./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_85-list2_racefree.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f 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_ba447687-8ef4-42dd-b3a7-f83c41bead50/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba447687-8ef4-42dd-b3a7-f83c41bead50/bin/utaipan-Xvt2sAort0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba447687-8ef4-42dd-b3a7-f83c41bead50/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba447687-8ef4-42dd-b3a7-f83c41bead50/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_85-list2_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba447687-8ef4-42dd-b3a7-f83c41bead50/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba447687-8ef4-42dd-b3a7-f83c41bead50/bin/utaipan-Xvt2sAort0 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash da9f6c449f4da806b6a3bb0aaf2c3c9171ea9b71d075f7e8b1d9543f656f7b8b --- 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-e04fb08 [2022-11-16 19:58:02,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 19:58:02,794 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 19:58:02,830 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 19:58:02,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 19:58:02,838 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 19:58:02,841 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 19:58:02,845 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 19:58:02,848 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 19:58:02,857 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 19:58:02,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 19:58:02,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 19:58:02,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 19:58:02,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 19:58:02,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 19:58:02,869 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 19:58:02,872 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 19:58:02,873 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 19:58:02,875 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 19:58:02,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 19:58:02,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 19:58:02,888 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 19:58:02,890 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 19:58:02,892 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 19:58:02,897 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 19:58:02,902 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 19:58:02,903 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 19:58:02,904 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 19:58:02,906 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 19:58:02,907 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 19:58:02,907 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 19:58:02,909 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 19:58:02,911 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 19:58:02,912 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 19:58:02,915 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 19:58:02,915 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 19:58:02,916 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 19:58:02,916 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 19:58:02,917 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 19:58:02,918 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 19:58:02,919 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 19:58:02,920 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba447687-8ef4-42dd-b3a7-f83c41bead50/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-16 19:58:02,967 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 19:58:02,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 19:58:02,969 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 19:58:02,969 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 19:58:02,970 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 19:58:02,970 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 19:58:02,971 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 19:58:02,971 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 19:58:02,971 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 19:58:02,971 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 19:58:02,972 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 19:58:02,973 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 19:58:02,973 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 19:58:02,973 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 19:58:02,973 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 19:58:02,974 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 19:58:02,974 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 19:58:02,974 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 19:58:02,975 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 19:58:02,975 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 19:58:02,976 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 19:58:02,976 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 19:58:02,976 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 19:58:02,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 19:58:02,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 19:58:02,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 19:58:02,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 19:58:02,979 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 19:58:02,979 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 19:58:02,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 19:58:02,980 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 19:58:02,980 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 19:58:02,980 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 19:58:02,981 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 19:58:02,981 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:58:02,981 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 19:58:02,981 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 19:58:02,982 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 19:58:02,982 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 19:58:02,982 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 19:58:02,982 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 19:58:02,983 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 19:58:02,983 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 19:58:02,983 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_ba447687-8ef4-42dd-b3a7-f83c41bead50/bin/utaipan-Xvt2sAort0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba447687-8ef4-42dd-b3a7-f83c41bead50/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> da9f6c449f4da806b6a3bb0aaf2c3c9171ea9b71d075f7e8b1d9543f656f7b8b [2022-11-16 19:58:03,316 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 19:58:03,360 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 19:58:03,364 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 19:58:03,365 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 19:58:03,366 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 19:58:03,368 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba447687-8ef4-42dd-b3a7-f83c41bead50/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/goblint-regression/28-race_reach_85-list2_racefree.i [2022-11-16 19:58:03,440 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba447687-8ef4-42dd-b3a7-f83c41bead50/bin/utaipan-Xvt2sAort0/data/ffd5fb1da/3ff6f47740cc4a5aae8f7d15f7e133f7/FLAG1a93bd15c [2022-11-16 19:58:04,075 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 19:58:04,076 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba447687-8ef4-42dd-b3a7-f83c41bead50/sv-benchmarks/c/goblint-regression/28-race_reach_85-list2_racefree.i [2022-11-16 19:58:04,110 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba447687-8ef4-42dd-b3a7-f83c41bead50/bin/utaipan-Xvt2sAort0/data/ffd5fb1da/3ff6f47740cc4a5aae8f7d15f7e133f7/FLAG1a93bd15c [2022-11-16 19:58:04,446 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba447687-8ef4-42dd-b3a7-f83c41bead50/bin/utaipan-Xvt2sAort0/data/ffd5fb1da/3ff6f47740cc4a5aae8f7d15f7e133f7 [2022-11-16 19:58:04,449 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 19:58:04,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 19:58:04,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 19:58:04,456 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 19:58:04,460 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 19:58:04,461 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:58:04" (1/1) ... [2022-11-16 19:58:04,462 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9b7a644 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:04, skipping insertion in model container [2022-11-16 19:58:04,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 07:58:04" (1/1) ... [2022-11-16 19:58:04,471 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 19:58:04,528 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 19:58:05,137 WARN L229 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_ba447687-8ef4-42dd-b3a7-f83c41bead50/sv-benchmarks/c/goblint-regression/28-race_reach_85-list2_racefree.i[47038,47051] [2022-11-16 19:58:05,189 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:58:05,202 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 19:58:05,239 WARN L229 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_ba447687-8ef4-42dd-b3a7-f83c41bead50/sv-benchmarks/c/goblint-regression/28-race_reach_85-list2_racefree.i[47038,47051] [2022-11-16 19:58:05,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 19:58:05,324 INFO L208 MainTranslator]: Completed translation [2022-11-16 19:58:05,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:05 WrapperNode [2022-11-16 19:58:05,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 19:58:05,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 19:58:05,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 19:58:05,326 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 19:58:05,335 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:05" (1/1) ... [2022-11-16 19:58:05,361 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:05" (1/1) ... [2022-11-16 19:58:05,432 INFO L138 Inliner]: procedures = 279, calls = 86, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 359 [2022-11-16 19:58:05,432 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 19:58:05,433 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 19:58:05,434 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 19:58:05,434 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 19:58:05,446 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:05" (1/1) ... [2022-11-16 19:58:05,447 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:05" (1/1) ... [2022-11-16 19:58:05,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:05" (1/1) ... [2022-11-16 19:58:05,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:05" (1/1) ... [2022-11-16 19:58:05,490 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:05" (1/1) ... [2022-11-16 19:58:05,509 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:05" (1/1) ... [2022-11-16 19:58:05,513 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:05" (1/1) ... [2022-11-16 19:58:05,518 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:05" (1/1) ... [2022-11-16 19:58:05,523 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 19:58:05,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 19:58:05,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 19:58:05,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 19:58:05,528 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:05" (1/1) ... [2022-11-16 19:58:05,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 19:58:05,565 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba447687-8ef4-42dd-b3a7-f83c41bead50/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 19:58:05,579 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba447687-8ef4-42dd-b3a7-f83c41bead50/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 19:58:05,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba447687-8ef4-42dd-b3a7-f83c41bead50/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 19:58:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 19:58:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 19:58:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2022-11-16 19:58:05,617 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2022-11-16 19:58:05,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 19:58:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 19:58:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-11-16 19:58:05,618 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-11-16 19:58:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 19:58:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 19:58:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 19:58:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 19:58:05,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 19:58:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2022-11-16 19:58:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2022-11-16 19:58:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 19:58:05,619 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 19:58:05,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 19:58:05,621 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-16 19:58:05,802 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 19:58:05,804 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 19:58:06,520 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 19:58:06,532 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 19:58:06,532 INFO L300 CfgBuilder]: Removed 28 assume(true) statements. [2022-11-16 19:58:06,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:58:06 BoogieIcfgContainer [2022-11-16 19:58:06,535 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 19:58:06,537 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 19:58:06,538 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 19:58:06,541 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 19:58:06,542 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 07:58:04" (1/3) ... [2022-11-16 19:58:06,542 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@343b4962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:58:06, skipping insertion in model container [2022-11-16 19:58:06,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 07:58:05" (2/3) ... [2022-11-16 19:58:06,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@343b4962 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 07:58:06, skipping insertion in model container [2022-11-16 19:58:06,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 07:58:06" (3/3) ... [2022-11-16 19:58:06,545 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_85-list2_racefree.i [2022-11-16 19:58:06,563 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 19:58:06,599 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 19:58:06,599 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-11-16 19:58:06,599 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 19:58:06,800 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2022-11-16 19:58:06,843 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-16 19:58:06,860 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 363 places, 401 transitions, 844 flow [2022-11-16 19:58:06,863 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 363 places, 401 transitions, 844 flow [2022-11-16 19:58:06,865 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 363 places, 401 transitions, 844 flow [2022-11-16 19:58:07,406 INFO L130 PetriNetUnfolder]: 164/1253 cut-off events. [2022-11-16 19:58:07,407 INFO L131 PetriNetUnfolder]: For 36/59 co-relation queries the response was YES. [2022-11-16 19:58:07,438 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1314 conditions, 1253 events. 164/1253 cut-off events. For 36/59 co-relation queries the response was YES. Maximal size of possible extension queue 35. Compared 8101 event pairs, 0 based on Foata normal form. 0/1005 useless extension candidates. Maximal degree in co-relation 641. Up to 16 conditions per place. [2022-11-16 19:58:07,510 INFO L119 LiptonReduction]: Number of co-enabled transitions 68232 [2022-11-16 19:59:22,249 WARN L233 SmtUtils]: Spent 5.57s on a formula simplification. DAG size of input: 243 DAG size of output: 241 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 19:59:23,880 INFO L134 LiptonReduction]: Checked pairs total: 135074 [2022-11-16 19:59:23,880 INFO L136 LiptonReduction]: Total number of compositions: 357 [2022-11-16 19:59:23,890 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 103 places, 131 transitions, 304 flow [2022-11-16 19:59:29,714 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 107056 states, 106415 states have (on average 4.554414321289292) internal successors, (484658), 107055 states have internal predecessors, (484658), 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) [2022-11-16 19:59:29,755 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 19:59:29,761 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;@2623d330, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 19:59:29,761 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2022-11-16 19:59:29,924 INFO L276 IsEmpty]: Start isEmpty. Operand has 107056 states, 106415 states have (on average 4.554414321289292) internal successors, (484658), 107055 states have internal predecessors, (484658), 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) [2022-11-16 19:59:29,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 19:59:29,929 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:59:29,930 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-16 19:59:29,931 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2022-11-16 19:59:29,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:59:29,937 INFO L85 PathProgramCache]: Analyzing trace with hash 48651392, now seen corresponding path program 1 times [2022-11-16 19:59:29,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:59:29,951 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785458706] [2022-11-16 19:59:29,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:59:29,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:59:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 19:59:30,533 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 19:59:30,534 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 19:59:30,535 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785458706] [2022-11-16 19:59:30,536 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [785458706] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 19:59:30,536 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 19:59:30,536 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 19:59:30,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748439639] [2022-11-16 19:59:30,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 19:59:30,545 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 19:59:30,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 19:59:30,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 19:59:30,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:59:31,256 INFO L87 Difference]: Start difference. First operand has 107056 states, 106415 states have (on average 4.554414321289292) internal successors, (484658), 107055 states have internal predecessors, (484658), 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 3 states, 2 states have (on average 2.0) 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) [2022-11-16 19:59:34,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 19:59:34,075 INFO L93 Difference]: Finished difference Result 103242 states and 381555 transitions. [2022-11-16 19:59:34,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 19:59:34,079 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) 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 [2022-11-16 19:59:34,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 19:59:35,661 INFO L225 Difference]: With dead ends: 103242 [2022-11-16 19:59:35,661 INFO L226 Difference]: Without dead ends: 100809 [2022-11-16 19:59:35,662 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 19:59:35,666 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 8 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 180 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 19:59:35,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 34 Invalid, 180 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 19:59:35,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100809 states. [2022-11-16 19:59:41,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100809 to 100809. [2022-11-16 19:59:41,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100809 states, 100285 states have (on average 3.7125791494241414) internal successors, (372316), 100808 states have internal predecessors, (372316), 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) [2022-11-16 19:59:42,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100809 states to 100809 states and 372316 transitions. [2022-11-16 19:59:42,196 INFO L78 Accepts]: Start accepts. Automaton has 100809 states and 372316 transitions. Word has length 4 [2022-11-16 19:59:42,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 19:59:42,197 INFO L495 AbstractCegarLoop]: Abstraction has 100809 states and 372316 transitions. [2022-11-16 19:59:42,197 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) 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) [2022-11-16 19:59:42,197 INFO L276 IsEmpty]: Start isEmpty. Operand 100809 states and 372316 transitions. [2022-11-16 19:59:42,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 19:59:42,198 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 19:59:42,199 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-11-16 19:59:42,199 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 19:59:42,200 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2022-11-16 19:59:42,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 19:59:42,200 INFO L85 PathProgramCache]: Analyzing trace with hash -490606379, now seen corresponding path program 1 times [2022-11-16 19:59:42,201 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 19:59:42,201 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017963148] [2022-11-16 19:59:42,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 19:59:42,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 19:59:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 19:59:42,252 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 19:59:42,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 19:59:42,309 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-16 19:59:42,310 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 19:59:42,312 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 31 remaining) [2022-11-16 19:59:42,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 31 remaining) [2022-11-16 19:59:42,315 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 31 remaining) [2022-11-16 19:59:42,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 31 remaining) [2022-11-16 19:59:42,316 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 31 remaining) [2022-11-16 19:59:42,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 31 remaining) [2022-11-16 19:59:42,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 31 remaining) [2022-11-16 19:59:42,317 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 31 remaining) [2022-11-16 19:59:42,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 31 remaining) [2022-11-16 19:59:42,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 31 remaining) [2022-11-16 19:59:42,318 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 31 remaining) [2022-11-16 19:59:42,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 31 remaining) [2022-11-16 19:59:42,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 31 remaining) [2022-11-16 19:59:42,319 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 31 remaining) [2022-11-16 19:59:42,320 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 31 remaining) [2022-11-16 19:59:42,320 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 31 remaining) [2022-11-16 19:59:42,320 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 31 remaining) [2022-11-16 19:59:42,321 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 31 remaining) [2022-11-16 19:59:42,321 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 31 remaining) [2022-11-16 19:59:42,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 31 remaining) [2022-11-16 19:59:42,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 31 remaining) [2022-11-16 19:59:42,322 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 31 remaining) [2022-11-16 19:59:42,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 31 remaining) [2022-11-16 19:59:42,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 31 remaining) [2022-11-16 19:59:42,323 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 31 remaining) [2022-11-16 19:59:42,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 31 remaining) [2022-11-16 19:59:42,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 31 remaining) [2022-11-16 19:59:42,324 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 31 remaining) [2022-11-16 19:59:42,325 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 31 remaining) [2022-11-16 19:59:42,325 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 31 remaining) [2022-11-16 19:59:42,325 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 31 remaining) [2022-11-16 19:59:42,326 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 19:59:42,329 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-16 19:59:42,332 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-16 19:59:42,332 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-16 19:59:42,445 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2022-11-16 19:59:42,453 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-16 19:59:42,453 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 566 places, 637 transitions, 1364 flow [2022-11-16 19:59:42,453 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 566 places, 637 transitions, 1364 flow [2022-11-16 19:59:42,454 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 566 places, 637 transitions, 1364 flow [2022-11-16 19:59:46,668 INFO L130 PetriNetUnfolder]: 1130/6634 cut-off events. [2022-11-16 19:59:46,669 INFO L131 PetriNetUnfolder]: For 602/691 co-relation queries the response was YES. [2022-11-16 19:59:46,936 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7308 conditions, 6634 events. 1130/6634 cut-off events. For 602/691 co-relation queries the response was YES. Maximal size of possible extension queue 175. Compared 63971 event pairs, 22 based on Foata normal form. 0/5281 useless extension candidates. Maximal degree in co-relation 4064. Up to 192 conditions per place. [2022-11-16 19:59:48,167 INFO L119 LiptonReduction]: Number of co-enabled transitions 245956 [2022-11-16 20:00:40,155 WARN L233 SmtUtils]: Spent 5.93s on a formula simplification. DAG size of input: 251 DAG size of output: 249 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 20:00:41,907 INFO L134 LiptonReduction]: Checked pairs total: 528643 [2022-11-16 20:00:41,908 INFO L136 LiptonReduction]: Total number of compositions: 555 [2022-11-16 20:00:41,910 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 170 places, 228 transitions, 546 flow