./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memcleanup.prp --file ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (memcleanup) 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_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f369e67185304fce6130a1dfc66e8cb89abf0605 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-memcleanup) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f369e67185304fce6130a1dfc66e8cb89abf0605 ................................................................................................................................................................................................................................................... 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 11:27:26,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:27:26,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:27:26,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:27:26,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:27:26,855 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:27:26,856 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:27:26,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:27:26,861 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:27:26,863 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:27:26,866 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:27:26,867 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:27:26,873 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:27:26,874 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:27:26,875 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:27:26,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:27:26,876 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:27:26,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:27:26,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:27:26,879 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:27:26,881 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:27:26,881 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:27:26,882 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:27:26,883 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:27:26,885 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:27:26,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:27:26,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:27:26,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:27:26,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:27:26,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:27:26,888 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:27:26,889 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:27:26,889 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:27:26,890 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:27:26,891 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:27:26,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:27:26,892 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:27:26,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:27:26,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:27:26,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:27:26,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:27:26,895 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Default.epf [2019-10-22 11:27:26,910 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:27:26,910 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:27:26,911 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:27:26,911 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:27:26,911 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:27:26,911 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:27:26,911 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:27:26,911 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:27:26,912 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:27:26,912 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:27:26,912 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:27:26,912 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:27:26,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:27:26,913 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:27:26,913 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:27:26,913 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:27:26,913 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:27:26,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:27:26,914 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:27:26,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:27:26,914 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:27:26,914 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:27:26,914 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:27:26,915 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:27:26,915 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:27:26,915 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:27:26,915 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:27:26,915 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:27:26,915 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:26,916 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:27:26,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:27:26,924 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:27:26,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:27:26,924 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:27:26,925 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_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/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-memcleanup) ) 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 -> f369e67185304fce6130a1dfc66e8cb89abf0605 [2019-10-22 11:27:26,958 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:27:26,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:27:26,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:27:26,973 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:27:26,973 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:27:26,974 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan/../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i [2019-10-22 11:27:27,027 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan/data/f0a85427a/43f37cd62ba948269671513049e549af/FLAGcb876b705 [2019-10-22 11:27:27,528 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:27:27,532 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i [2019-10-22 11:27:27,542 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan/data/f0a85427a/43f37cd62ba948269671513049e549af/FLAGcb876b705 [2019-10-22 11:27:27,818 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan/data/f0a85427a/43f37cd62ba948269671513049e549af [2019-10-22 11:27:27,821 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:27:27,822 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:27:27,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:27,823 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:27:27,826 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:27:27,827 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:27" (1/1) ... [2019-10-22 11:27:27,829 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20222b3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:27, skipping insertion in model container [2019-10-22 11:27:27,829 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:27" (1/1) ... [2019-10-22 11:27:27,836 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:27:27,881 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:27:28,224 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:28,234 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:27:28,291 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:28,343 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:27:28,343 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28 WrapperNode [2019-10-22 11:27:28,343 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:28,344 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:28,344 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:27:28,344 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:27:28,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (1/1) ... [2019-10-22 11:27:28,369 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (1/1) ... [2019-10-22 11:27:28,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:28,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:27:28,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:27:28,395 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:27:28,405 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (1/1) ... [2019-10-22 11:27:28,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (1/1) ... [2019-10-22 11:27:28,409 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (1/1) ... [2019-10-22 11:27:28,410 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (1/1) ... [2019-10-22 11:27:28,419 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (1/1) ... [2019-10-22 11:27:28,425 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (1/1) ... [2019-10-22 11:27:28,427 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (1/1) ... [2019-10-22 11:27:28,430 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:27:28,430 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:27:28,430 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:27:28,430 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:27:28,431 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/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 11:27:28,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:27:28,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:27:28,488 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:27:28,488 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:27:28,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:27:28,488 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:27:28,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:27:28,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:27:29,054 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:27:29,055 INFO L284 CfgBuilder]: Removed 12 assume(true) statements. [2019-10-22 11:27:29,057 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:29 BoogieIcfgContainer [2019-10-22 11:27:29,057 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:27:29,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:27:29,059 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:27:29,062 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:27:29,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:27:27" (1/3) ... [2019-10-22 11:27:29,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158e1f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:29, skipping insertion in model container [2019-10-22 11:27:29,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:28" (2/3) ... [2019-10-22 11:27:29,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@158e1f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:29, skipping insertion in model container [2019-10-22 11:27:29,064 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:29" (3/3) ... [2019-10-22 11:27:29,065 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-simple-white-blue-1.i [2019-10-22 11:27:29,074 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:27:29,081 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 60 error locations. [2019-10-22 11:27:29,091 INFO L249 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2019-10-22 11:27:29,108 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:27:29,108 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:27:29,108 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:27:29,109 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:27:29,109 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:27:29,109 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:27:29,109 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:27:29,109 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:27:29,127 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states. [2019-10-22 11:27:29,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 11:27:29,137 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:29,138 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 11:27:29,140 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION]=== [2019-10-22 11:27:29,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:29,145 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2019-10-22 11:27:29,154 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:29,155 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349940613] [2019-10-22 11:27:29,155 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:29,155 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:29,155 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:29,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:29,290 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 11:27:29,291 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349940613] [2019-10-22 11:27:29,291 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:29,291 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:27:29,292 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82929804] [2019-10-22 11:27:29,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:27:29,299 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:29,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:27:29,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:29,318 INFO L87 Difference]: Start difference. First operand 124 states. Second operand 3 states. [2019-10-22 11:27:29,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:29,478 INFO L93 Difference]: Finished difference Result 150 states and 159 transitions. [2019-10-22 11:27:29,478 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:29,479 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-10-22 11:27:29,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:29,488 INFO L225 Difference]: With dead ends: 150 [2019-10-22 11:27:29,489 INFO L226 Difference]: Without dead ends: 144 [2019-10-22 11:27:29,490 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:29,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-10-22 11:27:29,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 117. [2019-10-22 11:27:29,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-22 11:27:29,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 124 transitions. [2019-10-22 11:27:29,523 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 124 transitions. Word has length 3 [2019-10-22 11:27:29,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:29,523 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 124 transitions. [2019-10-22 11:27:29,524 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:27:29,524 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 124 transitions. [2019-10-22 11:27:29,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 11:27:29,524 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:29,524 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 11:27:29,524 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION]=== [2019-10-22 11:27:29,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:29,525 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2019-10-22 11:27:29,525 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:29,525 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946858858] [2019-10-22 11:27:29,525 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:29,525 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:29,526 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:29,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:29,554 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 11:27:29,555 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946858858] [2019-10-22 11:27:29,555 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:29,555 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:27:29,555 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [592758804] [2019-10-22 11:27:29,556 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:27:29,557 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:29,557 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:27:29,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:29,557 INFO L87 Difference]: Start difference. First operand 117 states and 124 transitions. Second operand 3 states. [2019-10-22 11:27:29,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:29,690 INFO L93 Difference]: Finished difference Result 141 states and 150 transitions. [2019-10-22 11:27:29,691 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:27:29,691 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-10-22 11:27:29,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:29,692 INFO L225 Difference]: With dead ends: 141 [2019-10-22 11:27:29,692 INFO L226 Difference]: Without dead ends: 141 [2019-10-22 11:27:29,693 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:27:29,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2019-10-22 11:27:29,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 114. [2019-10-22 11:27:29,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2019-10-22 11:27:29,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 121 transitions. [2019-10-22 11:27:29,700 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 121 transitions. Word has length 3 [2019-10-22 11:27:29,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:29,701 INFO L462 AbstractCegarLoop]: Abstraction has 114 states and 121 transitions. [2019-10-22 11:27:29,701 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:27:29,701 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 121 transitions. [2019-10-22 11:27:29,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:27:29,701 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:29,701 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:29,702 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION]=== [2019-10-22 11:27:29,702 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:29,702 INFO L82 PathProgramCache]: Analyzing trace with hash 1837112042, now seen corresponding path program 1 times [2019-10-22 11:27:29,702 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:29,702 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1374963358] [2019-10-22 11:27:29,702 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:29,703 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:29,703 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:29,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:29,763 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 11:27:29,763 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1374963358] [2019-10-22 11:27:29,763 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:29,763 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:27:29,763 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826030119] [2019-10-22 11:27:29,764 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:27:29,764 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:29,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:27:29,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:27:29,765 INFO L87 Difference]: Start difference. First operand 114 states and 121 transitions. Second operand 4 states. [2019-10-22 11:27:30,067 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:30,068 INFO L93 Difference]: Finished difference Result 114 states and 121 transitions. [2019-10-22 11:27:30,068 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:27:30,068 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-10-22 11:27:30,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:30,069 INFO L225 Difference]: With dead ends: 114 [2019-10-22 11:27:30,069 INFO L226 Difference]: Without dead ends: 114 [2019-10-22 11:27:30,070 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 11:27:30,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2019-10-22 11:27:30,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 106. [2019-10-22 11:27:30,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2019-10-22 11:27:30,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 119 transitions. [2019-10-22 11:27:30,081 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 119 transitions. Word has length 9 [2019-10-22 11:27:30,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:30,081 INFO L462 AbstractCegarLoop]: Abstraction has 106 states and 119 transitions. [2019-10-22 11:27:30,081 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:27:30,081 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 119 transitions. [2019-10-22 11:27:30,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:27:30,082 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:30,082 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:30,082 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION]=== [2019-10-22 11:27:30,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:30,083 INFO L82 PathProgramCache]: Analyzing trace with hash 1837112043, now seen corresponding path program 1 times [2019-10-22 11:27:30,083 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:30,083 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572905252] [2019-10-22 11:27:30,083 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:30,083 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:30,083 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:30,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:30,179 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 11:27:30,180 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572905252] [2019-10-22 11:27:30,180 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:30,180 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:27:30,180 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475628687] [2019-10-22 11:27:30,181 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:27:30,181 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:30,181 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:27:30,181 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:27:30,182 INFO L87 Difference]: Start difference. First operand 106 states and 119 transitions. Second operand 4 states. [2019-10-22 11:27:30,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:30,407 INFO L93 Difference]: Finished difference Result 138 states and 150 transitions. [2019-10-22 11:27:30,408 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:27:30,408 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-10-22 11:27:30,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:30,409 INFO L225 Difference]: With dead ends: 138 [2019-10-22 11:27:30,409 INFO L226 Difference]: Without dead ends: 138 [2019-10-22 11:27:30,410 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 11:27:30,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2019-10-22 11:27:30,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 120. [2019-10-22 11:27:30,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-10-22 11:27:30,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 135 transitions. [2019-10-22 11:27:30,425 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 135 transitions. Word has length 9 [2019-10-22 11:27:30,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:30,425 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 135 transitions. [2019-10-22 11:27:30,425 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:27:30,425 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 135 transitions. [2019-10-22 11:27:30,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 11:27:30,426 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:30,426 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:30,426 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION]=== [2019-10-22 11:27:30,427 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:30,427 INFO L82 PathProgramCache]: Analyzing trace with hash 233113581, now seen corresponding path program 1 times [2019-10-22 11:27:30,427 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:30,427 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [66051053] [2019-10-22 11:27:30,427 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:30,428 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:30,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:30,512 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 11:27:30,513 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [66051053] [2019-10-22 11:27:30,513 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:30,513 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:27:30,513 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1233788196] [2019-10-22 11:27:30,514 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:27:30,514 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:30,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:27:30,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:30,514 INFO L87 Difference]: Start difference. First operand 120 states and 135 transitions. Second operand 5 states. [2019-10-22 11:27:30,857 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:30,857 INFO L93 Difference]: Finished difference Result 198 states and 221 transitions. [2019-10-22 11:27:30,858 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:27:30,858 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-10-22 11:27:30,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:30,859 INFO L225 Difference]: With dead ends: 198 [2019-10-22 11:27:30,859 INFO L226 Difference]: Without dead ends: 198 [2019-10-22 11:27:30,860 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 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 11:27:30,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2019-10-22 11:27:30,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 119. [2019-10-22 11:27:30,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2019-10-22 11:27:30,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 133 transitions. [2019-10-22 11:27:30,868 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 133 transitions. Word has length 11 [2019-10-22 11:27:30,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:30,869 INFO L462 AbstractCegarLoop]: Abstraction has 119 states and 133 transitions. [2019-10-22 11:27:30,869 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:27:30,869 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 133 transitions. [2019-10-22 11:27:30,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 11:27:30,870 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:30,870 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:30,870 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION]=== [2019-10-22 11:27:30,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:30,871 INFO L82 PathProgramCache]: Analyzing trace with hash 233113582, now seen corresponding path program 1 times [2019-10-22 11:27:30,871 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:30,871 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1450119603] [2019-10-22 11:27:30,871 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:30,871 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:30,872 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:30,953 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 11:27:30,953 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1450119603] [2019-10-22 11:27:30,954 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:30,954 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:27:30,954 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648988900] [2019-10-22 11:27:30,954 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:27:30,955 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:30,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:27:30,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:30,955 INFO L87 Difference]: Start difference. First operand 119 states and 133 transitions. Second operand 5 states. [2019-10-22 11:27:31,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:31,310 INFO L93 Difference]: Finished difference Result 207 states and 231 transitions. [2019-10-22 11:27:31,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:27:31,310 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2019-10-22 11:27:31,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:31,311 INFO L225 Difference]: With dead ends: 207 [2019-10-22 11:27:31,311 INFO L226 Difference]: Without dead ends: 207 [2019-10-22 11:27:31,312 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:27:31,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2019-10-22 11:27:31,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 118. [2019-10-22 11:27:31,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 118 states. [2019-10-22 11:27:31,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 131 transitions. [2019-10-22 11:27:31,318 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 131 transitions. Word has length 11 [2019-10-22 11:27:31,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:31,319 INFO L462 AbstractCegarLoop]: Abstraction has 118 states and 131 transitions. [2019-10-22 11:27:31,319 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:27:31,319 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 131 transitions. [2019-10-22 11:27:31,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 11:27:31,320 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:31,320 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:31,320 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION]=== [2019-10-22 11:27:31,320 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:31,321 INFO L82 PathProgramCache]: Analyzing trace with hash 51789359, now seen corresponding path program 1 times [2019-10-22 11:27:31,321 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:31,321 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1367677537] [2019-10-22 11:27:31,321 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:31,321 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:31,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:31,420 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 11:27:31,420 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1367677537] [2019-10-22 11:27:31,421 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:31,421 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 11:27:31,421 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948707612] [2019-10-22 11:27:31,422 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:27:31,422 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:31,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:27:31,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:27:31,422 INFO L87 Difference]: Start difference. First operand 118 states and 131 transitions. Second operand 9 states. [2019-10-22 11:27:31,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:31,934 INFO L93 Difference]: Finished difference Result 122 states and 133 transitions. [2019-10-22 11:27:31,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 11:27:31,935 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2019-10-22 11:27:31,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:31,935 INFO L225 Difference]: With dead ends: 122 [2019-10-22 11:27:31,935 INFO L226 Difference]: Without dead ends: 122 [2019-10-22 11:27:31,936 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2019-10-22 11:27:31,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2019-10-22 11:27:31,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 117. [2019-10-22 11:27:31,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-22 11:27:31,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 130 transitions. [2019-10-22 11:27:31,940 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 130 transitions. Word has length 15 [2019-10-22 11:27:31,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:31,941 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 130 transitions. [2019-10-22 11:27:31,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:27:31,941 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 130 transitions. [2019-10-22 11:27:31,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 11:27:31,941 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:31,941 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:31,942 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION]=== [2019-10-22 11:27:31,942 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:31,942 INFO L82 PathProgramCache]: Analyzing trace with hash 51789360, now seen corresponding path program 1 times [2019-10-22 11:27:31,942 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:31,942 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344476670] [2019-10-22 11:27:31,943 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:31,943 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:31,943 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:31,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:32,066 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 11:27:32,067 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344476670] [2019-10-22 11:27:32,067 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:32,067 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-10-22 11:27:32,067 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694941169] [2019-10-22 11:27:32,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 11:27:32,068 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:32,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 11:27:32,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:27:32,068 INFO L87 Difference]: Start difference. First operand 117 states and 130 transitions. Second operand 10 states. [2019-10-22 11:27:32,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:32,782 INFO L93 Difference]: Finished difference Result 120 states and 132 transitions. [2019-10-22 11:27:32,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-10-22 11:27:32,783 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 15 [2019-10-22 11:27:32,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:32,784 INFO L225 Difference]: With dead ends: 120 [2019-10-22 11:27:32,784 INFO L226 Difference]: Without dead ends: 120 [2019-10-22 11:27:32,784 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=129, Invalid=291, Unknown=0, NotChecked=0, Total=420 [2019-10-22 11:27:32,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-10-22 11:27:32,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 105. [2019-10-22 11:27:32,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 105 states. [2019-10-22 11:27:32,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 117 transitions. [2019-10-22 11:27:32,787 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 117 transitions. Word has length 15 [2019-10-22 11:27:32,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:32,787 INFO L462 AbstractCegarLoop]: Abstraction has 105 states and 117 transitions. [2019-10-22 11:27:32,787 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 11:27:32,788 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 117 transitions. [2019-10-22 11:27:32,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-10-22 11:27:32,797 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:32,797 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:32,797 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION]=== [2019-10-22 11:27:32,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:32,797 INFO L82 PathProgramCache]: Analyzing trace with hash 156760564, now seen corresponding path program 1 times [2019-10-22 11:27:32,798 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:32,798 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [704557915] [2019-10-22 11:27:32,798 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:32,798 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:32,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:32,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:32,870 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:32,870 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [704557915] [2019-10-22 11:27:32,870 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:32,870 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:27:32,871 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022138563] [2019-10-22 11:27:32,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:27:32,871 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:32,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:27:32,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:27:32,871 INFO L87 Difference]: Start difference. First operand 105 states and 117 transitions. Second operand 5 states. [2019-10-22 11:27:33,012 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:33,012 INFO L93 Difference]: Finished difference Result 116 states and 130 transitions. [2019-10-22 11:27:33,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:27:33,012 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 16 [2019-10-22 11:27:33,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:33,013 INFO L225 Difference]: With dead ends: 116 [2019-10-22 11:27:33,013 INFO L226 Difference]: Without dead ends: 116 [2019-10-22 11:27:33,013 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 2 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 11:27:33,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2019-10-22 11:27:33,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 111. [2019-10-22 11:27:33,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-10-22 11:27:33,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 125 transitions. [2019-10-22 11:27:33,015 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 125 transitions. Word has length 16 [2019-10-22 11:27:33,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:33,015 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 125 transitions. [2019-10-22 11:27:33,015 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:27:33,015 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 125 transitions. [2019-10-22 11:27:33,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:27:33,016 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:33,016 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:33,016 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION]=== [2019-10-22 11:27:33,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:33,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1213425912, now seen corresponding path program 1 times [2019-10-22 11:27:33,016 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:33,017 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944354140] [2019-10-22 11:27:33,017 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:33,017 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:33,017 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:33,085 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 11:27:33,086 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944354140] [2019-10-22 11:27:33,086 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:33,086 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:27:33,086 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153411291] [2019-10-22 11:27:33,086 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:27:33,087 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:33,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:27:33,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:27:33,087 INFO L87 Difference]: Start difference. First operand 111 states and 125 transitions. Second operand 6 states. [2019-10-22 11:27:33,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:33,366 INFO L93 Difference]: Finished difference Result 145 states and 162 transitions. [2019-10-22 11:27:33,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:27:33,366 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2019-10-22 11:27:33,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:33,367 INFO L225 Difference]: With dead ends: 145 [2019-10-22 11:27:33,367 INFO L226 Difference]: Without dead ends: 145 [2019-10-22 11:27:33,367 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 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 11:27:33,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 145 states. [2019-10-22 11:27:33,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 145 to 110. [2019-10-22 11:27:33,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-10-22 11:27:33,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 124 transitions. [2019-10-22 11:27:33,370 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 124 transitions. Word has length 18 [2019-10-22 11:27:33,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:33,370 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 124 transitions. [2019-10-22 11:27:33,370 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:27:33,370 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 124 transitions. [2019-10-22 11:27:33,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:27:33,371 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:33,371 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:27:33,371 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION]=== [2019-10-22 11:27:33,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:33,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1213425911, now seen corresponding path program 1 times [2019-10-22 11:27:33,372 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:33,372 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304090829] [2019-10-22 11:27:33,372 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:33,372 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:33,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:33,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:33,423 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 11:27:33,423 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304090829] [2019-10-22 11:27:33,423 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:27:33,423 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:27:33,423 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370572339] [2019-10-22 11:27:33,424 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:27:33,424 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:27:33,424 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:27:33,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:27:33,424 INFO L87 Difference]: Start difference. First operand 110 states and 124 transitions. Second operand 6 states. [2019-10-22 11:27:33,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:27:33,670 INFO L93 Difference]: Finished difference Result 151 states and 170 transitions. [2019-10-22 11:27:33,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:27:33,671 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 18 [2019-10-22 11:27:33,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:27:33,671 INFO L225 Difference]: With dead ends: 151 [2019-10-22 11:27:33,672 INFO L226 Difference]: Without dead ends: 151 [2019-10-22 11:27:33,672 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:27:33,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2019-10-22 11:27:33,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 107. [2019-10-22 11:27:33,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2019-10-22 11:27:33,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 121 transitions. [2019-10-22 11:27:33,675 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 121 transitions. Word has length 18 [2019-10-22 11:27:33,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:27:33,675 INFO L462 AbstractCegarLoop]: Abstraction has 107 states and 121 transitions. [2019-10-22 11:27:33,675 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:27:33,675 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 121 transitions. [2019-10-22 11:27:33,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 11:27:33,676 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:33,676 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] [2019-10-22 11:27:33,678 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION]=== [2019-10-22 11:27:33,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:33,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1498981295, now seen corresponding path program 1 times [2019-10-22 11:27:33,679 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:27:33,679 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976692143] [2019-10-22 11:27:33,679 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:33,679 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:27:33,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:27:33,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:33,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:33,777 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976692143] [2019-10-22 11:27:33,777 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [403972932] [2019-10-22 11:27:33,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/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 11:27:33,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:27:33,829 INFO L256 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 22 conjunts are in the unsatisfiable core [2019-10-22 11:27:33,834 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:27:33,906 INFO L341 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:27:33,906 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 39 [2019-10-22 11:27:33,908 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 11:27:33,921 INFO L567 ElimStorePlain]: treesize reduction 14, result has 51.7 percent of original size [2019-10-22 11:27:33,921 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:27:33,921 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:17, output treesize:15 [2019-10-22 11:27:33,946 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 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 11:27:33,946 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 11:27:33,951 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:27:33,952 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 11:27:33,952 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:26, output treesize:23 [2019-10-22 11:27:33,995 INFO L341 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2019-10-22 11:27:33,995 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 31 treesize of output 26 [2019-10-22 11:27:33,996 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 11:27:34,004 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:27:34,004 INFO L496 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:27:34,004 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:36, output treesize:32 [2019-10-22 11:27:34,059 INFO L341 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2019-10-22 11:27:34,059 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 34 treesize of output 16 [2019-10-22 11:27:34,060 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 11:27:34,066 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:27:34,067 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 11:27:34,067 INFO L221 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:39, output treesize:15 [2019-10-22 11:27:34,119 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:34,119 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:27:34,150 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 17 treesize of output 15 [2019-10-22 11:27:34,154 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 11:27:34,162 INFO L567 ElimStorePlain]: treesize reduction 19, result has 20.8 percent of original size [2019-10-22 11:27:34,162 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:27:34,164 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:27:34,165 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 11:27:34,165 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:17, output treesize:5 [2019-10-22 11:27:34,193 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:27:34,193 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [300082915] [2019-10-22 11:27:34,199 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 21 [2019-10-22 11:27:34,236 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:27:34,238 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:27:34,530 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:27:34,530 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: inappropriate decl info IMPLEMENTATION at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.getBoogieVar(NonrelationalStatementProcessor.java:348) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.handleHavocStatement(NonrelationalStatementProcessor.java:325) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.processStatement(NonrelationalStatementProcessor.java:159) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:138) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalStatementProcessor.process(NonrelationalStatementProcessor.java:107) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:422) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.handleInternalTransition(NonrelationalPostOperator.java:413) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:140) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.nonrelational.NonrelationalPostOperator.apply(NonrelationalPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.applyInternally(CompoundDomainPostOperator.java:306) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:131) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.compound.CompoundDomainPostOperator.apply(CompoundDomainPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormanCachedPostOperation.restoreOriginalStateVariables(PoormanCachedPostOperation.java:322) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.applyPost(PoormansAbstractPostOperator.java:217) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:120) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.poorman.PoormansAbstractPostOperator.apply(PoormansAbstractPostOperator.java:1) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.lambda$17(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.mapCollection(DisjunctiveAbstractState.java:519) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.absint.DisjunctiveAbstractState.apply(DisjunctiveAbstractState.java:323) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateAbstractPost(FixpointEngine.java:249) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.calculateFixpoint(FixpointEngine.java:134) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.algorithm.FixpointEngine.run(FixpointEngine.java:105) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.tool.AbstractInterpreter.runWithoutTimeoutAndResults(AbstractInterpreter.java:149) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner.generateFixpoints(CegarAbsIntRunner.java:227) 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) 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:122) 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 11:27:34,534 INFO L168 Benchmark]: Toolchain (without parser) took 6711.69 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 313.5 MB). Free memory was 944.5 MB in the beginning and 1.3 GB in the end (delta: -356.9 MB). Peak memory consumption was 366.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:34,534 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:34,535 INFO L168 Benchmark]: CACSL2BoogieTranslator took 520.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:34,535 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.83 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:34,536 INFO L168 Benchmark]: Boogie Preprocessor took 34.77 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:34,536 INFO L168 Benchmark]: RCFGBuilder took 626.80 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: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:34,537 INFO L168 Benchmark]: TraceAbstraction took 5475.09 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 184.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -240.7 MB). Peak memory consumption was 354.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:34,541 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 966.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 520.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -168.6 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.83 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.77 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 626.80 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: 45.5 MB). Peak memory consumption was 45.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5475.09 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 184.5 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -240.7 MB). Peak memory consumption was 354.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: inappropriate decl info IMPLEMENTATION de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: inappropriate decl info IMPLEMENTATION: de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.boogie.Boogie2SmtSymbolTable.getBoogieVar(Boogie2SmtSymbolTable.java:222) 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 11:27:36,515 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:27:36,517 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:27:36,525 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:27:36,526 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:27:36,526 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:27:36,527 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:27:36,529 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:27:36,530 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:27:36,531 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:27:36,531 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:27:36,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:27:36,532 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:27:36,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:27:36,534 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:27:36,535 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:27:36,535 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:27:36,536 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:27:36,537 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:27:36,539 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:27:36,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:27:36,540 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:27:36,541 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:27:36,542 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:27:36,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:27:36,544 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:27:36,544 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:27:36,545 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:27:36,545 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:27:36,546 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:27:36,546 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:27:36,547 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:27:36,548 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:27:36,548 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:27:36,549 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:27:36,549 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:27:36,550 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:27:36,550 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:27:36,550 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:27:36,551 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:27:36,552 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:27:36,552 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan/config/svcomp-MemCleanup-32bit-Taipan_Bitvector.epf [2019-10-22 11:27:36,564 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:27:36,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:27:36,565 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:27:36,565 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:27:36,565 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:27:36,565 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:27:36,565 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:27:36,565 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:27:36,566 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:27:36,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:27:36,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:27:36,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:27:36,567 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:27:36,567 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:27:36,567 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:27:36,567 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:27:36,567 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:27:36,567 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:27:36,567 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:27:36,568 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:27:36,568 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:27:36,568 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:27:36,568 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:27:36,569 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:27:36,569 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:27:36,569 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:27:36,569 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:27:36,569 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:27:36,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:27:36,569 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:27:36,570 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:27:36,570 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:27:36,570 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:27:36,570 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:27:36,570 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_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/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-memcleanup) ) 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 -> f369e67185304fce6130a1dfc66e8cb89abf0605 [2019-10-22 11:27:36,599 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:27:36,612 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:27:36,617 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:27:36,618 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:27:36,619 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:27:36,619 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan/../../sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i [2019-10-22 11:27:36,663 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan/data/09e204ea0/6862c9acb0724ddbabf05d6b85fd12e1/FLAGcd59b3940 [2019-10-22 11:27:37,115 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:27:37,115 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/sv-benchmarks/c/forester-heap/dll-simple-white-blue-1.i [2019-10-22 11:27:37,124 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan/data/09e204ea0/6862c9acb0724ddbabf05d6b85fd12e1/FLAGcd59b3940 [2019-10-22 11:27:37,136 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/bin/utaipan/data/09e204ea0/6862c9acb0724ddbabf05d6b85fd12e1 [2019-10-22 11:27:37,139 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:27:37,140 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:27:37,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:37,142 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:27:37,145 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:27:37,146 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:37" (1/1) ... [2019-10-22 11:27:37,149 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12f136d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:37, skipping insertion in model container [2019-10-22 11:27:37,149 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:27:37" (1/1) ... [2019-10-22 11:27:37,155 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:27:37,187 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:27:37,539 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:37,558 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:27:37,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:27:37,650 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:27:37,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:37 WrapperNode [2019-10-22 11:27:37,651 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:27:37,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:37,652 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:27:37,652 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:27:37,662 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:37" (1/1) ... [2019-10-22 11:27:37,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:37" (1/1) ... [2019-10-22 11:27:37,699 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:27:37,700 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:27:37,700 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:27:37,700 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:27:37,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:37" (1/1) ... [2019-10-22 11:27:37,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:37" (1/1) ... [2019-10-22 11:27:37,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:37" (1/1) ... [2019-10-22 11:27:37,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:37" (1/1) ... [2019-10-22 11:27:37,723 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:37" (1/1) ... [2019-10-22 11:27:37,728 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:37" (1/1) ... [2019-10-22 11:27:37,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:37" (1/1) ... [2019-10-22 11:27:37,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:27:37,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:27:37,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:27:37,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:27:37,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/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 11:27:37,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:27:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:27:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:27:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:27:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:27:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:27:37,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:27:37,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:27:38,445 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:27:38,445 INFO L284 CfgBuilder]: Removed 12 assume(true) statements. [2019-10-22 11:27:38,446 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:38 BoogieIcfgContainer [2019-10-22 11:27:38,446 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:27:38,447 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:27:38,447 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:27:38,450 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:27:38,450 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:27:37" (1/3) ... [2019-10-22 11:27:38,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c0ec2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:38, skipping insertion in model container [2019-10-22 11:27:38,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:27:37" (2/3) ... [2019-10-22 11:27:38,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c0ec2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:27:38, skipping insertion in model container [2019-10-22 11:27:38,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:27:38" (3/3) ... [2019-10-22 11:27:38,453 INFO L109 eAbstractionObserver]: Analyzing ICFG dll-simple-white-blue-1.i [2019-10-22 11:27:38,462 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:27:38,468 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 60 error locations. [2019-10-22 11:27:38,478 INFO L249 AbstractCegarLoop]: Starting to check reachability of 60 error locations. [2019-10-22 11:27:38,495 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:27:38,495 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:27:38,495 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:27:38,496 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:27:38,496 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:27:38,496 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:27:38,496 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:27:38,496 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:27:38,510 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states. [2019-10-22 11:27:38,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 11:27:38,516 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:27:38,517 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 11:27:38,519 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr57ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr59ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr58ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION]=== [2019-10-22 11:27:38,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:27:38,524 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2019-10-22 11:27:38,533 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:27:38,533 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [648976673] [2019-10-22 11:27:38,534 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e2e1e065-17ca-4022-8fee-1dc1bb8b821b/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 11:27:38,771 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:27:38,772 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:122) 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 11:27:38,776 INFO L168 Benchmark]: Toolchain (without parser) took 1635.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -117.7 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:38,776 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:27:38,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 508.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:38,778 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:38,778 INFO L168 Benchmark]: Boogie Preprocessor took 32.55 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 11:27:38,779 INFO L168 Benchmark]: RCFGBuilder took 713.70 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: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:38,779 INFO L168 Benchmark]: TraceAbstraction took 326.92 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2019-10-22 11:27:38,782 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 977.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 508.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 156.2 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -183.9 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.37 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.55 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 713.70 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: 46.0 MB). Peak memory consumption was 46.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 326.92 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: 13.5 MB). Peak memory consumption was 13.5 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...