./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version b5237d83 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_c3b1f2e3-441e-4666-b0ad-a3f03c482ea5/bin/utaipan-g80aRyZoba/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b1f2e3-441e-4666-b0ad-a3f03c482ea5/bin/utaipan-g80aRyZoba/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b1f2e3-441e-4666-b0ad-a3f03c482ea5/bin/utaipan-g80aRyZoba/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b1f2e3-441e-4666-b0ad-a3f03c482ea5/bin/utaipan-g80aRyZoba/config/TaipanReach.xml -i ../../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b1f2e3-441e-4666-b0ad-a3f03c482ea5/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b1f2e3-441e-4666-b0ad-a3f03c482ea5/bin/utaipan-g80aRyZoba --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 f91e7b856fd6bf43c568f48d1703ed519fbb708e5c1360b96f8534e6fa4ed35d --- 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-b5237d8 [2022-11-22 00:33:23,693 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-22 00:33:23,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-22 00:33:23,740 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-22 00:33:23,742 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-22 00:33:23,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-22 00:33:23,749 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-22 00:33:23,752 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-22 00:33:23,754 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-22 00:33:23,761 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-22 00:33:23,763 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-22 00:33:23,765 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-22 00:33:23,766 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-22 00:33:23,768 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-22 00:33:23,772 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-22 00:33:23,774 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-22 00:33:23,776 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-22 00:33:23,778 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-22 00:33:23,780 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-22 00:33:23,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-22 00:33:23,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-22 00:33:23,791 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-22 00:33:23,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-22 00:33:23,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-22 00:33:23,805 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-22 00:33:23,806 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-22 00:33:23,807 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-22 00:33:23,809 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-22 00:33:23,809 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-22 00:33:23,811 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-22 00:33:23,811 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-22 00:33:23,812 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-22 00:33:23,815 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-22 00:33:23,816 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-22 00:33:23,818 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-22 00:33:23,819 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-22 00:33:23,819 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-22 00:33:23,820 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-22 00:33:23,820 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-22 00:33:23,822 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-22 00:33:23,823 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-22 00:33:23,824 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b1f2e3-441e-4666-b0ad-a3f03c482ea5/bin/utaipan-g80aRyZoba/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-22 00:33:23,866 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-22 00:33:23,866 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-22 00:33:23,867 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-22 00:33:23,867 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-22 00:33:23,868 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-22 00:33:23,869 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-22 00:33:23,869 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-22 00:33:23,869 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-22 00:33:23,869 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-22 00:33:23,870 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-22 00:33:23,871 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-22 00:33:23,871 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-22 00:33:23,871 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-22 00:33:23,872 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-22 00:33:23,872 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-22 00:33:23,872 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-22 00:33:23,873 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-22 00:33:23,873 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-22 00:33:23,874 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-22 00:33:23,874 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-22 00:33:23,874 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-22 00:33:23,875 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-22 00:33:23,875 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-22 00:33:23,875 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-22 00:33:23,875 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-22 00:33:23,875 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-22 00:33:23,876 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-22 00:33:23,876 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-22 00:33:23,876 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-22 00:33:23,876 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-22 00:33:23,877 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-22 00:33:23,877 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-22 00:33:23,877 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-22 00:33:23,878 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-22 00:33:23,878 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:33:23,878 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-22 00:33:23,879 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-22 00:33:23,879 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-22 00:33:23,879 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-22 00:33:23,879 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-22 00:33:23,879 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-22 00:33:23,880 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-22 00:33:23,880 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-22 00:33:23,880 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_c3b1f2e3-441e-4666-b0ad-a3f03c482ea5/bin/utaipan-g80aRyZoba/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b1f2e3-441e-4666-b0ad-a3f03c482ea5/bin/utaipan-g80aRyZoba Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f91e7b856fd6bf43c568f48d1703ed519fbb708e5c1360b96f8534e6fa4ed35d [2022-11-22 00:33:24,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-22 00:33:24,205 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-22 00:33:24,208 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-22 00:33:24,209 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-22 00:33:24,210 INFO L275 PluginConnector]: CDTParser initialized [2022-11-22 00:33:24,211 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b1f2e3-441e-4666-b0ad-a3f03c482ea5/bin/utaipan-g80aRyZoba/../../sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c [2022-11-22 00:33:27,338 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-22 00:33:27,556 INFO L351 CDTParser]: Found 1 translation units. [2022-11-22 00:33:27,556 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b1f2e3-441e-4666-b0ad-a3f03c482ea5/sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c [2022-11-22 00:33:27,564 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b1f2e3-441e-4666-b0ad-a3f03c482ea5/bin/utaipan-g80aRyZoba/data/9b4e42c50/dd958a6fbf0a4985b839bc2b52fb4ac2/FLAGf9547e3e0 [2022-11-22 00:33:27,588 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b1f2e3-441e-4666-b0ad-a3f03c482ea5/bin/utaipan-g80aRyZoba/data/9b4e42c50/dd958a6fbf0a4985b839bc2b52fb4ac2 [2022-11-22 00:33:27,592 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-22 00:33:27,594 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-22 00:33:27,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-22 00:33:27,600 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-22 00:33:27,604 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-22 00:33:27,605 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:33:27" (1/1) ... [2022-11-22 00:33:27,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fc90134 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:33:27, skipping insertion in model container [2022-11-22 00:33:27,607 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 12:33:27" (1/1) ... [2022-11-22 00:33:27,615 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-22 00:33:27,641 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-22 00:33:27,913 WARN L237 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_c3b1f2e3-441e-4666-b0ad-a3f03c482ea5/sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c[2598,2611] [2022-11-22 00:33:27,925 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:33:27,934 INFO L203 MainTranslator]: Completed pre-run [2022-11-22 00:33:27,973 WARN L237 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_c3b1f2e3-441e-4666-b0ad-a3f03c482ea5/sv-benchmarks/c/weaver/popl20-more-vector-add.wvr.c[2598,2611] [2022-11-22 00:33:27,977 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-22 00:33:27,993 INFO L208 MainTranslator]: Completed translation [2022-11-22 00:33:27,994 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:33:27 WrapperNode [2022-11-22 00:33:27,994 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-22 00:33:27,995 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-22 00:33:27,995 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-22 00:33:27,995 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-22 00:33:28,002 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:33:27" (1/1) ... [2022-11-22 00:33:28,018 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:33:27" (1/1) ... [2022-11-22 00:33:28,068 INFO L138 Inliner]: procedures = 25, calls = 46, calls flagged for inlining = 11, calls inlined = 17, statements flattened = 298 [2022-11-22 00:33:28,068 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-22 00:33:28,069 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-22 00:33:28,069 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-22 00:33:28,070 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-22 00:33:28,080 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:33:27" (1/1) ... [2022-11-22 00:33:28,081 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:33:27" (1/1) ... [2022-11-22 00:33:28,088 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:33:27" (1/1) ... [2022-11-22 00:33:28,088 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:33:27" (1/1) ... [2022-11-22 00:33:28,108 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:33:27" (1/1) ... [2022-11-22 00:33:28,115 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:33:27" (1/1) ... [2022-11-22 00:33:28,118 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:33:27" (1/1) ... [2022-11-22 00:33:28,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:33:27" (1/1) ... [2022-11-22 00:33:28,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-22 00:33:28,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-22 00:33:28,126 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-22 00:33:28,126 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-22 00:33:28,127 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:33:27" (1/1) ... [2022-11-22 00:33:28,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-22 00:33:28,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b1f2e3-441e-4666-b0ad-a3f03c482ea5/bin/utaipan-g80aRyZoba/z3 [2022-11-22 00:33:28,189 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b1f2e3-441e-4666-b0ad-a3f03c482ea5/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-22 00:33:28,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c3b1f2e3-441e-4666-b0ad-a3f03c482ea5/bin/utaipan-g80aRyZoba/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-22 00:33:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-22 00:33:28,244 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-22 00:33:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-22 00:33:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-22 00:33:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2022-11-22 00:33:28,245 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2022-11-22 00:33:28,245 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2022-11-22 00:33:28,245 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2022-11-22 00:33:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2022-11-22 00:33:28,246 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2022-11-22 00:33:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-22 00:33:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-22 00:33:28,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-22 00:33:28,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-22 00:33:28,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-22 00:33:28,248 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-22 00:33:28,424 INFO L235 CfgBuilder]: Building ICFG [2022-11-22 00:33:28,426 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-22 00:33:29,378 INFO L276 CfgBuilder]: Performing block encoding [2022-11-22 00:33:29,403 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-22 00:33:29,406 INFO L300 CfgBuilder]: Removed 7 assume(true) statements. [2022-11-22 00:33:29,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:33:29 BoogieIcfgContainer [2022-11-22 00:33:29,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-22 00:33:29,413 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-22 00:33:29,415 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-22 00:33:29,420 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-22 00:33:29,423 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 12:33:27" (1/3) ... [2022-11-22 00:33:29,425 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f84bd6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:33:29, skipping insertion in model container [2022-11-22 00:33:29,425 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 12:33:27" (2/3) ... [2022-11-22 00:33:29,426 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f84bd6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 12:33:29, skipping insertion in model container [2022-11-22 00:33:29,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 12:33:29" (3/3) ... [2022-11-22 00:33:29,428 INFO L112 eAbstractionObserver]: Analyzing ICFG popl20-more-vector-add.wvr.c [2022-11-22 00:33:29,436 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-22 00:33:29,447 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-22 00:33:29,447 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 47 error locations. [2022-11-22 00:33:29,447 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-22 00:33:29,614 INFO L144 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2022-11-22 00:33:29,673 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-22 00:33:29,688 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 507 places, 524 transitions, 1072 flow [2022-11-22 00:33:29,691 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 507 places, 524 transitions, 1072 flow [2022-11-22 00:33:29,692 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 507 places, 524 transitions, 1072 flow [2022-11-22 00:33:29,893 INFO L130 PetriNetUnfolder]: 27/521 cut-off events. [2022-11-22 00:33:29,894 INFO L131 PetriNetUnfolder]: For 3/3 co-relation queries the response was YES. [2022-11-22 00:33:29,906 INFO L83 FinitePrefix]: Finished finitePrefix Result has 534 conditions, 521 events. 27/521 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 734 event pairs, 0 based on Foata normal form. 0/447 useless extension candidates. Maximal degree in co-relation 386. Up to 2 conditions per place. [2022-11-22 00:33:29,918 INFO L119 LiptonReduction]: Number of co-enabled transitions 20034 [2022-11-22 00:33:49,442 INFO L134 LiptonReduction]: Checked pairs total: 181576 [2022-11-22 00:33:49,442 INFO L136 LiptonReduction]: Total number of compositions: 570 [2022-11-22 00:33:49,451 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 158 places, 158 transitions, 340 flow [2022-11-22 00:33:57,863 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 232483 states, 231229 states have (on average 3.955598129992345) internal successors, (914649), 232482 states have internal predecessors, (914649), 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) [2022-11-22 00:33:57,905 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-22 00:33:57,912 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;@35d9b998, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-22 00:33:57,913 INFO L358 AbstractCegarLoop]: Starting to check reachability of 72 error locations. [2022-11-22 00:33:58,203 INFO L276 IsEmpty]: Start isEmpty. Operand has 232483 states, 231229 states have (on average 3.955598129992345) internal successors, (914649), 232482 states have internal predecessors, (914649), 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) [2022-11-22 00:33:58,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2022-11-22 00:33:58,208 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:33:58,209 INFO L195 NwaCegarLoop]: trace histogram [1] [2022-11-22 00:33:58,210 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-22 00:33:58,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:33:58,218 INFO L85 PathProgramCache]: Analyzing trace with hash 1892, now seen corresponding path program 1 times [2022-11-22 00:33:58,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:33:58,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317137508] [2022-11-22 00:33:58,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:33:58,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:33:58,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:33:58,338 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:33:58,338 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:33:58,339 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317137508] [2022-11-22 00:33:58,339 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317137508] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:33:58,340 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:33:58,340 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2022-11-22 00:33:58,342 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1470928114] [2022-11-22 00:33:58,342 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:33:58,347 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-22 00:33:58,347 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:33:58,378 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-22 00:33:58,379 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 00:33:59,337 INFO L87 Difference]: Start difference. First operand has 232483 states, 231229 states have (on average 3.955598129992345) internal successors, (914649), 232482 states have internal predecessors, (914649), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:34:02,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:34:02,569 INFO L93 Difference]: Finished difference Result 147589 states and 565341 transitions. [2022-11-22 00:34:02,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-22 00:34:02,580 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 1 [2022-11-22 00:34:02,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:34:04,472 INFO L225 Difference]: With dead ends: 147589 [2022-11-22 00:34:04,472 INFO L226 Difference]: Without dead ends: 147587 [2022-11-22 00:34:04,473 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-22 00:34:04,477 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 72 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-22 00:34:04,478 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 72 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-22 00:34:04,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147587 states. [2022-11-22 00:34:10,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147587 to 147587. [2022-11-22 00:34:10,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147587 states, 147440 states have (on average 3.8343597395550733) internal successors, (565338), 147586 states have internal predecessors, (565338), 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) [2022-11-22 00:34:11,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147587 states to 147587 states and 565338 transitions. [2022-11-22 00:34:11,944 INFO L78 Accepts]: Start accepts. Automaton has 147587 states and 565338 transitions. Word has length 1 [2022-11-22 00:34:11,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:34:11,944 INFO L495 AbstractCegarLoop]: Abstraction has 147587 states and 565338 transitions. [2022-11-22 00:34:11,944 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 1.0) internal successors, (1), 1 states have internal predecessors, (1), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:34:11,944 INFO L276 IsEmpty]: Start isEmpty. Operand 147587 states and 565338 transitions. [2022-11-22 00:34:11,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-22 00:34:11,948 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:34:11,948 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:34:11,948 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-22 00:34:11,949 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting thread1Err3ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-22 00:34:11,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:34:11,949 INFO L85 PathProgramCache]: Analyzing trace with hash -1374668018, now seen corresponding path program 1 times [2022-11-22 00:34:11,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:34:11,950 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1556325466] [2022-11-22 00:34:11,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:34:11,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:34:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:34:12,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:34:12,386 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:34:12,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1556325466] [2022-11-22 00:34:12,387 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1556325466] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:34:12,387 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:34:12,387 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-22 00:34:12,388 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [892629112] [2022-11-22 00:34:12,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:34:12,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-22 00:34:12,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:34:12,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-22 00:34:12,391 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2022-11-22 00:34:12,391 INFO L87 Difference]: Start difference. First operand 147587 states and 565338 transitions. Second operand has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:34:15,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:34:15,602 INFO L93 Difference]: Finished difference Result 204621 states and 763952 transitions. [2022-11-22 00:34:15,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-22 00:34:15,607 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-22 00:34:15,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:34:17,063 INFO L225 Difference]: With dead ends: 204621 [2022-11-22 00:34:17,063 INFO L226 Difference]: Without dead ends: 204621 [2022-11-22 00:34:17,063 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2022-11-22 00:34:17,065 INFO L413 NwaCegarLoop]: 114 mSDtfsCounter, 420 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 199 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 420 SdHoareTripleChecker+Valid, 342 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 199 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-22 00:34:17,065 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [420 Valid, 342 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 199 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-22 00:34:18,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204621 states. [2022-11-22 00:34:23,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204621 to 164605. [2022-11-22 00:34:24,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164605 states, 164458 states have (on average 3.837569470624719) internal successors, (631119), 164604 states have internal predecessors, (631119), 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) [2022-11-22 00:34:25,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164605 states to 164605 states and 631119 transitions. [2022-11-22 00:34:25,041 INFO L78 Accepts]: Start accepts. Automaton has 164605 states and 631119 transitions. Word has length 15 [2022-11-22 00:34:25,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-22 00:34:25,042 INFO L495 AbstractCegarLoop]: Abstraction has 164605 states and 631119 transitions. [2022-11-22 00:34:25,042 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.0) internal successors, (15), 4 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-22 00:34:25,042 INFO L276 IsEmpty]: Start isEmpty. Operand 164605 states and 631119 transitions. [2022-11-22 00:34:25,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2022-11-22 00:34:25,045 INFO L187 NwaCegarLoop]: Found error trace [2022-11-22 00:34:25,045 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-22 00:34:25,046 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-22 00:34:25,046 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONDATA_RACE === [thread1Err0ASSERT_VIOLATIONDATA_RACE, thread1Err1ASSERT_VIOLATIONDATA_RACE, thread1Err2ASSERT_VIOLATIONDATA_RACE, thread1Err3ASSERT_VIOLATIONDATA_RACE (and 68 more)] === [2022-11-22 00:34:25,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-22 00:34:25,047 INFO L85 PathProgramCache]: Analyzing trace with hash -1801429908, now seen corresponding path program 1 times [2022-11-22 00:34:25,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-22 00:34:25,047 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009268977] [2022-11-22 00:34:25,048 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-22 00:34:25,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-22 00:34:25,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-22 00:34:26,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-22 00:34:26,702 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-22 00:34:26,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009268977] [2022-11-22 00:34:26,702 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2009268977] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-22 00:34:26,702 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-22 00:34:26,703 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-22 00:34:26,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137346225] [2022-11-22 00:34:26,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-22 00:34:26,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-22 00:34:26,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-22 00:34:26,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-22 00:34:26,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 00:34:26,705 INFO L87 Difference]: Start difference. First operand 164605 states and 631119 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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) [2022-11-22 00:34:30,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-22 00:34:30,213 INFO L93 Difference]: Finished difference Result 268668 states and 1021677 transitions. [2022-11-22 00:34:30,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-22 00:34:30,213 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 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 16 [2022-11-22 00:34:30,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-22 00:34:32,792 INFO L225 Difference]: With dead ends: 268668 [2022-11-22 00:34:32,793 INFO L226 Difference]: Without dead ends: 268668 [2022-11-22 00:34:32,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-22 00:34:32,794 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 195 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2022-11-22 00:34:32,795 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 110 Invalid, 967 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [127 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2022-11-22 00:34:33,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268668 states.