./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 f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4293c9a1ea174d4a5682ad8c526b97f3d4757a3f ......................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s.i -s /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4293c9a1ea174d4a5682ad8c526b97f3d4757a3f ......................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:20:28,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:20:28,865 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:20:28,873 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:20:28,873 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:20:28,874 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:20:28,875 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:20:28,876 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:20:28,877 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:20:28,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:20:28,878 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:20:28,879 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:20:28,879 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:20:28,880 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:20:28,881 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:20:28,881 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:20:28,882 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:20:28,883 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:20:28,884 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:20:28,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:20:28,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:20:28,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:20:28,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:20:28,888 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:20:28,890 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:20:28,890 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:20:28,890 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:20:28,891 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:20:28,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:20:28,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:20:28,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:20:28,892 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:20:28,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:20:28,893 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:20:28,894 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:20:28,894 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:20:28,894 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:20:28,894 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:20:28,894 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:20:28,895 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:20:28,895 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:20:28,896 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 17:20:28,905 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:20:28,905 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:20:28,906 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:20:28,906 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:20:28,906 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:20:28,906 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:20:28,906 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:20:28,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:20:28,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:20:28,906 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:20:28,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:20:28,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:20:28,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:20:28,907 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:20:28,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:20:28,907 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:20:28,907 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:20:28,907 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:20:28,907 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:20:28,908 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:20:28,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:20:28,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:20:28,908 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:20:28,908 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:20:28,908 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:20:28,908 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:20:28,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 17:20:28,908 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:20:28,908 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:20:28,909 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 4293c9a1ea174d4a5682ad8c526b97f3d4757a3f [2019-12-07 17:20:29,008 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:20:29,015 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:20:29,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:20:29,018 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:20:29,019 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:20:29,019 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/../../sv-benchmarks/c/pthread/bigshot_s.i [2019-12-07 17:20:29,055 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/data/26fc61e2a/4e86e1d075df436ab8e32702ddb08061/FLAG6079a1c79 [2019-12-07 17:20:29,446 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:20:29,446 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/sv-benchmarks/c/pthread/bigshot_s.i [2019-12-07 17:20:29,459 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/data/26fc61e2a/4e86e1d075df436ab8e32702ddb08061/FLAG6079a1c79 [2019-12-07 17:20:29,468 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/data/26fc61e2a/4e86e1d075df436ab8e32702ddb08061 [2019-12-07 17:20:29,470 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:20:29,470 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:20:29,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:20:29,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:20:29,473 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:20:29,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:20:29" (1/1) ... [2019-12-07 17:20:29,476 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25bf35b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:29, skipping insertion in model container [2019-12-07 17:20:29,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:20:29" (1/1) ... [2019-12-07 17:20:29,481 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:20:29,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:20:29,839 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:20:29,845 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:20:29,873 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:20:29,974 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:20:29,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:29 WrapperNode [2019-12-07 17:20:29,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:20:29,975 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:20:29,975 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:20:29,975 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:20:29,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:29" (1/1) ... [2019-12-07 17:20:29,995 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:29" (1/1) ... [2019-12-07 17:20:30,010 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:20:30,010 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:20:30,010 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:20:30,010 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:20:30,016 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:29" (1/1) ... [2019-12-07 17:20:30,016 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:29" (1/1) ... [2019-12-07 17:20:30,019 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:29" (1/1) ... [2019-12-07 17:20:30,019 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:29" (1/1) ... [2019-12-07 17:20:30,024 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:29" (1/1) ... [2019-12-07 17:20:30,026 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:29" (1/1) ... [2019-12-07 17:20:30,027 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:29" (1/1) ... [2019-12-07 17:20:30,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:20:30,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:20:30,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:20:30,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:20:30,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/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 [2019-12-07 17:20:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:20:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:20:30,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-12-07 17:20:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 17:20:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-07 17:20:30,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-07 17:20:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-12-07 17:20:30,071 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-12-07 17:20:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 17:20:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 17:20:30,071 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:20:30,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:20:30,072 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 17:20:30,258 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:20:30,258 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 17:20:30,259 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:20:30 BoogieIcfgContainer [2019-12-07 17:20:30,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:20:30,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:20:30,260 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:20:30,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:20:30,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:20:29" (1/3) ... [2019-12-07 17:20:30,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57da02a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:20:30, skipping insertion in model container [2019-12-07 17:20:30,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:29" (2/3) ... [2019-12-07 17:20:30,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57da02a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:20:30, skipping insertion in model container [2019-12-07 17:20:30,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:20:30" (3/3) ... [2019-12-07 17:20:30,264 INFO L109 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2019-12-07 17:20:30,270 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 17:20:30,270 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:20:30,274 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:20:30,275 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 17:20:30,292 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,292 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,292 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,292 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,293 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,293 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,293 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,293 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,293 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,293 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,294 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,294 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,294 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,294 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,294 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,294 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,295 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,295 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,295 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,295 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,295 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,295 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,295 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,295 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,296 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,296 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,296 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,296 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,296 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,296 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,296 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,296 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,296 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,297 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,297 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,297 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,297 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,297 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,297 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,297 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,298 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,298 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,298 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,298 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,298 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,298 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,298 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:30,315 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 17:20:30,327 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:20:30,327 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:20:30,327 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:20:30,327 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:20:30,327 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:20:30,327 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:20:30,328 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:20:30,328 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:20:30,336 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 70 places, 70 transitions [2019-12-07 17:20:30,337 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 70 places, 70 transitions [2019-12-07 17:20:30,363 INFO L134 PetriNetUnfolder]: 5/66 cut-off events. [2019-12-07 17:20:30,363 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 17:20:30,366 INFO L76 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 66 events. 5/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 67 event pairs. 18/78 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-07 17:20:30,368 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 70 places, 70 transitions [2019-12-07 17:20:30,379 INFO L134 PetriNetUnfolder]: 5/66 cut-off events. [2019-12-07 17:20:30,379 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 17:20:30,379 INFO L76 FinitePrefix]: Finished finitePrefix Result has 75 conditions, 66 events. 5/66 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 67 event pairs. 18/78 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-07 17:20:30,380 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 96 [2019-12-07 17:20:30,381 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 17:20:31,627 INFO L206 etLargeBlockEncoding]: Checked pairs total: 68 [2019-12-07 17:20:31,627 INFO L214 etLargeBlockEncoding]: Total number of compositions: 62 [2019-12-07 17:20:31,629 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 21 transitions [2019-12-07 17:20:31,634 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2019-12-07 17:20:31,635 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-12-07 17:20:31,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 17:20:31,640 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:20:31,641 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:20:31,641 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:20:31,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:20:31,647 INFO L82 PathProgramCache]: Analyzing trace with hash 1540404167, now seen corresponding path program 1 times [2019-12-07 17:20:31,652 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:20:31,653 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063879735] [2019-12-07 17:20:31,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:20:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:20:31,796 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:20:31,796 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063879735] [2019-12-07 17:20:31,797 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:20:31,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 17:20:31,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1224681956] [2019-12-07 17:20:31,800 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:20:31,800 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:20:31,809 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:20:31,809 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:20:31,811 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2019-12-07 17:20:31,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:20:31,830 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2019-12-07 17:20:31,830 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:20:31,831 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-07 17:20:31,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:20:31,837 INFO L225 Difference]: With dead ends: 19 [2019-12-07 17:20:31,837 INFO L226 Difference]: Without dead ends: 18 [2019-12-07 17:20:31,838 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:20:31,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-12-07 17:20:31,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-12-07 17:20:31,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 17:20:31,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2019-12-07 17:20:31,859 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2019-12-07 17:20:31,859 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:20:31,859 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2019-12-07 17:20:31,859 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:20:31,859 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-12-07 17:20:31,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 17:20:31,860 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:20:31,860 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:20:31,860 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:20:31,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:20:31,860 INFO L82 PathProgramCache]: Analyzing trace with hash 636866405, now seen corresponding path program 1 times [2019-12-07 17:20:31,860 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:20:31,860 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [886304797] [2019-12-07 17:20:31,860 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:20:31,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:20:31,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:20:31,921 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:20:31,922 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:20:31,924 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [245] [245] ULTIMATE.startENTRY-->L1103: Formula: (let ((.cse1 (store |v_#valid_46| 0 0))) (let ((.cse2 (store .cse1 |v_#t~string3.base_9| 1))) (let ((.cse0 (store .cse2 |v_ULTIMATE.start_main_~#t1~0.base_15| 1))) (and (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2~0.base_23|)) (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t1~0.base_15|) (= |v_#valid_44| (store .cse0 |v_ULTIMATE.start_main_~#t2~0.base_23| 1)) (< |v_#StackHeapBarrier_16| |v_ULTIMATE.start_main_~#t2~0.base_23|) (= |v_#length_28| (store (store (store |v_#length_30| |v_#t~string3.base_9| 8) |v_ULTIMATE.start_main_~#t1~0.base_15| 4) |v_ULTIMATE.start_main_~#t2~0.base_23| 4)) (= v_~v~0.offset_28 0) (= |v_#NULL.offset_5| 0) (= v_~v~0.base_28 0) (= (store |v_#memory_int_49| |v_ULTIMATE.start_main_~#t1~0.base_15| (store (select |v_#memory_int_49| |v_ULTIMATE.start_main_~#t1~0.base_15|) |v_ULTIMATE.start_main_~#t1~0.offset_14| 0)) |v_#memory_int_48|) (= (select .cse1 |v_#t~string3.base_9|) 0) (< 0 |v_#StackHeapBarrier_16|) (= (select .cse2 |v_ULTIMATE.start_main_~#t1~0.base_15|) 0) (= |v_ULTIMATE.start_main_~#t1~0.offset_14| 0) (= 0 |v_#t~string3.offset_9|) (< |v_#StackHeapBarrier_16| |v_#t~string3.base_9|) (= 0 |v_#NULL.base_5|) (= |v_ULTIMATE.start_main_~#t2~0.offset_21| 0))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_16|, #valid=|v_#valid_46|, #memory_int=|v_#memory_int_49|, #length=|v_#length_30|} OutVars{ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_6|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_21|, #NULL.offset=|v_#NULL.offset_5|, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_12|, ~v~0.base=v_~v~0.base_28, #NULL.base=|v_#NULL.base_5|, #t~string3.offset=|v_#t~string3.offset_9|, ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_15|, ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_14|, #StackHeapBarrier=|v_#StackHeapBarrier_16|, ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_19|, ~v~0.offset=v_~v~0.offset_28, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_12|, #valid=|v_#valid_44|, #memory_int=|v_#memory_int_48|, #length=|v_#length_28|, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_11|, ULTIMATE.start_main_#t~short10=|v_ULTIMATE.start_main_#t~short10_22|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_14|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_23|, #t~string3.base=|v_#t~string3.base_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_~#t2~0.offset, #NULL.offset, ULTIMATE.start_main_#t~nondet7, ~v~0.base, #NULL.base, #t~string3.offset, ULTIMATE.start_main_~#t1~0.base, ULTIMATE.start_main_#t~mem9, ULTIMATE.start_main_#t~mem8, ~v~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ULTIMATE.start_main_#t~mem6, ULTIMATE.start_main_#t~short10, ULTIMATE.start_main_~#t1~0.offset, ULTIMATE.start_main_~#t2~0.base, #t~string3.base] because there is no mapped edge [2019-12-07 17:20:31,925 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [211] [211] L1103-1-->L1104-1: Formula: (= |v_ULTIMATE.start_main_#t~mem6_9| (select (select |v_#memory_int_23| |v_ULTIMATE.start_main_~#t1~0.base_11|) |v_ULTIMATE.start_main_~#t1~0.offset_11|)) InVars {ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_11|, #memory_int=|v_#memory_int_23|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_11|} OutVars{ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_11|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_4|, #memory_int=|v_#memory_int_23|, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_9|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~mem6] because there is no mapped edge [2019-12-07 17:20:31,925 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [239] [239] thread1ENTRY-->thread1EXIT: Formula: (and (< |v_thread1Thread1of1ForFork1_#t~malloc2.base_5| |v_#StackHeapBarrier_15|) (= v_~v~0.base_26 |v_thread1Thread1of1ForFork1_#t~malloc2.base_5|) (= |v_thread1Thread1of1ForFork1_#res.base_4| 0) (not (= 0 |v_thread1Thread1of1ForFork1_#t~malloc2.base_5|)) (= |v_#valid_42| (store |v_#valid_43| |v_thread1Thread1of1ForFork1_#t~malloc2.base_5| 1)) (= 0 (select |v_#valid_43| |v_thread1Thread1of1ForFork1_#t~malloc2.base_5|)) (= |v_#length_26| (store |v_#length_27| |v_thread1Thread1of1ForFork1_#t~malloc2.base_5| 8)) (= |v_thread1Thread1of1ForFork1_#in~arg.offset_4| v_thread1Thread1of1ForFork1_~arg.offset_2) (= |v_thread1Thread1of1ForFork1_#in~arg.base_4| v_thread1Thread1of1ForFork1_~arg.base_2) (= 0 |v_thread1Thread1of1ForFork1_#t~malloc2.offset_5|) (= v_~v~0.offset_26 |v_thread1Thread1of1ForFork1_#t~malloc2.offset_5|) (= 0 |v_thread1Thread1of1ForFork1_#res.offset_4|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, thread1Thread1of1ForFork1_#in~arg.base=|v_thread1Thread1of1ForFork1_#in~arg.base_4|, #valid=|v_#valid_43|, thread1Thread1of1ForFork1_#in~arg.offset=|v_thread1Thread1of1ForFork1_#in~arg.offset_4|, #length=|v_#length_27|} OutVars{thread1Thread1of1ForFork1_#in~arg.base=|v_thread1Thread1of1ForFork1_#in~arg.base_4|, thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~malloc2.offset=|v_thread1Thread1of1ForFork1_#t~malloc2.offset_5|, thread1Thread1of1ForFork1_~arg.offset=v_thread1Thread1of1ForFork1_~arg.offset_2, thread1Thread1of1ForFork1_#t~malloc2.base=|v_thread1Thread1of1ForFork1_#t~malloc2.base_5|, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, ~v~0.base=v_~v~0.base_26, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ~v~0.offset=v_~v~0.offset_26, #valid=|v_#valid_42|, thread1Thread1of1ForFork1_~arg.base=v_thread1Thread1of1ForFork1_~arg.base_2, thread1Thread1of1ForFork1_#in~arg.offset=|v_thread1Thread1of1ForFork1_#in~arg.offset_4|, #length=|v_#length_26|} AuxVars[] AssignedVars[thread1Thread1of1ForFork1_#res.base, thread1Thread1of1ForFork1_#t~malloc2.offset, thread1Thread1of1ForFork1_~arg.offset, ~v~0.offset, thread1Thread1of1ForFork1_#t~malloc2.base, #valid, thread1Thread1of1ForFork1_~arg.base, thread1Thread1of1ForFork1_#res.offset, #length, ~v~0.base] because there is no mapped edge [2019-12-07 17:20:31,925 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [236] [236] thread2ENTRY-->L-1-6: Formula: (and (= v_~v~0.offset_24 |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_18|) (= |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_6| |v_#t~string3.base_7|) (= |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_6| |v_#t~string3.offset_7|) (= |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12_21| 0) (= v_~v~0.base_24 |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_18|) (= |v_thread2Thread1of1ForFork0_#in~arg.offset_8| v_thread2Thread1of1ForFork0_~arg.offset_6) (or (not (= v_~v~0.offset_24 0)) (not (= v_~v~0.base_24 0))) (= |v_thread2Thread1of1ForFork0_#in~arg.base_8| v_thread2Thread1of1ForFork0_~arg.base_6)) InVars {~v~0.offset=v_~v~0.offset_24, thread2Thread1of1ForFork0_#in~arg.offset=|v_thread2Thread1of1ForFork0_#in~arg.offset_8|, ~v~0.base=v_~v~0.base_24, #t~string3.base=|v_#t~string3.base_7|, #t~string3.offset=|v_#t~string3.offset_7|, thread2Thread1of1ForFork0_#in~arg.base=|v_thread2Thread1of1ForFork0_#in~arg.base_8|} OutVars{thread2Thread1of1ForFork0_~arg.base=v_thread2Thread1of1ForFork0_~arg.base_6, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12_21|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_12|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_6|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_18|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_12|, ~v~0.base=v_~v~0.base_24, #t~string3.offset=|v_#t~string3.offset_7|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_18|, thread2Thread1of1ForFork0_~arg.offset=v_thread2Thread1of1ForFork0_~arg.offset_6, ~v~0.offset=v_~v~0.offset_24, thread2Thread1of1ForFork0_#in~arg.offset=|v_thread2Thread1of1ForFork0_#in~arg.offset_8|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_6|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13_19|, #t~string3.base=|v_#t~string3.base_7|, thread2Thread1of1ForFork0_#in~arg.base=|v_thread2Thread1of1ForFork0_#in~arg.base_8|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~arg.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base, thread2Thread1of1ForFork0_~arg.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13] because there is no mapped edge [2019-12-07 17:20:31,926 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [251] [251] L-1-6-->thread2EXIT: Formula: (and (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In1988512092| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_In1988512092|) (= 0 |thread2Thread1of1ForFork0_#res.offset_Out1988512092|) (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In1988512092| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_In1988512092|) (= (select (select |#memory_int_In1988512092| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_In1988512092|) (+ |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_In1988512092| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12_In1988512092|)) |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13_Out1988512092|) (= 0 |thread2Thread1of1ForFork0_#res.base_Out1988512092|) (= |#memory_int_Out1988512092| (store |#memory_int_In1988512092| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In1988512092| (store (select |#memory_int_In1988512092| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In1988512092|) (+ |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12_In1988512092| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In1988512092|) |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13_Out1988512092|))) (= 0 |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13_Out1988512092|)) InVars {thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In1988512092|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12_In1988512092|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_In1988512092|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_In1988512092|, #memory_int=|#memory_int_In1988512092|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In1988512092|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_In1988512092|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_In1988512092|} OutVars{thread2Thread1of1ForFork0_#res.offset=|thread2Thread1of1ForFork0_#res.offset_Out1988512092|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset12_In1988512092|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_In1988512092|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_In1988512092|, thread2Thread1of1ForFork0_#t~strcpy~res4.base=|thread2Thread1of1ForFork0_#t~strcpy~res4.base_Out1988512092|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In1988512092|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_In1988512092|, thread2Thread1of1ForFork0_#t~strcpy~res4.offset=|thread2Thread1of1ForFork0_#t~strcpy~res4.offset_Out1988512092|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In1988512092|, thread2Thread1of1ForFork0_#res.base=|thread2Thread1of1ForFork0_#res.base_Out1988512092|, #memory_int=|#memory_int_Out1988512092|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_In1988512092|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13_Out1988512092|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_#res.offset, thread2Thread1of1ForFork0_#res.base, thread2Thread1of1ForFork0_#t~strcpy~res4.base, #memory_int, thread2Thread1of1ForFork0_#t~strcpy~res4.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem13] because there is no mapped edge [2019-12-07 17:20:31,926 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [205] [205] L1105-2-->L1106-1: Formula: (= |v_ULTIMATE.start_main_#t~mem8_11| (select (select |v_#memory_int_20| |v_ULTIMATE.start_main_~#t2~0.base_11|) |v_ULTIMATE.start_main_~#t2~0.offset_10|)) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_10|, #memory_int=|v_#memory_int_20|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_11|} OutVars{ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_11|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_10|, #memory_int=|v_#memory_int_20|, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_4|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem8, ULTIMATE.start_main_#t~nondet7] because there is no mapped edge [2019-12-07 17:20:31,926 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [248] [248] L1107-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_16 0) (= v_ULTIMATE.start___VERIFIER_assert_~expression_16 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|) (= (ite |v_ULTIMATE.start_main_#t~short10_24| 1 0) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|) (let ((.cse0 (= |v_ULTIMATE.start_main_#t~mem9_16| (select (select |v_#memory_int_56| v_~v~0.base_29) v_~v~0.offset_29))) (.cse1 (not (= |v_ULTIMATE.start_main_#t~mem9_16| 66)))) (or (and .cse0 (not (= v_~v~0.offset_29 0)) .cse1) (and (not (= v_~v~0.base_29 0)) .cse0 .cse1)))) InVars {~v~0.offset=v_~v~0.offset_29, #memory_int=|v_#memory_int_56|, ~v~0.base=v_~v~0.base_29} OutVars{ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_16|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_16, ~v~0.offset=v_~v~0.offset_29, #memory_int=|v_#memory_int_56|, ULTIMATE.start_main_#t~short10=|v_ULTIMATE.start_main_#t~short10_24|, ~v~0.base=v_~v~0.base_29, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem9, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_main_#t~short10, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2019-12-07 17:20:31,931 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 17:20:31,932 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 17:20:31,932 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 17:20:31,932 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 17:20:31,932 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 17:20:31,932 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 17:20:31,933 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 17:20:31,933 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 17:20:31,933 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 17:20:31,933 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 17:20:31,933 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 17:20:31,933 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 17:20:31,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:20:31 BasicIcfg [2019-12-07 17:20:31,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:20:31,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:20:31,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:20:31,943 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:20:31,943 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:20:30" (3/4) ... [2019-12-07 17:20:31,945 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:20:31,946 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:20:31,947 INFO L168 Benchmark]: Toolchain (without parser) took 2476.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 937.1 MB in the beginning and 1.0 GB in the end (delta: -69.3 MB). Peak memory consumption was 82.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:20:31,947 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:20:31,948 INFO L168 Benchmark]: CACSL2BoogieTranslator took 503.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:20:31,948 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:20:31,949 INFO L168 Benchmark]: Boogie Preprocessor took 19.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:20:31,949 INFO L168 Benchmark]: RCFGBuilder took 229.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. [2019-12-07 17:20:31,949 INFO L168 Benchmark]: TraceAbstraction took 1682.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:20:31,950 INFO L168 Benchmark]: Witness Printer took 2.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:20:31,952 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 958.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 503.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 937.1 MB in the beginning and 1.1 GB in the end (delta: -147.5 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 229.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 28.4 MB). Peak memory consumption was 28.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1682.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 49.8 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. * Witness Printer took 2.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#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 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.2s, 70 ProgramPointsBefore, 23 ProgramPointsAfterwards, 70 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 7 FixpointIterations, 31 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 6 ConcurrentYvCompositions, 3 ChoiceCompositions, 49 VarBasedMoverChecksPositive, 5 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 5 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 68 CheckedPairsTotal, 62 TotalNumberOfCompositions - UnprovableResult [Line: 1088]: 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 1097. Possible FailurePath: [L1103] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1104] 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}] [L1105] 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}] [L1106] 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}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 64 locations, 1 error locations. Result: UNSAFE, OverallTime: 1.5s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 14 SDtfs, 9 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 12 ConstructedInterpolants, 0 QuantifiedInterpolants, 324 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, 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 0.1.25-f470102 [2019-12-07 17:20:33,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:20:33,291 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:20:33,298 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:20:33,299 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:20:33,299 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:20:33,300 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:20:33,301 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:20:33,303 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:20:33,303 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:20:33,304 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:20:33,305 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:20:33,305 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:20:33,306 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:20:33,306 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:20:33,307 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:20:33,308 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:20:33,308 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:20:33,310 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:20:33,311 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:20:33,312 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:20:33,313 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:20:33,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:20:33,314 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:20:33,316 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:20:33,316 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:20:33,316 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:20:33,317 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:20:33,317 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:20:33,318 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:20:33,318 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:20:33,319 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:20:33,319 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:20:33,320 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:20:33,320 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:20:33,320 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:20:33,321 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:20:33,321 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:20:33,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:20:33,322 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:20:33,322 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:20:33,323 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2019-12-07 17:20:33,333 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:20:33,333 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:20:33,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:20:33,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:20:33,334 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:20:33,334 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:20:33,334 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 17:20:33,334 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 17:20:33,335 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:20:33,335 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 17:20:33,335 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 17:20:33,335 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 17:20:33,335 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 17:20:33,335 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 17:20:33,335 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 17:20:33,335 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:20:33,336 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:20:33,336 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 17:20:33,336 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:20:33,336 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:20:33,336 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 17:20:33,336 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 17:20:33,336 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 17:20:33,336 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:20:33,337 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 17:20:33,337 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 17:20:33,337 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2019-12-07 17:20:33,337 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 17:20:33,337 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 17:20:33,337 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:20:33,337 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 17:20:33,337 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer 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(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer 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 -> 4293c9a1ea174d4a5682ad8c526b97f3d4757a3f [2019-12-07 17:20:33,515 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:20:33,523 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:20:33,525 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:20:33,526 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:20:33,526 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:20:33,527 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/../../sv-benchmarks/c/pthread/bigshot_s.i [2019-12-07 17:20:33,565 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/data/c0c453545/9b0ee8a6de2e4b5493251e4373d1a63f/FLAG2370e7ee4 [2019-12-07 17:20:33,962 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:20:33,962 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/sv-benchmarks/c/pthread/bigshot_s.i [2019-12-07 17:20:33,974 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/data/c0c453545/9b0ee8a6de2e4b5493251e4373d1a63f/FLAG2370e7ee4 [2019-12-07 17:20:33,983 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/data/c0c453545/9b0ee8a6de2e4b5493251e4373d1a63f [2019-12-07 17:20:33,985 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:20:33,986 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:20:33,986 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:20:33,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:20:33,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:20:33,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:20:33" (1/1) ... [2019-12-07 17:20:33,991 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4d666b04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:33, skipping insertion in model container [2019-12-07 17:20:33,991 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:20:33" (1/1) ... [2019-12-07 17:20:33,995 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:20:34,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:20:34,322 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:20:34,333 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:20:34,362 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:20:34,475 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:20:34,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:34 WrapperNode [2019-12-07 17:20:34,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:20:34,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:20:34,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:20:34,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:20:34,482 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:34" (1/1) ... [2019-12-07 17:20:34,498 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:34" (1/1) ... [2019-12-07 17:20:34,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:20:34,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:20:34,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:20:34,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:20:34,521 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:34" (1/1) ... [2019-12-07 17:20:34,521 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:34" (1/1) ... [2019-12-07 17:20:34,524 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:34" (1/1) ... [2019-12-07 17:20:34,524 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:34" (1/1) ... [2019-12-07 17:20:34,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:34" (1/1) ... [2019-12-07 17:20:34,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:34" (1/1) ... [2019-12-07 17:20:34,535 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:34" (1/1) ... [2019-12-07 17:20:34,538 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:20:34,539 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:20:34,539 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:20:34,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:20:34,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/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 [2019-12-07 17:20:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-12-07 17:20:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 17:20:34,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 17:20:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 17:20:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 17:20:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-07 17:20:34,581 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-07 17:20:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-12-07 17:20:34,581 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-12-07 17:20:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2019-12-07 17:20:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 17:20:34,581 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:20:34,581 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:20:34,583 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 17:20:34,801 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:20:34,801 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 17:20:34,802 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:20:34 BoogieIcfgContainer [2019-12-07 17:20:34,802 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:20:34,803 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 17:20:34,803 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 17:20:34,805 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 17:20:34,805 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 05:20:33" (1/3) ... [2019-12-07 17:20:34,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1b1153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:20:34, skipping insertion in model container [2019-12-07 17:20:34,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:20:34" (2/3) ... [2019-12-07 17:20:34,806 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e1b1153 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 05:20:34, skipping insertion in model container [2019-12-07 17:20:34,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:20:34" (3/3) ... [2019-12-07 17:20:34,807 INFO L109 eAbstractionObserver]: Analyzing ICFG bigshot_s.i [2019-12-07 17:20:34,814 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 17:20:34,814 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 17:20:34,819 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 17:20:34,820 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 17:20:34,840 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,840 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,840 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,840 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,841 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,841 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,841 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,842 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,842 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,842 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,842 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,843 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,843 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,843 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,843 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,844 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,844 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,844 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,844 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,844 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,845 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,845 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,845 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,845 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,845 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,846 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,846 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,846 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,846 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,847 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,847 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,847 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,847 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,847 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,847 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,848 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,848 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,848 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,848 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,848 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,848 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,849 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,849 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,849 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,849 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,849 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,850 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 17:20:34,871 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 17:20:34,884 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 17:20:34,884 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 17:20:34,884 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 17:20:34,884 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:20:34,885 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:20:34,885 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 17:20:34,885 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:20:34,885 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 17:20:34,893 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 71 places, 71 transitions [2019-12-07 17:20:34,895 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 71 places, 71 transitions [2019-12-07 17:20:34,921 INFO L134 PetriNetUnfolder]: 5/67 cut-off events. [2019-12-07 17:20:34,922 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 17:20:34,925 INFO L76 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 67 events. 5/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 67 event pairs. 18/79 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-07 17:20:34,926 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 71 places, 71 transitions [2019-12-07 17:20:34,939 INFO L134 PetriNetUnfolder]: 5/67 cut-off events. [2019-12-07 17:20:34,939 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 17:20:34,940 INFO L76 FinitePrefix]: Finished finitePrefix Result has 76 conditions, 67 events. 5/67 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 67 event pairs. 18/79 useless extension candidates. Maximal degree in co-relation 50. Up to 2 conditions per place. [2019-12-07 17:20:34,941 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 96 [2019-12-07 17:20:34,941 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 17:20:36,466 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-12-07 17:20:37,134 INFO L206 etLargeBlockEncoding]: Checked pairs total: 64 [2019-12-07 17:20:37,134 INFO L214 etLargeBlockEncoding]: Total number of compositions: 66 [2019-12-07 17:20:37,137 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 21 transitions [2019-12-07 17:20:37,143 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2019-12-07 17:20:37,144 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-12-07 17:20:37,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 17:20:37,149 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:20:37,149 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:20:37,149 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:20:37,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:20:37,153 INFO L82 PathProgramCache]: Analyzing trace with hash 76088929, now seen corresponding path program 1 times [2019-12-07 17:20:37,161 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:20:37,161 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [988919226] [2019-12-07 17:20:37,161 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/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 [2019-12-07 17:20:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:20:37,226 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 17:20:37,229 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:20:37,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:20:37,241 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 17:20:37,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:20:37,244 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [988919226] [2019-12-07 17:20:37,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:20:37,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 17:20:37,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1019425990] [2019-12-07 17:20:37,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 17:20:37,248 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2019-12-07 17:20:37,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 17:20:37,258 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:20:37,259 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2019-12-07 17:20:37,284 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:20:37,284 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2019-12-07 17:20:37,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 17:20:37,285 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-07 17:20:37,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 17:20:37,291 INFO L225 Difference]: With dead ends: 19 [2019-12-07 17:20:37,291 INFO L226 Difference]: Without dead ends: 18 [2019-12-07 17:20:37,292 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 17:20:37,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-12-07 17:20:37,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-12-07 17:20:37,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 17:20:37,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2019-12-07 17:20:37,313 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2019-12-07 17:20:37,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 17:20:37,313 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2019-12-07 17:20:37,313 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 17:20:37,314 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-12-07 17:20:37,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 17:20:37,314 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 17:20:37,314 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 17:20:37,514 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 17:20:37,515 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 17:20:37,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:20:37,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1080855270, now seen corresponding path program 1 times [2019-12-07 17:20:37,516 INFO L163 FreeRefinementEngine]: Executing refinement strategy WOLF [2019-12-07 17:20:37,516 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [595302087] [2019-12-07 17:20:37,516 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_5ee03776-8331-4b0e-8431-358b14bbee81/bin/uautomizer/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 [2019-12-07 17:20:37,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:20:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:20:37,648 INFO L174 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2019-12-07 17:20:37,648 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 17:20:37,849 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 17:20:37,855 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [246] [246] ULTIMATE.startENTRY-->L1103: Formula: (let ((.cse2 (store |v_#valid_48| (_ bv0 32) (_ bv0 1)))) (let ((.cse1 (store .cse2 |v_#t~string3.base_9| (_ bv1 1)))) (let ((.cse0 (store .cse1 |v_ULTIMATE.start_main_~#t1~0.base_17| (_ bv1 1)))) (and (= (_ bv0 32) |v_#NULL.offset_4|) (= roundNearestTiesToEven v_currentRoundingMode_5) (= |v_#valid_46| (store .cse0 |v_ULTIMATE.start_main_~#t2~0.base_18| (_ bv1 1))) (= (_ bv0 32) |v_ULTIMATE.start_main_~#t2~0.offset_16|) (= |v_#length_30| (store (store (store |v_#length_32| |v_#t~string3.base_9| (_ bv8 32)) |v_ULTIMATE.start_main_~#t1~0.base_17| (_ bv4 32)) |v_ULTIMATE.start_main_~#t2~0.base_18| (_ bv4 32))) (= (_ bv0 32) |v_ULTIMATE.start_main_~#t1~0.offset_15|) (bvult |v_#StackHeapBarrier_17| |v_ULTIMATE.start_main_~#t2~0.base_18|) (bvult |v_#StackHeapBarrier_17| |v_ULTIMATE.start_main_~#t1~0.base_17|) (= (select .cse1 |v_ULTIMATE.start_main_~#t1~0.base_17|) (_ bv0 1)) (= (_ bv0 32) v_~v~0.base_27) (= |v_#t~string3.offset_9| (_ bv0 32)) (= (select .cse2 |v_#t~string3.base_9|) (_ bv0 1)) (bvult |v_#StackHeapBarrier_17| |v_#t~string3.base_9|) (= (_ bv0 32) v_~v~0.offset_27) (bvult (_ bv0 32) |v_#StackHeapBarrier_17|) (= |v_#memory_int_30| (store |v_#memory_int_31| |v_ULTIMATE.start_main_~#t1~0.base_17| (store (select |v_#memory_int_31| |v_ULTIMATE.start_main_~#t1~0.base_17|) |v_ULTIMATE.start_main_~#t1~0.offset_15| (_ bv0 32)))) (= |v_#NULL.base_4| (_ bv0 32)) (= (select .cse0 |v_ULTIMATE.start_main_~#t2~0.base_18|) (_ bv0 1)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_17|, #valid=|v_#valid_48|, #memory_int=|v_#memory_int_31|, #length=|v_#length_32|} OutVars{ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_7|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_16|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_9|, ~v~0.base=v_~v~0.base_27, #NULL.base=|v_#NULL.base_4|, #t~string3.offset=|v_#t~string3.offset_9|, ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_17|, ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_14|, #StackHeapBarrier=|v_#StackHeapBarrier_17|, ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_14|, ~v~0.offset=v_~v~0.offset_27, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_10|, #valid=|v_#valid_46|, #memory_int=|v_#memory_int_30|, #length=|v_#length_30|, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_12|, ULTIMATE.start_main_#t~short10=|v_ULTIMATE.start_main_#t~short10_23|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_15|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_18|, currentRoundingMode=v_currentRoundingMode_5, #t~string3.base=|v_#t~string3.base_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_~#t2~0.offset, #NULL.offset, ULTIMATE.start_main_#t~nondet7, ~v~0.base, #NULL.base, #t~string3.offset, ULTIMATE.start_main_~#t1~0.base, ULTIMATE.start_main_#t~mem9, ULTIMATE.start_main_#t~mem8, ~v~0.offset, ULTIMATE.start_main_#res, #valid, #memory_int, #length, ULTIMATE.start_main_#t~mem6, ULTIMATE.start_main_#t~short10, ULTIMATE.start_main_~#t1~0.offset, ULTIMATE.start_main_~#t2~0.base, currentRoundingMode, #t~string3.base] because there is no mapped edge [2019-12-07 17:20:37,856 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [214] [214] L1103-1-->L1104-1: Formula: (= (select (select |v_#memory_int_17| |v_ULTIMATE.start_main_~#t1~0.base_12|) |v_ULTIMATE.start_main_~#t1~0.offset_11|) |v_ULTIMATE.start_main_#t~mem6_9|) InVars {ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_12|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_11|} OutVars{ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_12|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_4|, #memory_int=|v_#memory_int_17|, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_9|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_11|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~mem6] because there is no mapped edge [2019-12-07 17:20:37,856 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [235] [235] thread1ENTRY-->thread1EXIT: Formula: (and (= |v_#length_23| (store |v_#length_24| |v_thread1Thread1of1ForFork0_#t~malloc2.base_5| (_ bv8 32))) (= |v_thread1Thread1of1ForFork0_#t~malloc2.base_5| v_~v~0.base_23) (= |v_thread1Thread1of1ForFork0_#t~malloc2.offset_5| v_~v~0.offset_23) (= (store |v_#valid_39| |v_thread1Thread1of1ForFork0_#t~malloc2.base_5| (_ bv1 1)) |v_#valid_38|) (= |v_thread1Thread1of1ForFork0_#t~malloc2.offset_5| (_ bv0 32)) (bvult |v_thread1Thread1of1ForFork0_#t~malloc2.base_5| |v_#StackHeapBarrier_14|) (= (_ bv0 32) |v_thread1Thread1of1ForFork0_#res.base_3|) (= v_thread1Thread1of1ForFork0_~arg.offset_3 |v_thread1Thread1of1ForFork0_#in~arg.offset_5|) (not (= |v_thread1Thread1of1ForFork0_#t~malloc2.base_5| (_ bv0 32))) (= v_thread1Thread1of1ForFork0_~arg.base_3 |v_thread1Thread1of1ForFork0_#in~arg.base_5|) (= (select |v_#valid_39| |v_thread1Thread1of1ForFork0_#t~malloc2.base_5|) (_ bv0 1)) (= (_ bv0 32) |v_thread1Thread1of1ForFork0_#res.offset_3|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_5|, #valid=|v_#valid_39|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_5|, #length=|v_#length_24|} OutVars{thread1Thread1of1ForFork0_#t~malloc2.base=|v_thread1Thread1of1ForFork0_#t~malloc2.base_5|, thread1Thread1of1ForFork0_#t~malloc2.offset=|v_thread1Thread1of1ForFork0_#t~malloc2.offset_5|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_5|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_3|, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_3, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_3|, ~v~0.base=v_~v~0.base_23, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ~v~0.offset=v_~v~0.offset_23, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_3, #valid=|v_#valid_38|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_5|, #length=|v_#length_23|} AuxVars[] AssignedVars[thread1Thread1of1ForFork0_#t~malloc2.base, thread1Thread1of1ForFork0_#t~malloc2.offset, thread1Thread1of1ForFork0_#res.base, thread1Thread1of1ForFork0_~arg.offset, ~v~0.offset, thread1Thread1of1ForFork0_~arg.base, #valid, thread1Thread1of1ForFork0_#res.offset, #length, ~v~0.base] because there is no mapped edge [2019-12-07 17:20:37,858 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [197] [197] L1105-2-->L1106-1: Formula: (= |v_ULTIMATE.start_main_#t~mem8_9| (select (select |v_#memory_int_11| |v_ULTIMATE.start_main_~#t2~0.base_9|) |v_ULTIMATE.start_main_~#t2~0.offset_8|)) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_8|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_9|} OutVars{ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_9|, ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_8|, #memory_int=|v_#memory_int_11|, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_4|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_9|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem8, ULTIMATE.start_main_#t~nondet7] because there is no mapped edge [2019-12-07 17:20:37,858 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [237] [237] thread2ENTRY-->L-1-6: Formula: (and (= |v_thread2Thread1of1ForFork1_#in~arg.offset_8| v_thread2Thread1of1ForFork1_~arg.offset_6) (= |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_10| |v_#t~string3.offset_7|) (= v_~v~0.offset_24 |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_13|) (= |v_#t~string3.base_7| |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_10|) (= |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_13| v_~v~0.base_24) (or (not (= (_ bv0 32) v_~v~0.offset_24)) (not (= (_ bv0 32) v_~v~0.base_24))) (= v_thread2Thread1of1ForFork1_~arg.base_6 |v_thread2Thread1of1ForFork1_#in~arg.base_8|) (= (_ bv0 32) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12_18|)) InVars {thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_8|, ~v~0.offset=v_~v~0.offset_24, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_8|, ~v~0.base=v_~v~0.base_24, #t~string3.base=|v_#t~string3.base_7|, #t~string3.offset=|v_#t~string3.offset_7|} OutVars{thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_10|, thread2Thread1of1ForFork1_~arg.base=v_thread2Thread1of1ForFork1_~arg.base_6, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12_18|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_9|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_13|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_9|, ~v~0.base=v_~v~0.base_24, #t~string3.offset=|v_#t~string3.offset_7|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_13|, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_8|, ~v~0.offset=v_~v~0.offset_24, thread2Thread1of1ForFork1_~arg.offset=v_thread2Thread1of1ForFork1_~arg.offset_6, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_10|, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_8|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13_15|, #t~string3.base=|v_#t~string3.base_7|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base, thread2Thread1of1ForFork1_~arg.base, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base, thread2Thread1of1ForFork1_~arg.offset, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13] because there is no mapped edge [2019-12-07 17:20:37,859 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [257] [257] L-1-6-->thread2EXIT: Formula: (and (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In-1521987358| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-1521987358|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13_Out-1521987358| (_ bv0 8)) (= (_ bv0 32) |thread2Thread1of1ForFork1_#res.offset_Out-1521987358|) (= (store |#memory_int_In-1521987358| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-1521987358| (store (select |#memory_int_In-1521987358| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-1521987358|) (bvadd |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In-1521987358| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12_In-1521987358|) ((_ sign_extend 24) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13_Out-1521987358|))) |#memory_int_Out-1521987358|) (= |thread2Thread1of1ForFork1_#res.base_Out-1521987358| (_ bv0 32)) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In-1521987358| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In-1521987358|) (= ((_ extract 7 0) (select (select |#memory_int_In-1521987358| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In-1521987358|) (bvadd |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12_In-1521987358| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In-1521987358|))) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13_Out-1521987358|)) InVars {thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In-1521987358|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-1521987358|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12_In-1521987358|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In-1521987358|, #memory_int=|#memory_int_In-1521987358|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In-1521987358|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In-1521987358|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In-1521987358|} OutVars{thread2Thread1of1ForFork1_#res.offset=|thread2Thread1of1ForFork1_#res.offset_Out-1521987358|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In-1521987358|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset12_In-1521987358|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In-1521987358|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In-1521987358|, thread2Thread1of1ForFork1_#t~strcpy~res4.offset=|thread2Thread1of1ForFork1_#t~strcpy~res4.offset_Out-1521987358|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In-1521987358|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In-1521987358|, thread2Thread1of1ForFork1_#res.base=|thread2Thread1of1ForFork1_#res.base_Out-1521987358|, thread2Thread1of1ForFork1_#t~strcpy~res4.base=|thread2Thread1of1ForFork1_#t~strcpy~res4.base_Out-1521987358|, #memory_int=|#memory_int_Out-1521987358|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In-1521987358|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13_Out-1521987358|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#res.offset, thread2Thread1of1ForFork1_#res.base, thread2Thread1of1ForFork1_#t~strcpy~res4.base, #memory_int, thread2Thread1of1ForFork1_#t~strcpy~res4.offset, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem13] because there is no mapped edge [2019-12-07 17:20:37,861 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [249] [249] L1107-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_12| (ite |v_ULTIMATE.start_main_#t~short10_24| (_ bv1 32) (_ bv0 32))) (let ((.cse0 (not (= ((_ sign_extend 24) |v_ULTIMATE.start_main_#t~mem9_15|) (_ bv66 32)))) (.cse1 (= ((_ extract 7 0) (select (select |v_#memory_int_32| v_~v~0.base_28) v_~v~0.offset_28)) |v_ULTIMATE.start_main_#t~mem9_15|))) (or (and (not (= (_ bv0 32) v_~v~0.base_28)) .cse0 .cse1) (and .cse0 .cse1 (not (= (_ bv0 32) v_~v~0.offset_28))))) (= (_ bv0 32) v_ULTIMATE.start___VERIFIER_assert_~expression_15) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_12| v_ULTIMATE.start___VERIFIER_assert_~expression_15)) InVars {~v~0.offset=v_~v~0.offset_28, #memory_int=|v_#memory_int_32|, ~v~0.base=v_~v~0.base_28} OutVars{ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_15|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_15, ~v~0.offset=v_~v~0.offset_28, #memory_int=|v_#memory_int_32|, ULTIMATE.start_main_#t~short10=|v_ULTIMATE.start_main_#t~short10_24|, ~v~0.base=v_~v~0.base_28, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem9, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start_main_#t~short10, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2019-12-07 17:20:37,875 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 17:20:37,877 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 17:20:37,878 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 17:20:37,878 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 17:20:37,880 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 17:20:37,880 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 17:20:37,881 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 17:20:37,881 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 17:20:37,881 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 17:20:37,882 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 17:20:37,882 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 17:20:37,882 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 17:20:37,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 05:20:37 BasicIcfg [2019-12-07 17:20:37,896 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 17:20:37,897 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:20:37,897 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:20:37,897 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:20:37,897 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:20:34" (3/4) ... [2019-12-07 17:20:37,900 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:20:37,900 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:20:37,901 INFO L168 Benchmark]: Toolchain (without parser) took 3915.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 206.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -131.3 MB). Peak memory consumption was 75.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:20:37,902 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:20:37,902 INFO L168 Benchmark]: CACSL2BoogieTranslator took 489.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -122.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:20:37,903 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:20:37,903 INFO L168 Benchmark]: Boogie Preprocessor took 23.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:20:37,903 INFO L168 Benchmark]: RCFGBuilder took 263.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. [2019-12-07 17:20:37,904 INFO L168 Benchmark]: TraceAbstraction took 3093.44 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -54.7 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:20:37,904 INFO L168 Benchmark]: Witness Printer took 3.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:20:37,907 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 981.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 489.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -122.0 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 263.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 31.8 MB). Peak memory consumption was 31.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3093.44 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 71.8 MB). Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -54.7 MB). Peak memory consumption was 17.1 MB. Max. memory is 11.5 GB. * Witness Printer took 3.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - 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_#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_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 2.2s, 71 ProgramPointsBefore, 23 ProgramPointsAfterwards, 71 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 7 FixpointIterations, 34 TrivialSequentialCompositions, 19 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 9 ConcurrentYvCompositions, 3 ChoiceCompositions, 49 VarBasedMoverChecksPositive, 2 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 2 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 64 CheckedPairsTotal, 66 TotalNumberOfCompositions - UnprovableResult [Line: 1088]: 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 1097. Possible FailurePath: [L1103] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, v={0:0}] [L1104] 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}] [L1105] 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}] [L1106] 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}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 65 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.9s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 14 SDtfs, 9 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, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 648 SizeOfPredicates, 1 NumberOfNonLiveVariables, 59 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, 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...