./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/pthread-memsafety/list1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-memsafety/list1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e41652bc5d5e6ecf5f01d273023c8e2664e3cb5e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/pthread-memsafety/list1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash e41652bc5d5e6ecf5f01d273023c8e2664e3cb5e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort FloatRoundingMode not declared --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:27:10,285 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:27:10,287 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:27:10,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:27:10,296 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:27:10,296 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:27:10,297 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:27:10,299 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:27:10,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:27:10,301 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:27:10,302 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:27:10,303 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:27:10,303 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:27:10,304 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:27:10,305 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:27:10,306 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:27:10,306 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:27:10,307 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:27:10,308 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:27:10,310 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:27:10,311 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:27:10,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:27:10,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:27:10,315 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:27:10,317 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:27:10,317 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:27:10,317 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:27:10,318 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:27:10,318 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:27:10,319 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:27:10,320 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:27:10,320 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:27:10,321 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:27:10,322 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:27:10,323 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:27:10,323 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:27:10,324 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:27:10,324 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:27:10,324 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:27:10,325 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:27:10,326 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:27:10,327 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-10-22 11:27:10,338 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:27:10,338 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:27:10,339 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:27:10,339 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:27:10,339 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:27:10,339 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:27:10,339 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:27:10,340 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:27:10,340 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:27:10,340 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:27:10,340 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:27:10,340 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:27:10,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:27:10,341 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:27:10,341 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:27:10,341 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:27:10,341 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:27:10,341 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:27:10,342 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:27:10,342 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:27:10,342 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:27:10,342 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:27:10,342 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:27:10,342 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:27:10,342 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:27:10,343 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:27:10,343 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:27:10,343 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:27:10,343 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:27:10,343 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:10,343 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:27:10,343 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:27:10,344 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:27:10,344 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:27:10,344 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:27:10,344 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/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> e41652bc5d5e6ecf5f01d273023c8e2664e3cb5e [2019-10-22 11:27:10,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:27:10,377 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:27:10,380 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:27:10,381 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:27:10,381 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:27:10,382 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/../../sv-benchmarks/c/pthread-memsafety/list1.i [2019-10-22 11:27:10,429 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/data/e4b322d4e/f4f1a5828aa74cc5a917c104df28921c/FLAGa121cd4dc [2019-10-22 11:27:10,890 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:27:10,890 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/sv-benchmarks/c/pthread-memsafety/list1.i [2019-10-22 11:27:10,904 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/data/e4b322d4e/f4f1a5828aa74cc5a917c104df28921c/FLAGa121cd4dc [2019-10-22 11:27:11,401 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/data/e4b322d4e/f4f1a5828aa74cc5a917c104df28921c [2019-10-22 11:27:11,404 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:27:11,404 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:27:11,410 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:11,410 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:27:11,413 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:27:11,414 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:11" (1/1) ... [2019-10-22 11:27:11,417 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2de4a8a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:11, skipping insertion in model container [2019-10-22 11:27:11,417 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:11" (1/1) ... [2019-10-22 11:27:11,424 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:27:11,479 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:27:11,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:11,975 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:27:12,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:12,130 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:27:12,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:12 WrapperNode [2019-10-22 11:27:12,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:12,132 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:12,132 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:27:12,132 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:27:12,140 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:12" (1/1) ... [2019-10-22 11:27:12,159 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:12" (1/1) ... [2019-10-22 11:27:12,191 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:12,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:27:12,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:27:12,194 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:27:12,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:12" (1/1) ... [2019-10-22 11:27:12,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:12" (1/1) ... [2019-10-22 11:27:12,213 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:12" (1/1) ... [2019-10-22 11:27:12,214 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:12" (1/1) ... [2019-10-22 11:27:12,224 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:12" (1/1) ... [2019-10-22 11:27:12,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:12" (1/1) ... [2019-10-22 11:27:12,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:12" (1/1) ... [2019-10-22 11:27:12,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:27:12,246 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:27:12,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:27:12,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:27:12,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/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 [2019-10-22 11:27:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:27:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:27:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:27:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 11:27:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:27:12,310 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:27:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:27:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:27:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure delete [2019-10-22 11:27:12,311 INFO L138 BoogieDeclarations]: Found implementation of procedure delete [2019-10-22 11:27:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure build [2019-10-22 11:27:12,311 INFO L138 BoogieDeclarations]: Found implementation of procedure build [2019-10-22 11:27:12,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:27:12,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:27:12,315 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 11:27:12,801 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:27:12,802 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 11:27:12,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:12 BoogieIcfgContainer [2019-10-22 11:27:12,803 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:27:12,804 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:27:12,804 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:27:12,807 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:27:12,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:27:11" (1/3) ... [2019-10-22 11:27:12,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6170935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:12, skipping insertion in model container [2019-10-22 11:27:12,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:12" (2/3) ... [2019-10-22 11:27:12,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6170935 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:12, skipping insertion in model container [2019-10-22 11:27:12,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:12" (3/3) ... [2019-10-22 11:27:12,810 INFO L109 eAbstractionObserver]: Analyzing ICFG list1.i [2019-10-22 11:27:12,989 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_#in~plist.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,994 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_#in~plist.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,994 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,994 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,994 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_~#list~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,994 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_~#list~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,995 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_~#list~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,995 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_~#list~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,995 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,995 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,995 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_~#list~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,995 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_~#list~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,995 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#in~plist.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,996 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#in~plist.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,996 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,996 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~ite8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,996 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,996 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,996 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,996 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~ite8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,996 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,997 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,997 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,997 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,997 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,997 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,997 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,997 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,997 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,998 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,998 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,998 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,998 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,998 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,998 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#in~plist.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,998 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#in~plist.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,998 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,999 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,999 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,999 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,999 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,999 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,999 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:12,999 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,002 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,002 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,002 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,002 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,002 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,003 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,003 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,003 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,003 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,003 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,003 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,004 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,004 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,004 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,004 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,004 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,004 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,004 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,005 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,005 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,005 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,005 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,005 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,005 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,006 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,006 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,006 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,006 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,006 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,006 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,006 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,007 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,007 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,007 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,007 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,007 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,007 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,009 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,010 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,010 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,010 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,010 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,010 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,011 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,012 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,012 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~ite8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,012 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~ite8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,012 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,012 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,013 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~ite8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,013 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~ite8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,013 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,013 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~ite8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,013 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~ite8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,013 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,014 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,014 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,014 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,014 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~ite8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,014 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~ite8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,014 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,014 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,015 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,015 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,015 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,015 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,015 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,015 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,015 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,015 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,018 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,018 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,019 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,019 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,019 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,019 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,019 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,020 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,021 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#in~plist.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,022 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#in~plist.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,022 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,022 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,022 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,023 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,023 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,023 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,023 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,023 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,023 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,024 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,024 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,024 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,024 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,024 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,024 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,024 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,025 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,025 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,025 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,025 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,025 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,026 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,026 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,026 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~next~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,027 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~next~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,027 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,027 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,027 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,032 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,032 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,032 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,032 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,032 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,033 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,033 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,033 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,033 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,033 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,033 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~next~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,033 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~next~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,034 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,034 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,034 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,034 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,034 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,035 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,035 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,035 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,035 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,035 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,035 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,036 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,036 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,036 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,041 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,041 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,041 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,042 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,042 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,042 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,042 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,042 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,042 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,043 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,043 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,043 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~next~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,043 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~next~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,043 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,043 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,044 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,044 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,044 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,044 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,044 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,044 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,045 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,045 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~next~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,045 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~next~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,045 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,045 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:13,062 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:27:13,070 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 67 error locations. [2019-10-22 11:27:13,087 INFO L249 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2019-10-22 11:27:13,111 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:27:13,112 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:27:13,113 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:27:13,113 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:27:13,113 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:27:13,113 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:27:13,114 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:27:13,114 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:27:13,132 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 131 places, 136 transitions [2019-10-22 11:27:13,165 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 477 states. [2019-10-22 11:27:13,167 INFO L276 IsEmpty]: Start isEmpty. Operand 477 states. [2019-10-22 11:27:13,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 11:27:13,174 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:13,174 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:13,178 INFO L410 AbstractCegarLoop]: === Iteration 1 === [deleteErr3REQUIRES_VIOLATION, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr0REQUIRES_VIOLATION, deleteErr11REQUIRES_VIOLATION, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr1REQUIRES_VIOLATION, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr11REQUIRES_VIOLATION, deleteErr0REQUIRES_VIOLATION, deleteErr1REQUIRES_VIOLATION, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr3REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-10-22 11:27:13,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:13,184 INFO L82 PathProgramCache]: Analyzing trace with hash 1273709537, now seen corresponding path program 1 times [2019-10-22 11:27:13,192 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:13,192 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622564758] [2019-10-22 11:27:13,192 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:13,192 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:13,193 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:13,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:13,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:13,382 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622564758] [2019-10-22 11:27:13,383 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:13,383 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:27:13,384 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [424944274] [2019-10-22 11:27:13,388 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:27:13,389 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:13,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:27:13,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:27:13,406 INFO L87 Difference]: Start difference. First operand 477 states. Second operand 4 states. [2019-10-22 11:27:13,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:13,600 INFO L93 Difference]: Finished difference Result 468 states and 808 transitions. [2019-10-22 11:27:13,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:27:13,601 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2019-10-22 11:27:13,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:13,616 INFO L225 Difference]: With dead ends: 468 [2019-10-22 11:27:13,616 INFO L226 Difference]: Without dead ends: 464 [2019-10-22 11:27:13,618 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:27:13,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2019-10-22 11:27:13,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 381. [2019-10-22 11:27:13,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2019-10-22 11:27:13,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 656 transitions. [2019-10-22 11:27:13,717 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 656 transitions. Word has length 12 [2019-10-22 11:27:13,717 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:13,717 INFO L462 AbstractCegarLoop]: Abstraction has 381 states and 656 transitions. [2019-10-22 11:27:13,718 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:27:13,718 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 656 transitions. [2019-10-22 11:27:13,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:27:13,718 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:13,718 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:13,719 INFO L410 AbstractCegarLoop]: === Iteration 2 === [deleteErr3REQUIRES_VIOLATION, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr0REQUIRES_VIOLATION, deleteErr11REQUIRES_VIOLATION, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr1REQUIRES_VIOLATION, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr11REQUIRES_VIOLATION, deleteErr0REQUIRES_VIOLATION, deleteErr1REQUIRES_VIOLATION, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr3REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-10-22 11:27:13,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:13,719 INFO L82 PathProgramCache]: Analyzing trace with hash -289083416, now seen corresponding path program 1 times [2019-10-22 11:27:13,719 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:13,721 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570716570] [2019-10-22 11:27:13,721 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:13,721 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:13,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:13,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:13,853 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:13,853 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570716570] [2019-10-22 11:27:13,854 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:13,854 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:27:13,854 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1983939370] [2019-10-22 11:27:13,856 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:27:13,856 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:13,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:27:13,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:13,857 INFO L87 Difference]: Start difference. First operand 381 states and 656 transitions. Second operand 5 states. [2019-10-22 11:27:14,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:14,029 INFO L93 Difference]: Finished difference Result 464 states and 804 transitions. [2019-10-22 11:27:14,030 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:27:14,030 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2019-10-22 11:27:14,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:14,032 INFO L225 Difference]: With dead ends: 464 [2019-10-22 11:27:14,033 INFO L226 Difference]: Without dead ends: 464 [2019-10-22 11:27:14,033 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:27:14,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2019-10-22 11:27:14,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 375. [2019-10-22 11:27:14,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2019-10-22 11:27:14,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 646 transitions. [2019-10-22 11:27:14,054 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 646 transitions. Word has length 22 [2019-10-22 11:27:14,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:14,054 INFO L462 AbstractCegarLoop]: Abstraction has 375 states and 646 transitions. [2019-10-22 11:27:14,054 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:27:14,055 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 646 transitions. [2019-10-22 11:27:14,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:27:14,055 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:14,055 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:14,056 INFO L410 AbstractCegarLoop]: === Iteration 3 === [deleteErr3REQUIRES_VIOLATION, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr0REQUIRES_VIOLATION, deleteErr11REQUIRES_VIOLATION, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr1REQUIRES_VIOLATION, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr11REQUIRES_VIOLATION, deleteErr0REQUIRES_VIOLATION, deleteErr1REQUIRES_VIOLATION, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr3REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-10-22 11:27:14,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:14,056 INFO L82 PathProgramCache]: Analyzing trace with hash -289083415, now seen corresponding path program 1 times [2019-10-22 11:27:14,056 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:14,057 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1855993067] [2019-10-22 11:27:14,057 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:14,057 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:14,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:14,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:14,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:14,157 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1855993067] [2019-10-22 11:27:14,157 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:14,158 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:27:14,158 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [58860427] [2019-10-22 11:27:14,158 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:27:14,158 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:14,159 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:27:14,159 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:27:14,159 INFO L87 Difference]: Start difference. First operand 375 states and 646 transitions. Second operand 6 states. [2019-10-22 11:27:14,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:14,378 INFO L93 Difference]: Finished difference Result 458 states and 794 transitions. [2019-10-22 11:27:14,378 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:27:14,378 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-10-22 11:27:14,378 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:14,380 INFO L225 Difference]: With dead ends: 458 [2019-10-22 11:27:14,380 INFO L226 Difference]: Without dead ends: 458 [2019-10-22 11:27:14,381 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:27:14,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 458 states. [2019-10-22 11:27:14,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 458 to 369. [2019-10-22 11:27:14,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2019-10-22 11:27:14,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 636 transitions. [2019-10-22 11:27:14,396 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 636 transitions. Word has length 22 [2019-10-22 11:27:14,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:14,396 INFO L462 AbstractCegarLoop]: Abstraction has 369 states and 636 transitions. [2019-10-22 11:27:14,396 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:27:14,397 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 636 transitions. [2019-10-22 11:27:14,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:27:14,397 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:14,397 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:14,398 INFO L410 AbstractCegarLoop]: === Iteration 4 === [deleteErr3REQUIRES_VIOLATION, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr0REQUIRES_VIOLATION, deleteErr11REQUIRES_VIOLATION, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr1REQUIRES_VIOLATION, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr11REQUIRES_VIOLATION, deleteErr0REQUIRES_VIOLATION, deleteErr1REQUIRES_VIOLATION, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr3REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-10-22 11:27:14,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:14,398 INFO L82 PathProgramCache]: Analyzing trace with hash -371651024, now seen corresponding path program 1 times [2019-10-22 11:27:14,398 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:14,399 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615882473] [2019-10-22 11:27:14,399 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:14,399 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:14,399 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:14,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:14,489 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:14,489 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615882473] [2019-10-22 11:27:14,490 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:14,490 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:27:14,490 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149159140] [2019-10-22 11:27:14,490 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:27:14,490 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:14,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:27:14,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:27:14,491 INFO L87 Difference]: Start difference. First operand 369 states and 636 transitions. Second operand 4 states. [2019-10-22 11:27:14,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:14,640 INFO L93 Difference]: Finished difference Result 446 states and 774 transitions. [2019-10-22 11:27:14,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:27:14,648 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2019-10-22 11:27:14,648 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:14,649 INFO L225 Difference]: With dead ends: 446 [2019-10-22 11:27:14,649 INFO L226 Difference]: Without dead ends: 446 [2019-10-22 11:27:14,650 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:14,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2019-10-22 11:27:14,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 357. [2019-10-22 11:27:14,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2019-10-22 11:27:14,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 616 transitions. [2019-10-22 11:27:14,661 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 616 transitions. Word has length 23 [2019-10-22 11:27:14,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:14,662 INFO L462 AbstractCegarLoop]: Abstraction has 357 states and 616 transitions. [2019-10-22 11:27:14,662 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:27:14,662 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 616 transitions. [2019-10-22 11:27:14,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:27:14,663 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:14,663 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:14,663 INFO L410 AbstractCegarLoop]: === Iteration 5 === [deleteErr3REQUIRES_VIOLATION, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr0REQUIRES_VIOLATION, deleteErr11REQUIRES_VIOLATION, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr1REQUIRES_VIOLATION, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr11REQUIRES_VIOLATION, deleteErr0REQUIRES_VIOLATION, deleteErr1REQUIRES_VIOLATION, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr3REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-10-22 11:27:14,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:14,663 INFO L82 PathProgramCache]: Analyzing trace with hash -371651023, now seen corresponding path program 1 times [2019-10-22 11:27:14,664 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:14,664 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442117881] [2019-10-22 11:27:14,664 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:14,664 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:14,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:14,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:14,740 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442117881] [2019-10-22 11:27:14,740 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:14,740 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:27:14,740 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679294571] [2019-10-22 11:27:14,740 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:27:14,741 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:14,741 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:27:14,741 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:27:14,741 INFO L87 Difference]: Start difference. First operand 357 states and 616 transitions. Second operand 4 states. [2019-10-22 11:27:14,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:14,820 INFO L93 Difference]: Finished difference Result 351 states and 606 transitions. [2019-10-22 11:27:14,821 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:27:14,821 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 23 [2019-10-22 11:27:14,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:14,824 INFO L225 Difference]: With dead ends: 351 [2019-10-22 11:27:14,824 INFO L226 Difference]: Without dead ends: 351 [2019-10-22 11:27:14,824 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:14,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 351 states. [2019-10-22 11:27:14,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 351 to 345. [2019-10-22 11:27:14,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2019-10-22 11:27:14,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 596 transitions. [2019-10-22 11:27:14,841 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 596 transitions. Word has length 23 [2019-10-22 11:27:14,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:14,841 INFO L462 AbstractCegarLoop]: Abstraction has 345 states and 596 transitions. [2019-10-22 11:27:14,841 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:27:14,841 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 596 transitions. [2019-10-22 11:27:14,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-10-22 11:27:14,842 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:14,842 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:14,843 INFO L410 AbstractCegarLoop]: === Iteration 6 === [deleteErr3REQUIRES_VIOLATION, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr0REQUIRES_VIOLATION, deleteErr11REQUIRES_VIOLATION, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr1REQUIRES_VIOLATION, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr11REQUIRES_VIOLATION, deleteErr0REQUIRES_VIOLATION, deleteErr1REQUIRES_VIOLATION, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr3REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-10-22 11:27:14,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:14,844 INFO L82 PathProgramCache]: Analyzing trace with hash -1683898798, now seen corresponding path program 1 times [2019-10-22 11:27:14,844 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:14,844 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1378067129] [2019-10-22 11:27:14,844 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:14,845 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:14,845 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:14,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:15,038 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:15,038 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1378067129] [2019-10-22 11:27:15,039 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:15,039 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-22 11:27:15,039 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566521618] [2019-10-22 11:27:15,039 INFO L442 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-10-22 11:27:15,039 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:15,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-10-22 11:27:15,040 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:27:15,040 INFO L87 Difference]: Start difference. First operand 345 states and 596 transitions. Second operand 11 states. [2019-10-22 11:27:15,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:15,518 INFO L93 Difference]: Finished difference Result 414 states and 711 transitions. [2019-10-22 11:27:15,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-22 11:27:15,518 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 28 [2019-10-22 11:27:15,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:15,520 INFO L225 Difference]: With dead ends: 414 [2019-10-22 11:27:15,520 INFO L226 Difference]: Without dead ends: 414 [2019-10-22 11:27:15,521 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=152, Invalid=354, Unknown=0, NotChecked=0, Total=506 [2019-10-22 11:27:15,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2019-10-22 11:27:15,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 375. [2019-10-22 11:27:15,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2019-10-22 11:27:15,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 646 transitions. [2019-10-22 11:27:15,531 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 646 transitions. Word has length 28 [2019-10-22 11:27:15,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:15,533 INFO L462 AbstractCegarLoop]: Abstraction has 375 states and 646 transitions. [2019-10-22 11:27:15,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-10-22 11:27:15,534 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 646 transitions. [2019-10-22 11:27:15,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 11:27:15,535 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:15,535 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:15,535 INFO L410 AbstractCegarLoop]: === Iteration 7 === [deleteErr3REQUIRES_VIOLATION, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr0REQUIRES_VIOLATION, deleteErr11REQUIRES_VIOLATION, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr1REQUIRES_VIOLATION, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr11REQUIRES_VIOLATION, deleteErr0REQUIRES_VIOLATION, deleteErr1REQUIRES_VIOLATION, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr3REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-10-22 11:27:15,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:15,536 INFO L82 PathProgramCache]: Analyzing trace with hash -71473827, now seen corresponding path program 1 times [2019-10-22 11:27:15,536 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:15,536 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651561308] [2019-10-22 11:27:15,536 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:15,536 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:15,536 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:15,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:15,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:15,742 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651561308] [2019-10-22 11:27:15,742 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:15,742 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 11:27:15,743 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886081253] [2019-10-22 11:27:15,743 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:27:15,743 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:15,743 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:27:15,743 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:27:15,744 INFO L87 Difference]: Start difference. First operand 375 states and 646 transitions. Second operand 9 states. [2019-10-22 11:27:15,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:15,881 INFO L93 Difference]: Finished difference Result 433 states and 734 transitions. [2019-10-22 11:27:15,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:15,881 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 44 [2019-10-22 11:27:15,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:15,883 INFO L225 Difference]: With dead ends: 433 [2019-10-22 11:27:15,883 INFO L226 Difference]: Without dead ends: 433 [2019-10-22 11:27:15,883 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:27:15,885 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2019-10-22 11:27:15,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 388. [2019-10-22 11:27:15,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 388 states. [2019-10-22 11:27:15,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 388 states and 688 transitions. [2019-10-22 11:27:15,893 INFO L78 Accepts]: Start accepts. Automaton has 388 states and 688 transitions. Word has length 44 [2019-10-22 11:27:15,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:15,894 INFO L462 AbstractCegarLoop]: Abstraction has 388 states and 688 transitions. [2019-10-22 11:27:15,894 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:27:15,894 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 688 transitions. [2019-10-22 11:27:15,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2019-10-22 11:27:15,895 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:15,895 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:15,895 INFO L410 AbstractCegarLoop]: === Iteration 8 === [deleteErr3REQUIRES_VIOLATION, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr0REQUIRES_VIOLATION, deleteErr11REQUIRES_VIOLATION, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr1REQUIRES_VIOLATION, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr11REQUIRES_VIOLATION, deleteErr0REQUIRES_VIOLATION, deleteErr1REQUIRES_VIOLATION, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr3REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-10-22 11:27:15,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:15,896 INFO L82 PathProgramCache]: Analyzing trace with hash -71473826, now seen corresponding path program 1 times [2019-10-22 11:27:15,896 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:15,896 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392161436] [2019-10-22 11:27:15,896 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:15,896 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:15,897 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:16,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:16,051 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392161436] [2019-10-22 11:27:16,052 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:16,052 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:27:16,052 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517873905] [2019-10-22 11:27:16,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 11:27:16,052 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:16,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 11:27:16,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:27:16,053 INFO L87 Difference]: Start difference. First operand 388 states and 688 transitions. Second operand 7 states. [2019-10-22 11:27:16,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:16,226 INFO L93 Difference]: Finished difference Result 372 states and 612 transitions. [2019-10-22 11:27:16,226 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:27:16,226 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 44 [2019-10-22 11:27:16,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:16,228 INFO L225 Difference]: With dead ends: 372 [2019-10-22 11:27:16,228 INFO L226 Difference]: Without dead ends: 372 [2019-10-22 11:27:16,228 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:27:16,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states. [2019-10-22 11:27:16,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 343. [2019-10-22 11:27:16,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 343 states. [2019-10-22 11:27:16,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 343 states to 343 states and 582 transitions. [2019-10-22 11:27:16,237 INFO L78 Accepts]: Start accepts. Automaton has 343 states and 582 transitions. Word has length 44 [2019-10-22 11:27:16,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:16,237 INFO L462 AbstractCegarLoop]: Abstraction has 343 states and 582 transitions. [2019-10-22 11:27:16,237 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 11:27:16,238 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 582 transitions. [2019-10-22 11:27:16,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 11:27:16,241 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:16,241 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:16,242 INFO L410 AbstractCegarLoop]: === Iteration 9 === [deleteErr3REQUIRES_VIOLATION, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr0REQUIRES_VIOLATION, deleteErr11REQUIRES_VIOLATION, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr1REQUIRES_VIOLATION, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr11REQUIRES_VIOLATION, deleteErr0REQUIRES_VIOLATION, deleteErr1REQUIRES_VIOLATION, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr3REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-10-22 11:27:16,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:16,242 INFO L82 PathProgramCache]: Analyzing trace with hash -555586323, now seen corresponding path program 1 times [2019-10-22 11:27:16,242 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:16,242 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1503941528] [2019-10-22 11:27:16,242 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:16,242 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:16,243 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:16,358 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:16,358 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1503941528] [2019-10-22 11:27:16,358 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:16,358 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:27:16,358 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697361205] [2019-10-22 11:27:16,359 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:27:16,359 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:16,359 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:27:16,359 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:27:16,359 INFO L87 Difference]: Start difference. First operand 343 states and 582 transitions. Second operand 6 states. [2019-10-22 11:27:16,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:16,407 INFO L93 Difference]: Finished difference Result 174 states and 275 transitions. [2019-10-22 11:27:16,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:27:16,408 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2019-10-22 11:27:16,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:16,409 INFO L225 Difference]: With dead ends: 174 [2019-10-22 11:27:16,409 INFO L226 Difference]: Without dead ends: 174 [2019-10-22 11:27:16,409 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:27:16,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states. [2019-10-22 11:27:16,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174. [2019-10-22 11:27:16,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2019-10-22 11:27:16,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 275 transitions. [2019-10-22 11:27:16,414 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 275 transitions. Word has length 49 [2019-10-22 11:27:16,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:16,415 INFO L462 AbstractCegarLoop]: Abstraction has 174 states and 275 transitions. [2019-10-22 11:27:16,415 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:27:16,415 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 275 transitions. [2019-10-22 11:27:16,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2019-10-22 11:27:16,416 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:16,416 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:16,417 INFO L410 AbstractCegarLoop]: === Iteration 10 === [deleteErr3REQUIRES_VIOLATION, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr0REQUIRES_VIOLATION, deleteErr11REQUIRES_VIOLATION, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr1REQUIRES_VIOLATION, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr11REQUIRES_VIOLATION, deleteErr0REQUIRES_VIOLATION, deleteErr1REQUIRES_VIOLATION, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr3REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK]=== [2019-10-22 11:27:16,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:16,417 INFO L82 PathProgramCache]: Analyzing trace with hash 798996717, now seen corresponding path program 1 times [2019-10-22 11:27:16,417 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:16,417 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [713531115] [2019-10-22 11:27:16,417 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:16,417 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:16,418 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:16,592 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:16,592 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [713531115] [2019-10-22 11:27:16,593 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1990413762] [2019-10-22 11:27:16,593 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:27:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:16,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 32 conjunts are in the unsatisfiable core [2019-10-22 11:27:16,685 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:16,843 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-10-22 11:27:16,844 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 11:27:16,851 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:27:16,851 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:27:16,852 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2019-10-22 11:27:16,935 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:27:16,936 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 44 [2019-10-22 11:27:16,937 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 11:27:16,952 INFO L567 ElimStorePlain]: treesize reduction 26, result has 40.9 percent of original size [2019-10-22 11:27:16,953 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:27:16,953 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:18 [2019-10-22 11:27:17,080 INFO L341 Elim1Store]: treesize reduction 25, result has 21.9 percent of original size [2019-10-22 11:27:17,081 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 20 [2019-10-22 11:27:17,081 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 11:27:17,088 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:27:17,089 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 11:27:17,089 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:26 [2019-10-22 11:27:17,150 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:27:17,150 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 24 [2019-10-22 11:27:17,151 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 11:27:17,158 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:27:17,159 INFO L496 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 11:27:17,160 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:33, output treesize:11 [2019-10-22 11:27:17,188 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:17,188 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:17,295 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2019-10-22 11:27:17,295 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 11:27:17,317 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:27:17,318 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 11:27:17,318 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:28 [2019-10-22 11:27:17,509 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 3 terms [2019-10-22 11:27:17,519 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 1 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:17,519 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [307012546] [2019-10-22 11:27:17,729 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:27:17,730 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: java.lang.UnsupportedOperationException: AbsInt only supports BoogieIcfgLocations and Codeblocks at the moment at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:307) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.generateProof(TraceAbstractionRefinementEngine.java:184) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:174) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) Caused by: java.lang.UnsupportedOperationException: AbsInt only supports BoogieIcfgLocations and Codeblocks at the moment at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.(CegarAbsIntRunner.java:158) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.getOrConstructRunner(IpTcStrategyModuleAbstractInterpretation.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleAbstractInterpretation.construct(IpTcStrategyModuleAbstractInterpretation.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:299) ... 21 more [2019-10-22 11:27:17,734 INFO L168 Benchmark]: Toolchain (without parser) took 6329.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 197.7 MB). Free memory was 935.7 MB in the beginning and 999.7 MB in the end (delta: -64.1 MB). Peak memory consumption was 133.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:17,734 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 957.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:17,735 INFO L168 Benchmark]: CACSL2BoogieTranslator took 721.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:17,735 INFO L168 Benchmark]: Boogie Procedure Inliner took 59.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:17,735 INFO L168 Benchmark]: Boogie Preprocessor took 46.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:17,736 INFO L168 Benchmark]: RCFGBuilder took 557.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:17,736 INFO L168 Benchmark]: TraceAbstraction took 4929.20 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 53.0 MB). Free memory was 1.0 GB in the beginning and 999.7 MB in the end (delta: 45.7 MB). Peak memory consumption was 98.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:17,738 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 957.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 721.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 935.7 MB in the beginning and 1.1 GB in the end (delta: -159.0 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 59.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 557.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 38.5 MB). Peak memory consumption was 38.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4929.20 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 53.0 MB). Free memory was 1.0 GB in the beginning and 999.7 MB in the end (delta: 45.7 MB). Peak memory consumption was 98.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: java.lang.UnsupportedOperationException: AbsInt only supports BoogieIcfgLocations and Codeblocks at the moment de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: java.lang.UnsupportedOperationException: AbsInt only supports BoogieIcfgLocations and Codeblocks at the moment: de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.tryExecuteInterpolantGenerator(TraceAbstractionRefinementEngine.java:307) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.24-cad4683 [2019-10-22 11:27:19,648 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:27:19,649 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:27:19,658 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:27:19,658 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:27:19,659 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:27:19,660 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:27:19,662 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:27:19,663 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:27:19,664 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:27:19,665 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:27:19,666 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:27:19,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:27:19,666 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:27:19,668 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:27:19,668 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:27:19,669 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:27:19,670 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:27:19,671 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:27:19,672 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:27:19,674 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:27:19,674 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:27:19,675 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:27:19,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:27:19,684 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:27:19,684 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:27:19,684 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:27:19,685 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:27:19,686 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:27:19,686 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:27:19,686 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:27:19,687 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:27:19,693 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:27:19,694 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:27:19,695 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:27:19,695 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:27:19,695 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:27:19,695 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:27:19,696 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:27:19,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:27:19,701 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:27:19,702 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-10-22 11:27:19,727 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:27:19,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:27:19,728 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:27:19,728 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:27:19,728 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:27:19,728 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:27:19,728 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:27:19,728 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:27:19,729 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:27:19,729 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:27:19,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:27:19,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:27:19,729 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:27:19,730 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:27:19,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:27:19,730 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:27:19,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:27:19,730 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:27:19,730 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:27:19,730 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:27:19,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:27:19,731 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:27:19,731 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:27:19,731 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:27:19,731 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:27:19,731 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:27:19,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:27:19,732 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:27:19,732 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:27:19,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:19,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:27:19,733 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:27:19,733 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:27:19,733 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:27:19,733 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:27:19,733 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/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/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 valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) 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 -> e41652bc5d5e6ecf5f01d273023c8e2664e3cb5e [2019-10-22 11:27:19,759 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:27:19,768 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:27:19,771 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:27:19,772 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:27:19,772 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:27:19,773 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/../../sv-benchmarks/c/pthread-memsafety/list1.i [2019-10-22 11:27:19,816 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/data/23b56a8a9/0c1051f644fb4a9ba4bdac3c8c402c22/FLAGcab5a92cd [2019-10-22 11:27:20,279 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:27:20,282 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/sv-benchmarks/c/pthread-memsafety/list1.i [2019-10-22 11:27:20,298 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/data/23b56a8a9/0c1051f644fb4a9ba4bdac3c8c402c22/FLAGcab5a92cd [2019-10-22 11:27:20,606 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/data/23b56a8a9/0c1051f644fb4a9ba4bdac3c8c402c22 [2019-10-22 11:27:20,608 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:27:20,610 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:27:20,614 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:20,614 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:27:20,617 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:27:20,618 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:20" (1/1) ... [2019-10-22 11:27:20,621 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@363bcde5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:20, skipping insertion in model container [2019-10-22 11:27:20,621 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:20" (1/1) ... [2019-10-22 11:27:20,627 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:27:20,677 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:27:21,215 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:21,228 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:27:21,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:21,439 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:27:21,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21 WrapperNode [2019-10-22 11:27:21,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:21,441 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:21,441 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:27:21,441 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:27:21,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,482 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:21,507 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:27:21,507 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:27:21,507 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:27:21,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,521 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,538 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,551 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... [2019-10-22 11:27:21,565 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:27:21,565 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:27:21,565 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:27:21,565 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:27:21,566 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/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 [2019-10-22 11:27:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:27:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:27:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:27:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:27:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:27:21,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 11:27:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:27:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:27:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure delete [2019-10-22 11:27:21,638 INFO L138 BoogieDeclarations]: Found implementation of procedure delete [2019-10-22 11:27:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure build [2019-10-22 11:27:21,638 INFO L138 BoogieDeclarations]: Found implementation of procedure build [2019-10-22 11:27:21,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:27:21,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:27:21,640 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 11:27:22,217 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:27:22,218 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-10-22 11:27:22,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:22 BoogieIcfgContainer [2019-10-22 11:27:22,219 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:27:22,220 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:27:22,220 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:27:22,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:27:22,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:27:20" (1/3) ... [2019-10-22 11:27:22,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@385b3603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:22, skipping insertion in model container [2019-10-22 11:27:22,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:21" (2/3) ... [2019-10-22 11:27:22,224 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@385b3603 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:22, skipping insertion in model container [2019-10-22 11:27:22,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:22" (3/3) ... [2019-10-22 11:27:22,226 INFO L109 eAbstractionObserver]: Analyzing ICFG list1.i [2019-10-22 11:27:22,262 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_#in~plist.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,262 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_#in~plist.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,263 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,263 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,263 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_~#list~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,263 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_~#list~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,264 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_~#list~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,264 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_~#list~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,264 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,265 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,265 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_~#list~0.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,265 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_~#list~0.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,265 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#in~plist.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,265 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#in~plist.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,266 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,266 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~ite8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,266 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,266 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,267 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,267 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~ite8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,267 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,269 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,270 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,270 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,270 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,270 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,270 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,271 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,271 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,272 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,272 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,272 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,272 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,273 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,273 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#in~plist.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,273 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#in~plist.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,273 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,273 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,273 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,274 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,274 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc2.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,274 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc2.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,274 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,274 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,275 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,275 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,275 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,275 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,275 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,278 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,278 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,278 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,278 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,278 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,279 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,279 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,279 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,279 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,280 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,280 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,280 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,281 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,281 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,281 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,281 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,282 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,282 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,282 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,282 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,282 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,282 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,283 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,283 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,283 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,283 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,283 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,284 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,284 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,284 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,284 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,284 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,285 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,285 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,285 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,285 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,285 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,286 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,286 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc7.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,286 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~malloc7.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,286 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~ite8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,286 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~ite8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,286 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,287 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,287 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~ite8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,287 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~ite8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,287 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,287 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~ite8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,289 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~ite8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,289 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,289 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,289 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,289 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,290 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,290 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,291 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem6.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,291 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem6.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,291 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~ite8.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,291 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~ite8.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,292 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,292 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_append_#t~mem5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,292 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,292 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~elem~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,292 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,292 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,293 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,293 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,293 WARN L315 ript$VariableManager]: TermVariabe Thread1_build_append_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,293 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,293 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,294 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,294 WARN L315 ript$VariableManager]: TermVariabe |Thread1_build_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,295 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#in~plist.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,295 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#in~plist.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,295 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,295 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,295 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~plist.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,295 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~plist.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,297 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,297 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,298 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,298 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,298 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,298 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,299 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,299 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,299 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,299 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,299 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,299 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,300 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,300 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,300 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,300 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,301 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,301 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,301 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,301 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~next~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,302 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~next~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,302 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,303 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,303 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,303 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,303 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,303 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,304 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,305 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,305 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,306 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem10.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,306 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem10.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,306 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,307 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,307 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~next~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,307 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~next~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,308 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,308 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,308 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,308 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,308 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,309 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,309 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,309 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem12.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,309 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem12.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,309 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,309 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,310 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,310 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,310 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,311 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,311 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,311 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,311 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,311 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,312 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,312 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,312 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,312 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,312 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,313 WARN L315 ript$VariableManager]: TermVariabe |Thread0_delete_#t~mem11.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,313 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~next~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,313 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~next~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,313 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,313 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,313 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,314 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,314 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,314 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,314 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,315 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,315 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,315 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~next~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,315 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~next~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,315 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,315 WARN L315 ript$VariableManager]: TermVariabe Thread0_delete_~list~1.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 11:27:22,330 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:27:22,338 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 67 error locations. [2019-10-22 11:27:22,348 INFO L249 AbstractCegarLoop]: Starting to check reachability of 67 error locations. [2019-10-22 11:27:22,364 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:27:22,364 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:27:22,364 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:27:22,364 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:27:22,365 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:27:22,365 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:27:22,365 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:27:22,365 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:27:22,377 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 130 places, 135 transitions [2019-10-22 11:27:22,406 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 472 states. [2019-10-22 11:27:22,412 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states. [2019-10-22 11:27:22,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 11:27:22,419 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:22,421 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:22,424 INFO L410 AbstractCegarLoop]: === Iteration 1 === [deleteErr1REQUIRES_VIOLATION, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr0REQUIRES_VIOLATION, deleteErr11REQUIRES_VIOLATION, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr3REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, deleteErr12ASSERT_VIOLATIONMEMORY_FREE, deleteErr5ASSERT_VIOLATIONMEMORY_FREE, deleteErr3REQUIRES_VIOLATION, deleteErr14ASSERT_VIOLATIONMEMORY_FREE, deleteErr13ASSERT_VIOLATIONMEMORY_FREE, deleteErr10REQUIRES_VIOLATION, deleteErr0REQUIRES_VIOLATION, deleteErr8ASSERT_VIOLATIONMEMORY_FREE, deleteErr9ASSERT_VIOLATIONMEMORY_FREE, deleteErr2REQUIRES_VIOLATION, deleteErr7ASSERT_VIOLATIONMEMORY_FREE, deleteErr6ASSERT_VIOLATIONMEMORY_FREE, deleteErr4ASSERT_VIOLATIONMEMORY_FREE, deleteErr11REQUIRES_VIOLATION, deleteErr1REQUIRES_VIOLATION, buildErr7REQUIRES_VIOLATION, buildErr6REQUIRES_VIOLATION, buildErr5REQUIRES_VIOLATION, buildErr9REQUIRES_VIOLATION, buildErr8REQUIRES_VIOLATION, buildErr12REQUIRES_VIOLATION, buildErr1REQUIRES_VIOLATION, buildErr0REQUIRES_VIOLATION, buildErr11REQUIRES_VIOLATION, buildErr10REQUIRES_VIOLATION, buildErr4REQUIRES_VIOLATION, buildErr3REQUIRES_VIOLATION, buildErr2REQUIRES_VIOLATION, buildErr13REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr8ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION]=== [2019-10-22 11:27:22,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:22,429 INFO L82 PathProgramCache]: Analyzing trace with hash -237209563, now seen corresponding path program 1 times [2019-10-22 11:27:22,438 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:27:22,439 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1262170691] [2019-10-22 11:27:22,439 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d81e8f38-1508-4b2f-88bb-3e9c5329906a/bin/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:27:22,720 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:27:22,721 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort FloatRoundingMode not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:223) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:160) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:143) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:168) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferSymbols(SmtFunctionsAndAxioms.java:139) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleTraceCheck.createExternalManagedScript(IpTcStrategyModuleTraceCheck.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCvc4.constructManagedScript(IpTcStrategyModuleCvc4.java:95) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.checkFeasibility(TraceAbstractionRefinementEngine.java:244) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.executeStrategy(TraceAbstractionRefinementEngine.java:160) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.RefinementEngineFactory.runRefinementEngine(RefinementEngineFactory.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:419) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:368) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:332) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:170) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:128) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:120) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2019-10-22 11:27:22,725 INFO L168 Benchmark]: Toolchain (without parser) took 2115.15 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.6 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -90.9 MB). Peak memory consumption was 95.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:22,726 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:22,726 INFO L168 Benchmark]: CACSL2BoogieTranslator took 826.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:22,727 INFO L168 Benchmark]: Boogie Procedure Inliner took 65.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:22,727 INFO L168 Benchmark]: Boogie Preprocessor took 58.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:22,728 INFO L168 Benchmark]: RCFGBuilder took 653.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:22,729 INFO L168 Benchmark]: TraceAbstraction took 503.62 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: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:22,731 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 826.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.6 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -178.2 MB). Peak memory consumption was 24.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 65.75 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.44 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 653.75 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 503.62 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: 44.3 MB). Peak memory consumption was 44.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: Sort FloatRoundingMode not declared de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: Sort FloatRoundingMode not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:412) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...