./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 a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/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_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s.i -s /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/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-a4ecdab [2020-11-22 13:04:29,561 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:04:29,564 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:04:29,634 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:04:29,635 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:04:29,636 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:04:29,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:04:29,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:04:29,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:04:29,643 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:04:29,644 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:04:29,646 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:04:29,646 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:04:29,647 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:04:29,649 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:04:29,650 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:04:29,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:04:29,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:04:29,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:04:29,660 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:04:29,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:04:29,665 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:04:29,667 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:04:29,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:04:29,677 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:04:29,677 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:04:29,677 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:04:29,678 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:04:29,679 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:04:29,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:04:29,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:04:29,681 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:04:29,682 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:04:29,683 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:04:29,684 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:04:29,684 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:04:29,685 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:04:29,685 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:04:29,686 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:04:29,687 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:04:29,688 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:04:29,696 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2020-11-22 13:04:29,735 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:04:29,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:04:29,736 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:04:29,736 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:04:29,737 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:04:29,737 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:04:29,737 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2020-11-22 13:04:29,737 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:04:29,738 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:04:29,738 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2020-11-22 13:04:29,738 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2020-11-22 13:04:29,739 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:04:29,739 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2020-11-22 13:04:29,739 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2020-11-22 13:04:29,739 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2020-11-22 13:04:29,742 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:04:29,743 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:04:29,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-22 13:04:29,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:04:29,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:04:29,744 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:04:29,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:04:29,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:04:29,745 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:04:29,745 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:04:29,745 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:04:29,745 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:04:29,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:04:29,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:04:29,746 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:04:29,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:04:29,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:04:29,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:04:29,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:04:29,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:04:29,748 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2020-11-22 13:04:29,749 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-11-22 13:04:29,749 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:04:29,749 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:04:29,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:04:29,750 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_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce6ab85d567b430987e90c0caeb17855dc670c31 [2020-11-22 13:04:30,045 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:04:30,074 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:04:30,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:04:30,080 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:04:30,080 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:04:30,081 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan/../../sv-benchmarks/c/pthread/bigshot_s.i [2020-11-22 13:04:30,162 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan/data/bfe4668dc/af18e1f3376644388a91f012c2fa6157/FLAGc451dafe4 [2020-11-22 13:04:30,712 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:04:30,712 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/sv-benchmarks/c/pthread/bigshot_s.i [2020-11-22 13:04:30,743 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan/data/bfe4668dc/af18e1f3376644388a91f012c2fa6157/FLAGc451dafe4 [2020-11-22 13:04:30,976 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan/data/bfe4668dc/af18e1f3376644388a91f012c2fa6157 [2020-11-22 13:04:30,979 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:04:30,980 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:04:30,982 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:30,982 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:04:30,985 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:04:30,986 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:30" (1/1) ... [2020-11-22 13:04:30,988 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6960e1eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:30, skipping insertion in model container [2020-11-22 13:04:30,989 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:30" (1/1) ... [2020-11-22 13:04:30,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:04:31,060 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:04:31,506 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:04:31,515 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:04:31,552 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:04:31,747 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:04:31,749 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:31 WrapperNode [2020-11-22 13:04:31,749 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:31,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:04:31,751 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:04:31,751 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:04:31,758 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:31" (1/1) ... [2020-11-22 13:04:31,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:31" (1/1) ... [2020-11-22 13:04:31,820 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:04:31,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:04:31,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:04:31,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:04:31,828 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:31" (1/1) ... [2020-11-22 13:04:31,828 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:31" (1/1) ... [2020-11-22 13:04:31,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:31" (1/1) ... [2020-11-22 13:04:31,832 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:31" (1/1) ... [2020-11-22 13:04:31,839 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:31" (1/1) ... [2020-11-22 13:04:31,843 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:31" (1/1) ... [2020-11-22 13:04:31,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:31" (1/1) ... [2020-11-22 13:04:31,848 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:04:31,849 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:04:31,850 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:04:31,850 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:04:31,851 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/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 [2020-11-22 13:04:31,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:04:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 13:04:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-11-22 13:04:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-11-22 13:04:31,920 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-11-22 13:04:31,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-11-22 13:04:31,921 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-11-22 13:04:31,921 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-11-22 13:04:31,921 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-11-22 13:04:31,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-22 13:04:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-22 13:04:31,922 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:04:31,922 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:04:31,924 WARN L208 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-22 13:04:32,362 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:04:32,362 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-22 13:04:32,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:04:32 BoogieIcfgContainer [2020-11-22 13:04:32,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:04:32,366 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:04:32,366 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:04:32,369 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:04:32,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:04:30" (1/3) ... [2020-11-22 13:04:32,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6d6e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:04:32, skipping insertion in model container [2020-11-22 13:04:32,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:31" (2/3) ... [2020-11-22 13:04:32,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c6d6e60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:04:32, skipping insertion in model container [2020-11-22 13:04:32,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:04:32" (3/3) ... [2020-11-22 13:04:32,372 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2020-11-22 13:04:32,383 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-22 13:04:32,383 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:04:32,387 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 13:04:32,389 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-22 13:04:32,419 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,419 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,419 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,419 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,420 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,421 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,422 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,422 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,423 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,423 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,424 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,424 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,426 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,426 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,427 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,427 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,427 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,428 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,428 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,428 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,429 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,430 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,430 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,431 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,431 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,432 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,432 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,432 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,432 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,433 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,433 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,433 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,434 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,443 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,443 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,443 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,443 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,444 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,444 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,444 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,445 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,445 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,445 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,445 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,445 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,446 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,446 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,449 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,449 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,449 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,450 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,450 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,450 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,461 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,461 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,461 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,461 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,462 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,462 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,462 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,463 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,463 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,463 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,464 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,464 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,468 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,468 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:32,481 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-22 13:04:32,492 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:04:32,511 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:04:32,511 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:04:32,511 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:04:32,512 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:04:32,512 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:04:32,512 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:04:32,512 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:04:32,512 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:04:32,523 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-22 13:04:32,525 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 78 places, 79 transitions, 180 flow [2020-11-22 13:04:32,528 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 78 places, 79 transitions, 180 flow [2020-11-22 13:04:32,529 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 78 places, 79 transitions, 180 flow [2020-11-22 13:04:32,577 INFO L129 PetriNetUnfolder]: 6/75 cut-off events. [2020-11-22 13:04:32,577 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-11-22 13:04:32,580 INFO L80 FinitePrefix]: Finished finitePrefix Result has 84 conditions, 75 events. 6/75 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 62 event pairs, 0 based on Foata normal form. 0/68 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-11-22 13:04:32,581 INFO L116 LiptonReduction]: Number of co-enabled transitions 96 [2020-11-22 13:04:32,747 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2020-11-22 13:04:34,637 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2020-11-22 13:04:35,419 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 81 [2020-11-22 13:04:35,542 WARN L193 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2020-11-22 13:04:35,736 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 45 [2020-11-22 13:04:35,816 INFO L131 LiptonReduction]: Checked pairs total: 235 [2020-11-22 13:04:35,816 INFO L133 LiptonReduction]: Total number of compositions: 80 [2020-11-22 13:04:35,823 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-11-22 13:04:35,830 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-11-22 13:04:35,832 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-11-22 13:04:35,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-22 13:04:35,844 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:35,844 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:35,844 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:35,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:35,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1572917534, now seen corresponding path program 1 times [2020-11-22 13:04:35,857 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:04:35,858 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [523450211] [2020-11-22 13:04:35,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:04:35,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:36,118 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:36,119 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [523450211] [2020-11-22 13:04:36,119 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:36,120 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-11-22 13:04:36,120 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137364799] [2020-11-22 13:04:36,124 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-11-22 13:04:36,124 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2020-11-22 13:04:36,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-11-22 13:04:36,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:04:36,140 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 4 states. [2020-11-22 13:04:36,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:36,182 INFO L93 Difference]: Finished difference Result 24 states and 29 transitions. [2020-11-22 13:04:36,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-11-22 13:04:36,183 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2020-11-22 13:04:36,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:36,191 INFO L225 Difference]: With dead ends: 24 [2020-11-22 13:04:36,191 INFO L226 Difference]: Without dead ends: 18 [2020-11-22 13:04:36,192 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-11-22 13:04:36,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-11-22 13:04:36,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-11-22 13:04:36,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-11-22 13:04:36,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-11-22 13:04:36,221 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-11-22 13:04:36,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:36,221 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-11-22 13:04:36,221 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-11-22 13:04:36,222 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-11-22 13:04:36,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-22 13:04:36,222 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:36,222 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:36,223 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-11-22 13:04:36,223 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:36,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:36,224 INFO L82 PathProgramCache]: Analyzing trace with hash 2067530268, now seen corresponding path program 1 times [2020-11-22 13:04:36,224 INFO L162 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2020-11-22 13:04:36,224 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340329082] [2020-11-22 13:04:36,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-11-22 13:04:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:04:36,272 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:04:36,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:04:36,320 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:04:36,358 INFO L173 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2020-11-22 13:04:36,359 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 13:04:36,360 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-11-22 13:04:36,363 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-11-22 13:04:36,363 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-11-22 13:04:36,373 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [283] [283] L-1-6-->thread2EXIT: Formula: (and (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out-1617448264| 0) (= |thread2Thread1of1ForFork1_#res.base_Out-1617448264| 0) (= (store |#memory_int_In-1617448264| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-1617448264| (store (select |#memory_int_In-1617448264| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-1617448264|) (+ |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In-1617448264| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In-1617448264|) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out-1617448264|)) |#memory_int_Out-1617448264|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In-1617448264| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In-1617448264|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In-1617448264| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-1617448264|) (= |thread2Thread1of1ForFork1_#res.offset_Out-1617448264| 0) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out-1617448264| (select (select |#memory_int_In-1617448264| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In-1617448264|) (+ |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In-1617448264| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In-1617448264|)))) InVars {thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In-1617448264|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-1617448264|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In-1617448264|, #memory_int=|#memory_int_In-1617448264|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In-1617448264|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In-1617448264|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In-1617448264|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In-1617448264|} OutVars{thread2Thread1of1ForFork1_#res.offset=|thread2Thread1of1ForFork1_#res.offset_Out-1617448264|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In-1617448264|, thread2Thread1of1ForFork1_#t~strcpy~res7.base=|thread2Thread1of1ForFork1_#t~strcpy~res7.base_Out-1617448264|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In-1617448264|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In-1617448264|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In-1617448264|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-1617448264|, thread2Thread1of1ForFork1_#t~strcpy~res7.offset=|thread2Thread1of1ForFork1_#t~strcpy~res7.offset_Out-1617448264|, thread2Thread1of1ForFork1_#res.base=|thread2Thread1of1ForFork1_#res.base_Out-1617448264|, #memory_int=|#memory_int_Out-1617448264|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In-1617448264|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In-1617448264|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out-1617448264|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~strcpy~res7.offset, thread2Thread1of1ForFork1_#t~strcpy~res7.base, thread2Thread1of1ForFork1_#res.base, #memory_int, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16] because there is no mapped edge [2020-11-22 13:04:36,375 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [282] [282] L1126-->L1107: Formula: (let ((.cse4 (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out450307772| 1)) (.cse0 (= ~v~0.base_In450307772 0)) (.cse1 (= ~v~0.offset_In450307772 0))) (or (let ((.cse3 (not |ULTIMATE.start_main_#t~short13_Out450307772|))) (and (or (not .cse0) (not .cse1)) (let ((.cse2 (= |ULTIMATE.start_main_#t~mem12_Out450307772| 66))) (or (and (not .cse2) .cse3) (and |ULTIMATE.start_main_#t~short13_Out450307772| .cse2))) (or (and (= |ULTIMATE.start___VERIFIER_assert_#in~expression_Out450307772| 0) .cse3) (and |ULTIMATE.start_main_#t~short13_Out450307772| .cse4)) (= |ULTIMATE.start_main_#t~mem12_Out450307772| (select (select |#memory_int_In450307772| ~v~0.base_In450307772) ~v~0.offset_In450307772)))) (and |ULTIMATE.start_main_#t~short13_Out450307772| .cse4 .cse0 .cse1 (= |ULTIMATE.start_main_#t~mem12_In450307772| |ULTIMATE.start_main_#t~mem12_Out450307772|)))) InVars {ULTIMATE.start_main_#t~mem12=|ULTIMATE.start_main_#t~mem12_In450307772|, ~v~0.offset=~v~0.offset_In450307772, #memory_int=|#memory_int_In450307772|, ~v~0.base=~v~0.base_In450307772} OutVars{ULTIMATE.start_main_#t~mem12=|ULTIMATE.start_main_#t~mem12_Out450307772|, ULTIMATE.start___VERIFIER_assert_~expression=ULTIMATE.start___VERIFIER_assert_~expression_Out450307772, ~v~0.offset=~v~0.offset_In450307772, #memory_int=|#memory_int_In450307772|, ULTIMATE.start_main_#t~short13=|ULTIMATE.start_main_#t~short13_Out450307772|, ~v~0.base=~v~0.base_In450307772, ULTIMATE.start___VERIFIER_assert_#in~expression=|ULTIMATE.start___VERIFIER_assert_#in~expression_Out450307772|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem12, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_main_#t~short13, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2020-11-22 13:04:36,393 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-22 13:04:36,394 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-22 13:04:36,394 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-22 13:04:36,395 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-22 13:04:36,395 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-22 13:04:36,395 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-22 13:04:36,396 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-22 13:04:36,396 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-22 13:04:36,396 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-22 13:04:36,397 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-22 13:04:36,397 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-22 13:04:36,397 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-22 13:04:36,397 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-22 13:04:36,398 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-22 13:04:36,398 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-22 13:04:36,398 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-22 13:04:36,398 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-22 13:04:36,399 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-22 13:04:36,399 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-22 13:04:36,399 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-22 13:04:36,399 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-22 13:04:36,400 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-22 13:04:36,418 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:04:36 BasicIcfg [2020-11-22 13:04:36,418 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:04:36,418 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:04:36,419 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:04:36,419 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:04:36,419 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:04:32" (3/4) ... [2020-11-22 13:04:36,422 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-22 13:04:36,422 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:04:36,424 INFO L168 Benchmark]: Toolchain (without parser) took 5443.27 ms. Allocated memory was 104.9 MB in the beginning and 174.1 MB in the end (delta: 69.2 MB). Free memory was 72.0 MB in the beginning and 84.4 MB in the end (delta: -12.4 MB). Peak memory consumption was 57.9 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:36,426 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory was 35.5 MB in the beginning and 35.5 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:04:36,427 INFO L168 Benchmark]: CACSL2BoogieTranslator took 767.57 ms. Allocated memory is still 104.9 MB. Free memory was 71.8 MB in the beginning and 70.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 40.6 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:36,427 INFO L168 Benchmark]: Boogie Procedure Inliner took 70.32 ms. Allocated memory is still 104.9 MB. Free memory was 70.1 MB in the beginning and 68.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:36,428 INFO L168 Benchmark]: Boogie Preprocessor took 27.48 ms. Allocated memory is still 104.9 MB. Free memory was 68.0 MB in the beginning and 66.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:36,428 INFO L168 Benchmark]: RCFGBuilder took 514.57 ms. Allocated memory is still 104.9 MB. Free memory was 66.5 MB in the beginning and 42.8 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:36,429 INFO L168 Benchmark]: TraceAbstraction took 4052.36 ms. Allocated memory was 104.9 MB in the beginning and 174.1 MB in the end (delta: 69.2 MB). Free memory was 42.8 MB in the beginning and 84.4 MB in the end (delta: -41.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:36,429 INFO L168 Benchmark]: Witness Printer took 4.10 ms. Allocated memory is still 174.1 MB. Free memory is still 84.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:04:36,433 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 77.6 MB. Free memory was 35.5 MB in the beginning and 35.5 MB in the end (delta: 63.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 767.57 ms. Allocated memory is still 104.9 MB. Free memory was 71.8 MB in the beginning and 70.1 MB in the end (delta: 1.7 MB). Peak memory consumption was 40.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 70.32 ms. Allocated memory is still 104.9 MB. Free memory was 70.1 MB in the beginning and 68.0 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 27.48 ms. Allocated memory is still 104.9 MB. Free memory was 68.0 MB in the beginning and 66.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 514.57 ms. Allocated memory is still 104.9 MB. Free memory was 66.5 MB in the beginning and 42.8 MB in the end (delta: 23.7 MB). Peak memory consumption was 23.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 4052.36 ms. Allocated memory was 104.9 MB in the beginning and 174.1 MB in the end (delta: 69.2 MB). Free memory was 42.8 MB in the beginning and 84.4 MB in the end (delta: -41.6 MB). Peak memory consumption was 27.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.10 ms. Allocated memory is still 174.1 MB. Free memory is still 84.4 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_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_#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_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_#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_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_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 73 VarBasedMoverChecksPositive, 8 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 8 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 5 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.2s, 78 PlacesBefore, 24 PlacesAfterwards, 79 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 6 FixpointIterations, 41 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 7 TrivialYvCompositions, 8 ConcurrentYvCompositions, 4 ChoiceCompositions, 80 TotalNumberOfCompositions, 235 MoverChecksTotal - UnprovableResult [Line: 20]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() 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}] [L1125] 0 \read(t2) 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") [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}] [L1107] COND TRUE 0 !expression [L20] COND FALSE 0 !(0) [L20] 0 __assert_fail ("0", "bigshot_s.c", 3, __extension__ __PRETTY_FUNCTION__) 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, 72 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 3.8s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.3s, HoareTripleCheckerStatistics: 14 SDtfs, 16 SDslu, 10 SDs, 0 SdLazy, 8 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 576 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-a4ecdab [2020-11-22 13:04:38,910 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-22 13:04:38,913 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-22 13:04:38,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-22 13:04:38,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-22 13:04:38,967 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-22 13:04:38,969 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-22 13:04:38,973 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-22 13:04:38,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-22 13:04:38,982 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-22 13:04:38,984 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-22 13:04:38,989 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-22 13:04:38,989 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-22 13:04:38,990 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-22 13:04:38,991 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-22 13:04:38,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-22 13:04:38,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-22 13:04:39,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-22 13:04:39,003 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-22 13:04:39,005 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-22 13:04:39,007 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-22 13:04:39,009 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-22 13:04:39,010 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-22 13:04:39,011 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-22 13:04:39,015 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-22 13:04:39,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-22 13:04:39,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-22 13:04:39,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-22 13:04:39,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-22 13:04:39,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-22 13:04:39,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-22 13:04:39,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-22 13:04:39,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-22 13:04:39,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-22 13:04:39,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-22 13:04:39,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-22 13:04:39,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-22 13:04:39,024 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-22 13:04:39,024 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-22 13:04:39,025 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-22 13:04:39,026 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-22 13:04:39,027 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2020-11-22 13:04:39,051 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-22 13:04:39,051 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-22 13:04:39,052 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2020-11-22 13:04:39,052 INFO L138 SettingsManager]: * User list type=DISABLED [2020-11-22 13:04:39,053 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2020-11-22 13:04:39,053 INFO L138 SettingsManager]: * Explicit value domain=true [2020-11-22 13:04:39,053 INFO L138 SettingsManager]: * Octagon Domain=false [2020-11-22 13:04:39,053 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2020-11-22 13:04:39,053 INFO L138 SettingsManager]: * Interval Domain=false [2020-11-22 13:04:39,054 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-22 13:04:39,054 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-22 13:04:39,055 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-22 13:04:39,055 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-22 13:04:39,055 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-11-22 13:04:39,055 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-11-22 13:04:39,055 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-11-22 13:04:39,055 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2020-11-22 13:04:39,056 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2020-11-22 13:04:39,056 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2020-11-22 13:04:39,056 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-22 13:04:39,056 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-22 13:04:39,056 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-22 13:04:39,057 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-11-22 13:04:39,057 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-22 13:04:39,057 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-22 13:04:39,057 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-11-22 13:04:39,057 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-11-22 13:04:39,058 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-11-22 13:04:39,058 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-22 13:04:39,064 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-11-22 13:04:39,064 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-11-22 13:04:39,064 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2020-11-22 13:04:39,064 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2020-11-22 13:04:39,065 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-11-22 13:04:39,065 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-22 13:04:39,065 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-11-22 13:04:39,065 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_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ce6ab85d567b430987e90c0caeb17855dc670c31 [2020-11-22 13:04:39,432 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-22 13:04:39,459 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-22 13:04:39,464 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-22 13:04:39,465 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-22 13:04:39,466 INFO L275 PluginConnector]: CDTParser initialized [2020-11-22 13:04:39,467 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan/../../sv-benchmarks/c/pthread/bigshot_s.i [2020-11-22 13:04:39,541 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan/data/31d2fa609/2ff50e509b0344368da7d318689c4001/FLAG9c238872a [2020-11-22 13:04:40,299 INFO L306 CDTParser]: Found 1 translation units. [2020-11-22 13:04:40,300 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/sv-benchmarks/c/pthread/bigshot_s.i [2020-11-22 13:04:40,316 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan/data/31d2fa609/2ff50e509b0344368da7d318689c4001/FLAG9c238872a [2020-11-22 13:04:40,509 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/bin/utaipan/data/31d2fa609/2ff50e509b0344368da7d318689c4001 [2020-11-22 13:04:40,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-22 13:04:40,514 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-22 13:04:40,529 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:40,529 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-22 13:04:40,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-22 13:04:40,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:40" (1/1) ... [2020-11-22 13:04:40,535 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75c0b51f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:40, skipping insertion in model container [2020-11-22 13:04:40,535 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 01:04:40" (1/1) ... [2020-11-22 13:04:40,544 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-22 13:04:40,612 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-22 13:04:41,178 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:04:41,199 INFO L203 MainTranslator]: Completed pre-run [2020-11-22 13:04:41,277 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-22 13:04:41,555 INFO L208 MainTranslator]: Completed translation [2020-11-22 13:04:41,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:41 WrapperNode [2020-11-22 13:04:41,557 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-22 13:04:41,558 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-22 13:04:41,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-22 13:04:41,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-22 13:04:41,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:41" (1/1) ... [2020-11-22 13:04:41,609 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:41" (1/1) ... [2020-11-22 13:04:41,634 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-22 13:04:41,635 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-22 13:04:41,635 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-22 13:04:41,635 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-22 13:04:41,643 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:41" (1/1) ... [2020-11-22 13:04:41,643 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:41" (1/1) ... [2020-11-22 13:04:41,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:41" (1/1) ... [2020-11-22 13:04:41,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:41" (1/1) ... [2020-11-22 13:04:41,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:41" (1/1) ... [2020-11-22 13:04:41,660 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:41" (1/1) ... [2020-11-22 13:04:41,663 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:41" (1/1) ... [2020-11-22 13:04:41,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-22 13:04:41,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-22 13:04:41,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-22 13:04:41,669 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-22 13:04:41,670 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/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 [2020-11-22 13:04:41,744 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2020-11-22 13:04:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2020-11-22 13:04:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-22 13:04:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-11-22 13:04:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2020-11-22 13:04:41,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2020-11-22 13:04:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-11-22 13:04:41,746 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-11-22 13:04:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-11-22 13:04:41,746 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-11-22 13:04:41,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2020-11-22 13:04:41,747 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-11-22 13:04:41,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-22 13:04:41,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-22 13:04:41,748 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-11-22 13:04:42,222 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-22 13:04:42,222 INFO L298 CfgBuilder]: Removed 10 assume(true) statements. [2020-11-22 13:04:42,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:04:42 BoogieIcfgContainer [2020-11-22 13:04:42,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-22 13:04:42,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-11-22 13:04:42,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-11-22 13:04:42,229 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-11-22 13:04:42,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 01:04:40" (1/3) ... [2020-11-22 13:04:42,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b7a3a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:04:42, skipping insertion in model container [2020-11-22 13:04:42,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 01:04:41" (2/3) ... [2020-11-22 13:04:42,230 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62b7a3a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 01:04:42, skipping insertion in model container [2020-11-22 13:04:42,230 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:04:42" (3/3) ... [2020-11-22 13:04:42,232 INFO L111 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2020-11-22 13:04:42,243 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-11-22 13:04:42,243 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-11-22 13:04:42,247 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-11-22 13:04:42,248 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-11-22 13:04:42,273 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,273 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,273 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,274 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,274 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,274 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,275 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,275 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,275 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,276 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,278 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,278 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,278 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,279 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,279 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,280 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,280 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,280 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,280 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,281 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,282 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,282 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,282 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,282 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,282 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,283 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,284 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,284 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,285 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,286 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,287 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,287 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,288 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,289 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,290 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,290 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,290 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,291 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,291 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,291 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,291 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,292 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,292 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,293 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,293 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,293 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,294 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,300 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,301 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,301 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,301 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,302 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,302 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,313 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,313 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,324 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,324 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,325 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,325 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,325 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,325 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,325 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,326 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,326 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,326 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,326 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,326 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-11-22 13:04:42,345 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-11-22 13:04:42,357 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-11-22 13:04:42,390 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-11-22 13:04:42,390 INFO L378 AbstractCegarLoop]: Hoare is true [2020-11-22 13:04:42,390 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-11-22 13:04:42,390 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-22 13:04:42,390 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-22 13:04:42,390 INFO L382 AbstractCegarLoop]: Difference is false [2020-11-22 13:04:42,391 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-22 13:04:42,391 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-11-22 13:04:42,408 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-11-22 13:04:42,409 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 79 places, 80 transitions, 182 flow [2020-11-22 13:04:42,412 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 79 places, 80 transitions, 182 flow [2020-11-22 13:04:42,413 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 79 places, 80 transitions, 182 flow [2020-11-22 13:04:42,448 INFO L129 PetriNetUnfolder]: 6/76 cut-off events. [2020-11-22 13:04:42,449 INFO L130 PetriNetUnfolder]: For 2/2 co-relation queries the response was YES. [2020-11-22 13:04:42,451 INFO L80 FinitePrefix]: Finished finitePrefix Result has 85 conditions, 76 events. 6/76 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 62 event pairs, 0 based on Foata normal form. 0/69 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. [2020-11-22 13:04:42,453 INFO L116 LiptonReduction]: Number of co-enabled transitions 96 [2020-11-22 13:04:42,706 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2020-11-22 13:04:43,221 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2020-11-22 13:04:44,895 WARN L193 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2020-11-22 13:04:45,487 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 73 [2020-11-22 13:04:45,627 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2020-11-22 13:04:46,184 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2020-11-22 13:04:46,644 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 89 [2020-11-22 13:04:47,052 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2020-11-22 13:04:47,073 INFO L131 LiptonReduction]: Checked pairs total: 206 [2020-11-22 13:04:47,073 INFO L133 LiptonReduction]: Total number of compositions: 84 [2020-11-22 13:04:47,078 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 24 places, 21 transitions, 64 flow [2020-11-22 13:04:47,084 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2020-11-22 13:04:47,086 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2020-11-22 13:04:47,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-11-22 13:04:47,091 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:47,092 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:47,092 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:47,097 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:47,097 INFO L82 PathProgramCache]: Analyzing trace with hash -1245339778, now seen corresponding path program 1 times [2020-11-22 13:04:47,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:47,109 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [97869982] [2020-11-22 13:04:47,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/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 [2020-11-22 13:04:47,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-11-22 13:04:47,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjunts are in the unsatisfiable core [2020-11-22 13:04:47,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-11-22 13:04:47,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:47,417 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-11-22 13:04:47,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-11-22 13:04:47,422 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [97869982] [2020-11-22 13:04:47,423 INFO L219 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2020-11-22 13:04:47,423 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2020-11-22 13:04:47,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356278216] [2020-11-22 13:04:47,427 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-11-22 13:04:47,427 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2020-11-22 13:04:47,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-11-22 13:04:47,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:04:47,443 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2020-11-22 13:04:47,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-11-22 13:04:47,479 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2020-11-22 13:04:47,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-11-22 13:04:47,481 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2020-11-22 13:04:47,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-11-22 13:04:47,488 INFO L225 Difference]: With dead ends: 19 [2020-11-22 13:04:47,489 INFO L226 Difference]: Without dead ends: 18 [2020-11-22 13:04:47,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-11-22 13:04:47,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2020-11-22 13:04:47,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2020-11-22 13:04:47,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2020-11-22 13:04:47,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2020-11-22 13:04:47,515 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2020-11-22 13:04:47,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-11-22 13:04:47,515 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2020-11-22 13:04:47,515 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-11-22 13:04:47,516 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2020-11-22 13:04:47,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-11-22 13:04:47,516 INFO L414 BasicCegarLoop]: Found error trace [2020-11-22 13:04:47,516 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-11-22 13:04:47,732 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2020-11-22 13:04:47,732 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-11-22 13:04:47,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-11-22 13:04:47,733 INFO L82 PathProgramCache]: Analyzing trace with hash 64589073, now seen corresponding path program 1 times [2020-11-22 13:04:47,734 INFO L162 FreeRefinementEngine]: Executing refinement strategy WALRUS [2020-11-22 13:04:47,734 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [447495355] [2020-11-22 13:04:47,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_ae6ae737-bcbb-4118-bbf2-6fa0b1a882c7/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 [2020-11-22 13:04:47,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:04:47,857 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:04:47,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-11-22 13:04:47,915 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-11-22 13:04:47,978 INFO L173 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2020-11-22 13:04:47,980 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-11-22 13:04:48,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2020-11-22 13:04:48,182 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-11-22 13:04:48,183 WARN L264 etLargeBlockEncoding]: Failed to translate choice composition: Branch encoders not available. [2020-11-22 13:04:48,190 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [293] [293] L-1-6-->thread2EXIT: Formula: (and (= (store |#memory_int_In-1792418788| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-1792418788| (store (select |#memory_int_In-1792418788| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-1792418788|) (bvadd |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In-1792418788| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In-1792418788|) ((_ sign_extend 24) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out-1792418788|))) |#memory_int_Out-1792418788|) (= (_ bv0 32) |thread2Thread1of1ForFork1_#res.offset_Out-1792418788|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In-1792418788| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-1792418788|) (= ((_ extract 7 0) (select (select |#memory_int_In-1792418788| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In-1792418788|) (bvadd |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In-1792418788| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In-1792418788|))) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out-1792418788|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In-1792418788| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In-1792418788|) (= (_ bv0 8) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out-1792418788|) (= |thread2Thread1of1ForFork1_#res.base_Out-1792418788| (_ bv0 32))) InVars {thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In-1792418788|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-1792418788|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In-1792418788|, #memory_int=|#memory_int_In-1792418788|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In-1792418788|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In-1792418788|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In-1792418788|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In-1792418788|} OutVars{thread2Thread1of1ForFork1_#res.offset=|thread2Thread1of1ForFork1_#res.offset_Out-1792418788|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In-1792418788|, thread2Thread1of1ForFork1_#t~strcpy~res7.base=|thread2Thread1of1ForFork1_#t~strcpy~res7.base_Out-1792418788|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In-1792418788|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In-1792418788|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In-1792418788|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-1792418788|, thread2Thread1of1ForFork1_#t~strcpy~res7.offset=|thread2Thread1of1ForFork1_#t~strcpy~res7.offset_Out-1792418788|, thread2Thread1of1ForFork1_#res.base=|thread2Thread1of1ForFork1_#res.base_Out-1792418788|, #memory_int=|#memory_int_Out-1792418788|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In-1792418788|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset15_In-1792418788|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16_Out-1792418788|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#t~strcpy~res7.offset, thread2Thread1of1ForFork1_#t~strcpy~res7.base, thread2Thread1of1ForFork1_#res.base, #memory_int, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem16] because there is no mapped edge [2020-11-22 13:04:48,191 WARN L124 codingBacktranslator]: Skipped backtranslation of ATE [285] [285] L1126-->L1107: Formula: (let ((.cse0 (= (_ bv0 32) ~v~0.offset_In-1938438262)) (.cse2 (= ~v~0.base_In-1938438262 (_ bv0 32))) (.cse1 (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1938438262|))) (or (and |ULTIMATE.start_main_#t~short13_Out-1938438262| .cse0 .cse1 .cse2 (= |ULTIMATE.start_main_#t~mem12_In-1938438262| |ULTIMATE.start_main_#t~mem12_Out-1938438262|)) (let ((.cse3 (not |ULTIMATE.start_main_#t~short13_Out-1938438262|))) (and (or (not .cse0) (not .cse2)) (= |ULTIMATE.start_main_#t~mem12_Out-1938438262| ((_ extract 7 0) (select (select |#memory_int_In-1938438262| ~v~0.base_In-1938438262) ~v~0.offset_In-1938438262))) (or (and .cse3 (= (_ bv0 32) |ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1938438262|)) (and |ULTIMATE.start_main_#t~short13_Out-1938438262| .cse1)) (let ((.cse4 (= (_ bv66 32) ((_ sign_extend 24) |ULTIMATE.start_main_#t~mem12_Out-1938438262|)))) (or (and .cse4 |ULTIMATE.start_main_#t~short13_Out-1938438262|) (and .cse3 (not .cse4)))))))) InVars {ULTIMATE.start_main_#t~mem12=|ULTIMATE.start_main_#t~mem12_In-1938438262|, ~v~0.offset=~v~0.offset_In-1938438262, #memory_int=|#memory_int_In-1938438262|, ~v~0.base=~v~0.base_In-1938438262} OutVars{ULTIMATE.start_main_#t~mem12=|ULTIMATE.start_main_#t~mem12_Out-1938438262|, ULTIMATE.start___VERIFIER_assert_~expression=ULTIMATE.start___VERIFIER_assert_~expression_Out-1938438262, ~v~0.offset=~v~0.offset_In-1938438262, #memory_int=|#memory_int_In-1938438262|, ULTIMATE.start_main_#t~short13=|ULTIMATE.start_main_#t~short13_Out-1938438262|, ~v~0.base=~v~0.base_In-1938438262, ULTIMATE.start___VERIFIER_assert_#in~expression=|ULTIMATE.start___VERIFIER_assert_#in~expression_Out-1938438262|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem12, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_main_#t~short13, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2020-11-22 13:04:48,214 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-22 13:04:48,215 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-22 13:04:48,221 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-22 13:04:48,221 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-22 13:04:48,221 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-22 13:04:48,222 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-22 13:04:48,222 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-22 13:04:48,222 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-22 13:04:48,222 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-22 13:04:48,222 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-22 13:04:48,223 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-22 13:04:48,223 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-22 13:04:48,223 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-22 13:04:48,223 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-22 13:04:48,223 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-22 13:04:48,224 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-22 13:04:48,224 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-22 13:04:48,224 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-22 13:04:48,224 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-22 13:04:48,225 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2020-11-22 13:04:48,225 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2020-11-22 13:04:48,225 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2020-11-22 13:04:48,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 01:04:48 BasicIcfg [2020-11-22 13:04:48,242 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-11-22 13:04:48,243 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-22 13:04:48,243 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-22 13:04:48,243 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-22 13:04:48,244 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 01:04:42" (3/4) ... [2020-11-22 13:04:48,247 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-22 13:04:48,247 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-22 13:04:48,248 INFO L168 Benchmark]: Toolchain (without parser) took 7733.21 ms. Allocated memory was 52.4 MB in the beginning and 117.4 MB in the end (delta: 65.0 MB). Free memory was 27.7 MB in the beginning and 56.6 MB in the end (delta: -28.9 MB). Peak memory consumption was 37.5 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:48,249 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 52.4 MB. Free memory was 35.0 MB in the beginning and 35.0 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:04:48,250 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1028.92 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 27.5 MB in the beginning and 38.3 MB in the end (delta: -10.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:48,250 INFO L168 Benchmark]: Boogie Procedure Inliner took 75.64 ms. Allocated memory is still 65.0 MB. Free memory was 38.3 MB in the beginning and 35.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:48,251 INFO L168 Benchmark]: Boogie Preprocessor took 33.22 ms. Allocated memory is still 65.0 MB. Free memory was 35.8 MB in the beginning and 34.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:48,252 INFO L168 Benchmark]: RCFGBuilder took 555.80 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 33.9 MB in the beginning and 56.4 MB in the end (delta: -22.5 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:48,252 INFO L168 Benchmark]: TraceAbstraction took 6016.69 ms. Allocated memory was 79.7 MB in the beginning and 117.4 MB in the end (delta: 37.7 MB). Free memory was 56.0 MB in the beginning and 56.6 MB in the end (delta: -626.2 kB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. [2020-11-22 13:04:48,253 INFO L168 Benchmark]: Witness Printer took 3.78 ms. Allocated memory is still 117.4 MB. Free memory is still 56.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-22 13:04:48,257 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 52.4 MB. Free memory was 35.0 MB in the beginning and 35.0 MB in the end (delta: 38.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1028.92 ms. Allocated memory was 52.4 MB in the beginning and 65.0 MB in the end (delta: 12.6 MB). Free memory was 27.5 MB in the beginning and 38.3 MB in the end (delta: -10.8 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 75.64 ms. Allocated memory is still 65.0 MB. Free memory was 38.3 MB in the beginning and 35.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.22 ms. Allocated memory is still 65.0 MB. Free memory was 35.8 MB in the beginning and 34.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 555.80 ms. Allocated memory was 65.0 MB in the beginning and 79.7 MB in the end (delta: 14.7 MB). Free memory was 33.9 MB in the beginning and 56.4 MB in the end (delta: -22.5 MB). Peak memory consumption was 10.0 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6016.69 ms. Allocated memory was 79.7 MB in the beginning and 117.4 MB in the end (delta: 37.7 MB). Free memory was 56.0 MB in the beginning and 56.6 MB in the end (delta: -626.2 kB). Peak memory consumption was 37.0 MB. Max. memory is 16.1 GB. * Witness Printer took 3.78 ms. Allocated memory is still 117.4 MB. Free memory is still 56.6 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_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_#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_#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_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_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_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_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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 74 VarBasedMoverChecksPositive, 9 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 9 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.1s, 5 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 4.6s, 79 PlacesBefore, 24 PlacesAfterwards, 80 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 6 FixpointIterations, 42 TrivialSequentialCompositions, 21 ConcurrentSequentialCompositions, 10 TrivialYvCompositions, 7 ConcurrentYvCompositions, 4 ChoiceCompositions, 84 TotalNumberOfCompositions, 206 MoverChecksTotal - UnprovableResult [Line: 20]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() 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}] [L1125] 0 \read(t2) 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") [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}] [L1107] COND TRUE 0 !expression [L20] COND FALSE 0 !(0) [L20] 0 __assert_fail ("0", "bigshot_s.c", 3, __extension__ __PRETTY_FUNCTION__) 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, 73 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 5.7s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.6s, HoareTripleCheckerStatistics: 14 SDtfs, 7 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s 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, 0.1s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 792 SizeOfPredicates, 1 NumberOfNonLiveVariables, 65 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...