./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c57ebc44b313bf301635c00d4458ecfdd41286b1 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/basename-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash c57ebc44b313bf301635c00d4458ecfdd41286b1 ......................................................................................................................................................................................................................................................... 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 11:23:50,419 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:50,421 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:50,429 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:50,430 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:50,431 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:50,432 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:50,433 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:50,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:50,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:50,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:50,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:50,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:50,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:50,438 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:50,439 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:50,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:50,440 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:50,442 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:50,443 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:50,444 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:50,445 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:50,446 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:50,447 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:50,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:50,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:50,448 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:50,449 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:50,449 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:50,450 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:50,450 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:50,451 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:50,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:50,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:50,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:50,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:50,453 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:50,453 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:50,454 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:50,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:50,455 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:50,455 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Default.epf [2019-10-22 11:23:50,465 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:50,466 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:50,466 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:50,466 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:50,467 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:50,467 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:50,467 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:50,467 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:50,467 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:50,467 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:50,467 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:50,468 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:50,468 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:23:50,468 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:23:50,468 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:50,469 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:23:50,469 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:50,469 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:50,469 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:23:50,469 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:23:50,469 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:23:50,470 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:50,470 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:50,470 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:50,470 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:50,470 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:50,470 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:50,471 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:50,471 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:50,471 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:50,471 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:50,471 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:50,471 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_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c57ebc44b313bf301635c00d4458ecfdd41286b1 [2019-10-22 11:23:50,500 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:50,519 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:50,522 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:50,523 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:50,523 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:50,524 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2019-10-22 11:23:50,571 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan/data/e37ee4bec/cccdcacd93e34bd19e8a6fed5804b563/FLAG726a3540e [2019-10-22 11:23:51,076 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:51,078 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2019-10-22 11:23:51,095 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan/data/e37ee4bec/cccdcacd93e34bd19e8a6fed5804b563/FLAG726a3540e [2019-10-22 11:23:51,356 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan/data/e37ee4bec/cccdcacd93e34bd19e8a6fed5804b563 [2019-10-22 11:23:51,359 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:51,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:51,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:51,361 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:51,364 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:51,365 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:51" (1/1) ... [2019-10-22 11:23:51,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f55c3b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:51, skipping insertion in model container [2019-10-22 11:23:51,368 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:51" (1/1) ... [2019-10-22 11:23:51,374 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:51,421 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:52,044 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:52,066 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:52,174 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:52,332 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:52,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:52 WrapperNode [2019-10-22 11:23:52,332 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:52,333 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:52,333 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:52,333 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:52,342 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:52" (1/1) ... [2019-10-22 11:23:52,371 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:52" (1/1) ... [2019-10-22 11:23:52,436 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:52,436 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:52,437 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:52,437 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:52,443 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:52" (1/1) ... [2019-10-22 11:23:52,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:52" (1/1) ... [2019-10-22 11:23:52,452 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:52" (1/1) ... [2019-10-22 11:23:52,453 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:52" (1/1) ... [2019-10-22 11:23:52,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:52" (1/1) ... [2019-10-22 11:23:52,497 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:52" (1/1) ... [2019-10-22 11:23:52,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:52" (1/1) ... [2019-10-22 11:23:52,514 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:52,514 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:52,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:52,516 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:52,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/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 11:23:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:23:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:23:52,580 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:23:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:23:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:23:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-10-22 11:23:52,581 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:23:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:23:52,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:52,582 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:54,087 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:54,088 INFO L284 CfgBuilder]: Removed 26 assume(true) statements. [2019-10-22 11:23:54,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:54 BoogieIcfgContainer [2019-10-22 11:23:54,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:54,092 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:54,092 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:54,095 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:54,095 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:51" (1/3) ... [2019-10-22 11:23:54,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a73943e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:54, skipping insertion in model container [2019-10-22 11:23:54,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:52" (2/3) ... [2019-10-22 11:23:54,096 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6a73943e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:54, skipping insertion in model container [2019-10-22 11:23:54,096 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:54" (3/3) ... [2019-10-22 11:23:54,098 INFO L109 eAbstractionObserver]: Analyzing ICFG basename-2.i [2019-10-22 11:23:54,109 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:54,117 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 93 error locations. [2019-10-22 11:23:54,127 INFO L249 AbstractCegarLoop]: Starting to check reachability of 93 error locations. [2019-10-22 11:23:54,147 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:54,148 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:23:54,148 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:54,148 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:54,148 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:54,148 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:54,148 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:54,148 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:54,173 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states. [2019-10-22 11:23:54,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 11:23:54,183 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:54,184 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 11:23:54,187 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION]=== [2019-10-22 11:23:54,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:54,193 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2019-10-22 11:23:54,202 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:54,203 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1649454985] [2019-10-22 11:23:54,203 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:54,203 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:54,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:54,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:54,629 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 11:23:54,629 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1649454985] [2019-10-22 11:23:54,630 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:54,630 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:54,630 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960337857] [2019-10-22 11:23:54,633 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:54,635 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:54,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:54,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:54,647 INFO L87 Difference]: Start difference. First operand 235 states. Second operand 3 states. [2019-10-22 11:23:54,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:54,974 INFO L93 Difference]: Finished difference Result 249 states and 284 transitions. [2019-10-22 11:23:54,974 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:54,976 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-10-22 11:23:54,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:54,988 INFO L225 Difference]: With dead ends: 249 [2019-10-22 11:23:54,988 INFO L226 Difference]: Without dead ends: 247 [2019-10-22 11:23:54,990 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 11:23:55,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2019-10-22 11:23:55,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 231. [2019-10-22 11:23:55,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 231 states. [2019-10-22 11:23:55,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 265 transitions. [2019-10-22 11:23:55,046 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 265 transitions. Word has length 3 [2019-10-22 11:23:55,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:55,047 INFO L462 AbstractCegarLoop]: Abstraction has 231 states and 265 transitions. [2019-10-22 11:23:55,047 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:55,049 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 265 transitions. [2019-10-22 11:23:55,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 11:23:55,050 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:55,050 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 11:23:55,051 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION]=== [2019-10-22 11:23:55,051 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:55,051 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2019-10-22 11:23:55,051 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:55,052 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391417843] [2019-10-22 11:23:55,052 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:55,052 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:55,052 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:55,204 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 11:23:55,204 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391417843] [2019-10-22 11:23:55,205 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:55,205 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:55,205 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863611644] [2019-10-22 11:23:55,206 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:55,207 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:55,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:55,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:55,208 INFO L87 Difference]: Start difference. First operand 231 states and 265 transitions. Second operand 3 states. [2019-10-22 11:23:55,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:55,551 INFO L93 Difference]: Finished difference Result 230 states and 264 transitions. [2019-10-22 11:23:55,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:55,552 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-10-22 11:23:55,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:55,553 INFO L225 Difference]: With dead ends: 230 [2019-10-22 11:23:55,553 INFO L226 Difference]: Without dead ends: 230 [2019-10-22 11:23:55,554 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 11:23:55,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2019-10-22 11:23:55,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230. [2019-10-22 11:23:55,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2019-10-22 11:23:55,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 264 transitions. [2019-10-22 11:23:55,571 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 264 transitions. Word has length 3 [2019-10-22 11:23:55,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:55,572 INFO L462 AbstractCegarLoop]: Abstraction has 230 states and 264 transitions. [2019-10-22 11:23:55,572 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:55,572 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 264 transitions. [2019-10-22 11:23:55,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 11:23:55,572 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:55,572 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-10-22 11:23:55,573 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION]=== [2019-10-22 11:23:55,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:55,574 INFO L82 PathProgramCache]: Analyzing trace with hash 889446313, now seen corresponding path program 1 times [2019-10-22 11:23:55,574 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:55,574 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923941862] [2019-10-22 11:23:55,574 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:55,574 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:55,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:55,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:55,713 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 11:23:55,713 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923941862] [2019-10-22 11:23:55,714 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:55,714 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:55,714 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [707879175] [2019-10-22 11:23:55,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:55,714 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:55,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:55,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:55,715 INFO L87 Difference]: Start difference. First operand 230 states and 264 transitions. Second operand 4 states. [2019-10-22 11:23:55,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:55,994 INFO L93 Difference]: Finished difference Result 234 states and 268 transitions. [2019-10-22 11:23:55,995 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:55,995 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 6 [2019-10-22 11:23:55,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:55,996 INFO L225 Difference]: With dead ends: 234 [2019-10-22 11:23:55,996 INFO L226 Difference]: Without dead ends: 234 [2019-10-22 11:23:55,997 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:55,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2019-10-22 11:23:56,010 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 232. [2019-10-22 11:23:56,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 232 states. [2019-10-22 11:23:56,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 232 states and 266 transitions. [2019-10-22 11:23:56,019 INFO L78 Accepts]: Start accepts. Automaton has 232 states and 266 transitions. Word has length 6 [2019-10-22 11:23:56,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:56,019 INFO L462 AbstractCegarLoop]: Abstraction has 232 states and 266 transitions. [2019-10-22 11:23:56,019 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:56,020 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 266 transitions. [2019-10-22 11:23:56,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 11:23:56,020 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:56,020 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:56,021 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION]=== [2019-10-22 11:23:56,021 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:56,021 INFO L82 PathProgramCache]: Analyzing trace with hash 1261842348, now seen corresponding path program 1 times [2019-10-22 11:23:56,021 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:56,021 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1970730961] [2019-10-22 11:23:56,021 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:56,022 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:56,022 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:56,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:56,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:56,210 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1970730961] [2019-10-22 11:23:56,210 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:56,210 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:23:56,210 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753962728] [2019-10-22 11:23:56,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:56,211 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:56,211 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:56,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:56,211 INFO L87 Difference]: Start difference. First operand 232 states and 266 transitions. Second operand 6 states. [2019-10-22 11:23:56,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:56,476 INFO L93 Difference]: Finished difference Result 233 states and 267 transitions. [2019-10-22 11:23:56,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:56,477 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 10 [2019-10-22 11:23:56,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:56,478 INFO L225 Difference]: With dead ends: 233 [2019-10-22 11:23:56,478 INFO L226 Difference]: Without dead ends: 233 [2019-10-22 11:23:56,479 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:56,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2019-10-22 11:23:56,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 230. [2019-10-22 11:23:56,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2019-10-22 11:23:56,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 264 transitions. [2019-10-22 11:23:56,499 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 264 transitions. Word has length 10 [2019-10-22 11:23:56,499 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:56,499 INFO L462 AbstractCegarLoop]: Abstraction has 230 states and 264 transitions. [2019-10-22 11:23:56,499 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:56,499 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 264 transitions. [2019-10-22 11:23:56,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 11:23:56,500 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:56,500 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:56,500 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION]=== [2019-10-22 11:23:56,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:56,501 INFO L82 PathProgramCache]: Analyzing trace with hash 462405445, now seen corresponding path program 1 times [2019-10-22 11:23:56,501 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:56,501 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1088466578] [2019-10-22 11:23:56,501 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:56,501 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:56,501 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:56,636 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 11:23:56,636 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1088466578] [2019-10-22 11:23:56,636 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [534926961] [2019-10-22 11:23:56,637 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/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 11:23:56,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:56,822 INFO L256 TraceCheckSpWp]: Trace formula consists of 867 conjuncts, 3 conjunts are in the unsatisfiable core [2019-10-22 11:23:56,827 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:23:56,857 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 11:23:56,861 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:23:56,889 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 11:23:56,889 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [1315050351] [2019-10-22 11:23:56,898 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 12 [2019-10-22 11:23:56,954 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:23:56,954 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:23:57,425 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:23:57,426 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 11:23:57,432 INFO L168 Benchmark]: Toolchain (without parser) took 6070.83 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 234.9 MB). Free memory was 939.1 MB in the beginning and 1.0 GB in the end (delta: -68.8 MB). Peak memory consumption was 166.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:57,433 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:57,433 INFO L168 Benchmark]: CACSL2BoogieTranslator took 971.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.1 MB in the beginning and 1.0 GB in the end (delta: -102.4 MB). Peak memory consumption was 53.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:57,434 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:57,434 INFO L168 Benchmark]: Boogie Preprocessor took 77.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:57,435 INFO L168 Benchmark]: RCFGBuilder took 1576.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 910.3 MB in the end (delta: 117.6 MB). Peak memory consumption was 117.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:23:57,441 INFO L168 Benchmark]: TraceAbstraction took 3338.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.2 MB). Free memory was 910.3 MB in the beginning and 1.0 GB in the end (delta: -97.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:23:57,443 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 971.23 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 939.1 MB in the beginning and 1.0 GB in the end (delta: -102.4 MB). Peak memory consumption was 53.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 103.47 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.65 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1576.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 910.3 MB in the end (delta: 117.6 MB). Peak memory consumption was 117.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3338.40 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 91.2 MB). Free memory was 910.3 MB in the beginning and 1.0 GB in the end (delta: -97.7 MB). There was no memory consumed. 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 11:23:59,518 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:59,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:59,528 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:59,529 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:59,529 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:59,530 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:59,532 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:59,533 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:59,533 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:59,534 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:59,535 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:59,535 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:59,536 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:59,537 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:59,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:59,538 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:59,539 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:59,540 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:59,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:59,543 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:59,544 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:59,545 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:59,545 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:59,548 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:59,548 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:59,548 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:59,552 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:59,553 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:59,554 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:59,554 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:59,555 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:59,555 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:59,556 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:59,557 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:59,557 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:59,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:59,558 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:59,558 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:59,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:59,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:59,562 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan/config/svcomp-DerefFreeMemtrack-64bit-Taipan_Bitvector.epf [2019-10-22 11:23:59,580 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:59,583 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:59,584 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:59,584 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:59,584 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:59,585 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:59,585 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:59,585 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:59,585 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:59,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:23:59,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:23:59,586 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:59,586 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:23:59,586 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:59,587 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:59,587 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:23:59,587 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:23:59,587 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:23:59,587 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:59,587 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:23:59,587 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:23:59,588 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:23:59,588 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:59,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:59,588 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:59,588 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:59,588 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:59,589 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:59,589 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:59,589 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:23:59,589 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:23:59,589 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:59,589 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_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c57ebc44b313bf301635c00d4458ecfdd41286b1 [2019-10-22 11:23:59,616 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:59,626 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:59,629 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:59,630 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:59,631 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:59,631 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan/../../sv-benchmarks/c/busybox-1.22.0/basename-2.i [2019-10-22 11:23:59,680 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan/data/c5af7790e/2e267b6042344a5ebef4eb879b873473/FLAG068983ef5 [2019-10-22 11:24:00,183 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:24:00,183 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/sv-benchmarks/c/busybox-1.22.0/basename-2.i [2019-10-22 11:24:00,199 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan/data/c5af7790e/2e267b6042344a5ebef4eb879b873473/FLAG068983ef5 [2019-10-22 11:24:00,652 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/bin/utaipan/data/c5af7790e/2e267b6042344a5ebef4eb879b873473 [2019-10-22 11:24:00,656 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:24:00,657 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:24:00,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:00,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:24:00,662 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:24:00,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:00" (1/1) ... [2019-10-22 11:24:00,665 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f1c8bcf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:00, skipping insertion in model container [2019-10-22 11:24:00,665 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:24:00" (1/1) ... [2019-10-22 11:24:00,674 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:24:00,740 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:24:01,430 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:01,452 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:24:01,551 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:24:01,729 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:24:01,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:01 WrapperNode [2019-10-22 11:24:01,729 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:24:01,730 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:01,730 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:24:01,731 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:24:01,738 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:01" (1/1) ... [2019-10-22 11:24:01,778 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:01" (1/1) ... [2019-10-22 11:24:01,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:24:01,815 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:24:01,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:24:01,816 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:24:01,825 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:01" (1/1) ... [2019-10-22 11:24:01,826 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:01" (1/1) ... [2019-10-22 11:24:01,836 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:01" (1/1) ... [2019-10-22 11:24:01,838 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:01" (1/1) ... [2019-10-22 11:24:01,880 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:01" (1/1) ... [2019-10-22 11:24:01,886 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:01" (1/1) ... [2019-10-22 11:24:01,895 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:01" (1/1) ... [2019-10-22 11:24:01,906 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:24:01,907 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:24:01,907 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:24:01,907 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:24:01,910 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/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 11:24:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2019-10-22 11:24:01,975 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:24:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:24:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:24:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2019-10-22 11:24:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:24:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:24:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2019-10-22 11:24:01,976 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2019-10-22 11:24:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:24:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure strrchr [2019-10-22 11:24:01,977 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:24:01,978 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:24:01,978 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:24:03,612 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:24:03,612 INFO L284 CfgBuilder]: Removed 26 assume(true) statements. [2019-10-22 11:24:03,614 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:03 BoogieIcfgContainer [2019-10-22 11:24:03,614 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:24:03,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:24:03,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:24:03,619 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:24:03,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:24:00" (1/3) ... [2019-10-22 11:24:03,621 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40816a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:03, skipping insertion in model container [2019-10-22 11:24:03,621 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:24:01" (2/3) ... [2019-10-22 11:24:03,622 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40816a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:24:03, skipping insertion in model container [2019-10-22 11:24:03,622 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:24:03" (3/3) ... [2019-10-22 11:24:03,624 INFO L109 eAbstractionObserver]: Analyzing ICFG basename-2.i [2019-10-22 11:24:03,633 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:24:03,642 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 93 error locations. [2019-10-22 11:24:03,654 INFO L249 AbstractCegarLoop]: Starting to check reachability of 93 error locations. [2019-10-22 11:24:03,675 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:24:03,677 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:24:03,677 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:24:03,677 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:24:03,677 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:24:03,678 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:24:03,678 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:24:03,678 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:24:03,704 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states. [2019-10-22 11:24:03,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 11:24:03,714 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:03,715 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 11:24:03,717 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr88ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr43ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr71REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr84ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr47REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr64REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr89ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr85ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr60ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr90ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr70REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr86ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr46REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr87ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr61ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr65REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr83ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION]=== [2019-10-22 11:24:03,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:03,724 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2019-10-22 11:24:03,736 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:24:03,736 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [1590567734] [2019-10-22 11:24:03,737 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_762f70ae-c8e8-4876-aa6f-24b1dd6148fb/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 11:24:04,067 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:24:04,068 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 11:24:04,073 INFO L168 Benchmark]: Toolchain (without parser) took 3415.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 945.6 MB in the beginning and 892.7 MB in the end (delta: 52.9 MB). Peak memory consumption was 181.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:04,074 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:04,074 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1071.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 945.6 MB in the beginning and 1.0 GB in the end (delta: -84.0 MB). Peak memory consumption was 57.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:04,075 INFO L168 Benchmark]: Boogie Procedure Inliner took 84.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:04,076 INFO L168 Benchmark]: Boogie Preprocessor took 91.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:04,076 INFO L168 Benchmark]: RCFGBuilder took 1707.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 925.7 MB in the end (delta: 90.8 MB). Peak memory consumption was 90.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:04,077 INFO L168 Benchmark]: TraceAbstraction took 455.71 ms. Allocated memory is still 1.2 GB. Free memory was 925.7 MB in the beginning and 892.7 MB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:04,080 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1071.65 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 945.6 MB in the beginning and 1.0 GB in the end (delta: -84.0 MB). Peak memory consumption was 57.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 84.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1707.32 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 925.7 MB in the end (delta: 90.8 MB). Peak memory consumption was 90.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 455.71 ms. Allocated memory is still 1.2 GB. Free memory was 925.7 MB in the beginning and 892.7 MB in the end (delta: 32.9 MB). Peak memory consumption was 32.9 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...