30,735 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 124 states have (on average 2.661290322580645) internal successors, (330), 176 states have internal predecessors, (330), 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 07:23:30,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 07:23:30,741 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:23:30,741 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 07:23:30,742 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err4ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-11-19 07:23:30,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:23:30,747 INFO L85 PathProgramCache]: Analyzing trace with hash 37665783, now seen corresponding path program 1 times [2022-11-19 07:23:30,755 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:23:30,756 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [649138967] [2022-11-19 07:23:30,756 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:23:30,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:23:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:23:30,994 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 07:23:30,995 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:23:30,995 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [649138967] [2022-11-19 07:23:30,996 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [649138967] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:23:30,996 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:23:30,997 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 07:23:30,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2047531173] [2022-11-19 07:23:30,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:23:31,006 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:23:31,008 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:23:31,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:23:31,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:23:31,042 INFO L87 Difference]: Start difference. First operand has 177 states, 124 states have (on average 2.661290322580645) internal successors, (330), 176 states have internal predecessors, (330), 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 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 07:23:31,114 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:23:31,115 INFO L93 Difference]: Finished difference Result 39 states and 74 transitions. [2022-11-19 07:23:31,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:23:31,117 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-11-19 07:23:31,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:23:31,125 INFO L225 Difference]: With dead ends: 39 [2022-11-19 07:23:31,125 INFO L226 Difference]: Without dead ends: 39 [2022-11-19 07:23:31,126 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 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 07:23:31,131 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:23:31,137 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:23:31,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-19 07:23:31,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-19 07:23:31,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.9473684210526316) internal successors, (74), 38 states have internal predecessors, (74), 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 07:23:31,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 74 transitions. [2022-11-19 07:23:31,180 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 74 transitions. Word has length 4 [2022-11-19 07:23:31,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:23:31,181 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 74 transitions. [2022-11-19 07:23:31,181 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 07:23:31,182 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2022-11-19 07:23:31,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 07:23:31,183 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:23:31,184 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-11-19 07:23:31,184 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:23:31,184 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-11-19 07:23:31,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:23:31,185 INFO L85 PathProgramCache]: Analyzing trace with hash 1836999614, now seen corresponding path program 1 times [2022-11-19 07:23:31,185 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:23:31,185 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003130146] [2022-11-19 07:23:31,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:23:31,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:23:31,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:23:31,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 07:23:31,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:23:31,292 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 07:23:31,296 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 07:23:31,298 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 53 remaining) [2022-11-19 07:23:31,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2022-11-19 07:23:31,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2022-11-19 07:23:31,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2022-11-19 07:23:31,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2022-11-19 07:23:31,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2022-11-19 07:23:31,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2022-11-19 07:23:31,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2022-11-19 07:23:31,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2022-11-19 07:23:31,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2022-11-19 07:23:31,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2022-11-19 07:23:31,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2022-11-19 07:23:31,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2022-11-19 07:23:31,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2022-11-19 07:23:31,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2022-11-19 07:23:31,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2022-11-19 07:23:31,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2022-11-19 07:23:31,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2022-11-19 07:23:31,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2022-11-19 07:23:31,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2022-11-19 07:23:31,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2022-11-19 07:23:31,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2022-11-19 07:23:31,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2022-11-19 07:23:31,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2022-11-19 07:23:31,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2022-11-19 07:23:31,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2022-11-19 07:23:31,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2022-11-19 07:23:31,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2022-11-19 07:23:31,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2022-11-19 07:23:31,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining) [2022-11-19 07:23:31,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining) [2022-11-19 07:23:31,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining) [2022-11-19 07:23:31,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 53 remaining) [2022-11-19 07:23:31,320 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (19 of 53 remaining) [2022-11-19 07:23:31,320 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (18 of 53 remaining) [2022-11-19 07:23:31,320 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2022-11-19 07:23:31,320 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2022-11-19 07:23:31,321 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2022-11-19 07:23:31,321 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2022-11-19 07:23:31,321 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2022-11-19 07:23:31,321 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2022-11-19 07:23:31,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2022-11-19 07:23:31,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2022-11-19 07:23:31,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2022-11-19 07:23:31,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2022-11-19 07:23:31,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2022-11-19 07:23:31,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2022-11-19 07:23:31,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2022-11-19 07:23:31,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2022-11-19 07:23:31,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2022-11-19 07:23:31,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2022-11-19 07:23:31,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2022-11-19 07:23:31,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2022-11-19 07:23:31,325 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:23:31,327 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-19 07:23:31,329 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-19 07:23:31,329 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-19 07:23:31,432 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-19 07:23:31,442 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:23:31,442 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 287 places, 295 transitions, 602 flow [2022-11-19 07:23:31,443 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 287 places, 295 transitions, 602 flow [2022-11-19 07:23:31,444 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 287 places, 295 transitions, 602 flow [2022-11-19 07:23:31,584 INFO L130 PetriNetUnfolder]: 15/319 cut-off events. [2022-11-19 07:23:31,584 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-19 07:23:31,593 INFO L83 FinitePrefix]: Finished finitePrefix Result has 329 conditions, 319 events. 15/319 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 880 event pairs, 0 based on Foata normal form. 0/249 useless extension candidates. Maximal degree in co-relation 269. Up to 6 conditions per place. [2022-11-19 07:23:31,614 INFO L119 LiptonReduction]: Number of co-enabled transitions 40192 [2022-11-19 07:28:12,453 INFO L134 LiptonReduction]: Checked pairs total: 280875 [2022-11-19 07:28:12,453 INFO L136 LiptonReduction]: Total number of compositions: 325 [2022-11-19 07:28:12,455 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 146 places, 151 transitions, 314 flow [2022-11-19 07:28:13,248 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 27672 states, 26189 states have (on average 3.1072969567375615) internal successors, (81377), 27671 states have internal predecessors, (81377), 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 07:28:13,251 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:28:13,253 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;@20e59a6c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:28:13,254 INFO L358 AbstractCegarLoop]: Starting to check reachability of 79 error locations. [2022-11-19 07:28:13,313 INFO L276 IsEmpty]: Start isEmpty. Operand has 27672 states, 26189 states have (on average 3.1072969567375615) internal successors, (81377), 27671 states have internal predecessors, (81377), 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 07:28:13,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 07:28:13,313 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:28:13,313 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 07:28:13,314 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-11-19 07:28:13,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:28:13,315 INFO L85 PathProgramCache]: Analyzing trace with hash 59295028, now seen corresponding path program 1 times [2022-11-19 07:28:13,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:28:13,316 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1549310933] [2022-11-19 07:28:13,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:28:13,316 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:28:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:28:13,365 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 07:28:13,365 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:28:13,365 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1549310933] [2022-11-19 07:28:13,365 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1549310933] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:28:13,366 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:28:13,366 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 07:28:13,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663375553] [2022-11-19 07:28:13,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:28:13,366 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:28:13,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:28:13,367 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:28:13,367 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:28:13,410 INFO L87 Difference]: Start difference. First operand has 27672 states, 26189 states have (on average 3.1072969567375615) internal successors, (81377), 27671 states have internal predecessors, (81377), 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 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 07:28:13,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:28:13,914 INFO L93 Difference]: Finished difference Result 13991 states and 40590 transitions. [2022-11-19 07:28:13,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:28:13,915 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-11-19 07:28:13,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:28:14,034 INFO L225 Difference]: With dead ends: 13991 [2022-11-19 07:28:14,034 INFO L226 Difference]: Without dead ends: 13991 [2022-11-19 07:28:14,034 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 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 07:28:14,035 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:28:14,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 64 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 54 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:28:14,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13991 states. [2022-11-19 07:28:14,697 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13991 to 13991. [2022-11-19 07:28:14,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13991 states, 13847 states have (on average 2.9313208637249946) internal successors, (40590), 13990 states have internal predecessors, (40590), 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 07:28:14,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13991 states to 13991 states and 40590 transitions. [2022-11-19 07:28:14,966 INFO L78 Accepts]: Start accepts. Automaton has 13991 states and 40590 transitions. Word has length 4 [2022-11-19 07:28:14,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:28:14,966 INFO L495 AbstractCegarLoop]: Abstraction has 13991 states and 40590 transitions. [2022-11-19 07:28:14,966 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 07:28:14,966 INFO L276 IsEmpty]: Start isEmpty. Operand 13991 states and 40590 transitions. [2022-11-19 07:28:14,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 07:28:14,967 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:28:14,967 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-19 07:28:14,967 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:28:14,967 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-11-19 07:28:14,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:28:14,968 INFO L85 PathProgramCache]: Analyzing trace with hash 1147997143, now seen corresponding path program 1 times [2022-11-19 07:28:14,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:28:14,983 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53543457] [2022-11-19 07:28:14,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:28:14,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:28:15,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:28:15,134 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 07:28:15,134 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:28:15,134 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53543457] [2022-11-19 07:28:15,134 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53543457] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:28:15,135 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:28:15,135 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:28:15,135 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1910071295] [2022-11-19 07:28:15,135 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:28:15,135 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:28:15,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:28:15,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:28:15,137 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:28:15,137 INFO L87 Difference]: Start difference. First operand 13991 states and 40590 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) [2022-11-19 07:28:16,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:28:16,212 INFO L93 Difference]: Finished difference Result 26634 states and 77310 transitions. [2022-11-19 07:28:16,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:28:16,213 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 [2022-11-19 07:28:16,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:28:16,534 INFO L225 Difference]: With dead ends: 26634 [2022-11-19 07:28:16,534 INFO L226 Difference]: Without dead ends: 26634 [2022-11-19 07:28:16,535 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 07:28:16,536 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 110 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:28:16,536 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 121 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 07:28:16,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26634 states. [2022-11-19 07:28:17,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26634 to 14287. [2022-11-19 07:28:17,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14287 states, 14146 states have (on average 2.957867948536689) internal successors, (41842), 14286 states have internal predecessors, (41842), 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 07:28:17,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14287 states to 14287 states and 41842 transitions. [2022-11-19 07:28:17,537 INFO L78 Accepts]: Start accepts. Automaton has 14287 states and 41842 transitions. Word has length 6 [2022-11-19 07:28:17,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:28:17,537 INFO L495 AbstractCegarLoop]: Abstraction has 14287 states and 41842 transitions. [2022-11-19 07:28:17,538 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) [2022-11-19 07:28:17,538 INFO L276 IsEmpty]: Start isEmpty. Operand 14287 states and 41842 transitions. [2022-11-19 07:28:17,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 07:28:17,539 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:28:17,539 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:28:17,540 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:28:17,540 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-11-19 07:28:17,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:28:17,541 INFO L85 PathProgramCache]: Analyzing trace with hash -830727343, now seen corresponding path program 1 times [2022-11-19 07:28:17,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:28:17,541 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992413244] [2022-11-19 07:28:17,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:28:17,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:28:17,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:28:17,605 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 07:28:17,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:28:17,605 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992413244] [2022-11-19 07:28:17,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [992413244] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:28:17,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:28:17,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:28:17,606 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607952746] [2022-11-19 07:28:17,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:28:17,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:28:17,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:28:17,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:28:17,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:28:17,608 INFO L87 Difference]: Start difference. First operand 14287 states and 41842 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 07:28:18,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:28:18,373 INFO L93 Difference]: Finished difference Result 14473 states and 42371 transitions. [2022-11-19 07:28:18,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:28:18,374 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 07:28:18,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:28:18,490 INFO L225 Difference]: With dead ends: 14473 [2022-11-19 07:28:18,490 INFO L226 Difference]: Without dead ends: 14473 [2022-11-19 07:28:18,491 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 07:28:18,493 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 56 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:28:18,494 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 144 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 07:28:18,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14473 states. [2022-11-19 07:28:19,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14473 to 14473. [2022-11-19 07:28:19,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14473 states, 14332 states have (on average 2.956391292213229) internal successors, (42371), 14472 states have internal predecessors, (42371), 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 07:28:19,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14473 states to 14473 states and 42371 transitions. [2022-11-19 07:28:19,273 INFO L78 Accepts]: Start accepts. Automaton has 14473 states and 42371 transitions. Word has length 9 [2022-11-19 07:28:19,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:28:19,274 INFO L495 AbstractCegarLoop]: Abstraction has 14473 states and 42371 transitions. [2022-11-19 07:28:19,274 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 07:28:19,274 INFO L276 IsEmpty]: Start isEmpty. Operand 14473 states and 42371 transitions. [2022-11-19 07:28:19,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 07:28:19,275 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:28:19,275 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-19 07:28:19,276 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:28:19,276 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-11-19 07:28:19,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:28:19,277 INFO L85 PathProgramCache]: Analyzing trace with hash -457280815, now seen corresponding path program 1 times [2022-11-19 07:28:19,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:28:19,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409994001] [2022-11-19 07:28:19,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:28:19,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:28:19,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:28:19,289 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 07:28:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:28:19,302 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-19 07:28:19,302 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 07:28:19,302 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (78 of 79 remaining) [2022-11-19 07:28:19,302 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (77 of 79 remaining) [2022-11-19 07:28:19,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (76 of 79 remaining) [2022-11-19 07:28:19,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (75 of 79 remaining) [2022-11-19 07:28:19,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (74 of 79 remaining) [2022-11-19 07:28:19,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (73 of 79 remaining) [2022-11-19 07:28:19,303 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (72 of 79 remaining) [2022-11-19 07:28:19,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (71 of 79 remaining) [2022-11-19 07:28:19,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (70 of 79 remaining) [2022-11-19 07:28:19,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (69 of 79 remaining) [2022-11-19 07:28:19,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (68 of 79 remaining) [2022-11-19 07:28:19,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (67 of 79 remaining) [2022-11-19 07:28:19,304 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (66 of 79 remaining) [2022-11-19 07:28:19,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (65 of 79 remaining) [2022-11-19 07:28:19,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (64 of 79 remaining) [2022-11-19 07:28:19,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (63 of 79 remaining) [2022-11-19 07:28:19,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (62 of 79 remaining) [2022-11-19 07:28:19,305 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (61 of 79 remaining) [2022-11-19 07:28:19,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (60 of 79 remaining) [2022-11-19 07:28:19,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (59 of 79 remaining) [2022-11-19 07:28:19,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (58 of 79 remaining) [2022-11-19 07:28:19,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (57 of 79 remaining) [2022-11-19 07:28:19,306 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (56 of 79 remaining) [2022-11-19 07:28:19,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (55 of 79 remaining) [2022-11-19 07:28:19,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (54 of 79 remaining) [2022-11-19 07:28:19,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (53 of 79 remaining) [2022-11-19 07:28:19,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (52 of 79 remaining) [2022-11-19 07:28:19,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (51 of 79 remaining) [2022-11-19 07:28:19,307 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (50 of 79 remaining) [2022-11-19 07:28:19,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (49 of 79 remaining) [2022-11-19 07:28:19,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (48 of 79 remaining) [2022-11-19 07:28:19,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (47 of 79 remaining) [2022-11-19 07:28:19,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (46 of 79 remaining) [2022-11-19 07:28:19,308 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (45 of 79 remaining) [2022-11-19 07:28:19,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (44 of 79 remaining) [2022-11-19 07:28:19,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (43 of 79 remaining) [2022-11-19 07:28:19,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (42 of 79 remaining) [2022-11-19 07:28:19,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 79 remaining) [2022-11-19 07:28:19,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 79 remaining) [2022-11-19 07:28:19,309 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 79 remaining) [2022-11-19 07:28:19,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (38 of 79 remaining) [2022-11-19 07:28:19,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (37 of 79 remaining) [2022-11-19 07:28:19,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (36 of 79 remaining) [2022-11-19 07:28:19,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (35 of 79 remaining) [2022-11-19 07:28:19,310 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (34 of 79 remaining) [2022-11-19 07:28:19,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (33 of 79 remaining) [2022-11-19 07:28:19,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (32 of 79 remaining) [2022-11-19 07:28:19,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (31 of 79 remaining) [2022-11-19 07:28:19,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (30 of 79 remaining) [2022-11-19 07:28:19,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (29 of 79 remaining) [2022-11-19 07:28:19,311 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (28 of 79 remaining) [2022-11-19 07:28:19,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (27 of 79 remaining) [2022-11-19 07:28:19,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (26 of 79 remaining) [2022-11-19 07:28:19,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (25 of 79 remaining) [2022-11-19 07:28:19,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (24 of 79 remaining) [2022-11-19 07:28:19,312 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (23 of 79 remaining) [2022-11-19 07:28:19,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 79 remaining) [2022-11-19 07:28:19,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (21 of 79 remaining) [2022-11-19 07:28:19,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 79 remaining) [2022-11-19 07:28:19,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (19 of 79 remaining) [2022-11-19 07:28:19,313 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (18 of 79 remaining) [2022-11-19 07:28:19,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 79 remaining) [2022-11-19 07:28:19,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (16 of 79 remaining) [2022-11-19 07:28:19,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 79 remaining) [2022-11-19 07:28:19,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (14 of 79 remaining) [2022-11-19 07:28:19,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (13 of 79 remaining) [2022-11-19 07:28:19,314 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (12 of 79 remaining) [2022-11-19 07:28:19,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (11 of 79 remaining) [2022-11-19 07:28:19,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (10 of 79 remaining) [2022-11-19 07:28:19,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (9 of 79 remaining) [2022-11-19 07:28:19,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (8 of 79 remaining) [2022-11-19 07:28:19,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (7 of 79 remaining) [2022-11-19 07:28:19,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (6 of 79 remaining) [2022-11-19 07:28:19,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (5 of 79 remaining) [2022-11-19 07:28:19,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (4 of 79 remaining) [2022-11-19 07:28:19,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (3 of 79 remaining) [2022-11-19 07:28:19,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (2 of 79 remaining) [2022-11-19 07:28:19,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (1 of 79 remaining) [2022-11-19 07:28:19,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (0 of 79 remaining) [2022-11-19 07:28:19,317 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:28:19,317 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-19 07:28:19,318 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-19 07:28:19,318 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-11-19 07:28:19,394 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-19 07:28:19,398 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:28:19,398 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 412 places, 424 transitions, 869 flow [2022-11-19 07:28:19,398 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 412 places, 424 transitions, 869 flow [2022-11-19 07:28:19,399 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 412 places, 424 transitions, 869 flow [2022-11-19 07:28:19,758 INFO L130 PetriNetUnfolder]: 22/461 cut-off events. [2022-11-19 07:28:19,758 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-19 07:28:19,768 INFO L83 FinitePrefix]: Finished finitePrefix Result has 477 conditions, 461 events. 22/461 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1718 event pairs, 0 based on Foata normal form. 0/357 useless extension candidates. Maximal degree in co-relation 397. Up to 8 conditions per place. [2022-11-19 07:28:19,801 INFO L119 LiptonReduction]: Number of co-enabled transitions 109824 [2022-11-19 07:31:05,740 WARN L230 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) stderr output: (error "out of memory") [2022-11-19 07:31:05,741 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:139) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.checkImplication(TransFormulaUtils.java:1164) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.performInclusionCheck(SemanticIndependenceRelation.java:186) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.contains(SemanticIndependenceRelation.java:141) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.isIndependent(SemanticIndependenceRelation.java:119) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.SemanticIndependenceRelation.isIndependent(SemanticIndependenceRelation.java:1) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.UnionIndependenceRelation.isIndependent(UnionIndependenceRelation.java:73) at de.uni_freiburg.informatik.ultimate.automata.partialorder.independence.CachedIndependenceRelation.isIndependent(CachedIndependenceRelation.java:113) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.lambda$1(LiptonReduction.java:468) at java.base/java.util.stream.MatchOps$1MatchSink.accept(MatchOps.java:90) at java.base/java.util.HashMap$KeySpliterator.tryAdvance(HashMap.java:1642) at java.base/java.util.stream.ReferencePipeline.forEachWithCancel(ReferencePipeline.java:127) at java.base/java.util.stream.AbstractPipeline.copyIntoWithCancel(AbstractPipeline.java:502) at java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:488) at java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:230) at java.base/java.util.stream.MatchOps$MatchOp.evaluateSequential(MatchOps.java:196) at java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.base/java.util.stream.ReferencePipeline.allMatch(ReferencePipeline.java:533) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.isRightMover(LiptonReduction.java:468) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.sequenceRuleCheck(LiptonReduction.java:409) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.sequenceRule(LiptonReduction.java:312) at de.uni_freiburg.informatik.ultimate.automata.partialorder.LiptonReduction.(LiptonReduction.java:129) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.petrinetlbe.PetriNetLargeBlockEncoding.(PetriNetLargeBlockEncoding.java:133) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.PetriLbeInitialAbstractionProvider.getInitialAbstraction(PetriLbeInitialAbstractionProvider.java:95) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.PetriLbeInitialAbstractionProvider.getInitialAbstraction(PetriLbeInitialAbstractionProvider.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.Petri2FiniteAutomatonAbstractionProvider$Eager.getInitialAbstraction(Petri2FiniteAutomatonAbstractionProvider.java:148) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.initialabstraction.Petri2FiniteAutomatonAbstractionProvider$Eager.getInitialAbstraction(Petri2FiniteAutomatonAbstractionProvider.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.constructInitialAbstraction(CegarLoopFactory.java:336) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.createAutomataAbstraction(CegarLoopFactory.java:248) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.createFiniteAutomataCegarLoop(CegarLoopFactory.java:220) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopFactory.constructCegarLoop(CegarLoopFactory.java:172) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:414) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:225) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:173) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1465) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:658) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:239) ... 52 more [2022-11-19 07:31:05,745 INFO L158 Benchmark]: Toolchain (without parser) took 470497.07ms. Allocated memory was 136.3MB in the beginning and 2.5GB in the end (delta: 2.4GB). Free memory was 102.7MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 680.8MB. Max. memory is 16.1GB. [2022-11-19 07:31:05,745 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:31:05,746 INFO L158 Benchmark]: CACSL2BoogieTranslator took 678.09ms. Allocated memory is still 136.3MB. Free memory was 102.3MB in the beginning and 98.0MB in the end (delta: 4.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-19 07:31:05,746 INFO L158 Benchmark]: Boogie Procedure Inliner took 83.68ms. Allocated memory is still 136.3MB. Free memory was 98.0MB in the beginning and 94.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:31:05,746 INFO L158 Benchmark]: Boogie Preprocessor took 45.66ms. Allocated memory is still 136.3MB. Free memory was 94.5MB in the beginning and 91.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:31:05,747 INFO L158 Benchmark]: RCFGBuilder took 1337.89ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 91.4MB in the beginning and 106.3MB in the end (delta: -15.0MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. [2022-11-19 07:31:05,747 INFO L158 Benchmark]: TraceAbstraction took 468342.78ms. Allocated memory was 182.5MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 105.4MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 638.5MB. Max. memory is 16.1GB. [2022-11-19 07:31:05,749 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### [2022-11-19 07:31:05,744 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 101 --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 83.9MB. Free memory is still 40.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 678.09ms. Allocated memory is still 136.3MB. Free memory was 102.3MB in the beginning and 98.0MB in the end (delta: 4.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 83.68ms. Allocated memory is still 136.3MB. Free memory was 98.0MB in the beginning and 94.5MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.66ms. Allocated memory is still 136.3MB. Free memory was 94.5MB in the beginning and 91.4MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1337.89ms. Allocated memory was 136.3MB in the beginning and 182.5MB in the end (delta: 46.1MB). Free memory was 91.4MB in the beginning and 106.3MB in the end (delta: -15.0MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB. * TraceAbstraction took 468342.78ms. Allocated memory was 182.5MB in the beginning and 2.5GB in the end (delta: 2.3GB). Free memory was 105.4MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 638.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 13.0s, 162 PlacesBefore, 43 PlacesAfterwards, 166 TransitionsBefore, 44 TransitionsAfterwards, 3584 CoEnabledTransitionPairs, 7 FixpointIterations, 22 TrivialSequentialCompositions, 170 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 16 ConcurrentYvCompositions, 3 ChoiceCompositions, 211 TotalNumberOfCompositions, 4068 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3344, independent: 3269, independent conditional: 0, independent unconditional: 3269, dependent: 75, dependent conditional: 0, dependent unconditional: 75, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2268, independent: 2241, independent conditional: 0, independent unconditional: 2241, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2268, independent: 2234, independent conditional: 0, independent unconditional: 2234, dependent: 34, dependent conditional: 0, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 34, independent: 7, independent conditional: 0, independent unconditional: 7, dependent: 27, dependent conditional: 0, dependent unconditional: 27, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 325, independent: 19, independent conditional: 0, independent unconditional: 19, dependent: 306, dependent conditional: 0, dependent unconditional: 306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3344, independent: 1028, independent conditional: 0, independent unconditional: 1028, dependent: 48, dependent conditional: 0, dependent unconditional: 48, unknown: 2268, unknown conditional: 0, unknown unconditional: 2268] , Statistics on independence cache: Total cache size (in pairs): 58, Positive cache size: 50, Positive conditional cache size: 0, Positive unconditional cache size: 50, Negative cache size: 8, Negative conditional cache size: 0, Negative unconditional cache size: 8, 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 - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 281.0s, 287 PlacesBefore, 146 PlacesAfterwards, 295 TransitionsBefore, 151 TransitionsAfterwards, 40192 CoEnabledTransitionPairs, 14 FixpointIterations, 22 TrivialSequentialCompositions, 270 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 30 ConcurrentYvCompositions, 3 ChoiceCompositions, 325 TotalNumberOfCompositions, 280875 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 89549, independent: 86627, independent conditional: 0, independent unconditional: 86627, dependent: 2742, dependent conditional: 0, dependent unconditional: 2742, unknown: 180, unknown conditional: 0, unknown unconditional: 180] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 30550, independent: 30276, independent conditional: 0, independent unconditional: 30276, dependent: 229, dependent conditional: 0, dependent unconditional: 229, unknown: 45, unknown conditional: 0, unknown unconditional: 45] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 30550, independent: 28379, independent conditional: 0, independent unconditional: 28379, dependent: 2171, dependent conditional: 0, dependent unconditional: 2171, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 2171, independent: 1897, independent conditional: 0, independent unconditional: 1897, dependent: 229, dependent conditional: 0, dependent unconditional: 229, unknown: 45, unknown conditional: 0, unknown unconditional: 45] , SemanticIndependenceRelation.Query Time [ms]: [ total: 260870, independent: 2006, independent conditional: 0, independent unconditional: 2006, dependent: 1003, dependent conditional: 0, dependent unconditional: 1003, unknown: 257860, unknown conditional: 0, unknown unconditional: 257860] ], Cache Queries: [ total: 89549, independent: 56351, independent conditional: 0, independent unconditional: 56351, dependent: 2513, dependent conditional: 0, dependent unconditional: 2513, unknown: 30685, unknown conditional: 0, unknown unconditional: 30685] , Statistics on independence cache: Total cache size (in pairs): 4524, Positive cache size: 4366, Positive conditional cache size: 0, Positive unconditional cache size: 4366, Negative cache size: 158, Negative conditional cache size: 0, Negative unconditional cache size: 158, Unknown cache size: 11, Unknown conditional cache size: 0, Unknown unconditional cache size: 11 - 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 - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:243) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/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_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/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 dadbc714432dbabd9f10b5aceb2a2ff8af11608da70d21414f772d02695c7806 --- 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 07:31:07,902 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:31:07,905 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:31:07,946 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:31:07,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:31:07,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:31:07,954 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:31:07,959 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:31:07,962 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:31:07,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:31:07,971 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:31:07,974 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:31:07,974 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:31:07,977 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:31:07,978 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:31:07,980 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:31:07,981 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:31:07,983 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:31:07,989 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:31:07,993 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:31:07,997 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:31:07,998 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:31:08,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:31:08,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:31:08,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:31:08,013 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:31:08,014 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:31:08,015 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:31:08,016 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:31:08,017 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:31:08,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:31:08,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:31:08,021 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:31:08,022 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:31:08,023 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:31:08,023 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:31:08,024 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:31:08,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:31:08,025 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:31:08,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:31:08,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:31:08,034 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Bitvector.epf [2022-11-19 07:31:08,076 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:31:08,077 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:31:08,078 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:31:08,078 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:31:08,079 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:31:08,079 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:31:08,080 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:31:08,080 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:31:08,080 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:31:08,080 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:31:08,081 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:31:08,082 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:31:08,083 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:31:08,084 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:31:08,084 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:31:08,084 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:31:08,084 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:31:08,085 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:31:08,085 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:31:08,085 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:31:08,085 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 07:31:08,085 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-11-19 07:31:08,086 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-11-19 07:31:08,086 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:31:08,086 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:31:08,086 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:31:08,086 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:31:08,087 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:31:08,087 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-19 07:31:08,087 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:31:08,087 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:31:08,088 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:31:08,088 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:31:08,089 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:31:08,089 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-11-19 07:31:08,089 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-11-19 07:31:08,089 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:31:08,090 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:31:08,090 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-19 07:31:08,090 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_feb4354e-ec46-49c8-93b4-2daa0309babe/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dadbc714432dbabd9f10b5aceb2a2ff8af11608da70d21414f772d02695c7806 [2022-11-19 07:31:08,488 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:31:08,519 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:31:08,523 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:31:08,524 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:31:08,525 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:31:08,527 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/pthread-ext/25_stack_longer-2.i [2022-11-19 07:31:08,595 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/data/de78b04db/d15fd0a91ec045d485b55593df419b3c/FLAGa9eb92439 [2022-11-19 07:31:09,252 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:31:09,261 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i [2022-11-19 07:31:09,279 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/data/de78b04db/d15fd0a91ec045d485b55593df419b3c/FLAGa9eb92439 [2022-11-19 07:31:09,489 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/data/de78b04db/d15fd0a91ec045d485b55593df419b3c [2022-11-19 07:31:09,493 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:31:09,495 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:31:09,500 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:31:09,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:31:09,505 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:31:09,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:31:09" (1/1) ... [2022-11-19 07:31:09,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@558762b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:09, skipping insertion in model container [2022-11-19 07:31:09,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:31:09" (1/1) ... [2022-11-19 07:31:09,516 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:31:09,580 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:31:10,097 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_feb4354e-ec46-49c8-93b4-2daa0309babe/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i[31039,31052] [2022-11-19 07:31:10,109 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:31:10,130 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:31:10,173 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_feb4354e-ec46-49c8-93b4-2daa0309babe/sv-benchmarks/c/pthread-ext/25_stack_longer-2.i[31039,31052] [2022-11-19 07:31:10,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:31:10,227 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:31:10,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:10 WrapperNode [2022-11-19 07:31:10,228 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:31:10,229 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:31:10,229 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:31:10,230 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:31:10,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:10" (1/1) ... [2022-11-19 07:31:10,271 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:10" (1/1) ... [2022-11-19 07:31:10,308 INFO L138 Inliner]: procedures = 181, calls = 34, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 289 [2022-11-19 07:31:10,309 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:31:10,310 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:31:10,310 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:31:10,310 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:31:10,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:10" (1/1) ... [2022-11-19 07:31:10,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:10" (1/1) ... [2022-11-19 07:31:10,326 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:10" (1/1) ... [2022-11-19 07:31:10,326 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:10" (1/1) ... [2022-11-19 07:31:10,345 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:10" (1/1) ... [2022-11-19 07:31:10,350 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:10" (1/1) ... [2022-11-19 07:31:10,353 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:10" (1/1) ... [2022-11-19 07:31:10,355 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:10" (1/1) ... [2022-11-19 07:31:10,360 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:31:10,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:31:10,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:31:10,361 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:31:10,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:10" (1/1) ... [2022-11-19 07:31:10,368 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:31:10,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:31:10,401 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:31:10,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:31:10,440 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-11-19 07:31:10,441 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-19 07:31:10,441 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-19 07:31:10,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:31:10,441 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:31:10,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:31:10,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-11-19 07:31:10,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-11-19 07:31:10,442 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2022-11-19 07:31:10,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:31:10,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:31:10,444 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 07:31:10,640 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:31:10,642 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:31:11,487 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:31:11,956 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:31:11,957 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-19 07:31:11,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:31:11 BoogieIcfgContainer [2022-11-19 07:31:11,961 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:31:11,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:31:11,965 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:31:11,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:31:11,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:31:09" (1/3) ... [2022-11-19 07:31:11,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@677d211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:31:11, skipping insertion in model container [2022-11-19 07:31:11,970 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:31:10" (2/3) ... [2022-11-19 07:31:11,970 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@677d211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:31:11, skipping insertion in model container [2022-11-19 07:31:11,971 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:31:11" (3/3) ... [2022-11-19 07:31:11,974 INFO L112 eAbstractionObserver]: Analyzing ICFG 25_stack_longer-2.i [2022-11-19 07:31:11,984 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 07:31:11,994 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:31:11,995 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 26 error locations. [2022-11-19 07:31:11,995 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 07:31:12,171 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-19 07:31:12,221 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:31:12,241 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 160 places, 164 transitions, 333 flow [2022-11-19 07:31:12,247 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 160 places, 164 transitions, 333 flow [2022-11-19 07:31:12,250 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 160 places, 164 transitions, 333 flow [2022-11-19 07:31:12,369 INFO L130 PetriNetUnfolder]: 8/175 cut-off events. [2022-11-19 07:31:12,369 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-11-19 07:31:12,377 INFO L83 FinitePrefix]: Finished finitePrefix Result has 180 conditions, 175 events. 8/175 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 230 event pairs, 0 based on Foata normal form. 0/139 useless extension candidates. Maximal degree in co-relation 138. Up to 4 conditions per place. [2022-11-19 07:31:12,382 INFO L119 LiptonReduction]: Number of co-enabled transitions 3500 [2022-11-19 07:31:45,659 INFO L134 LiptonReduction]: Checked pairs total: 3838 [2022-11-19 07:31:45,659 INFO L136 LiptonReduction]: Total number of compositions: 227 [2022-11-19 07:31:45,672 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 43 places, 44 transitions, 93 flow [2022-11-19 07:31:45,715 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 177 states, 124 states have (on average 2.661290322580645) internal successors, (330), 176 states have internal predecessors, (330), 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 07:31:45,738 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:31:45,745 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;@63255d9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:31:45,746 INFO L358 AbstractCegarLoop]: Starting to check reachability of 53 error locations. [2022-11-19 07:31:45,750 INFO L276 IsEmpty]: Start isEmpty. Operand has 177 states, 124 states have (on average 2.661290322580645) internal successors, (330), 176 states have internal predecessors, (330), 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 07:31:45,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 07:31:45,755 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:31:45,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 07:31:45,757 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-11-19 07:31:45,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:31:45,765 INFO L85 PathProgramCache]: Analyzing trace with hash 37966251, now seen corresponding path program 1 times [2022-11-19 07:31:45,780 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:31:45,781 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [777936534] [2022-11-19 07:31:45,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:45,781 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:31:45,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:31:45,787 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:31:45,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2022-11-19 07:31:45,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:31:45,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-19 07:31:45,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:31:45,954 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 07:31:45,954 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:31:45,955 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:31:45,956 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [777936534] [2022-11-19 07:31:45,956 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [777936534] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:31:45,956 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:31:45,957 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 07:31:45,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692977933] [2022-11-19 07:31:45,959 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:31:45,963 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:31:45,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:31:45,991 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:31:45,992 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:31:45,996 INFO L87 Difference]: Start difference. First operand has 177 states, 124 states have (on average 2.661290322580645) internal successors, (330), 176 states have internal predecessors, (330), 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 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 07:31:46,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:31:46,091 INFO L93 Difference]: Finished difference Result 39 states and 74 transitions. [2022-11-19 07:31:46,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:31:46,095 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-11-19 07:31:46,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:31:46,103 INFO L225 Difference]: With dead ends: 39 [2022-11-19 07:31:46,104 INFO L226 Difference]: Without dead ends: 39 [2022-11-19 07:31:46,105 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 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 07:31:46,109 INFO L413 NwaCegarLoop]: 1 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-19 07:31:46,115 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-19 07:31:46,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2022-11-19 07:31:46,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2022-11-19 07:31:46,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 38 states have (on average 1.9473684210526316) internal successors, (74), 38 states have internal predecessors, (74), 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 07:31:46,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 74 transitions. [2022-11-19 07:31:46,183 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 74 transitions. Word has length 4 [2022-11-19 07:31:46,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:31:46,183 INFO L495 AbstractCegarLoop]: Abstraction has 39 states and 74 transitions. [2022-11-19 07:31:46,184 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 07:31:46,184 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 74 transitions. [2022-11-19 07:31:46,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 07:31:46,185 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:31:46,185 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-11-19 07:31:46,204 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2022-11-19 07:31:46,395 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:31:46,395 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 49 more)] === [2022-11-19 07:31:46,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:31:46,396 INFO L85 PathProgramCache]: Analyzing trace with hash 2125782120, now seen corresponding path program 1 times [2022-11-19 07:31:46,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:31:46,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1692886230] [2022-11-19 07:31:46,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:31:46,397 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:31:46,397 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:31:46,398 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:31:46,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2022-11-19 07:31:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:31:46,482 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 07:31:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:31:46,537 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-19 07:31:46,537 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 07:31:46,539 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (52 of 53 remaining) [2022-11-19 07:31:46,541 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (51 of 53 remaining) [2022-11-19 07:31:46,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (50 of 53 remaining) [2022-11-19 07:31:46,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (49 of 53 remaining) [2022-11-19 07:31:46,542 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (48 of 53 remaining) [2022-11-19 07:31:46,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (47 of 53 remaining) [2022-11-19 07:31:46,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (46 of 53 remaining) [2022-11-19 07:31:46,543 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (45 of 53 remaining) [2022-11-19 07:31:46,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (44 of 53 remaining) [2022-11-19 07:31:46,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (43 of 53 remaining) [2022-11-19 07:31:46,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (42 of 53 remaining) [2022-11-19 07:31:46,544 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 53 remaining) [2022-11-19 07:31:46,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 53 remaining) [2022-11-19 07:31:46,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 53 remaining) [2022-11-19 07:31:46,545 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (38 of 53 remaining) [2022-11-19 07:31:46,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (37 of 53 remaining) [2022-11-19 07:31:46,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (36 of 53 remaining) [2022-11-19 07:31:46,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (35 of 53 remaining) [2022-11-19 07:31:46,546 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (34 of 53 remaining) [2022-11-19 07:31:46,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (33 of 53 remaining) [2022-11-19 07:31:46,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (32 of 53 remaining) [2022-11-19 07:31:46,547 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (31 of 53 remaining) [2022-11-19 07:31:46,548 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (30 of 53 remaining) [2022-11-19 07:31:46,548 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (29 of 53 remaining) [2022-11-19 07:31:46,548 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (28 of 53 remaining) [2022-11-19 07:31:46,548 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (27 of 53 remaining) [2022-11-19 07:31:46,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (26 of 53 remaining) [2022-11-19 07:31:46,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (25 of 53 remaining) [2022-11-19 07:31:46,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (24 of 53 remaining) [2022-11-19 07:31:46,549 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (23 of 53 remaining) [2022-11-19 07:31:46,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 53 remaining) [2022-11-19 07:31:46,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (21 of 53 remaining) [2022-11-19 07:31:46,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 53 remaining) [2022-11-19 07:31:46,550 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (19 of 53 remaining) [2022-11-19 07:31:46,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (18 of 53 remaining) [2022-11-19 07:31:46,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 53 remaining) [2022-11-19 07:31:46,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (16 of 53 remaining) [2022-11-19 07:31:46,551 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 53 remaining) [2022-11-19 07:31:46,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (14 of 53 remaining) [2022-11-19 07:31:46,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (13 of 53 remaining) [2022-11-19 07:31:46,552 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (12 of 53 remaining) [2022-11-19 07:31:46,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (11 of 53 remaining) [2022-11-19 07:31:46,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (10 of 53 remaining) [2022-11-19 07:31:46,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (9 of 53 remaining) [2022-11-19 07:31:46,553 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (8 of 53 remaining) [2022-11-19 07:31:46,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (7 of 53 remaining) [2022-11-19 07:31:46,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (6 of 53 remaining) [2022-11-19 07:31:46,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (5 of 53 remaining) [2022-11-19 07:31:46,554 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (4 of 53 remaining) [2022-11-19 07:31:46,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (3 of 53 remaining) [2022-11-19 07:31:46,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (2 of 53 remaining) [2022-11-19 07:31:46,555 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (1 of 53 remaining) [2022-11-19 07:31:46,556 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (0 of 53 remaining) [2022-11-19 07:31:46,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2022-11-19 07:31:46,775 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:31:46,777 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-19 07:31:46,779 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-19 07:31:46,779 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-19 07:31:46,897 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-19 07:31:46,905 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:31:46,905 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 282 places, 290 transitions, 592 flow [2022-11-19 07:31:46,906 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 282 places, 290 transitions, 592 flow [2022-11-19 07:31:46,906 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 282 places, 290 transitions, 592 flow [2022-11-19 07:31:47,054 INFO L130 PetriNetUnfolder]: 15/314 cut-off events. [2022-11-19 07:31:47,054 INFO L131 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2022-11-19 07:31:47,064 INFO L83 FinitePrefix]: Finished finitePrefix Result has 324 conditions, 314 events. 15/314 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 871 event pairs, 0 based on Foata normal form. 0/244 useless extension candidates. Maximal degree in co-relation 263. Up to 6 conditions per place. [2022-11-19 07:31:47,084 INFO L119 LiptonReduction]: Number of co-enabled transitions 38500 [2022-11-19 07:32:08,085 WARN L233 SmtUtils]: Spent 8.27s on a formula simplification. DAG size of input: 60 DAG size of output: 54 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:32:19,347 WARN L233 SmtUtils]: Spent 8.15s on a formula simplification. DAG size of input: 59 DAG size of output: 56 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:32:34,563 WARN L233 SmtUtils]: Spent 9.83s on a formula simplification. DAG size of input: 64 DAG size of output: 61 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:33:34,783 WARN L233 SmtUtils]: Spent 8.24s on a formula simplification. DAG size of input: 72 DAG size of output: 69 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:33:47,215 WARN L233 SmtUtils]: Spent 8.32s on a formula simplification. DAG size of input: 77 DAG size of output: 72 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:33:59,972 INFO L134 LiptonReduction]: Checked pairs total: 289033 [2022-11-19 07:33:59,973 INFO L136 LiptonReduction]: Total number of compositions: 317 [2022-11-19 07:33:59,977 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 148 places, 153 transitions, 318 flow [2022-11-19 07:34:01,300 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 28493 states, 27010 states have (on average 3.100592373195113) internal successors, (83747), 28492 states have internal predecessors, (83747), 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 07:34:01,315 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:34:01,323 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;@63255d9f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:34:01,324 INFO L358 AbstractCegarLoop]: Starting to check reachability of 79 error locations. [2022-11-19 07:34:01,393 INFO L276 IsEmpty]: Start isEmpty. Operand has 28493 states, 27010 states have (on average 3.100592373195113) internal successors, (83747), 28492 states have internal predecessors, (83747), 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 07:34:01,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-19 07:34:01,393 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:34:01,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-19 07:34:01,394 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-11-19 07:34:01,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:34:01,395 INFO L85 PathProgramCache]: Analyzing trace with hash 58901941, now seen corresponding path program 1 times [2022-11-19 07:34:01,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:34:01,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [35358164] [2022-11-19 07:34:01,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:01,396 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:34:01,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:34:01,401 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:34:01,443 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2022-11-19 07:34:01,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:34:01,655 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjunts are in the unsatisfiable core [2022-11-19 07:34:01,655 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:34:01,656 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 07:34:01,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:34:01,657 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:34:01,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [35358164] [2022-11-19 07:34:01,658 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [35358164] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:34:01,658 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:34:01,658 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-19 07:34:01,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751567052] [2022-11-19 07:34:01,659 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:34:01,659 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-19 07:34:01,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:34:01,660 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-19 07:34:01,660 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-19 07:34:01,743 INFO L87 Difference]: Start difference. First operand has 28493 states, 27010 states have (on average 3.100592373195113) internal successors, (83747), 28492 states have internal predecessors, (83747), 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 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 07:34:02,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:34:02,239 INFO L93 Difference]: Finished difference Result 14525 states and 42112 transitions. [2022-11-19 07:34:02,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-19 07:34:02,241 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 4 [2022-11-19 07:34:02,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:34:02,389 INFO L225 Difference]: With dead ends: 14525 [2022-11-19 07:34:02,389 INFO L226 Difference]: Without dead ends: 14525 [2022-11-19 07:34:02,390 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 3 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 07:34:02,393 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:34:02,393 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 68 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:34:02,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14525 states. [2022-11-19 07:34:03,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14525 to 14525. [2022-11-19 07:34:03,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14525 states, 14381 states have (on average 2.9283081844099854) internal successors, (42112), 14524 states have internal predecessors, (42112), 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 07:34:03,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14525 states to 14525 states and 42112 transitions. [2022-11-19 07:34:03,238 INFO L78 Accepts]: Start accepts. Automaton has 14525 states and 42112 transitions. Word has length 4 [2022-11-19 07:34:03,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:34:03,239 INFO L495 AbstractCegarLoop]: Abstraction has 14525 states and 42112 transitions. [2022-11-19 07:34:03,239 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 4.0) internal successors, (4), 2 states have internal predecessors, (4), 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 07:34:03,239 INFO L276 IsEmpty]: Start isEmpty. Operand 14525 states and 42112 transitions. [2022-11-19 07:34:03,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-19 07:34:03,244 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:34:03,245 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2022-11-19 07:34:03,264 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2022-11-19 07:34:03,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:34:03,458 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err2ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-11-19 07:34:03,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:34:03,458 INFO L85 PathProgramCache]: Analyzing trace with hash 770240600, now seen corresponding path program 1 times [2022-11-19 07:34:03,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:34:03,459 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [964139621] [2022-11-19 07:34:03,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:03,459 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:34:03,460 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:34:03,460 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:34:03,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2022-11-19 07:34:03,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:34:03,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:34:03,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:34:03,608 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 07:34:03,608 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:34:03,608 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:34:03,608 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [964139621] [2022-11-19 07:34:03,609 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [964139621] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:34:03,609 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:34:03,609 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:34:03,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551467641] [2022-11-19 07:34:03,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:34:03,610 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:34:03,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:34:03,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:34:03,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:34:03,611 INFO L87 Difference]: Start difference. First operand 14525 states and 42112 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) [2022-11-19 07:34:04,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:34:04,198 INFO L93 Difference]: Finished difference Result 27692 states and 80326 transitions. [2022-11-19 07:34:04,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:34:04,199 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 [2022-11-19 07:34:04,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:34:04,512 INFO L225 Difference]: With dead ends: 27692 [2022-11-19 07:34:04,512 INFO L226 Difference]: Without dead ends: 27692 [2022-11-19 07:34:04,512 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 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 07:34:04,516 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 112 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 120 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 129 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:34:04,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 129 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:34:04,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27692 states. [2022-11-19 07:34:05,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27692 to 14831. [2022-11-19 07:34:05,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14831 states, 14690 states have (on average 2.9545268890401633) internal successors, (43402), 14830 states have internal predecessors, (43402), 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 07:34:05,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14831 states to 14831 states and 43402 transitions. [2022-11-19 07:34:05,567 INFO L78 Accepts]: Start accepts. Automaton has 14831 states and 43402 transitions. Word has length 6 [2022-11-19 07:34:05,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:34:05,568 INFO L495 AbstractCegarLoop]: Abstraction has 14831 states and 43402 transitions. [2022-11-19 07:34:05,568 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) [2022-11-19 07:34:05,568 INFO L276 IsEmpty]: Start isEmpty. Operand 14831 states and 43402 transitions. [2022-11-19 07:34:05,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 07:34:05,569 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:34:05,569 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:34:05,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2022-11-19 07:34:05,782 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:34:05,783 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err3ASSERT_VIOLATIONDATA_RACE === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-11-19 07:34:05,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:34:05,783 INFO L85 PathProgramCache]: Analyzing trace with hash -1762035074, now seen corresponding path program 1 times [2022-11-19 07:34:05,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:34:05,784 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [370009976] [2022-11-19 07:34:05,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:05,784 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:34:05,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:34:05,785 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:34:05,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2022-11-19 07:34:05,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:34:05,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-19 07:34:05,904 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-19 07:34:05,913 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 07:34:05,913 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-11-19 07:34:05,913 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2022-11-19 07:34:05,913 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [370009976] [2022-11-19 07:34:05,913 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleMathsat [370009976] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:34:05,913 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:34:05,913 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-19 07:34:05,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493079923] [2022-11-19 07:34:05,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:34:05,914 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-19 07:34:05,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2022-11-19 07:34:05,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-19 07:34:05,915 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-19 07:34:05,915 INFO L87 Difference]: Start difference. First operand 14831 states and 43402 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 07:34:06,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:34:06,397 INFO L93 Difference]: Finished difference Result 15022 states and 43945 transitions. [2022-11-19 07:34:06,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-19 07:34:06,399 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 07:34:06,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:34:06,479 INFO L225 Difference]: With dead ends: 15022 [2022-11-19 07:34:06,479 INFO L226 Difference]: Without dead ends: 15022 [2022-11-19 07:34:06,480 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 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 07:34:06,480 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 57 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:34:06,481 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 154 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 07:34:06,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15022 states. [2022-11-19 07:34:06,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15022 to 15022. [2022-11-19 07:34:07,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15022 states, 14881 states have (on average 2.9530945500974397) internal successors, (43945), 15021 states have internal predecessors, (43945), 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 07:34:07,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15022 states to 15022 states and 43945 transitions. [2022-11-19 07:34:07,187 INFO L78 Accepts]: Start accepts. Automaton has 15022 states and 43945 transitions. Word has length 9 [2022-11-19 07:34:07,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:34:07,188 INFO L495 AbstractCegarLoop]: Abstraction has 15022 states and 43945 transitions. [2022-11-19 07:34:07,188 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 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 07:34:07,188 INFO L276 IsEmpty]: Start isEmpty. Operand 15022 states and 43945 transitions. [2022-11-19 07:34:07,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-11-19 07:34:07,189 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:34:07,189 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2022-11-19 07:34:07,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2022-11-19 07:34:07,402 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:34:07,402 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [thr1Err0ASSERT_VIOLATIONDATA_RACE, thr1Err1ASSERT_VIOLATIONDATA_RACE, thr1Err2ASSERT_VIOLATIONDATA_RACE, thr1Err5ASSERT_VIOLATIONDATA_RACE (and 75 more)] === [2022-11-19 07:34:07,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:34:07,403 INFO L85 PathProgramCache]: Analyzing trace with hash 213941907, now seen corresponding path program 1 times [2022-11-19 07:34:07,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2022-11-19 07:34:07,403 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1313289999] [2022-11-19 07:34:07,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:34:07,404 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:34:07,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat [2022-11-19 07:34:07,405 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2022-11-19 07:34:07,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2022-11-19 07:34:07,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:34:07,523 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-19 07:34:07,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-19 07:34:07,586 INFO L130 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2022-11-19 07:34:07,587 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-19 07:34:07,587 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (78 of 79 remaining) [2022-11-19 07:34:07,587 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (77 of 79 remaining) [2022-11-19 07:34:07,587 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (76 of 79 remaining) [2022-11-19 07:34:07,587 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (75 of 79 remaining) [2022-11-19 07:34:07,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (74 of 79 remaining) [2022-11-19 07:34:07,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (73 of 79 remaining) [2022-11-19 07:34:07,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (72 of 79 remaining) [2022-11-19 07:34:07,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (71 of 79 remaining) [2022-11-19 07:34:07,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (70 of 79 remaining) [2022-11-19 07:34:07,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (69 of 79 remaining) [2022-11-19 07:34:07,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (68 of 79 remaining) [2022-11-19 07:34:07,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (67 of 79 remaining) [2022-11-19 07:34:07,588 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (66 of 79 remaining) [2022-11-19 07:34:07,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (65 of 79 remaining) [2022-11-19 07:34:07,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (64 of 79 remaining) [2022-11-19 07:34:07,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (63 of 79 remaining) [2022-11-19 07:34:07,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (62 of 79 remaining) [2022-11-19 07:34:07,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (61 of 79 remaining) [2022-11-19 07:34:07,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (60 of 79 remaining) [2022-11-19 07:34:07,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (59 of 79 remaining) [2022-11-19 07:34:07,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (58 of 79 remaining) [2022-11-19 07:34:07,589 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (57 of 79 remaining) [2022-11-19 07:34:07,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (56 of 79 remaining) [2022-11-19 07:34:07,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (55 of 79 remaining) [2022-11-19 07:34:07,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (54 of 79 remaining) [2022-11-19 07:34:07,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (53 of 79 remaining) [2022-11-19 07:34:07,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (52 of 79 remaining) [2022-11-19 07:34:07,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (51 of 79 remaining) [2022-11-19 07:34:07,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (50 of 79 remaining) [2022-11-19 07:34:07,590 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (49 of 79 remaining) [2022-11-19 07:34:07,596 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (48 of 79 remaining) [2022-11-19 07:34:07,596 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (47 of 79 remaining) [2022-11-19 07:34:07,596 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (46 of 79 remaining) [2022-11-19 07:34:07,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (45 of 79 remaining) [2022-11-19 07:34:07,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (44 of 79 remaining) [2022-11-19 07:34:07,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (43 of 79 remaining) [2022-11-19 07:34:07,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (42 of 79 remaining) [2022-11-19 07:34:07,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (41 of 79 remaining) [2022-11-19 07:34:07,597 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (40 of 79 remaining) [2022-11-19 07:34:07,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (39 of 79 remaining) [2022-11-19 07:34:07,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (38 of 79 remaining) [2022-11-19 07:34:07,598 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (37 of 79 remaining) [2022-11-19 07:34:07,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (36 of 79 remaining) [2022-11-19 07:34:07,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (35 of 79 remaining) [2022-11-19 07:34:07,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (34 of 79 remaining) [2022-11-19 07:34:07,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (33 of 79 remaining) [2022-11-19 07:34:07,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (32 of 79 remaining) [2022-11-19 07:34:07,599 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (31 of 79 remaining) [2022-11-19 07:34:07,600 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (30 of 79 remaining) [2022-11-19 07:34:07,600 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (29 of 79 remaining) [2022-11-19 07:34:07,600 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (28 of 79 remaining) [2022-11-19 07:34:07,600 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (27 of 79 remaining) [2022-11-19 07:34:07,600 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (26 of 79 remaining) [2022-11-19 07:34:07,600 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err0ASSERT_VIOLATIONDATA_RACE (25 of 79 remaining) [2022-11-19 07:34:07,601 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err1ASSERT_VIOLATIONDATA_RACE (24 of 79 remaining) [2022-11-19 07:34:07,601 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err2ASSERT_VIOLATIONDATA_RACE (23 of 79 remaining) [2022-11-19 07:34:07,601 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err5ASSERT_VIOLATIONDATA_RACE (22 of 79 remaining) [2022-11-19 07:34:07,601 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err6ASSERT_VIOLATIONDATA_RACE (21 of 79 remaining) [2022-11-19 07:34:07,601 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err3ASSERT_VIOLATIONDATA_RACE (20 of 79 remaining) [2022-11-19 07:34:07,601 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err4ASSERT_VIOLATIONDATA_RACE (19 of 79 remaining) [2022-11-19 07:34:07,602 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err7ASSERT_VIOLATIONDATA_RACE (18 of 79 remaining) [2022-11-19 07:34:07,602 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err8ASSERT_VIOLATIONDATA_RACE (17 of 79 remaining) [2022-11-19 07:34:07,602 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err9ASSERT_VIOLATIONDATA_RACE (16 of 79 remaining) [2022-11-19 07:34:07,602 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err10ASSERT_VIOLATIONDATA_RACE (15 of 79 remaining) [2022-11-19 07:34:07,602 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err11ASSERT_VIOLATIONDATA_RACE (14 of 79 remaining) [2022-11-19 07:34:07,603 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err12ASSERT_VIOLATIONDATA_RACE (13 of 79 remaining) [2022-11-19 07:34:07,603 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err13ASSERT_VIOLATIONDATA_RACE (12 of 79 remaining) [2022-11-19 07:34:07,603 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err14ASSERT_VIOLATIONDATA_RACE (11 of 79 remaining) [2022-11-19 07:34:07,603 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err15ASSERT_VIOLATIONDATA_RACE (10 of 79 remaining) [2022-11-19 07:34:07,603 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err16ASSERT_VIOLATIONDATA_RACE (9 of 79 remaining) [2022-11-19 07:34:07,603 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err17ASSERT_VIOLATIONDATA_RACE (8 of 79 remaining) [2022-11-19 07:34:07,604 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err25ASSERT_VIOLATIONDATA_RACE (7 of 79 remaining) [2022-11-19 07:34:07,604 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err18ASSERT_VIOLATIONDATA_RACE (6 of 79 remaining) [2022-11-19 07:34:07,604 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err19ASSERT_VIOLATIONDATA_RACE (5 of 79 remaining) [2022-11-19 07:34:07,604 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err20ASSERT_VIOLATIONDATA_RACE (4 of 79 remaining) [2022-11-19 07:34:07,604 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err21ASSERT_VIOLATIONDATA_RACE (3 of 79 remaining) [2022-11-19 07:34:07,604 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err22ASSERT_VIOLATIONDATA_RACE (2 of 79 remaining) [2022-11-19 07:34:07,605 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err23ASSERT_VIOLATIONDATA_RACE (1 of 79 remaining) [2022-11-19 07:34:07,605 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location thr1Err24ASSERT_VIOLATIONDATA_RACE (0 of 79 remaining) [2022-11-19 07:34:07,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2022-11-19 07:34:07,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_feb4354e-ec46-49c8-93b4-2daa0309babe/bin/utaipan-I9t0OCRTmS/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2022-11-19 07:34:07,806 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-19 07:34:07,806 WARN L233 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-19 07:34:07,806 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances. [2022-11-19 07:34:07,917 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-11-19 07:34:07,921 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:34:07,921 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 404 places, 416 transitions, 853 flow [2022-11-19 07:34:07,922 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 404 places, 416 transitions, 853 flow [2022-11-19 07:34:07,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 404 places, 416 transitions, 853 flow [2022-11-19 07:34:08,196 INFO L130 PetriNetUnfolder]: 22/453 cut-off events. [2022-11-19 07:34:08,197 INFO L131 PetriNetUnfolder]: For 7/7 co-relation queries the response was YES. [2022-11-19 07:34:08,207 INFO L83 FinitePrefix]: Finished finitePrefix Result has 469 conditions, 453 events. 22/453 cut-off events. For 7/7 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 1672 event pairs, 0 based on Foata normal form. 0/349 useless extension candidates. Maximal degree in co-relation 388. Up to 8 conditions per place. [2022-11-19 07:34:08,250 INFO L119 LiptonReduction]: Number of co-enabled transitions 105000 [2022-11-19 07:34:19,440 WARN L233 SmtUtils]: Spent 8.20s on a formula simplification. DAG size of input: 59 DAG size of output: 56 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:34:50,374 WARN L233 SmtUtils]: Spent 8.43s on a formula simplification. DAG size of input: 64 DAG size of output: 58 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:35:12,555 WARN L233 SmtUtils]: Spent 6.12s on a formula simplification that was a NOOP. DAG size: 60 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:35:21,204 WARN L233 SmtUtils]: Spent 8.65s on a formula simplification. DAG size of input: 60 DAG size of output: 57 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:35:42,627 WARN L233 SmtUtils]: Spent 6.12s on a formula simplification that was a NOOP. DAG size: 61 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:35:49,480 WARN L233 SmtUtils]: Spent 6.85s on a formula simplification. DAG size of input: 61 DAG size of output: 55 (called from [L 301] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-19 07:37:40,350 INFO L134 LiptonReduction]: Checked pairs total: 819007 [2022-11-19 07:37:40,351 INFO L136 LiptonReduction]: Total number of compositions: 467 [2022-11-19 07:37:40,352 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 219 places, 227 transitions, 475 flow