./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ff8a88-4a0b-40fb-985e-5eb63b724806/bin/utaipan-Xvt2sAort0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ff8a88-4a0b-40fb-985e-5eb63b724806/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_e1ff8a88-4a0b-40fb-985e-5eb63b724806/bin/utaipan-Xvt2sAort0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ff8a88-4a0b-40fb-985e-5eb63b724806/bin/utaipan-Xvt2sAort0/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ff8a88-4a0b-40fb-985e-5eb63b724806/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_e1ff8a88-4a0b-40fb-985e-5eb63b724806/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 f70125267ee7251a74a40ef1ba0ea3ced14d0fe45e7a9ea5a666e1eecab0c01c --- 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 20:18:22,906 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 20:18:22,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 20:18:22,949 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 20:18:22,950 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 20:18:22,954 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 20:18:22,956 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 20:18:22,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 20:18:22,964 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 20:18:22,969 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 20:18:22,970 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 20:18:22,972 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 20:18:22,973 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 20:18:22,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 20:18:22,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 20:18:22,979 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 20:18:22,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 20:18:22,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 20:18:22,983 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 20:18:22,990 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 20:18:22,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 20:18:22,992 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 20:18:22,995 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 20:18:22,996 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 20:18:23,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 20:18:23,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 20:18:23,005 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 20:18:23,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 20:18:23,008 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 20:18:23,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 20:18:23,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 20:18:23,010 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 20:18:23,012 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 20:18:23,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 20:18:23,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 20:18:23,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 20:18:23,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 20:18:23,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 20:18:23,018 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 20:18:23,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 20:18:23,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 20:18:23,020 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ff8a88-4a0b-40fb-985e-5eb63b724806/bin/utaipan-Xvt2sAort0/config/svcomp-Overflow-32bit-Taipan_Default.epf [2022-11-16 20:18:23,063 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 20:18:23,063 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 20:18:23,064 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 20:18:23,064 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 20:18:23,065 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 20:18:23,065 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 20:18:23,066 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-16 20:18:23,066 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-16 20:18:23,066 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-16 20:18:23,066 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-16 20:18:23,067 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-16 20:18:23,068 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-16 20:18:23,068 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-16 20:18:23,068 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-16 20:18:23,068 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-16 20:18:23,068 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-16 20:18:23,069 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-16 20:18:23,069 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-16 20:18:23,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 20:18:23,070 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 20:18:23,070 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 20:18:23,070 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 20:18:23,070 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 20:18:23,072 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 20:18:23,072 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 20:18:23,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 20:18:23,073 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 20:18:23,073 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2022-11-16 20:18:23,073 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 20:18:23,073 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 20:18:23,073 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 20:18:23,074 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 20:18:23,074 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 20:18:23,074 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 20:18:23,075 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:18:23,075 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 20:18:23,075 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-16 20:18:23,075 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 20:18:23,075 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 20:18:23,076 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-16 20:18:23,076 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 20:18:23,076 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 20:18:23,076 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-16 20:18:23,076 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_e1ff8a88-4a0b-40fb-985e-5eb63b724806/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ff8a88-4a0b-40fb-985e-5eb63b724806/bin/utaipan-Xvt2sAort0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f70125267ee7251a74a40ef1ba0ea3ced14d0fe45e7a9ea5a666e1eecab0c01c [2022-11-16 20:18:23,357 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 20:18:23,384 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 20:18:23,386 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 20:18:23,387 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 20:18:23,388 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 20:18:23,390 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ff8a88-4a0b-40fb-985e-5eb63b724806/bin/utaipan-Xvt2sAort0/../../sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i [2022-11-16 20:18:23,465 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ff8a88-4a0b-40fb-985e-5eb63b724806/bin/utaipan-Xvt2sAort0/data/546024268/87728c7fa13e44a79c9908a7b1337dc0/FLAGce0325996 [2022-11-16 20:18:24,113 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 20:18:24,114 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ff8a88-4a0b-40fb-985e-5eb63b724806/sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i [2022-11-16 20:18:24,141 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ff8a88-4a0b-40fb-985e-5eb63b724806/bin/utaipan-Xvt2sAort0/data/546024268/87728c7fa13e44a79c9908a7b1337dc0/FLAGce0325996 [2022-11-16 20:18:24,391 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ff8a88-4a0b-40fb-985e-5eb63b724806/bin/utaipan-Xvt2sAort0/data/546024268/87728c7fa13e44a79c9908a7b1337dc0 [2022-11-16 20:18:24,394 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 20:18:24,395 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 20:18:24,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 20:18:24,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 20:18:24,401 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 20:18:24,402 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:18:24" (1/1) ... [2022-11-16 20:18:24,403 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c1e5383 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:24, skipping insertion in model container [2022-11-16 20:18:24,404 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 08:18:24" (1/1) ... [2022-11-16 20:18:24,411 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 20:18:24,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 20:18:25,153 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_e1ff8a88-4a0b-40fb-985e-5eb63b724806/sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i[47038,47051] [2022-11-16 20:18:25,221 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:18:25,235 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 20:18:25,280 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_e1ff8a88-4a0b-40fb-985e-5eb63b724806/sv-benchmarks/c/goblint-regression/28-race_reach_84-list2_racing2.i[47038,47051] [2022-11-16 20:18:25,309 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 20:18:25,357 INFO L208 MainTranslator]: Completed translation [2022-11-16 20:18:25,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:25 WrapperNode [2022-11-16 20:18:25,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 20:18:25,359 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 20:18:25,359 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 20:18:25,360 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 20:18:25,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:25" (1/1) ... [2022-11-16 20:18:25,400 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:25" (1/1) ... [2022-11-16 20:18:25,459 INFO L138 Inliner]: procedures = 279, calls = 88, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 398 [2022-11-16 20:18:25,460 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 20:18:25,461 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 20:18:25,461 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 20:18:25,461 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 20:18:25,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:25" (1/1) ... [2022-11-16 20:18:25,476 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:25" (1/1) ... [2022-11-16 20:18:25,487 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:25" (1/1) ... [2022-11-16 20:18:25,487 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:25" (1/1) ... [2022-11-16 20:18:25,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:25" (1/1) ... [2022-11-16 20:18:25,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:25" (1/1) ... [2022-11-16 20:18:25,510 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:25" (1/1) ... [2022-11-16 20:18:25,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:25" (1/1) ... [2022-11-16 20:18:25,517 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 20:18:25,518 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 20:18:25,518 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 20:18:25,518 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 20:18:25,519 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:25" (1/1) ... [2022-11-16 20:18:25,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 20:18:25,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ff8a88-4a0b-40fb-985e-5eb63b724806/bin/utaipan-Xvt2sAort0/z3 [2022-11-16 20:18:25,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ff8a88-4a0b-40fb-985e-5eb63b724806/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 20:18:25,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ff8a88-4a0b-40fb-985e-5eb63b724806/bin/utaipan-Xvt2sAort0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 20:18:25,614 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-16 20:18:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2022-11-16 20:18:25,615 INFO L130 BoogieDeclarations]: Found specification of procedure t1_fun [2022-11-16 20:18:25,615 INFO L138 BoogieDeclarations]: Found implementation of procedure t1_fun [2022-11-16 20:18:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-16 20:18:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-16 20:18:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure t2_fun [2022-11-16 20:18:25,616 INFO L138 BoogieDeclarations]: Found implementation of procedure t2_fun [2022-11-16 20:18:25,616 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-16 20:18:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-16 20:18:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-11-16 20:18:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 20:18:25,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-11-16 20:18:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure t3_fun [2022-11-16 20:18:25,618 INFO L138 BoogieDeclarations]: Found implementation of procedure t3_fun [2022-11-16 20:18:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 20:18:25,618 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 20:18:25,619 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 20:18:25,621 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 20:18:25,850 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 20:18:25,852 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 20:18:26,441 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 20:18:26,454 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 20:18:26,455 INFO L300 CfgBuilder]: Removed 29 assume(true) statements. [2022-11-16 20:18:26,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:18:26 BoogieIcfgContainer [2022-11-16 20:18:26,458 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 20:18:26,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 20:18:26,460 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 20:18:26,478 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 20:18:26,478 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 08:18:24" (1/3) ... [2022-11-16 20:18:26,479 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a8d76a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:18:26, skipping insertion in model container [2022-11-16 20:18:26,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 08:18:25" (2/3) ... [2022-11-16 20:18:26,480 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52a8d76a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 08:18:26, skipping insertion in model container [2022-11-16 20:18:26,480 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 08:18:26" (3/3) ... [2022-11-16 20:18:26,481 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_84-list2_racing2.i [2022-11-16 20:18:26,490 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-16 20:18:26,503 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 20:18:26,503 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2022-11-16 20:18:26,503 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-16 20:18:26,757 INFO L144 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2022-11-16 20:18:26,799 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-16 20:18:26,813 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 406 places, 447 transitions, 936 flow [2022-11-16 20:18:26,816 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 406 places, 447 transitions, 936 flow [2022-11-16 20:18:26,818 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 406 places, 447 transitions, 936 flow [2022-11-16 20:18:27,490 INFO L130 PetriNetUnfolder]: 188/1621 cut-off events. [2022-11-16 20:18:27,491 INFO L131 PetriNetUnfolder]: For 36/36 co-relation queries the response was YES. [2022-11-16 20:18:27,527 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1682 conditions, 1621 events. 188/1621 cut-off events. For 36/36 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 10735 event pairs, 0 based on Foata normal form. 0/1351 useless extension candidates. Maximal degree in co-relation 825. Up to 16 conditions per place. [2022-11-16 20:18:27,613 INFO L119 LiptonReduction]: Number of co-enabled transitions 88840 [2022-11-16 20:19:22,978 INFO L134 LiptonReduction]: Checked pairs total: 167681 [2022-11-16 20:19:22,979 INFO L136 LiptonReduction]: Total number of compositions: 399 [2022-11-16 20:19:22,986 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 110 places, 140 transitions, 322 flow [2022-11-16 20:19:29,474 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 150806 states, 150165 states have (on average 4.6742449971697795) internal successors, (701908), 150805 states have internal predecessors, (701908), 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 20:19:29,507 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 20:19:29,521 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;@424787a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 20:19:29,522 INFO L358 AbstractCegarLoop]: Starting to check reachability of 31 error locations. [2022-11-16 20:19:29,746 INFO L276 IsEmpty]: Start isEmpty. Operand has 150806 states, 150165 states have (on average 4.6742449971697795) internal successors, (701908), 150805 states have internal predecessors, (701908), 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 20:19:29,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2022-11-16 20:19:29,755 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:19:29,756 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2022-11-16 20:19:29,757 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 28 more)] === [2022-11-16 20:19:29,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:19:29,765 INFO L85 PathProgramCache]: Analyzing trace with hash 53260890, now seen corresponding path program 1 times [2022-11-16 20:19:29,776 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:19:29,776 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834160190] [2022-11-16 20:19:29,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:19:29,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:19:29,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 20:19:30,253 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 20:19:30,254 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-16 20:19:30,255 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834160190] [2022-11-16 20:19:30,255 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834160190] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 20:19:30,256 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 20:19:30,256 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2022-11-16 20:19:30,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311361823] [2022-11-16 20:19:30,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 20:19:30,262 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 20:19:30,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-16 20:19:30,297 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 20:19:30,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 20:19:30,607 INFO L87 Difference]: Start difference. First operand has 150806 states, 150165 states have (on average 4.6742449971697795) internal successors, (701908), 150805 states have internal predecessors, (701908), 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 20:19:34,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 20:19:34,025 INFO L93 Difference]: Finished difference Result 142617 states and 540305 transitions. [2022-11-16 20:19:34,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 20:19:34,027 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 20:19:34,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 20:19:35,366 INFO L225 Difference]: With dead ends: 142617 [2022-11-16 20:19:35,366 INFO L226 Difference]: Without dead ends: 140184 [2022-11-16 20:19:35,367 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 20:19:35,371 INFO L413 NwaCegarLoop]: 17 mSDtfsCounter, 8 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 196 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-16 20:19:35,372 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 34 Invalid, 196 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-16 20:19:36,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140184 states. [2022-11-16 20:19:41,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140184 to 140184. [2022-11-16 20:19:42,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140184 states, 139660 states have (on average 3.8025633681798654) internal successors, (531066), 140183 states have internal predecessors, (531066), 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 20:19:44,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140184 states to 140184 states and 531066 transitions. [2022-11-16 20:19:44,204 INFO L78 Accepts]: Start accepts. Automaton has 140184 states and 531066 transitions. Word has length 4 [2022-11-16 20:19:44,204 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 20:19:44,205 INFO L495 AbstractCegarLoop]: Abstraction has 140184 states and 531066 transitions. [2022-11-16 20:19:44,205 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 20:19:44,205 INFO L276 IsEmpty]: Start isEmpty. Operand 140184 states and 531066 transitions. [2022-11-16 20:19:44,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-11-16 20:19:44,206 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 20:19:44,206 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2022-11-16 20:19:44,207 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 20:19:44,207 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 20:19:44,208 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 20:19:44,208 INFO L85 PathProgramCache]: Analyzing trace with hash -355786780, now seen corresponding path program 1 times [2022-11-16 20:19:44,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-16 20:19:44,209 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1678059990] [2022-11-16 20:19:44,209 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 20:19:44,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 20:19:44,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 20:19:44,269 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 20:19:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 20:19:44,332 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2022-11-16 20:19:44,334 INFO L359 BasicCegarLoop]: Counterexample is feasible [2022-11-16 20:19:44,336 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (30 of 31 remaining) [2022-11-16 20:19:44,339 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (29 of 31 remaining) [2022-11-16 20:19:44,340 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (28 of 31 remaining) [2022-11-16 20:19:44,340 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (27 of 31 remaining) [2022-11-16 20:19:44,340 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (26 of 31 remaining) [2022-11-16 20:19:44,341 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (25 of 31 remaining) [2022-11-16 20:19:44,342 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (24 of 31 remaining) [2022-11-16 20:19:44,342 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (23 of 31 remaining) [2022-11-16 20:19:44,343 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (22 of 31 remaining) [2022-11-16 20:19:44,343 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 31 remaining) [2022-11-16 20:19:44,343 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 31 remaining) [2022-11-16 20:19:44,343 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 31 remaining) [2022-11-16 20:19:44,344 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 31 remaining) [2022-11-16 20:19:44,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 31 remaining) [2022-11-16 20:19:44,345 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 31 remaining) [2022-11-16 20:19:44,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 31 remaining) [2022-11-16 20:19:44,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 31 remaining) [2022-11-16 20:19:44,346 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 31 remaining) [2022-11-16 20:19:44,347 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 31 remaining) [2022-11-16 20:19:44,347 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 31 remaining) [2022-11-16 20:19:44,347 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 31 remaining) [2022-11-16 20:19:44,348 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 31 remaining) [2022-11-16 20:19:44,348 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 31 remaining) [2022-11-16 20:19:44,348 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 31 remaining) [2022-11-16 20:19:44,348 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 31 remaining) [2022-11-16 20:19:44,349 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 31 remaining) [2022-11-16 20:19:44,353 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t2_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 31 remaining) [2022-11-16 20:19:44,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 31 remaining) [2022-11-16 20:19:44,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 31 remaining) [2022-11-16 20:19:44,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 31 remaining) [2022-11-16 20:19:44,354 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t3_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 31 remaining) [2022-11-16 20:19:44,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 20:19:44,357 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1] [2022-11-16 20:19:44,359 WARN L233 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis [2022-11-16 20:19:44,359 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances. [2022-11-16 20:19:44,448 INFO L144 ThreadInstanceAdder]: Constructed 18 joinOtherThreadTransitions. [2022-11-16 20:19:44,456 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-16 20:19:44,456 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 609 places, 683 transitions, 1456 flow [2022-11-16 20:19:44,457 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 609 places, 683 transitions, 1456 flow [2022-11-16 20:19:44,457 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 609 places, 683 transitions, 1456 flow [2022-11-16 20:19:48,553 INFO L130 PetriNetUnfolder]: 1211/7876 cut-off events. [2022-11-16 20:19:48,553 INFO L131 PetriNetUnfolder]: For 602/602 co-relation queries the response was YES. [2022-11-16 20:19:48,824 INFO L83 FinitePrefix]: Finished finitePrefix Result has 8550 conditions, 7876 events. 1211/7876 cut-off events. For 602/602 co-relation queries the response was YES. Maximal size of possible extension queue 136. Compared 74370 event pairs, 22 based on Foata normal form. 0/6447 useless extension candidates. Maximal degree in co-relation 4892. Up to 192 conditions per place. [2022-11-16 20:19:49,494 INFO L119 LiptonReduction]: Number of co-enabled transitions 287172 [2022-11-16 20:21:25,032 WARN L233 SmtUtils]: Spent 5.80s on a formula simplification. DAG size of input: 259 DAG size of output: 257 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 20:21:32,954 WARN L233 SmtUtils]: Spent 5.87s on a formula simplification. DAG size of input: 259 DAG size of output: 257 (called from [L 278] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaUtils.sequentialComposition) [2022-11-16 20:21:34,955 INFO L134 LiptonReduction]: Checked pairs total: 590161 [2022-11-16 20:21:34,956 INFO L136 LiptonReduction]: Total number of compositions: 601 [2022-11-16 20:21:34,957 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 177 places, 237 transitions, 564 flow