./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread/bigshot_s2.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_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 62a3adf163f0436d6a570493ab3486b362f3c38f ..................................................................................................................................................................................................................................................................................................................................................................................................... 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_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread/bigshot_s2.i -s /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 62a3adf163f0436d6a570493ab3486b362f3c38f .............................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:51:31,926 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:51:31,928 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:51:31,937 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:51:31,937 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:51:31,938 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:51:31,939 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:51:31,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:51:31,941 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:51:31,942 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:51:31,942 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:51:31,943 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:51:31,943 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:51:31,944 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:51:31,945 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:51:31,946 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:51:31,946 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:51:31,947 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:51:31,948 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:51:31,949 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:51:31,951 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:51:31,952 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:51:31,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:51:31,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:51:31,955 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:51:31,955 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:51:31,955 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:51:31,956 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:51:31,956 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:51:31,957 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:51:31,957 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:51:31,958 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:51:31,958 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:51:31,959 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:51:31,960 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:51:31,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:51:31,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:51:31,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:51:31,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:51:31,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:51:31,962 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:51:31,963 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2019-12-07 12:51:31,975 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:51:31,975 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:51:31,975 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:51:31,976 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:51:31,976 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:51:31,976 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:51:31,976 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-12-07 12:51:31,976 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:51:31,976 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:51:31,976 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-12-07 12:51:31,976 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-12-07 12:51:31,976 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:51:31,977 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2019-12-07 12:51:31,977 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2019-12-07 12:51:31,977 INFO L138 SettingsManager]: * Simplification Technique=SIMPLIFY_QUICK [2019-12-07 12:51:31,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:51:31,977 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:51:31,977 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:51:31,977 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:51:31,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:51:31,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:51:31,978 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:51:31,978 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:51:31,978 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:51:31,978 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:51:31,978 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:51:31,978 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:51:31,978 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:51:31,979 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:51:31,979 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:51:31,979 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:51:31,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:51:31,979 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:51:31,979 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:51:31,979 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:51:31,979 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2019-12-07 12:51:31,980 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:51:31,980 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:51:31,980 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:51:31,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:51:31,980 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62a3adf163f0436d6a570493ab3486b362f3c38f [2019-12-07 12:51:32,078 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:51:32,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:51:32,091 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:51:32,092 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:51:32,092 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:51:32,093 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/../../sv-benchmarks/c/pthread/bigshot_s2.i [2019-12-07 12:51:32,140 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/data/df3bf89a1/f626b2919b92478d9cf7db09a56c6aea/FLAG4f65e387c [2019-12-07 12:51:32,525 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:51:32,526 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/sv-benchmarks/c/pthread/bigshot_s2.i [2019-12-07 12:51:32,541 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/data/df3bf89a1/f626b2919b92478d9cf7db09a56c6aea/FLAG4f65e387c [2019-12-07 12:51:32,551 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/data/df3bf89a1/f626b2919b92478d9cf7db09a56c6aea [2019-12-07 12:51:32,552 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:51:32,553 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:51:32,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:51:32,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:51:32,556 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:51:32,557 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:51:32" (1/1) ... [2019-12-07 12:51:32,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64e9397e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:32, skipping insertion in model container [2019-12-07 12:51:32,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:51:32" (1/1) ... [2019-12-07 12:51:32,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:51:32,598 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:51:32,926 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:51:32,932 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:51:32,964 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:51:33,079 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:51:33,079 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:33 WrapperNode [2019-12-07 12:51:33,079 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:51:33,080 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:51:33,080 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:51:33,080 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:51:33,087 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:33" (1/1) ... [2019-12-07 12:51:33,102 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:33" (1/1) ... [2019-12-07 12:51:33,118 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:51:33,118 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:51:33,118 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:51:33,118 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:51:33,124 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:33" (1/1) ... [2019-12-07 12:51:33,124 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:33" (1/1) ... [2019-12-07 12:51:33,126 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:33" (1/1) ... [2019-12-07 12:51:33,126 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:33" (1/1) ... [2019-12-07 12:51:33,131 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:33" (1/1) ... [2019-12-07 12:51:33,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:33" (1/1) ... [2019-12-07 12:51:33,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:33" (1/1) ... [2019-12-07 12:51:33,137 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:51:33,138 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:51:33,138 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:51:33,138 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:51:33,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:33" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:51:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:51:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:51:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-12-07 12:51:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-07 12:51:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-07 12:51:33,178 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-07 12:51:33,178 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-12-07 12:51:33,179 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-12-07 12:51:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-07 12:51:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 12:51:33,179 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:51:33,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:51:33,180 WARN L205 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-07 12:51:33,363 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:51:33,364 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 12:51:33,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:51:33 BoogieIcfgContainer [2019-12-07 12:51:33,364 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:51:33,365 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:51:33,365 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:51:33,367 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:51:33,367 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:51:32" (1/3) ... [2019-12-07 12:51:33,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ea1694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:51:33, skipping insertion in model container [2019-12-07 12:51:33,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:33" (2/3) ... [2019-12-07 12:51:33,368 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52ea1694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:51:33, skipping insertion in model container [2019-12-07 12:51:33,368 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:51:33" (3/3) ... [2019-12-07 12:51:33,369 INFO L109 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2019-12-07 12:51:33,375 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 12:51:33,375 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:51:33,379 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:51:33,380 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 12:51:33,397 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,397 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,397 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,397 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,397 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,398 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,398 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,398 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,398 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,398 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,398 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,399 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,399 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,399 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,399 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,399 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,399 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,399 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,399 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,399 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,400 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,400 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,400 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,400 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,400 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,400 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,400 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,400 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,400 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,401 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,401 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,401 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,401 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,401 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,401 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,401 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,401 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,401 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,402 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,402 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,402 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,402 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,402 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,402 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,402 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,402 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,402 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:33,422 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 12:51:33,436 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:51:33,436 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:51:33,436 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:51:33,436 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:51:33,436 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:51:33,436 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:51:33,436 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:51:33,437 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:51:33,447 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 66 places, 65 transitions [2019-12-07 12:51:33,449 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 66 places, 65 transitions [2019-12-07 12:51:33,473 INFO L134 PetriNetUnfolder]: 4/61 cut-off events. [2019-12-07 12:51:33,474 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 12:51:33,477 INFO L76 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 61 events. 4/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs. 18/74 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2019-12-07 12:51:33,478 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 66 places, 65 transitions [2019-12-07 12:51:33,489 INFO L134 PetriNetUnfolder]: 4/61 cut-off events. [2019-12-07 12:51:33,489 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 12:51:33,489 INFO L76 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 61 events. 4/61 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs. 18/74 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2019-12-07 12:51:33,490 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 96 [2019-12-07 12:51:33,491 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 12:51:34,329 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2019-12-07 12:51:34,436 INFO L206 etLargeBlockEncoding]: Checked pairs total: 65 [2019-12-07 12:51:34,436 INFO L214 etLargeBlockEncoding]: Total number of compositions: 58 [2019-12-07 12:51:34,438 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 21 transitions [2019-12-07 12:51:34,443 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2019-12-07 12:51:34,445 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-12-07 12:51:34,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 12:51:34,448 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:51:34,449 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:51:34,449 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:51:34,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:51:34,453 INFO L82 PathProgramCache]: Analyzing trace with hash -509445840, now seen corresponding path program 1 times [2019-12-07 12:51:34,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 12:51:34,459 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1850572125] [2019-12-07 12:51:34,459 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:51:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:51:34,590 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 12:51:34,590 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1850572125] [2019-12-07 12:51:34,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:51:34,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:51:34,591 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [661855324] [2019-12-07 12:51:34,594 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:51:34,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2019-12-07 12:51:34,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:51:34,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:51:34,605 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2019-12-07 12:51:34,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:51:34,623 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2019-12-07 12:51:34,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:51:34,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-07 12:51:34,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:51:34,630 INFO L225 Difference]: With dead ends: 19 [2019-12-07 12:51:34,630 INFO L226 Difference]: Without dead ends: 18 [2019-12-07 12:51:34,631 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 12:51:34,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-12-07 12:51:34,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-12-07 12:51:34,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 12:51:34,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2019-12-07 12:51:34,652 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2019-12-07 12:51:34,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:51:34,653 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2019-12-07 12:51:34,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:51:34,653 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-12-07 12:51:34,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 12:51:34,653 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:51:34,653 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:51:34,653 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:51:34,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:51:34,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1467521456, now seen corresponding path program 1 times [2019-12-07 12:51:34,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2019-12-07 12:51:34,654 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [719316455] [2019-12-07 12:51:34,654 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:51:34,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:51:34,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:51:34,713 INFO L174 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2019-12-07 12:51:34,713 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 12:51:34,716 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [227] [227] ULTIMATE.startENTRY-->L1103: Formula: (let ((.cse1 (store |v_#valid_49| 0 0))) (let ((.cse2 (store .cse1 |v_#t~string3.base_8| 1))) (let ((.cse0 (store .cse2 |v_ULTIMATE.start_main_~#t1~0.base_19| 1))) (and (= 0 |v_#NULL.base_4|) (= (store (store (store |v_#length_26| |v_#t~string3.base_8| 8) |v_ULTIMATE.start_main_~#t1~0.base_19| 4) |v_ULTIMATE.start_main_~#t2~0.base_22| 4) |v_#length_24|) (= |v_ULTIMATE.start_main_~#t1~0.offset_15| 0) (= 0 |v_#t~string3.offset_8|) (= (store .cse0 |v_ULTIMATE.start_main_~#t2~0.base_22| 1) |v_#valid_47|) (< |v_#StackHeapBarrier_13| |v_#t~string3.base_8|) (= (select .cse1 |v_#t~string3.base_8|) 0) (< |v_#StackHeapBarrier_13| |v_ULTIMATE.start_main_~#t2~0.base_22|) (= (store |v_#memory_int_40| |v_ULTIMATE.start_main_~#t1~0.base_19| (store (select |v_#memory_int_40| |v_ULTIMATE.start_main_~#t1~0.base_19|) |v_ULTIMATE.start_main_~#t1~0.offset_15| 0)) |v_#memory_int_39|) (= |v_#NULL.offset_4| 0) (= 0 (select .cse0 |v_ULTIMATE.start_main_~#t2~0.base_22|)) (= v_~v~0.offset_23 0) (= (select .cse2 |v_ULTIMATE.start_main_~#t1~0.base_19|) 0) (= |v_ULTIMATE.start_main_~#t2~0.offset_20| 0) (= v_~v~0.base_23 0) (< |v_#StackHeapBarrier_13| |v_ULTIMATE.start_main_~#t1~0.base_19|) (< 0 |v_#StackHeapBarrier_13|))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_13|, #valid=|v_#valid_49|, #memory_int=|v_#memory_int_40|, #length=|v_#length_26|} 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_20|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_11|, ~v~0.base=v_~v~0.base_23, #NULL.base=|v_#NULL.base_4|, #t~string3.offset=|v_#t~string3.offset_8|, ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_19|, ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_19|, #StackHeapBarrier=|v_#StackHeapBarrier_13|, ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_16|, ~v~0.offset=v_~v~0.offset_23, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_15|, #valid=|v_#valid_47|, #memory_int=|v_#memory_int_39|, #length=|v_#length_24|, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_12|, 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_22|, #t~string3.base=|v_#t~string3.base_8|} 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_~#t1~0.offset, ULTIMATE.start_main_~#t2~0.base, #t~string3.base] because there is no mapped edge [2019-12-07 12:51:34,716 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [220] [220] thread1ENTRY-->thread1EXIT: Formula: (and (= (store |v_#length_23| |v_thread1Thread1of1ForFork1_#t~malloc2.base_6| 8) |v_#length_22|) (= |v_thread1Thread1of1ForFork1_#in~arg.offset_5| v_thread1Thread1of1ForFork1_~arg.offset_3) (= |v_thread1Thread1of1ForFork1_#res.base_4| 0) (= |v_#valid_42| (store |v_#valid_43| |v_thread1Thread1of1ForFork1_#t~malloc2.base_6| 1)) (= v_~v~0.offset_19 |v_thread1Thread1of1ForFork1_#t~malloc2.offset_6|) (= |v_thread1Thread1of1ForFork1_#in~arg.base_5| v_thread1Thread1of1ForFork1_~arg.base_3) (= v_~v~0.base_19 |v_thread1Thread1of1ForFork1_#t~malloc2.base_6|) (not (= 0 |v_thread1Thread1of1ForFork1_#t~malloc2.base_6|)) (< |v_thread1Thread1of1ForFork1_#t~malloc2.base_6| |v_#StackHeapBarrier_12|) (= 0 (select |v_#valid_43| |v_thread1Thread1of1ForFork1_#t~malloc2.base_6|)) (= 0 |v_thread1Thread1of1ForFork1_#res.offset_4|) (= 0 |v_thread1Thread1of1ForFork1_#t~malloc2.offset_6|)) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_12|, thread1Thread1of1ForFork1_#in~arg.base=|v_thread1Thread1of1ForFork1_#in~arg.base_5|, #valid=|v_#valid_43|, thread1Thread1of1ForFork1_#in~arg.offset=|v_thread1Thread1of1ForFork1_#in~arg.offset_5|, #length=|v_#length_23|} OutVars{thread1Thread1of1ForFork1_#in~arg.base=|v_thread1Thread1of1ForFork1_#in~arg.base_5|, thread1Thread1of1ForFork1_#res.base=|v_thread1Thread1of1ForFork1_#res.base_4|, thread1Thread1of1ForFork1_#t~malloc2.offset=|v_thread1Thread1of1ForFork1_#t~malloc2.offset_6|, thread1Thread1of1ForFork1_~arg.offset=v_thread1Thread1of1ForFork1_~arg.offset_3, thread1Thread1of1ForFork1_#t~malloc2.base=|v_thread1Thread1of1ForFork1_#t~malloc2.base_6|, thread1Thread1of1ForFork1_#res.offset=|v_thread1Thread1of1ForFork1_#res.offset_4|, ~v~0.base=v_~v~0.base_19, #StackHeapBarrier=|v_#StackHeapBarrier_12|, ~v~0.offset=v_~v~0.offset_19, #valid=|v_#valid_42|, thread1Thread1of1ForFork1_~arg.base=v_thread1Thread1of1ForFork1_~arg.base_3, thread1Thread1of1ForFork1_#in~arg.offset=|v_thread1Thread1of1ForFork1_#in~arg.offset_5|, #length=|v_#length_22|} 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 12:51:34,717 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [191] [191] L1103-1-->L1104-1: Formula: (= |v_ULTIMATE.start_main_#t~mem6_8| (select (select |v_#memory_int_16| |v_ULTIMATE.start_main_~#t1~0.base_9|) |v_ULTIMATE.start_main_~#t1~0.offset_8|)) InVars {ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_9|, #memory_int=|v_#memory_int_16|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_8|} OutVars{ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_9|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_3|, #memory_int=|v_#memory_int_16|, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_8|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~mem6] because there is no mapped edge [2019-12-07 12:51:34,717 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [219] [219] thread2ENTRY-->L-1-6: Formula: (and (= v_~v~0.offset_18 |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_14|) (= |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_10| |v_#t~string3.offset_7|) (= |v_#t~string3.base_7| |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_10|) (= |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11_18| 0) (or (not (= v_~v~0.offset_18 0)) (not (= v_~v~0.base_18 0))) (= |v_thread2Thread1of1ForFork0_#in~arg.base_9| v_thread2Thread1of1ForFork0_~arg.base_7) (= |v_thread2Thread1of1ForFork0_#in~arg.offset_9| v_thread2Thread1of1ForFork0_~arg.offset_7) (= v_~v~0.base_18 |v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_14|)) InVars {~v~0.offset=v_~v~0.offset_18, thread2Thread1of1ForFork0_#in~arg.offset=|v_thread2Thread1of1ForFork0_#in~arg.offset_9|, ~v~0.base=v_~v~0.base_18, #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_9|} OutVars{thread2Thread1of1ForFork0_~arg.base=v_thread2Thread1of1ForFork0_~arg.base_7, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11_18|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_11|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_10|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_14|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_11|, ~v~0.base=v_~v~0.base_18, #t~string3.offset=|v_#t~string3.offset_7|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_14|, thread2Thread1of1ForFork0_~arg.offset=v_thread2Thread1of1ForFork0_~arg.offset_7, ~v~0.offset=v_~v~0.offset_18, thread2Thread1of1ForFork0_#in~arg.offset=|v_thread2Thread1of1ForFork0_#in~arg.offset_9|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_10|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12=|v_thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12_16|, #t~string3.base=|v_#t~string3.base_7|, thread2Thread1of1ForFork0_#in~arg.base=|v_thread2Thread1of1ForFork0_#in~arg.base_9|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_~arg.base, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base, thread2Thread1of1ForFork0_~arg.offset, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11, 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~mem12] because there is no mapped edge [2019-12-07 12:51:34,717 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [231] [231] L-1-6-->thread2EXIT: Formula: (and (= (store |#memory_int_In709471339| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In709471339| (store (select |#memory_int_In709471339| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In709471339|) (+ |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In709471339| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11_In709471339|) |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12_Out709471339|)) |#memory_int_Out709471339|) (= |thread2Thread1of1ForFork0_#res.offset_Out709471339| 0) (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12_Out709471339| (select (select |#memory_int_In709471339| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_In709471339|) (+ |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_In709471339| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11_In709471339|))) (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In709471339| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_In709471339|) (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_In709471339| |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In709471339|) (= 0 |thread2Thread1of1ForFork0_#res.base_Out709471339|) (= |thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12_Out709471339| 0)) InVars {thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In709471339|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11_In709471339|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_In709471339|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_In709471339|, #memory_int=|#memory_int_In709471339|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In709471339|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_In709471339|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_In709471339|} OutVars{thread2Thread1of1ForFork0_#res.offset=|thread2Thread1of1ForFork0_#res.offset_Out709471339|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~offset11_In709471339|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.offset_In709471339|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.base_In709471339|, thread2Thread1of1ForFork0_#t~strcpy~res4.base=|thread2Thread1of1ForFork0_#t~strcpy~res4.base_Out709471339|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.offset_In709471339|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#res.base_In709471339|, thread2Thread1of1ForFork0_#t~strcpy~res4.offset=|thread2Thread1of1ForFork0_#t~strcpy~res4.offset_Out709471339|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_dest.base_In709471339|, thread2Thread1of1ForFork0_#res.base=|thread2Thread1of1ForFork0_#res.base_Out709471339|, #memory_int=|#memory_int_Out709471339|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_src.offset_In709471339|, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12=|thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12_Out709471339|} AuxVars[] AssignedVars[thread2Thread1of1ForFork0_#res.offset, thread2Thread1of1ForFork0_#res.base, thread2Thread1of1ForFork0_#t~strcpy~res4.base, #memory_int, thread2Thread1of1ForFork0_#Ultimate.C_strcpy_#t~mem12, thread2Thread1of1ForFork0_#t~strcpy~res4.offset] because there is no mapped edge [2019-12-07 12:51:34,718 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [175] [175] L1105-2-->L1106-1: Formula: (= |v_ULTIMATE.start_main_#t~mem8_8| (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_8|, 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_3|, 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 12:51:34,718 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [226] [226] L1107-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (= v_ULTIMATE.start___VERIFIER_assert_~expression_17 0) (= (ite (= |v_ULTIMATE.start_main_#t~mem9_18| 66) 1 0) |v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|) (= |v_ULTIMATE.start_main_#t~mem9_18| (select (select |v_#memory_int_38| v_~v~0.base_22) v_~v~0.offset_22))) InVars {~v~0.offset=v_~v~0.offset_22, #memory_int=|v_#memory_int_38|, ~v~0.base=v_~v~0.base_22} OutVars{ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_18|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_17, ~v~0.offset=v_~v~0.offset_22, #memory_int=|v_#memory_int_38|, ~v~0.base=v_~v~0.base_22, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_13|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem9, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2019-12-07 12:51:34,723 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 12:51:34,724 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 12:51:34,724 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 12:51:34,724 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 12:51:34,724 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 12:51:34,725 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 12:51:34,725 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 12:51:34,725 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 12:51:34,725 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 12:51:34,725 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 12:51:34,726 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 12:51:34,726 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 12:51:34,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:51:34 BasicIcfg [2019-12-07 12:51:34,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:51:34,735 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:51:34,735 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:51:34,735 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:51:34,736 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:51:33" (3/4) ... [2019-12-07 12:51:34,738 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 12:51:34,738 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:51:34,739 INFO L168 Benchmark]: Toolchain (without parser) took 2185.61 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 935.5 MB in the beginning and 1.0 GB in the end (delta: -91.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:51:34,739 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:51:34,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 525.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 935.5 MB in the beginning and 1.0 GB in the end (delta: -91.6 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-12-07 12:51:34,740 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 12:51:34,741 INFO L168 Benchmark]: Boogie Preprocessor took 19.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:51:34,741 INFO L168 Benchmark]: RCFGBuilder took 226.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 993.4 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2019-12-07 12:51:34,741 INFO L168 Benchmark]: TraceAbstraction took 1369.74 ms. Allocated memory is still 1.1 GB. Free memory was 993.4 MB in the beginning and 1.0 GB in the end (delta: -33.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:51:34,742 INFO L168 Benchmark]: Witness Printer took 3.06 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:51:34,744 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 525.21 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 89.1 MB). Free memory was 935.5 MB in the beginning and 1.0 GB in the end (delta: -91.6 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.47 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 226.87 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 993.4 MB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1369.74 ms. Allocated memory is still 1.1 GB. Free memory was 993.4 MB in the beginning and 1.0 GB in the end (delta: -33.8 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 3.06 ms. Allocated memory is still 1.1 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_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 0.9s, 66 ProgramPointsBefore, 23 ProgramPointsAfterwards, 65 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 7 FixpointIterations, 27 TrivialSequentialCompositions, 20 ConcurrentSequentialCompositions, 3 TrivialYvCompositions, 8 ConcurrentYvCompositions, 2 ChoiceCompositions, 49 VarBasedMoverChecksPositive, 3 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 3 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 65 CheckedPairsTotal, 58 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, 60 locations, 1 error locations. Result: UNSAFE, OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 14 SDtfs, 8 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, 360 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 12:51:36,098 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:51:36,099 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:51:36,107 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:51:36,107 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:51:36,108 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:51:36,109 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:51:36,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:51:36,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:51:36,112 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:51:36,113 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:51:36,114 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:51:36,114 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:51:36,115 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:51:36,115 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:51:36,116 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:51:36,117 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:51:36,117 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:51:36,119 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:51:36,120 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:51:36,121 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:51:36,122 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:51:36,123 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:51:36,124 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:51:36,125 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:51:36,126 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:51:36,126 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:51:36,126 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:51:36,127 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:51:36,127 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:51:36,128 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:51:36,128 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:51:36,128 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:51:36,129 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:51:36,130 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:51:36,130 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:51:36,130 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:51:36,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:51:36,131 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:51:36,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:51:36,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:51:36,132 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2019-12-07 12:51:36,142 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:51:36,142 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:51:36,143 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-07 12:51:36,143 INFO L138 SettingsManager]: * User list type=DISABLED [2019-12-07 12:51:36,143 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-12-07 12:51:36,143 INFO L138 SettingsManager]: * Explicit value domain=true [2019-12-07 12:51:36,143 INFO L138 SettingsManager]: * Octagon Domain=false [2019-12-07 12:51:36,144 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-12-07 12:51:36,144 INFO L138 SettingsManager]: * Interval Domain=false [2019-12-07 12:51:36,144 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:51:36,144 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:51:36,144 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:51:36,145 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:51:36,145 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:51:36,145 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:51:36,145 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:51:36,145 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2019-12-07 12:51:36,145 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-12-07 12:51:36,145 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-12-07 12:51:36,146 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:51:36,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:51:36,146 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:51:36,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:51:36,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:51:36,146 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:51:36,146 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:51:36,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:51:36,147 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:51:36,147 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:51:36,147 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:51:36,147 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:51:36,147 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-12-07 12:51:36,147 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-12-07 12:51:36,148 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:51:36,148 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:51:36,148 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-07 12:51:36,148 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_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62a3adf163f0436d6a570493ab3486b362f3c38f [2019-12-07 12:51:36,320 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:51:36,330 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:51:36,333 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:51:36,334 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:51:36,334 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:51:36,335 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/../../sv-benchmarks/c/pthread/bigshot_s2.i [2019-12-07 12:51:36,378 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/data/c484006fc/bf28b131a92648a4bc89239de11212db/FLAG3a91de368 [2019-12-07 12:51:36,862 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:51:36,863 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/sv-benchmarks/c/pthread/bigshot_s2.i [2019-12-07 12:51:36,874 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/data/c484006fc/bf28b131a92648a4bc89239de11212db/FLAG3a91de368 [2019-12-07 12:51:36,883 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/data/c484006fc/bf28b131a92648a4bc89239de11212db [2019-12-07 12:51:36,885 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:51:36,886 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:51:36,887 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:51:36,887 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:51:36,889 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:51:36,890 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:51:36" (1/1) ... [2019-12-07 12:51:36,891 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59c76d09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:36, skipping insertion in model container [2019-12-07 12:51:36,891 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:51:36" (1/1) ... [2019-12-07 12:51:36,896 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:51:36,924 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:51:37,223 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:51:37,234 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:51:37,263 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:51:37,382 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:51:37,382 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:37 WrapperNode [2019-12-07 12:51:37,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:51:37,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:51:37,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:51:37,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:51:37,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:37" (1/1) ... [2019-12-07 12:51:37,405 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:37" (1/1) ... [2019-12-07 12:51:37,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:51:37,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:51:37,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:51:37,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:51:37,427 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:37" (1/1) ... [2019-12-07 12:51:37,427 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:37" (1/1) ... [2019-12-07 12:51:37,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:37" (1/1) ... [2019-12-07 12:51:37,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:37" (1/1) ... [2019-12-07 12:51:37,437 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:37" (1/1) ... [2019-12-07 12:51:37,439 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:37" (1/1) ... [2019-12-07 12:51:37,442 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:37" (1/1) ... [2019-12-07 12:51:37,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:51:37,445 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:51:37,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:51:37,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:51:37,446 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:51:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-12-07 12:51:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-12-07 12:51:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-07 12:51:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-07 12:51:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-12-07 12:51:37,488 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-07 12:51:37,488 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-07 12:51:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2019-12-07 12:51:37,489 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2019-12-07 12:51:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE1 [2019-12-07 12:51:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-12-07 12:51:37,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:51:37,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:51:37,490 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 12:51:37,695 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:51:37,695 INFO L287 CfgBuilder]: Removed 8 assume(true) statements. [2019-12-07 12:51:37,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:51:37 BoogieIcfgContainer [2019-12-07 12:51:37,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:51:37,697 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:51:37,697 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:51:37,699 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:51:37,699 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:51:36" (1/3) ... [2019-12-07 12:51:37,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38afc76a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:51:37, skipping insertion in model container [2019-12-07 12:51:37,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:51:37" (2/3) ... [2019-12-07 12:51:37,700 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38afc76a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 12:51:37, skipping insertion in model container [2019-12-07 12:51:37,700 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:51:37" (3/3) ... [2019-12-07 12:51:37,701 INFO L109 eAbstractionObserver]: Analyzing ICFG bigshot_s2.i [2019-12-07 12:51:37,708 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-07 12:51:37,708 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:51:37,713 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:51:37,713 INFO L339 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-07 12:51:37,732 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,732 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,732 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,732 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,732 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,733 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,733 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,733 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,733 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,733 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,734 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,734 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,734 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,734 WARN L315 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,734 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,734 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,735 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,735 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,735 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,735 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,735 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,735 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,735 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,736 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,736 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,736 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,736 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,736 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,736 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,736 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,737 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,737 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,737 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,737 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,737 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,737 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,737 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,738 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,738 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,738 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,738 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,738 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,738 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,738 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,738 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,739 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,739 WARN L315 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~strcpy~res4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-07 12:51:37,758 INFO L249 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2019-12-07 12:51:37,771 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:51:37,771 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:51:37,771 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:51:37,771 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:51:37,771 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:51:37,771 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:51:37,771 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:51:37,771 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:51:37,781 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 67 places, 66 transitions [2019-12-07 12:51:37,782 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 67 places, 66 transitions [2019-12-07 12:51:37,808 INFO L134 PetriNetUnfolder]: 4/62 cut-off events. [2019-12-07 12:51:37,808 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 12:51:37,811 INFO L76 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 62 events. 4/62 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs. 18/75 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2019-12-07 12:51:37,813 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 67 places, 66 transitions [2019-12-07 12:51:37,825 INFO L134 PetriNetUnfolder]: 4/62 cut-off events. [2019-12-07 12:51:37,825 INFO L135 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-07 12:51:37,826 INFO L76 FinitePrefix]: Finished finitePrefix Result has 71 conditions, 62 events. 4/62 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 55 event pairs. 18/75 useless extension candidates. Maximal degree in co-relation 45. Up to 2 conditions per place. [2019-12-07 12:51:37,827 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 96 [2019-12-07 12:51:37,828 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-07 12:51:39,179 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2019-12-07 12:51:39,442 INFO L206 etLargeBlockEncoding]: Checked pairs total: 67 [2019-12-07 12:51:39,442 INFO L214 etLargeBlockEncoding]: Total number of compositions: 57 [2019-12-07 12:51:39,445 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 23 places, 21 transitions [2019-12-07 12:51:39,450 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 19 states. [2019-12-07 12:51:39,452 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states. [2019-12-07 12:51:39,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-12-07 12:51:39,456 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:51:39,456 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:51:39,457 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:51:39,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:51:39,460 INFO L82 PathProgramCache]: Analyzing trace with hash 106829018, now seen corresponding path program 1 times [2019-12-07 12:51:39,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:51:39,470 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [812662362] [2019-12-07 12:51:39,471 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/mathsat Starting monitored process 2 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with mathsat -unsat_core_generation=3 [2019-12-07 12:51:39,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:51:39,545 INFO L264 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 12:51:39,548 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:51:39,563 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 12:51:39,563 INFO L329 TraceCheckSpWp]: Computing backward predicates... [2019-12-07 12:51:39,568 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 12:51:39,568 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [812662362] [2019-12-07 12:51:39,569 INFO L220 FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:51:39,569 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [] total 3 [2019-12-07 12:51:39,570 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978506030] [2019-12-07 12:51:39,573 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:51:39,573 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2019-12-07 12:51:39,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:51:39,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:51:39,584 INFO L87 Difference]: Start difference. First operand 19 states. Second operand 3 states. [2019-12-07 12:51:39,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:51:39,606 INFO L93 Difference]: Finished difference Result 19 states and 23 transitions. [2019-12-07 12:51:39,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:51:39,608 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2019-12-07 12:51:39,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:51:39,616 INFO L225 Difference]: With dead ends: 19 [2019-12-07 12:51:39,616 INFO L226 Difference]: Without dead ends: 18 [2019-12-07 12:51:39,617 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 12:51:39,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states. [2019-12-07 12:51:39,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 18. [2019-12-07 12:51:39,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2019-12-07 12:51:39,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 22 transitions. [2019-12-07 12:51:39,646 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 22 transitions. Word has length 13 [2019-12-07 12:51:39,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:51:39,646 INFO L462 AbstractCegarLoop]: Abstraction has 18 states and 22 transitions. [2019-12-07 12:51:39,646 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:51:39,646 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2019-12-07 12:51:39,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-12-07 12:51:39,647 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:51:39,647 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 12:51:39,847 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 mathsat -unsat_core_generation=3 [2019-12-07 12:51:39,848 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:51:39,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:51:39,848 INFO L82 PathProgramCache]: Analyzing trace with hash -975006788, now seen corresponding path program 1 times [2019-12-07 12:51:39,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy WALRUS [2019-12-07 12:51:39,849 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [601683867] [2019-12-07 12:51:39,849 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9a98ad6c-6fe2-4bc6-9eaa-99425d65871f/bin/utaipan/mathsat Starting monitored process 3 with mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with mathsat -unsat_core_generation=3 [2019-12-07 12:51:39,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:51:39,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 12:51:39,968 INFO L174 FreeRefinementEngine]: Strategy WALRUS found a feasible trace [2019-12-07 12:51:39,969 INFO L475 BasicCegarLoop]: Counterexample might be feasible [2019-12-07 12:51:40,170 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 mathsat -unsat_core_generation=3 [2019-12-07 12:51:40,174 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [228] [228] ULTIMATE.startENTRY-->L1103: Formula: (let ((.cse0 (store |v_#valid_52| (_ bv0 32) (_ bv0 1)))) (let ((.cse2 (store .cse0 |v_#t~string3.base_9| (_ bv1 1)))) (let ((.cse1 (store .cse2 |v_ULTIMATE.start_main_~#t1~0.base_21| (_ bv1 1)))) (and (= (select .cse0 |v_#t~string3.base_9|) (_ bv0 1)) (= (store .cse1 |v_ULTIMATE.start_main_~#t2~0.base_26| (_ bv1 1)) |v_#valid_50|) (= (_ bv0 32) |v_#NULL.offset_4|) (= roundNearestTiesToEven v_currentRoundingMode_5) (bvult |v_#StackHeapBarrier_15| |v_#t~string3.base_9|) (= (store (store (store |v_#length_28| |v_#t~string3.base_9| (_ bv8 32)) |v_ULTIMATE.start_main_~#t1~0.base_21| (_ bv4 32)) |v_ULTIMATE.start_main_~#t2~0.base_26| (_ bv4 32)) |v_#length_26|) (bvult |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t1~0.base_21|) (= (_ bv0 32) v_~v~0.offset_24) (= |v_#t~string3.offset_9| (_ bv0 32)) (= (select .cse1 |v_ULTIMATE.start_main_~#t2~0.base_26|) (_ bv0 1)) (= (select .cse2 |v_ULTIMATE.start_main_~#t1~0.base_21|) (_ bv0 1)) (= (_ bv0 32) |v_ULTIMATE.start_main_~#t2~0.offset_22|) (= (_ bv0 32) v_~v~0.base_24) (= (_ bv0 32) |v_ULTIMATE.start_main_~#t1~0.offset_17|) (bvult |v_#StackHeapBarrier_15| |v_ULTIMATE.start_main_~#t2~0.base_26|) (= |v_#memory_int_45| (store |v_#memory_int_46| |v_ULTIMATE.start_main_~#t1~0.base_21| (store (select |v_#memory_int_46| |v_ULTIMATE.start_main_~#t1~0.base_21|) |v_ULTIMATE.start_main_~#t1~0.offset_17| (_ bv0 32)))) (bvult (_ bv0 32) |v_#StackHeapBarrier_15|) (= |v_#NULL.base_4| (_ bv0 32)))))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_15|, #valid=|v_#valid_52|, #memory_int=|v_#memory_int_46|, #length=|v_#length_28|} 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_22|, #NULL.offset=|v_#NULL.offset_4|, ULTIMATE.start_main_#t~nondet7=|v_ULTIMATE.start_main_#t~nondet7_11|, ~v~0.base=v_~v~0.base_24, #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_21|, ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_18|, #StackHeapBarrier=|v_#StackHeapBarrier_15|, ULTIMATE.start_main_#t~mem8=|v_ULTIMATE.start_main_#t~mem8_18|, ~v~0.offset=v_~v~0.offset_24, ULTIMATE.start_main_#res=|v_ULTIMATE.start_main_#res_13|, #valid=|v_#valid_50|, #memory_int=|v_#memory_int_45|, #length=|v_#length_26|, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_12|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_17|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_26|, 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_~#t1~0.offset, ULTIMATE.start_main_~#t2~0.base, currentRoundingMode, #t~string3.base] because there is no mapped edge [2019-12-07 12:51:40,175 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [224] [224] thread1ENTRY-->thread1EXIT: Formula: (and (bvult |v_thread1Thread1of1ForFork0_#t~malloc2.base_6| |v_#StackHeapBarrier_14|) (= |v_#valid_48| (store |v_#valid_49| |v_thread1Thread1of1ForFork0_#t~malloc2.base_6| (_ bv1 1))) (= (_ bv0 32) |v_thread1Thread1of1ForFork0_#res.base_4|) (= (select |v_#valid_49| |v_thread1Thread1of1ForFork0_#t~malloc2.base_6|) (_ bv0 1)) (= |v_thread1Thread1of1ForFork0_#t~malloc2.base_6| v_~v~0.base_21) (= |v_#length_24| (store |v_#length_25| |v_thread1Thread1of1ForFork0_#t~malloc2.base_6| (_ bv8 32))) (= |v_thread1Thread1of1ForFork0_#t~malloc2.offset_6| (_ bv0 32)) (= v_thread1Thread1of1ForFork0_~arg.offset_3 |v_thread1Thread1of1ForFork0_#in~arg.offset_5|) (= v_thread1Thread1of1ForFork0_~arg.base_3 |v_thread1Thread1of1ForFork0_#in~arg.base_5|) (= |v_thread1Thread1of1ForFork0_#t~malloc2.offset_6| v_~v~0.offset_21) (= (_ bv0 32) |v_thread1Thread1of1ForFork0_#res.offset_4|) (not (= |v_thread1Thread1of1ForFork0_#t~malloc2.base_6| (_ bv0 32)))) InVars {#StackHeapBarrier=|v_#StackHeapBarrier_14|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_5|, #valid=|v_#valid_49|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_5|, #length=|v_#length_25|} OutVars{thread1Thread1of1ForFork0_#t~malloc2.base=|v_thread1Thread1of1ForFork0_#t~malloc2.base_6|, thread1Thread1of1ForFork0_#t~malloc2.offset=|v_thread1Thread1of1ForFork0_#t~malloc2.offset_6|, thread1Thread1of1ForFork0_#in~arg.base=|v_thread1Thread1of1ForFork0_#in~arg.base_5|, thread1Thread1of1ForFork0_#res.base=|v_thread1Thread1of1ForFork0_#res.base_4|, thread1Thread1of1ForFork0_~arg.offset=v_thread1Thread1of1ForFork0_~arg.offset_3, thread1Thread1of1ForFork0_#res.offset=|v_thread1Thread1of1ForFork0_#res.offset_4|, ~v~0.base=v_~v~0.base_21, #StackHeapBarrier=|v_#StackHeapBarrier_14|, ~v~0.offset=v_~v~0.offset_21, thread1Thread1of1ForFork0_~arg.base=v_thread1Thread1of1ForFork0_~arg.base_3, #valid=|v_#valid_48|, thread1Thread1of1ForFork0_#in~arg.offset=|v_thread1Thread1of1ForFork0_#in~arg.offset_5|, #length=|v_#length_24|} 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 12:51:40,176 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [189] [189] L1103-1-->L1104-1: Formula: (= (select (select |v_#memory_int_21| |v_ULTIMATE.start_main_~#t1~0.base_9|) |v_ULTIMATE.start_main_~#t1~0.offset_8|) |v_ULTIMATE.start_main_#t~mem6_8|) InVars {ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_9|, #memory_int=|v_#memory_int_21|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_8|} OutVars{ULTIMATE.start_main_~#t1~0.base=|v_ULTIMATE.start_main_~#t1~0.base_9|, ULTIMATE.start_main_#t~nondet5=|v_ULTIMATE.start_main_#t~nondet5_3|, #memory_int=|v_#memory_int_21|, ULTIMATE.start_main_#t~mem6=|v_ULTIMATE.start_main_#t~mem6_8|, ULTIMATE.start_main_~#t1~0.offset=|v_ULTIMATE.start_main_~#t1~0.offset_8|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~nondet5, ULTIMATE.start_main_#t~mem6] because there is no mapped edge [2019-12-07 12:51:40,177 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [200] [200] L1105-2-->L1106-1: Formula: (= (select (select |v_#memory_int_23| |v_ULTIMATE.start_main_~#t2~0.base_12|) |v_ULTIMATE.start_main_~#t2~0.offset_11|) |v_ULTIMATE.start_main_#t~mem8_11|) InVars {ULTIMATE.start_main_~#t2~0.offset=|v_ULTIMATE.start_main_~#t2~0.offset_11|, #memory_int=|v_#memory_int_23|, ULTIMATE.start_main_~#t2~0.base=|v_ULTIMATE.start_main_~#t2~0.base_12|} 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_11|, #memory_int=|v_#memory_int_23|, 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_12|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem8, ULTIMATE.start_main_#t~nondet7] because there is no mapped edge [2019-12-07 12:51:40,177 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [223] [223] thread2ENTRY-->L-1-6: Formula: (and (= (_ bv0 32) |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11_19|) (= |v_thread2Thread1of1ForFork1_#in~arg.offset_8| v_thread2Thread1of1ForFork1_~arg.offset_6) (= |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_17| v_~v~0.base_20) (= v_~v~0.offset_20 |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_17|) (= |v_#t~string3.base_8| |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_10|) (= |v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_10| |v_#t~string3.offset_8|) (or (not (= (_ bv0 32) v_~v~0.base_20)) (not (= (_ bv0 32) v_~v~0.offset_20))) (= v_thread2Thread1of1ForFork1_~arg.base_6 |v_thread2Thread1of1ForFork1_#in~arg.base_8|)) InVars {thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_8|, ~v~0.offset=v_~v~0.offset_20, thread2Thread1of1ForFork1_#in~arg.base=|v_thread2Thread1of1ForFork1_#in~arg.base_8|, ~v~0.base=v_~v~0.base_20, #t~string3.base=|v_#t~string3.base_8|, #t~string3.offset=|v_#t~string3.offset_8|} 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~offset11=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11_19|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_10|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_17|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_10|, ~v~0.base=v_~v~0.base_20, #t~string3.offset=|v_#t~string3.offset_8|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_17|, thread2Thread1of1ForFork1_#in~arg.offset=|v_thread2Thread1of1ForFork1_#in~arg.offset_8|, ~v~0.offset=v_~v~0.offset_20, 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~mem12=|v_thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12_17|, #t~string3.base=|v_#t~string3.base_8|} AuxVars[] AssignedVars[thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base, thread2Thread1of1ForFork1_~arg.base, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11, thread2Thread1of1ForFork1_~arg.offset, 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~mem12] because there is no mapped edge [2019-12-07 12:51:40,178 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [233] [233] L-1-6-->thread2EXIT: Formula: (and (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In670174800| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In670174800|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In670174800| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In670174800|) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12_Out670174800| ((_ extract 7 0) (select (select |#memory_int_In670174800| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In670174800|) (bvadd |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11_In670174800| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In670174800|)))) (= |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12_Out670174800| (_ bv0 8)) (= |thread2Thread1of1ForFork1_#res.base_Out670174800| (_ bv0 32)) (= (_ bv0 32) |thread2Thread1of1ForFork1_#res.offset_Out670174800|) (= (store |#memory_int_In670174800| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In670174800| (store (select |#memory_int_In670174800| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In670174800|) (bvadd |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11_In670174800| |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In670174800|) ((_ sign_extend 24) |thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12_Out670174800|))) |#memory_int_Out670174800|)) InVars {thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In670174800|, #memory_int=|#memory_int_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In670174800|} OutVars{thread2Thread1of1ForFork1_#res.offset=|thread2Thread1of1ForFork1_#res.offset_Out670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.base_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~offset11_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.offset_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.offset_In670174800|, thread2Thread1of1ForFork1_#t~strcpy~res4.offset=|thread2Thread1of1ForFork1_#t~strcpy~res4.offset_Out670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#res.base_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_dest.base_In670174800|, thread2Thread1of1ForFork1_#res.base=|thread2Thread1of1ForFork1_#res.base_Out670174800|, thread2Thread1of1ForFork1_#t~strcpy~res4.base=|thread2Thread1of1ForFork1_#t~strcpy~res4.base_Out670174800|, #memory_int=|#memory_int_Out670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_src.offset_In670174800|, thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12=|thread2Thread1of1ForFork1_#Ultimate.C_strcpy_#t~mem12_Out670174800|} 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~mem12] because there is no mapped edge [2019-12-07 12:51:40,179 WARN L123 codingBacktranslator]: Skipped backtranslation of ATE [225] [225] L1107-->ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION: Formula: (and (= (_ bv0 32) v_ULTIMATE.start___VERIFIER_assert_~expression_12) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6| v_ULTIMATE.start___VERIFIER_assert_~expression_12) (= |v_ULTIMATE.start___VERIFIER_assert_#in~expression_6| (ite (= (_ bv66 32) ((_ sign_extend 24) |v_ULTIMATE.start_main_#t~mem9_16|)) (_ bv1 32) (_ bv0 32))) (= ((_ extract 7 0) (select (select |v_#memory_int_37| v_~v~0.base_22) v_~v~0.offset_22)) |v_ULTIMATE.start_main_#t~mem9_16|)) InVars {~v~0.offset=v_~v~0.offset_22, #memory_int=|v_#memory_int_37|, ~v~0.base=v_~v~0.base_22} OutVars{ULTIMATE.start_main_#t~mem9=|v_ULTIMATE.start_main_#t~mem9_16|, ULTIMATE.start___VERIFIER_assert_~expression=v_ULTIMATE.start___VERIFIER_assert_~expression_12, ~v~0.offset=v_~v~0.offset_22, #memory_int=|v_#memory_int_37|, ~v~0.base=v_~v~0.base_22, ULTIMATE.start___VERIFIER_assert_#in~expression=|v_ULTIMATE.start___VERIFIER_assert_#in~expression_6|} AuxVars[] AssignedVars[ULTIMATE.start_main_#t~mem9, ULTIMATE.start___VERIFIER_assert_~expression, ULTIMATE.start___VERIFIER_assert_#in~expression] because there is no mapped edge [2019-12-07 12:51:40,190 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 12:51:40,191 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 12:51:40,191 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 12:51:40,192 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 12:51:40,192 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 12:51:40,193 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 12:51:40,193 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 12:51:40,194 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled [2019-12-07 12:51:40,194 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 12:51:40,194 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 12:51:40,195 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled [2019-12-07 12:51:40,195 WARN L417 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled [2019-12-07 12:51:40,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:51:40 BasicIcfg [2019-12-07 12:51:40,211 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:51:40,212 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:51:40,212 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:51:40,212 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:51:40,213 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:51:37" (3/4) ... [2019-12-07 12:51:40,216 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 12:51:40,216 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:51:40,217 INFO L168 Benchmark]: Toolchain (without parser) took 3331.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.3 MB). Free memory was 948.4 MB in the beginning and 1.2 GB in the end (delta: -226.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:51:40,218 INFO L168 Benchmark]: CDTParser took 0.17 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 12:51:40,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -108.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:51:40,219 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.82 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: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:51:40,219 INFO L168 Benchmark]: Boogie Preprocessor took 23.93 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 12:51:40,219 INFO L168 Benchmark]: RCFGBuilder took 251.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. [2019-12-07 12:51:40,220 INFO L168 Benchmark]: TraceAbstraction took 2514.33 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -153.1 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:51:40,220 INFO L168 Benchmark]: Witness Printer took 4.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:51:40,222 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 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 495.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 123.2 MB). Free memory was 948.4 MB in the beginning and 1.1 GB in the end (delta: -108.9 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.82 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: 8.5 MB). Peak memory consumption was 8.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.93 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. * RCFGBuilder took 251.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.7 MB). Peak memory consumption was 26.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2514.33 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 78.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -153.1 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 4.28 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 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_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_dest : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.C_strcpy_src : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 1.6s, 67 ProgramPointsBefore, 23 ProgramPointsAfterwards, 66 TransitionsBefore, 21 TransitionsAfterwards, 96 CoEnabledTransitionPairs, 6 FixpointIterations, 23 TrivialSequentialCompositions, 22 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 6 ConcurrentYvCompositions, 2 ChoiceCompositions, 48 VarBasedMoverChecksPositive, 4 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 4 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 67 CheckedPairsTotal, 57 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, 61 locations, 1 error locations. Result: UNSAFE, OverallTime: 2.4s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 14 SDtfs, 7 SDslu, 2 SDs, 0 SdLazy, 4 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s 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, 792 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...