./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/bigshot_s.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 7b2dab56 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s.i -s /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce6ab85d567b430987e90c0caeb17855dc670c31 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s.i -s /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ce6ab85d567b430987e90c0caeb17855dc670c31 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.2.0-7b2dab5 [2020-12-09 18:17:50,200 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 18:17:50,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 18:17:50,237 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 18:17:50,238 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 18:17:50,239 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 18:17:50,241 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 18:17:50,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 18:17:50,254 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 18:17:50,256 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 18:17:50,257 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 18:17:50,258 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 18:17:50,258 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 18:17:50,260 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 18:17:50,261 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 18:17:50,262 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 18:17:50,263 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 18:17:50,264 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 18:17:50,266 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 18:17:50,268 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 18:17:50,270 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 18:17:50,271 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 18:17:50,275 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 18:17:50,276 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 18:17:50,278 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 18:17:50,279 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 18:17:50,279 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 18:17:50,280 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 18:17:50,280 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 18:17:50,281 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 18:17:50,281 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 18:17:50,282 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 18:17:50,282 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 18:17:50,283 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 18:17:50,284 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 18:17:50,284 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 18:17:50,284 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 18:17:50,284 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 18:17:50,284 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 18:17:50,285 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 18:17:50,285 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 18:17:50,286 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-12-09 18:17:50,302 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 18:17:50,302 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 18:17:50,303 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 18:17:50,303 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 18:17:50,303 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 18:17:50,303 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 18:17:50,303 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-12-09 18:17:50,303 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 18:17:50,303 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 18:17:50,303 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-12-09 18:17:50,304 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-12-09 18:17:50,304 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 18:17:50,304 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-12-09 18:17:50,304 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-12-09 18:17:50,304 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-12-09 18:17:50,304 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 18:17:50,305 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 18:17:50,305 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-09 18:17:50,305 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 18:17:50,305 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 18:17:50,305 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 18:17:50,305 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 18:17:50,305 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 18:17:50,305 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 18:17:50,306 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 18:17:50,306 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 18:17:50,306 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 18:17:50,306 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 18:17:50,306 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 18:17:50,306 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 18:17:50,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 18:17:50,307 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 18:17:50,307 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 18:17:50,307 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 18:17:50,307 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-12-09 18:17:50,307 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-09 18:17:50,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 18:17:50,307 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 18:17:50,307 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 18:17:50,307 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce6ab85d567b430987e90c0caeb17855dc670c31 [2020-12-09 18:17:50,476 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 18:17:50,492 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 18:17:50,494 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 18:17:50,495 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 18:17:50,495 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 18:17:50,496 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/../../sv-benchmarks/c/pthread/bigshot_s.i [2020-12-09 18:17:50,535 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/data/ad45df46b/6bda39cdddee4b379db660c0815ce6f7/FLAGb0aafd7a6 [2020-12-09 18:17:50,948 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 18:17:50,948 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/sv-benchmarks/c/pthread/bigshot_s.i [2020-12-09 18:17:50,963 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/data/ad45df46b/6bda39cdddee4b379db660c0815ce6f7/FLAGb0aafd7a6 [2020-12-09 18:17:51,337 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/data/ad45df46b/6bda39cdddee4b379db660c0815ce6f7 [2020-12-09 18:17:51,344 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 18:17:51,347 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 18:17:51,352 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 18:17:51,352 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 18:17:51,361 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 18:17:51,363 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:17:51" (1/1) ... [2020-12-09 18:17:51,368 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b639722 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:51, skipping insertion in model container [2020-12-09 18:17:51,369 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:17:51" (1/1) ... [2020-12-09 18:17:51,388 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 18:17:51,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 18:17:51,700 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/sv-benchmarks/c/pthread/bigshot_s.i[55202,55215] [2020-12-09 18:17:51,708 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 18:17:51,714 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 18:17:51,743 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/sv-benchmarks/c/pthread/bigshot_s.i[55202,55215] [2020-12-09 18:17:51,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 18:17:51,899 INFO L208 MainTranslator]: Completed translation [2020-12-09 18:17:51,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:51 WrapperNode [2020-12-09 18:17:51,900 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 18:17:51,901 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 18:17:51,901 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 18:17:51,901 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 18:17:51,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:51" (1/1) ... [2020-12-09 18:17:51,919 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:51" (1/1) ... [2020-12-09 18:17:51,933 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 18:17:51,934 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 18:17:51,934 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 18:17:51,934 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 18:17:51,939 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:51" (1/1) ... [2020-12-09 18:17:51,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:51" (1/1) ... [2020-12-09 18:17:51,942 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:51" (1/1) ... [2020-12-09 18:17:51,942 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:51" (1/1) ... [2020-12-09 18:17:51,947 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:51" (1/1) ... [2020-12-09 18:17:51,950 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:51" (1/1) ... [2020-12-09 18:17:51,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:51" (1/1) ... [2020-12-09 18:17:51,954 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 18:17:51,954 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 18:17:51,954 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 18:17:51,954 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 18:17:51,955 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 18:17:52,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 18:17:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 18:17:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-09 18:17:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-09 18:17:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-12-09 18:17:52,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-12-09 18:17:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-12-09 18:17:52,006 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-12-09 18:17:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-09 18:17:52,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-09 18:17:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-09 18:17:52,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 18:17:52,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 18:17:52,008 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-09 18:17:52,227 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 18:17:52,227 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-09 18:17:52,228 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:17:52 BoogieIcfgContainer [2020-12-09 18:17:52,228 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 18:17:52,229 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 18:17:52,229 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 18:17:52,232 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 18:17:52,232 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:17:51" (1/3) ... [2020-12-09 18:17:52,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22733534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:17:52, skipping insertion in model container [2020-12-09 18:17:52,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:51" (2/3) ... [2020-12-09 18:17:52,233 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22733534 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:17:52, skipping insertion in model container [2020-12-09 18:17:52,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:17:52" (3/3) ... [2020-12-09 18:17:52,234 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2020-12-09 18:17:52,243 WARN L169 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-09 18:17:52,244 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 18:17:52,246 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 18:17:52,247 INFO L354 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-09 18:17:52,273 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,274 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,274 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,274 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,274 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,274 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,275 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,275 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,275 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,275 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,276 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,276 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,276 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,276 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,276 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,277 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,277 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,277 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,277 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,277 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,278 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,278 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,278 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,278 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,279 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,279 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,279 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,280 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,280 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,280 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,280 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,281 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,281 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,281 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,281 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,281 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,281 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,282 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,282 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,282 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,282 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,282 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,283 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,283 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,283 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,283 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,283 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,283 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,283 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,284 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,284 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,284 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,284 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,284 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,284 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,285 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,285 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,285 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,285 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,285 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,285 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,285 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,286 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,286 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,286 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,286 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,286 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,286 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,287 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,287 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,287 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,287 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,287 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,287 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,288 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,288 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,288 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,288 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,288 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,288 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,288 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,289 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,289 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,289 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,289 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,289 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,289 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,290 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,290 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,290 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,290 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,290 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,290 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,291 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,293 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,293 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,293 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,293 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,294 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,294 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,298 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,298 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,298 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,299 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,299 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,299 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,299 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,299 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,299 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,300 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,300 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,300 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,300 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,300 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:52,307 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-12-09 18:17:52,318 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-09 18:17:52,338 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 18:17:52,338 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 18:17:52,338 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 18:17:52,339 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 18:17:52,339 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 18:17:52,339 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 18:17:52,339 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 18:17:52,339 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 18:17:52,351 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-09 18:17:52,352 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 75 places, 75 transitions, 172 flow [2020-12-09 18:17:52,354 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 75 places, 75 transitions, 172 flow [2020-12-09 18:17:52,356 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 75 places, 75 transitions, 172 flow [2020-12-09 18:17:52,386 INFO L129 PetriNetUnfolder]: 5/71 cut-off events. [2020-12-09 18:17:52,386 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-12-09 18:17:52,388 INFO L84 FinitePrefix]: Finished finitePrefix Result has 80 conditions, 71 events. 5/71 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/65 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2020-12-09 18:17:52,389 INFO L116 LiptonReduction]: Number of co-enabled transitions 96 [2020-12-09 18:17:54,632 WARN L197 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2020-12-09 18:17:54,936 WARN L197 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 81 [2020-12-09 18:17:55,061 WARN L197 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-12-09 18:17:55,070 INFO L131 LiptonReduction]: Checked pairs total: 176 [2020-12-09 18:17:55,070 INFO L133 LiptonReduction]: Total number of compositions: 70 [2020-12-09 18:17:55,074 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-12-09 18:17:55,079 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-12-09 18:17:55,080 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-12-09 18:17:55,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 18:17:55,083 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:17:55,084 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:17:55,084 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:17:55,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:17:55,087 INFO L82 PathProgramCache]: Analyzing trace with hash 1680285740, now seen corresponding path program 1 times [2020-12-09 18:17:55,093 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 18:17:55,093 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125111721] [2020-12-09 18:17:55,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 18:17:55,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:17:55,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:17:55,255 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2125111721] [2020-12-09 18:17:55,255 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:17:55,255 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 18:17:55,256 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709606147] [2020-12-09 18:17:55,258 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 18:17:55,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-12-09 18:17:55,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 18:17:55,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 18:17:55,269 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-12-09 18:17:55,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:17:55,286 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-12-09 18:17:55,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 18:17:55,288 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-09 18:17:55,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:17:55,292 INFO L225 Difference]: With dead ends: 19 [2020-12-09 18:17:55,293 INFO L226 Difference]: Without dead ends: 18 [2020-12-09 18:17:55,293 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 18:17:55,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-12-09 18:17:55,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-12-09 18:17:55,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-12-09 18:17:55,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-12-09 18:17:55,313 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-12-09 18:17:55,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:17:55,313 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-12-09 18:17:55,313 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 18:17:55,313 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-12-09 18:17:55,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-09 18:17:55,314 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:17:55,314 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:17:55,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-09 18:17:55,314 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:17:55,315 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:17:55,315 INFO L82 PathProgramCache]: Analyzing trace with hash 477857307, now seen corresponding path program 1 times [2020-12-09 18:17:55,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-12-09 18:17:55,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356989657] [2020-12-09 18:17:55,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-09 18:17:55,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 18:17:55,340 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 18:17:55,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 18:17:55,357 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 18:17:55,375 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-12-09 18:17:55,375 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 18:17:55,376 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-09 18:17:55,388 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:17:55,389 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:17:55,389 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:17:55,389 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:17:55,389 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:17:55,389 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 18:17:55,389 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:17:55,390 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:17:55,390 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:17:55,390 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 18:17:55,390 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:17:55,390 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 18:17:55,390 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:17:55,390 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:17:55,391 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:17:55,391 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 18:17:55,391 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:17:55,391 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 18:17:55,391 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:17:55,391 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:17:55,391 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:17:55,392 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 18:17:55,392 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:17:55,392 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 18:17:55,392 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:17:55,392 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:17:55,392 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:17:55,392 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 18:17:55,392 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:17:55,393 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 18:17:55,393 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:17:55,393 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:17:55,393 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:17:55,393 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 18:17:55,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:17:55 BasicIcfg [2020-12-09 18:17:55,406 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 18:17:55,407 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 18:17:55,407 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 18:17:55,407 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 18:17:55,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:17:52" (3/4) ... [2020-12-09 18:17:55,409 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 18:17:55,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 18:17:55,410 INFO L168 Benchmark]: Toolchain (without parser) took 4063.02 ms. Allocated memory is still 127.9 MB. Free memory was 95.6 MB in the beginning and 40.5 MB in the end (delta: 55.1 MB). Peak memory consumption was 57.7 MB. Max. memory is 16.1 GB. [2020-12-09 18:17:55,411 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 83.9 MB. Free memory was 53.7 MB in the beginning and 53.6 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 18:17:55,411 INFO L168 Benchmark]: CACSL2BoogieTranslator took 548.06 ms. Allocated memory is still 127.9 MB. Free memory was 95.3 MB in the beginning and 95.0 MB in the end (delta: 299.3 kB). Peak memory consumption was 65.1 MB. Max. memory is 16.1 GB. [2020-12-09 18:17:55,412 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.90 ms. Allocated memory is still 127.9 MB. Free memory was 95.0 MB in the beginning and 92.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-12-09 18:17:55,412 INFO L168 Benchmark]: Boogie Preprocessor took 19.87 ms. Allocated memory is still 127.9 MB. Free memory was 92.3 MB in the beginning and 91.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 18:17:55,412 INFO L168 Benchmark]: RCFGBuilder took 273.90 ms. Allocated memory is still 127.9 MB. Free memory was 91.1 MB in the beginning and 67.7 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-12-09 18:17:55,413 INFO L168 Benchmark]: TraceAbstraction took 3177.09 ms. Allocated memory is still 127.9 MB. Free memory was 67.1 MB in the beginning and 40.5 MB in the end (delta: 26.6 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. [2020-12-09 18:17:55,413 INFO L168 Benchmark]: Witness Printer took 2.79 ms. Allocated memory is still 127.9 MB. Free memory is still 40.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 18:17:55,415 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 83.9 MB. Free memory was 53.7 MB in the beginning and 53.6 MB in the end (delta: 71.5 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 548.06 ms. Allocated memory is still 127.9 MB. Free memory was 95.3 MB in the beginning and 95.0 MB in the end (delta: 299.3 kB). Peak memory consumption was 65.1 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 32.90 ms. Allocated memory is still 127.9 MB. Free memory was 95.0 MB in the beginning and 92.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 19.87 ms. Allocated memory is still 127.9 MB. Free memory was 92.3 MB in the beginning and 91.1 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 273.90 ms. Allocated memory is still 127.9 MB. Free memory was 91.1 MB in the beginning and 67.7 MB in the end (delta: 23.4 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 3177.09 ms. Allocated memory is still 127.9 MB. Free memory was 67.1 MB in the beginning and 40.5 MB in the end (delta: 26.6 MB). Peak memory consumption was 28.3 MB. Max. memory is 16.1 GB. * Witness Printer took 2.79 ms. Allocated memory is still 127.9 MB. Free memory is still 40.5 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 73 VarBasedMoverChecksPositive, 5 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 5 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 4 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 2.7s, 75 PlacesBefore, 24 PlacesAfterwards, 75 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 5 FixpointIterations, 32 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 7 ConcurrentYvCompositions, 3 ChoiceCompositions, 70 TotalNumberOfCompositions, 176 MoverChecksTotal - UnprovableResult [Line: 1107]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 1116. Possible FailurePath: [L1108] 0 char *v; [L1121] 0 pthread_t t1, t2; [L1122] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1123] 0 \read(t1) VAL [arg={0:0}, v={0:0}] [L1111] 1 v = malloc(sizeof(char) * 8) [L1112] 1 return 0; [L1123] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1124] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1116] COND TRUE 2 \read(*v) [L1116] CALL 2 strcpy(v, "Bigshot") [L1117] 2 return 0; [L1125] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1125] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] [L1126] 0 !v || v[0] == 'B' [L1126] EXPR 0 v[0] [L1126] 0 !v || v[0] == 'B' [L1107] COND TRUE 0 !expression [L1107] 0 reach_error() VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={-1:0}, v={-1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 69 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.0s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 2.7s, HoareTripleCheckerStatistics: 14 SDtfs, 9 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.0-7b2dab5 [2020-12-09 18:17:57,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-09 18:17:57,091 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-09 18:17:57,128 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-09 18:17:57,128 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-09 18:17:57,130 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-09 18:17:57,131 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-09 18:17:57,134 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-09 18:17:57,136 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-09 18:17:57,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-09 18:17:57,138 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-09 18:17:57,139 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-09 18:17:57,140 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-09 18:17:57,141 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-09 18:17:57,142 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-09 18:17:57,143 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-09 18:17:57,144 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-09 18:17:57,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-09 18:17:57,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-09 18:17:57,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-09 18:17:57,152 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-09 18:17:57,153 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-09 18:17:57,155 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-09 18:17:57,156 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-09 18:17:57,158 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-09 18:17:57,159 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-09 18:17:57,159 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-09 18:17:57,160 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-09 18:17:57,160 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-09 18:17:57,161 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-09 18:17:57,161 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-09 18:17:57,162 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-09 18:17:57,162 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-09 18:17:57,163 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-09 18:17:57,164 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-09 18:17:57,164 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-09 18:17:57,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-09 18:17:57,165 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-09 18:17:57,165 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-09 18:17:57,166 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-09 18:17:57,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-09 18:17:57,167 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-12-09 18:17:57,189 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-09 18:17:57,189 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-09 18:17:57,190 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-12-09 18:17:57,190 INFO L138 SettingsManager]: * User list type=DISABLED [2020-12-09 18:17:57,190 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-12-09 18:17:57,190 INFO L138 SettingsManager]: * Explicit value domain=true [2020-12-09 18:17:57,191 INFO L138 SettingsManager]: * Octagon Domain=false [2020-12-09 18:17:57,191 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-12-09 18:17:57,191 INFO L138 SettingsManager]: * Interval Domain=false [2020-12-09 18:17:57,192 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-09 18:17:57,192 INFO L138 SettingsManager]: * sizeof long=4 [2020-12-09 18:17:57,192 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-12-09 18:17:57,192 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-09 18:17:57,192 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-09 18:17:57,192 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-09 18:17:57,193 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-09 18:17:57,193 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-12-09 18:17:57,193 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-12-09 18:17:57,193 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-12-09 18:17:57,193 INFO L138 SettingsManager]: * sizeof long double=12 [2020-12-09 18:17:57,193 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-09 18:17:57,194 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-09 18:17:57,194 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-09 18:17:57,194 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-09 18:17:57,194 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-09 18:17:57,194 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-09 18:17:57,195 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 18:17:57,195 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-09 18:17:57,195 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-09 18:17:57,195 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-09 18:17:57,195 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-12-09 18:17:57,195 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2020-12-09 18:17:57,196 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-09 18:17:57,196 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-09 18:17:57,196 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-12-09 18:17:57,196 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce6ab85d567b430987e90c0caeb17855dc670c31 [2020-12-09 18:17:57,448 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-09 18:17:57,463 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-09 18:17:57,465 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-09 18:17:57,466 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-09 18:17:57,466 INFO L275 PluginConnector]: CDTParser initialized [2020-12-09 18:17:57,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/../../sv-benchmarks/c/pthread/bigshot_s.i [2020-12-09 18:17:57,507 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/data/f13c5301d/81a777a4a573492994156e39e69e1349/FLAG744eaf610 [2020-12-09 18:17:57,945 INFO L306 CDTParser]: Found 1 translation units. [2020-12-09 18:17:57,946 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/sv-benchmarks/c/pthread/bigshot_s.i [2020-12-09 18:17:57,959 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/data/f13c5301d/81a777a4a573492994156e39e69e1349/FLAG744eaf610 [2020-12-09 18:17:57,971 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/data/f13c5301d/81a777a4a573492994156e39e69e1349 [2020-12-09 18:17:57,974 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-09 18:17:57,975 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-09 18:17:57,976 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-09 18:17:57,976 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-09 18:17:57,979 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-09 18:17:57,980 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:17:57" (1/1) ... [2020-12-09 18:17:57,981 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55c86348 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:57, skipping insertion in model container [2020-12-09 18:17:57,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:17:57" (1/1) ... [2020-12-09 18:17:57,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-09 18:17:58,027 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-09 18:17:58,316 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/sv-benchmarks/c/pthread/bigshot_s.i[55202,55215] [2020-12-09 18:17:58,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 18:17:58,334 INFO L203 MainTranslator]: Completed pre-run [2020-12-09 18:17:58,363 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/sv-benchmarks/c/pthread/bigshot_s.i[55202,55215] [2020-12-09 18:17:58,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-09 18:17:58,486 INFO L208 MainTranslator]: Completed translation [2020-12-09 18:17:58,487 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:58 WrapperNode [2020-12-09 18:17:58,487 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-09 18:17:58,488 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-09 18:17:58,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-09 18:17:58,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-09 18:17:58,493 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:58" (1/1) ... [2020-12-09 18:17:58,509 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:58" (1/1) ... [2020-12-09 18:17:58,529 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-09 18:17:58,530 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-09 18:17:58,530 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-09 18:17:58,530 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-09 18:17:58,538 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:58" (1/1) ... [2020-12-09 18:17:58,538 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:58" (1/1) ... [2020-12-09 18:17:58,542 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:58" (1/1) ... [2020-12-09 18:17:58,543 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:58" (1/1) ... [2020-12-09 18:17:58,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:58" (1/1) ... [2020-12-09 18:17:58,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:58" (1/1) ... [2020-12-09 18:17:58,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:58" (1/1) ... [2020-12-09 18:17:58,563 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-09 18:17:58,564 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-09 18:17:58,564 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-09 18:17:58,564 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-09 18:17:58,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-09 18:17:58,622 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-12-09 18:17:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-12-09 18:17:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-09 18:17:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-09 18:17:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-12-09 18:17:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-12-09 18:17:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-12-09 18:17:58,623 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-12-09 18:17:58,623 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-12-09 18:17:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-12-09 18:17:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2020-12-09 18:17:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-09 18:17:58,624 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-09 18:17:58,624 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-09 18:17:58,626 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-12-09 18:17:58,864 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-09 18:17:58,865 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2020-12-09 18:17:58,866 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:17:58 BoogieIcfgContainer [2020-12-09 18:17:58,866 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-09 18:17:58,867 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-09 18:17:58,867 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-09 18:17:58,869 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-09 18:17:58,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:17:57" (1/3) ... [2020-12-09 18:17:58,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f42fd4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:17:58, skipping insertion in model container [2020-12-09 18:17:58,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:17:58" (2/3) ... [2020-12-09 18:17:58,870 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f42fd4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:17:58, skipping insertion in model container [2020-12-09 18:17:58,870 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:17:58" (3/3) ... [2020-12-09 18:17:58,871 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2020-12-09 18:17:58,881 WARN L169 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-12-09 18:17:58,881 INFO L180 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-09 18:17:58,884 INFO L192 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-12-09 18:17:58,884 INFO L354 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-12-09 18:17:58,906 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,907 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,907 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,907 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,907 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,907 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,907 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,907 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,908 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,908 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,908 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,908 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,909 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,909 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,909 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,909 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,909 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,909 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,910 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,910 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,910 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,910 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,910 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,911 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,911 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,911 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,911 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,911 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,911 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,912 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,912 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,912 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,912 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,912 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,912 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,912 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,913 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,913 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,913 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,913 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,913 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,913 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,913 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,913 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,914 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,914 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,914 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,914 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,914 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,914 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,914 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,914 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,914 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,915 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,915 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,915 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,915 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,915 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,915 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,915 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,915 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,916 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,917 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,918 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,918 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,918 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,918 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,918 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,918 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,918 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,918 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,919 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,919 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,919 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,919 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,919 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,919 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,919 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,919 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,921 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,921 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,921 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,922 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,922 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,922 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,927 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,927 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,927 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,927 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,927 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,928 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,928 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,928 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,928 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,928 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,929 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,929 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,929 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,929 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-12-09 18:17:58,938 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-12-09 18:17:58,948 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-09 18:17:58,967 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-09 18:17:58,967 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-09 18:17:58,967 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-09 18:17:58,967 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-09 18:17:58,967 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-09 18:17:58,967 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-09 18:17:58,967 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-09 18:17:58,968 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-09 18:17:58,976 INFO L120 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-12-09 18:17:58,977 INFO L135 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 76 places, 76 transitions, 174 flow [2020-12-09 18:17:58,979 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 76 places, 76 transitions, 174 flow [2020-12-09 18:17:58,981 INFO L74 FinitePrefix]: Start finitePrefix. Operand has 76 places, 76 transitions, 174 flow [2020-12-09 18:17:59,011 INFO L129 PetriNetUnfolder]: 5/72 cut-off events. [2020-12-09 18:17:59,011 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-12-09 18:17:59,013 INFO L84 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 72 events. 5/72 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 54 event pairs, 0 based on Foata normal form. 0/66 useless extension candidates. Maximal degree in co-relation 51. Up to 2 conditions per place. [2020-12-09 18:17:59,014 INFO L116 LiptonReduction]: Number of co-enabled transitions 96 [2020-12-09 18:18:02,609 WARN L197 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-12-09 18:18:02,785 WARN L197 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-12-09 18:18:03,047 WARN L197 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 83 [2020-12-09 18:18:03,251 WARN L197 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2020-12-09 18:18:03,493 WARN L197 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 46 [2020-12-09 18:18:04,246 WARN L197 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-12-09 18:18:04,559 WARN L197 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-12-09 18:18:04,950 WARN L197 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 87 [2020-12-09 18:18:05,322 WARN L197 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-12-09 18:18:05,332 INFO L131 LiptonReduction]: Checked pairs total: 206 [2020-12-09 18:18:05,332 INFO L133 LiptonReduction]: Total number of compositions: 71 [2020-12-09 18:18:05,336 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-12-09 18:18:05,340 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-12-09 18:18:05,341 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-12-09 18:18:05,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-12-09 18:18:05,344 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:18:05,345 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:18:05,345 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:18:05,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:18:05,348 INFO L82 PathProgramCache]: Analyzing trace with hash 1466678352, now seen corresponding path program 1 times [2020-12-09 18:18:05,356 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:18:05,356 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1657878778] [2020-12-09 18:18:05,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2020-12-09 18:18:05,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-09 18:18:05,439 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 3 conjunts are in the unsatisfiable core [2020-12-09 18:18:05,442 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-09 18:18:05,465 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-09 18:18:05,465 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-12-09 18:18:05,466 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1657878778] [2020-12-09 18:18:05,466 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-09 18:18:05,466 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-09 18:18:05,466 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951548496] [2020-12-09 18:18:05,469 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-09 18:18:05,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-12-09 18:18:05,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-09 18:18:05,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 18:18:05,479 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-12-09 18:18:05,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-09 18:18:05,504 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-12-09 18:18:05,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-09 18:18:05,505 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-12-09 18:18:05,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-09 18:18:05,510 INFO L225 Difference]: With dead ends: 19 [2020-12-09 18:18:05,510 INFO L226 Difference]: Without dead ends: 18 [2020-12-09 18:18:05,511 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-09 18:18:05,521 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-12-09 18:18:05,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-12-09 18:18:05,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-12-09 18:18:05,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-12-09 18:18:05,529 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-12-09 18:18:05,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-09 18:18:05,530 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-12-09 18:18:05,530 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-09 18:18:05,530 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-12-09 18:18:05,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-09 18:18:05,530 INFO L414 BasicCegarLoop]: Found error trace [2020-12-09 18:18:05,530 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-09 18:18:05,731 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-12-09 18:18:05,732 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-09 18:18:05,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-09 18:18:05,734 INFO L82 PathProgramCache]: Analyzing trace with hash -1683603921, now seen corresponding path program 1 times [2020-12-09 18:18:05,736 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-12-09 18:18:05,737 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1828191385] [2020-12-09 18:18:05,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_389a8484-38b2-446d-8b0e-5c07300dcf09/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2020-12-09 18:18:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 18:18:05,873 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 18:18:05,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-09 18:18:05,916 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-09 18:18:05,956 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-12-09 18:18:05,956 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-09 18:18:06,157 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-12-09 18:18:06,198 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:18:06,199 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:18:06,199 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:18:06,200 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:18:06,200 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:18:06,201 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:18:06,201 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:18:06,202 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:18:06,202 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 18:18:06,202 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 18:18:06,202 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:18:06,203 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:18:06,203 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:18:06,204 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:18:06,204 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 18:18:06,204 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 18:18:06,204 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:18:06,205 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:18:06,205 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:18:06,205 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:18:06,205 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 18:18:06,206 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 18:18:06,206 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:18:06,206 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:18:06,206 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:18:06,207 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:18:06,207 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 18:18:06,207 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 18:18:06,207 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:18:06,207 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-12-09 18:18:06,208 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:18:06,208 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-12-09 18:18:06,208 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 18:18:06,208 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-12-09 18:18:06,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:18:06 BasicIcfg [2020-12-09 18:18:06,224 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-09 18:18:06,224 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-09 18:18:06,224 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-09 18:18:06,225 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-09 18:18:06,225 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:17:58" (3/4) ... [2020-12-09 18:18:06,227 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-12-09 18:18:06,227 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-09 18:18:06,228 INFO L168 Benchmark]: Toolchain (without parser) took 8252.42 ms. Allocated memory was 67.1 MB in the beginning and 100.7 MB in the end (delta: 33.6 MB). Free memory was 46.4 MB in the beginning and 33.5 MB in the end (delta: 13.0 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2020-12-09 18:18:06,228 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 67.1 MB. Free memory was 50.1 MB in the beginning and 50.0 MB in the end (delta: 84.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-12-09 18:18:06,229 INFO L168 Benchmark]: CACSL2BoogieTranslator took 510.85 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 46.3 MB in the beginning and 48.3 MB in the end (delta: -2.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. [2020-12-09 18:18:06,229 INFO L168 Benchmark]: Boogie Procedure Inliner took 41.93 ms. Allocated memory is still 83.9 MB. Free memory was 48.3 MB in the beginning and 46.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 18:18:06,230 INFO L168 Benchmark]: Boogie Preprocessor took 32.82 ms. Allocated memory is still 83.9 MB. Free memory was 46.0 MB in the beginning and 44.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 18:18:06,230 INFO L168 Benchmark]: RCFGBuilder took 302.30 ms. Allocated memory is still 83.9 MB. Free memory was 44.2 MB in the beginning and 45.9 MB in the end (delta: -1.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. [2020-12-09 18:18:06,231 INFO L168 Benchmark]: TraceAbstraction took 7357.04 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 45.9 MB in the beginning and 34.6 MB in the end (delta: 11.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. [2020-12-09 18:18:06,231 INFO L168 Benchmark]: Witness Printer took 2.60 ms. Allocated memory is still 100.7 MB. Free memory was 34.6 MB in the beginning and 33.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-12-09 18:18:06,234 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 67.1 MB. Free memory was 50.1 MB in the beginning and 50.0 MB in the end (delta: 84.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 510.85 ms. Allocated memory was 67.1 MB in the beginning and 83.9 MB in the end (delta: 16.8 MB). Free memory was 46.3 MB in the beginning and 48.3 MB in the end (delta: -2.1 MB). Peak memory consumption was 26.2 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 41.93 ms. Allocated memory is still 83.9 MB. Free memory was 48.3 MB in the beginning and 46.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 32.82 ms. Allocated memory is still 83.9 MB. Free memory was 46.0 MB in the beginning and 44.2 MB in the end (delta: 1.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 302.30 ms. Allocated memory is still 83.9 MB. Free memory was 44.2 MB in the beginning and 45.9 MB in the end (delta: -1.8 MB). Peak memory consumption was 9.3 MB. Max. memory is 16.1 GB. * TraceAbstraction took 7357.04 ms. Allocated memory was 83.9 MB in the beginning and 100.7 MB in the end (delta: 16.8 MB). Free memory was 45.9 MB in the beginning and 34.6 MB in the end (delta: 11.4 MB). Peak memory consumption was 27.4 MB. Max. memory is 16.1 GB. * Witness Printer took 2.60 ms. Allocated memory is still 100.7 MB. Free memory was 34.6 MB in the beginning and 33.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 78 VarBasedMoverChecksPositive, 6 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 6 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 6 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 6.3s, 76 PlacesBefore, 24 PlacesAfterwards, 76 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 5 FixpointIterations, 34 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 7 ConcurrentYvCompositions, 3 ChoiceCompositions, 71 TotalNumberOfCompositions, 206 MoverChecksTotal - UnprovableResult [Line: 1107]: Unable to prove that call to reach_error is unreachable Unable to prove that call to reach_error is unreachable Reason: overapproximation of large string literal at line 1116. Possible FailurePath: [L1108] 0 char *v; [L1121] 0 pthread_t t1, t2; [L1122] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1111] 1 v = malloc(sizeof(char) * 8) [L1112] 1 return 0; [L1123] 0 \read(t1) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1123] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1124] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1116] COND TRUE 2 \read(*v) [L1116] CALL 2 strcpy(v, "Bigshot") [L1117] 2 return 0; [L1125] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1125] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] [L1126] 0 !v || v[0] == 'B' [L1126] EXPR 0 v[0] [L1126] 0 !v || v[0] == 'B' [L1107] COND TRUE 0 !expression [L1107] 0 reach_error() VAL [\result={0:0}, arg={0:0}, arg={0:0}, malloc(sizeof(char) * 8)={1:0}, v={1:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 70 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 7.1s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 6.3s, HoareTripleCheckerStatistics: 14 SDtfs, 8 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 360 SizeOfPredicates, 1 NumberOfNonLiveVariables, 66 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...