./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 436b5c72ff67e2244c8257fbd882ddaf383eff22 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 436b5c72ff67e2244c8257fbd882ddaf383eff22 ...................................................................................................................................................................................................................................................... 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 11:22:14,447 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:14,448 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:14,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:14,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:14,457 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:14,459 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:14,460 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:14,462 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:14,462 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:14,463 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:14,464 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:14,464 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:14,465 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:14,466 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:14,467 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:14,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:14,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:14,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:14,471 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:14,472 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:14,473 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:14,474 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:14,474 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:14,476 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:14,477 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:14,477 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:14,477 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:14,478 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:14,479 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:14,479 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:14,480 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:14,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:14,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:14,482 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:14,482 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:14,482 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:14,483 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:14,483 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:14,483 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:14,484 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:14,484 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-10-22 11:22:14,496 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:14,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:14,497 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:14,497 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:14,497 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:14,497 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:14,498 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:22:14,498 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:14,498 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:14,498 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:22:14,499 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:22:14,499 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:14,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:22:14,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:22:14,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:14,500 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:14,500 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:22:14,500 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:14,500 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:14,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:14,501 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:22:14,501 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:22:14,501 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:22:14,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:14,501 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:14,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:14,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:14,502 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:14,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:14,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:14,503 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:14,503 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:14,503 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:22:14,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:22:14,504 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:14,504 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_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 436b5c72ff67e2244c8257fbd882ddaf383eff22 [2019-10-22 11:22:14,528 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:14,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:14,541 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:14,545 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:14,545 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:14,546 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan/../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i [2019-10-22 11:22:14,594 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan/data/63e892987/241745dc20df42fdb7418ca762ee0edd/FLAG8fc8b4fc4 [2019-10-22 11:22:15,037 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:15,037 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i [2019-10-22 11:22:15,048 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan/data/63e892987/241745dc20df42fdb7418ca762ee0edd/FLAG8fc8b4fc4 [2019-10-22 11:22:15,389 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan/data/63e892987/241745dc20df42fdb7418ca762ee0edd [2019-10-22 11:22:15,391 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:15,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:15,393 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:15,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:15,397 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:15,398 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:15" (1/1) ... [2019-10-22 11:22:15,400 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28445939 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:15, skipping insertion in model container [2019-10-22 11:22:15,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:15" (1/1) ... [2019-10-22 11:22:15,407 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:15,446 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:15,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:15,787 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:15,829 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:15,874 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:15,874 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:15 WrapperNode [2019-10-22 11:22:15,874 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:15,875 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:15,876 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:15,876 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:15,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:15" (1/1) ... [2019-10-22 11:22:15,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:15" (1/1) ... [2019-10-22 11:22:15,930 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:15,931 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:15,931 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:15,931 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:15,940 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:15" (1/1) ... [2019-10-22 11:22:15,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:15" (1/1) ... [2019-10-22 11:22:15,944 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:15" (1/1) ... [2019-10-22 11:22:15,954 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:15" (1/1) ... [2019-10-22 11:22:15,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:15" (1/1) ... [2019-10-22 11:22:15,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:15" (1/1) ... [2019-10-22 11:22:15,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:15" (1/1) ... [2019-10-22 11:22:15,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:15,986 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:15,986 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:15,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:15,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:15" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/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 11:22:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:22:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:22:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:22:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:22:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:22:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:22:16,051 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:16,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:16,640 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:16,640 INFO L284 CfgBuilder]: Removed 15 assume(true) statements. [2019-10-22 11:22:16,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:16 BoogieIcfgContainer [2019-10-22 11:22:16,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:16,642 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:16,643 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:16,645 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:16,646 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:15" (1/3) ... [2019-10-22 11:22:16,646 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c312d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:16, skipping insertion in model container [2019-10-22 11:22:16,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:15" (2/3) ... [2019-10-22 11:22:16,647 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30c312d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:16, skipping insertion in model container [2019-10-22 11:22:16,647 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:16" (3/3) ... [2019-10-22 11:22:16,649 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-rb-sentinel-1.i [2019-10-22 11:22:16,655 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:16,661 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 57 error locations. [2019-10-22 11:22:16,668 INFO L249 AbstractCegarLoop]: Starting to check reachability of 57 error locations. [2019-10-22 11:22:16,685 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:16,685 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:22:16,685 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:16,685 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:16,686 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:16,686 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:16,686 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:16,686 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:16,707 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states. [2019-10-22 11:22:16,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 11:22:16,714 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:16,714 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 11:22:16,716 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION]=== [2019-10-22 11:22:16,721 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:16,721 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2019-10-22 11:22:16,729 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:16,730 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [882023058] [2019-10-22 11:22:16,730 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:16,730 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:16,730 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:16,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:16,848 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 11:22:16,848 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [882023058] [2019-10-22 11:22:16,849 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:16,850 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:16,850 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [821213969] [2019-10-22 11:22:16,854 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:16,855 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:16,869 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:16,870 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:16,872 INFO L87 Difference]: Start difference. First operand 123 states. Second operand 3 states. [2019-10-22 11:22:17,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:17,039 INFO L93 Difference]: Finished difference Result 151 states and 158 transitions. [2019-10-22 11:22:17,040 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:17,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-10-22 11:22:17,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:17,051 INFO L225 Difference]: With dead ends: 151 [2019-10-22 11:22:17,051 INFO L226 Difference]: Without dead ends: 149 [2019-10-22 11:22:17,053 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 11:22:17,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2019-10-22 11:22:17,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 123. [2019-10-22 11:22:17,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2019-10-22 11:22:17,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 131 transitions. [2019-10-22 11:22:17,089 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 131 transitions. Word has length 3 [2019-10-22 11:22:17,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:17,089 INFO L462 AbstractCegarLoop]: Abstraction has 123 states and 131 transitions. [2019-10-22 11:22:17,089 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:17,089 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 131 transitions. [2019-10-22 11:22:17,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 11:22:17,090 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:17,090 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 11:22:17,090 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION]=== [2019-10-22 11:22:17,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:17,091 INFO L82 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2019-10-22 11:22:17,091 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:17,091 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [461206478] [2019-10-22 11:22:17,091 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:17,091 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:17,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:17,123 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 11:22:17,123 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [461206478] [2019-10-22 11:22:17,123 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:17,123 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:17,124 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [273328967] [2019-10-22 11:22:17,125 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:17,125 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:17,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:17,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:17,126 INFO L87 Difference]: Start difference. First operand 123 states and 131 transitions. Second operand 3 states. [2019-10-22 11:22:17,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:17,263 INFO L93 Difference]: Finished difference Result 120 states and 127 transitions. [2019-10-22 11:22:17,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:17,263 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 3 [2019-10-22 11:22:17,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:17,264 INFO L225 Difference]: With dead ends: 120 [2019-10-22 11:22:17,265 INFO L226 Difference]: Without dead ends: 120 [2019-10-22 11:22:17,265 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 11:22:17,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2019-10-22 11:22:17,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2019-10-22 11:22:17,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-10-22 11:22:17,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 127 transitions. [2019-10-22 11:22:17,279 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 127 transitions. Word has length 3 [2019-10-22 11:22:17,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:17,281 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 127 transitions. [2019-10-22 11:22:17,281 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:17,281 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 127 transitions. [2019-10-22 11:22:17,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 11:22:17,281 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:17,281 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-10-22 11:22:17,282 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION]=== [2019-10-22 11:22:17,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:17,282 INFO L82 PathProgramCache]: Analyzing trace with hash 889446152, now seen corresponding path program 1 times [2019-10-22 11:22:17,282 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:17,283 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539277003] [2019-10-22 11:22:17,283 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:17,283 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:17,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:17,342 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 11:22:17,343 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539277003] [2019-10-22 11:22:17,343 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:17,343 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:17,343 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243576139] [2019-10-22 11:22:17,344 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:17,345 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:17,345 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:17,345 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:17,345 INFO L87 Difference]: Start difference. First operand 120 states and 127 transitions. Second operand 3 states. [2019-10-22 11:22:17,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:17,474 INFO L93 Difference]: Finished difference Result 117 states and 123 transitions. [2019-10-22 11:22:17,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:17,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-10-22 11:22:17,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:17,476 INFO L225 Difference]: With dead ends: 117 [2019-10-22 11:22:17,476 INFO L226 Difference]: Without dead ends: 117 [2019-10-22 11:22:17,476 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 11:22:17,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2019-10-22 11:22:17,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 115. [2019-10-22 11:22:17,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2019-10-22 11:22:17,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 123 transitions. [2019-10-22 11:22:17,487 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 123 transitions. Word has length 6 [2019-10-22 11:22:17,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:17,487 INFO L462 AbstractCegarLoop]: Abstraction has 115 states and 123 transitions. [2019-10-22 11:22:17,487 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:17,488 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 123 transitions. [2019-10-22 11:22:17,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2019-10-22 11:22:17,488 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:17,488 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2019-10-22 11:22:17,488 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION]=== [2019-10-22 11:22:17,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:17,489 INFO L82 PathProgramCache]: Analyzing trace with hash 889446153, now seen corresponding path program 1 times [2019-10-22 11:22:17,489 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:17,489 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596568435] [2019-10-22 11:22:17,489 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:17,489 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:17,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:17,540 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 11:22:17,540 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596568435] [2019-10-22 11:22:17,540 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:17,540 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:22:17,540 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [955887444] [2019-10-22 11:22:17,541 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:22:17,541 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:17,541 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:22:17,542 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:22:17,542 INFO L87 Difference]: Start difference. First operand 115 states and 123 transitions. Second operand 3 states. [2019-10-22 11:22:17,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:17,643 INFO L93 Difference]: Finished difference Result 133 states and 139 transitions. [2019-10-22 11:22:17,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:22:17,643 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 6 [2019-10-22 11:22:17,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:17,644 INFO L225 Difference]: With dead ends: 133 [2019-10-22 11:22:17,644 INFO L226 Difference]: Without dead ends: 133 [2019-10-22 11:22:17,645 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 11:22:17,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2019-10-22 11:22:17,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 120. [2019-10-22 11:22:17,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2019-10-22 11:22:17,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 128 transitions. [2019-10-22 11:22:17,650 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 128 transitions. Word has length 6 [2019-10-22 11:22:17,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:17,651 INFO L462 AbstractCegarLoop]: Abstraction has 120 states and 128 transitions. [2019-10-22 11:22:17,651 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:22:17,651 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 128 transitions. [2019-10-22 11:22:17,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 11:22:17,651 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:17,651 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:17,652 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION]=== [2019-10-22 11:22:17,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:17,652 INFO L82 PathProgramCache]: Analyzing trace with hash 171980525, now seen corresponding path program 1 times [2019-10-22 11:22:17,652 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:17,653 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109288687] [2019-10-22 11:22:17,653 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:17,653 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:17,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:17,713 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 11:22:17,714 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2109288687] [2019-10-22 11:22:17,714 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:17,714 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:22:17,714 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [843212923] [2019-10-22 11:22:17,714 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:22:17,715 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:17,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:22:17,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:22:17,715 INFO L87 Difference]: Start difference. First operand 120 states and 128 transitions. Second operand 4 states. [2019-10-22 11:22:17,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:17,891 INFO L93 Difference]: Finished difference Result 124 states and 134 transitions. [2019-10-22 11:22:17,892 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:22:17,892 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2019-10-22 11:22:17,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:17,892 INFO L225 Difference]: With dead ends: 124 [2019-10-22 11:22:17,893 INFO L226 Difference]: Without dead ends: 124 [2019-10-22 11:22:17,893 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:22:17,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2019-10-22 11:22:17,899 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 111. [2019-10-22 11:22:17,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-10-22 11:22:17,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 121 transitions. [2019-10-22 11:22:17,900 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 121 transitions. Word has length 11 [2019-10-22 11:22:17,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:17,900 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 121 transitions. [2019-10-22 11:22:17,900 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:22:17,901 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 121 transitions. [2019-10-22 11:22:17,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-10-22 11:22:17,901 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:17,901 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:17,902 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION]=== [2019-10-22 11:22:17,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:17,902 INFO L82 PathProgramCache]: Analyzing trace with hash 171980526, now seen corresponding path program 1 times [2019-10-22 11:22:17,903 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:17,903 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214250224] [2019-10-22 11:22:17,903 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:17,903 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:17,903 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:17,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:17,999 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 11:22:18,000 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214250224] [2019-10-22 11:22:18,000 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:18,000 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:22:18,000 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [334476425] [2019-10-22 11:22:18,001 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:22:18,001 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:18,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:22:18,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:22:18,001 INFO L87 Difference]: Start difference. First operand 111 states and 121 transitions. Second operand 6 states. [2019-10-22 11:22:18,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:18,279 INFO L93 Difference]: Finished difference Result 147 states and 157 transitions. [2019-10-22 11:22:18,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:18,280 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 11 [2019-10-22 11:22:18,280 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:18,281 INFO L225 Difference]: With dead ends: 147 [2019-10-22 11:22:18,281 INFO L226 Difference]: Without dead ends: 147 [2019-10-22 11:22:18,281 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:22:18,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-10-22 11:22:18,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 117. [2019-10-22 11:22:18,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2019-10-22 11:22:18,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 128 transitions. [2019-10-22 11:22:18,287 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 128 transitions. Word has length 11 [2019-10-22 11:22:18,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:18,287 INFO L462 AbstractCegarLoop]: Abstraction has 117 states and 128 transitions. [2019-10-22 11:22:18,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:22:18,288 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 128 transitions. [2019-10-22 11:22:18,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 11:22:18,288 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:18,288 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:18,289 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION]=== [2019-10-22 11:22:18,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:18,289 INFO L82 PathProgramCache]: Analyzing trace with hash -424163756, now seen corresponding path program 1 times [2019-10-22 11:22:18,289 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:18,290 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113268034] [2019-10-22 11:22:18,290 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:18,290 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:18,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:18,340 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 11:22:18,341 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113268034] [2019-10-22 11:22:18,341 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:18,341 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:22:18,341 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [772324920] [2019-10-22 11:22:18,342 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:22:18,342 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:18,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:22:18,342 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:22:18,342 INFO L87 Difference]: Start difference. First operand 117 states and 128 transitions. Second operand 6 states. [2019-10-22 11:22:18,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:18,637 INFO L93 Difference]: Finished difference Result 186 states and 207 transitions. [2019-10-22 11:22:18,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:22:18,637 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-10-22 11:22:18,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:18,640 INFO L225 Difference]: With dead ends: 186 [2019-10-22 11:22:18,640 INFO L226 Difference]: Without dead ends: 186 [2019-10-22 11:22:18,640 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:18,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2019-10-22 11:22:18,645 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 116. [2019-10-22 11:22:18,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 116 states. [2019-10-22 11:22:18,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 127 transitions. [2019-10-22 11:22:18,646 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 127 transitions. Word has length 14 [2019-10-22 11:22:18,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:18,646 INFO L462 AbstractCegarLoop]: Abstraction has 116 states and 127 transitions. [2019-10-22 11:22:18,646 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:22:18,646 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 127 transitions. [2019-10-22 11:22:18,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 11:22:18,647 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:18,647 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:18,647 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION]=== [2019-10-22 11:22:18,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:18,648 INFO L82 PathProgramCache]: Analyzing trace with hash -424163755, now seen corresponding path program 1 times [2019-10-22 11:22:18,648 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:18,648 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108347714] [2019-10-22 11:22:18,648 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:18,648 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:18,648 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:18,734 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 11:22:18,734 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108347714] [2019-10-22 11:22:18,734 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:18,734 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:22:18,734 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1197213838] [2019-10-22 11:22:18,735 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:22:18,735 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:18,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:22:18,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:22:18,735 INFO L87 Difference]: Start difference. First operand 116 states and 127 transitions. Second operand 6 states. [2019-10-22 11:22:19,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:19,048 INFO L93 Difference]: Finished difference Result 195 states and 215 transitions. [2019-10-22 11:22:19,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:22:19,048 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-10-22 11:22:19,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:19,049 INFO L225 Difference]: With dead ends: 195 [2019-10-22 11:22:19,049 INFO L226 Difference]: Without dead ends: 195 [2019-10-22 11:22:19,049 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:22:19,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2019-10-22 11:22:19,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 111. [2019-10-22 11:22:19,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-10-22 11:22:19,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 122 transitions. [2019-10-22 11:22:19,054 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 122 transitions. Word has length 14 [2019-10-22 11:22:19,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:19,054 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 122 transitions. [2019-10-22 11:22:19,054 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:22:19,054 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 122 transitions. [2019-10-22 11:22:19,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 11:22:19,055 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:19,055 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:19,056 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION]=== [2019-10-22 11:22:19,056 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:19,056 INFO L82 PathProgramCache]: Analyzing trace with hash 421474943, now seen corresponding path program 1 times [2019-10-22 11:22:19,056 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:19,056 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846915570] [2019-10-22 11:22:19,056 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:19,056 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:19,057 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:19,096 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 11:22:19,096 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846915570] [2019-10-22 11:22:19,096 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:19,096 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:22:19,097 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671312344] [2019-10-22 11:22:19,097 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:22:19,097 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:19,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:22:19,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:22:19,097 INFO L87 Difference]: Start difference. First operand 111 states and 122 transitions. Second operand 6 states. [2019-10-22 11:22:19,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:19,278 INFO L93 Difference]: Finished difference Result 137 states and 149 transitions. [2019-10-22 11:22:19,278 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:22:19,278 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2019-10-22 11:22:19,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:19,279 INFO L225 Difference]: With dead ends: 137 [2019-10-22 11:22:19,279 INFO L226 Difference]: Without dead ends: 137 [2019-10-22 11:22:19,279 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:22:19,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2019-10-22 11:22:19,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 111. [2019-10-22 11:22:19,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 111 states. [2019-10-22 11:22:19,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 121 transitions. [2019-10-22 11:22:19,286 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 121 transitions. Word has length 20 [2019-10-22 11:22:19,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:19,287 INFO L462 AbstractCegarLoop]: Abstraction has 111 states and 121 transitions. [2019-10-22 11:22:19,287 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:22:19,287 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 121 transitions. [2019-10-22 11:22:19,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:22:19,287 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:19,288 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:19,288 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION]=== [2019-10-22 11:22:19,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:19,288 INFO L82 PathProgramCache]: Analyzing trace with hash -519135549, now seen corresponding path program 1 times [2019-10-22 11:22:19,288 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:19,289 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089271638] [2019-10-22 11:22:19,289 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:19,289 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:19,289 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:19,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:19,368 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 11:22:19,368 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089271638] [2019-10-22 11:22:19,368 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:19,368 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:22:19,369 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [938170358] [2019-10-22 11:22:19,369 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:22:19,369 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:19,369 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:22:19,369 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:22:19,369 INFO L87 Difference]: Start difference. First operand 111 states and 121 transitions. Second operand 6 states. [2019-10-22 11:22:19,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:19,590 INFO L93 Difference]: Finished difference Result 173 states and 191 transitions. [2019-10-22 11:22:19,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:22:19,590 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-10-22 11:22:19,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:19,591 INFO L225 Difference]: With dead ends: 173 [2019-10-22 11:22:19,591 INFO L226 Difference]: Without dead ends: 173 [2019-10-22 11:22:19,591 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:19,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2019-10-22 11:22:19,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 110. [2019-10-22 11:22:19,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2019-10-22 11:22:19,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 120 transitions. [2019-10-22 11:22:19,595 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 120 transitions. Word has length 22 [2019-10-22 11:22:19,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:19,595 INFO L462 AbstractCegarLoop]: Abstraction has 110 states and 120 transitions. [2019-10-22 11:22:19,595 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:22:19,595 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 120 transitions. [2019-10-22 11:22:19,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-10-22 11:22:19,596 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:19,596 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:19,596 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION]=== [2019-10-22 11:22:19,596 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:19,596 INFO L82 PathProgramCache]: Analyzing trace with hash -519135548, now seen corresponding path program 1 times [2019-10-22 11:22:19,596 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:19,597 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660408570] [2019-10-22 11:22:19,597 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:19,597 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:19,597 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:19,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:19,672 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 11:22:19,673 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [660408570] [2019-10-22 11:22:19,673 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:22:19,673 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:22:19,673 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1463674730] [2019-10-22 11:22:19,673 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:22:19,673 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:22:19,674 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:22:19,674 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:22:19,674 INFO L87 Difference]: Start difference. First operand 110 states and 120 transitions. Second operand 6 states. [2019-10-22 11:22:19,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:22:19,928 INFO L93 Difference]: Finished difference Result 197 states and 216 transitions. [2019-10-22 11:22:19,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:22:19,928 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2019-10-22 11:22:19,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:22:19,929 INFO L225 Difference]: With dead ends: 197 [2019-10-22 11:22:19,929 INFO L226 Difference]: Without dead ends: 197 [2019-10-22 11:22:19,929 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:22:19,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2019-10-22 11:22:19,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 102. [2019-10-22 11:22:19,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2019-10-22 11:22:19,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 111 transitions. [2019-10-22 11:22:19,932 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 111 transitions. Word has length 22 [2019-10-22 11:22:19,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:22:19,933 INFO L462 AbstractCegarLoop]: Abstraction has 102 states and 111 transitions. [2019-10-22 11:22:19,933 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:22:19,933 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 111 transitions. [2019-10-22 11:22:19,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:22:19,933 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:19,933 INFO L380 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:22:19,934 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION]=== [2019-10-22 11:22:19,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:19,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1999496480, now seen corresponding path program 1 times [2019-10-22 11:22:19,937 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:22:19,937 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558198245] [2019-10-22 11:22:19,937 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:19,937 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:22:19,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:22:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:20,024 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:20,024 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558198245] [2019-10-22 11:22:20,024 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [927081136] [2019-10-22 11:22:20,025 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/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 11:22:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:22:20,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 17 conjunts are in the unsatisfiable core [2019-10-22 11:22:20,082 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 11:22:20,128 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-10-22 11:22:20,128 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 11:22:20,134 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:22:20,137 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2019-10-22 11:22:20,137 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 11:22:20,142 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:22:20,142 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:22:20,142 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:23, output treesize:15 [2019-10-22 11:22:20,159 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 11:22:20,162 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2019-10-22 11:22:20,162 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 11:22:20,170 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:22:20,174 INFO L189 IndexEqualityManager]: detected not equals via solver [2019-10-22 11:22:20,176 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 11 [2019-10-22 11:22:20,176 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 11:22:20,181 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:22:20,181 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:22:20,182 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:53, output treesize:15 [2019-10-22 11:22:20,192 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-10-22 11:22:20,192 INFO L496 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2019-10-22 11:22:20,199 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:22:20,202 INFO L375 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2019-10-22 11:22:20,202 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 11:22:20,206 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:22:20,207 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2019-10-22 11:22:20,207 INFO L221 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:7 [2019-10-22 11:22:20,210 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:20,210 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-10-22 11:22:20,218 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-10-22 11:22:20,233 INFO L496 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 11:22:20,237 INFO L496 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2019-10-22 11:22:20,250 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:22:20,253 INFO L496 ElimStorePlain]: Start of recursive call 4: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2019-10-22 11:22:20,257 INFO L496 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2019-10-22 11:22:20,263 INFO L567 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2019-10-22 11:22:20,264 INFO L496 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2019-10-22 11:22:20,264 INFO L221 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:97, output treesize:25 [2019-10-22 11:22:20,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:22:20,277 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleAbstractInterpretation [525000938] [2019-10-22 11:22:20,283 INFO L211 CegarAbsIntRunner]: Running AI on error trace of length 24 [2019-10-22 11:22:20,320 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2019-10-22 11:22:20,320 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-22 11:22:20,620 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 11:22:20,621 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 11:22:20,625 INFO L168 Benchmark]: Toolchain (without parser) took 5232.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 196.1 MB). Free memory was 934.3 MB in the beginning and 1.1 GB in the end (delta: -208.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:20,625 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:20,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 481.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 934.3 MB in the beginning and 1.1 GB in the end (delta: -195.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:20,626 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:20,632 INFO L168 Benchmark]: Boogie Preprocessor took 54.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:20,633 INFO L168 Benchmark]: RCFGBuilder took 655.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:20,633 INFO L168 Benchmark]: TraceAbstraction took 3981.24 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -63.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:20,635 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 481.64 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 934.3 MB in the beginning and 1.1 GB in the end (delta: -195.5 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 55.49 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 655.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 3981.24 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 48.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -63.2 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 11:22:22,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:22:22,606 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:22:22,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:22:22,616 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:22:22,617 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:22:22,618 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:22:22,619 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:22:22,620 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:22:22,621 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:22:22,622 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:22:22,623 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:22:22,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:22:22,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:22:22,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:22:22,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:22:22,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:22:22,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:22:22,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:22:22,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:22:22,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:22:22,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:22:22,632 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:22:22,632 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:22:22,634 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:22:22,634 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:22:22,635 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:22:22,635 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:22:22,636 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:22:22,637 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:22:22,637 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:22:22,637 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:22:22,638 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:22:22,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:22:22,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:22:22,640 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:22:22,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:22:22,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:22:22,641 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:22:22,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:22:22,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:22:22,642 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2019-10-22 11:22:22,654 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:22:22,654 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:22:22,655 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:22:22,655 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:22:22,655 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:22:22,655 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:22:22,655 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:22:22,655 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:22:22,655 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:22:22,656 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:22:22,656 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:22:22,656 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:22:22,656 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:22:22,657 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:22:22,657 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:22:22,657 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:22:22,657 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:22:22,657 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:22:22,657 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:22:22,657 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:22:22,658 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:22:22,658 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2019-10-22 11:22:22,658 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2019-10-22 11:22:22,658 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:22:22,658 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 11:22:22,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:22:22,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:22:22,659 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:22:22,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:22:22,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:22:22,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:22:22,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:22:22,659 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2019-10-22 11:22:22,659 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2019-10-22 11:22:22,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:22:22,660 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_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 436b5c72ff67e2244c8257fbd882ddaf383eff22 [2019-10-22 11:22:22,691 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:22:22,701 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:22:22,705 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:22:22,707 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:22:22,707 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:22:22,707 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan/../../sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i [2019-10-22 11:22:22,759 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan/data/4c782b2cd/8eb6b2cd5c474c40955822ed04db4378/FLAG9a8665b22 [2019-10-22 11:22:23,220 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:22:23,220 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/sv-benchmarks/c/forester-heap/sll-rb-sentinel-1.i [2019-10-22 11:22:23,230 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan/data/4c782b2cd/8eb6b2cd5c474c40955822ed04db4378/FLAG9a8665b22 [2019-10-22 11:22:23,242 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/bin/utaipan/data/4c782b2cd/8eb6b2cd5c474c40955822ed04db4378 [2019-10-22 11:22:23,244 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:22:23,246 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:22:23,246 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:23,247 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:22:23,250 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:22:23,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:23" (1/1) ... [2019-10-22 11:22:23,257 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@220c5de7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:23, skipping insertion in model container [2019-10-22 11:22:23,257 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:22:23" (1/1) ... [2019-10-22 11:22:23,263 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:22:23,299 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:22:23,659 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:23,673 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:22:23,728 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:22:23,772 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:22:23,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:23 WrapperNode [2019-10-22 11:22:23,773 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:22:23,774 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:23,774 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:22:23,774 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:22:23,782 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:23" (1/1) ... [2019-10-22 11:22:23,798 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:23" (1/1) ... [2019-10-22 11:22:23,816 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:22:23,817 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:22:23,817 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:22:23,817 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:22:23,826 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:23" (1/1) ... [2019-10-22 11:22:23,827 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:23" (1/1) ... [2019-10-22 11:22:23,835 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:23" (1/1) ... [2019-10-22 11:22:23,836 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:23" (1/1) ... [2019-10-22 11:22:23,846 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:23" (1/1) ... [2019-10-22 11:22:23,851 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:23" (1/1) ... [2019-10-22 11:22:23,853 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:23" (1/1) ... [2019-10-22 11:22:23,855 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:22:23,856 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:22:23,856 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:22:23,856 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:22:23,857 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:23" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/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 11:22:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2019-10-22 11:22:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:22:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:22:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:22:23,903 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:22:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2019-10-22 11:22:23,904 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:22:23,904 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:22:24,567 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:22:24,567 INFO L284 CfgBuilder]: Removed 15 assume(true) statements. [2019-10-22 11:22:24,568 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:24 BoogieIcfgContainer [2019-10-22 11:22:24,569 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:22:24,569 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:22:24,570 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:22:24,573 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:22:24,575 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:22:23" (1/3) ... [2019-10-22 11:22:24,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0c157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:24, skipping insertion in model container [2019-10-22 11:22:24,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:22:23" (2/3) ... [2019-10-22 11:22:24,576 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f0c157 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:22:24, skipping insertion in model container [2019-10-22 11:22:24,576 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:22:24" (3/3) ... [2019-10-22 11:22:24,578 INFO L109 eAbstractionObserver]: Analyzing ICFG sll-rb-sentinel-1.i [2019-10-22 11:22:24,588 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:22:24,596 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 57 error locations. [2019-10-22 11:22:24,604 INFO L249 AbstractCegarLoop]: Starting to check reachability of 57 error locations. [2019-10-22 11:22:24,618 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:22:24,618 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:22:24,618 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:22:24,619 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:22:24,619 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:22:24,619 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:22:24,619 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:22:24,619 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:22:24,633 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states. [2019-10-22 11:22:24,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2019-10-22 11:22:24,639 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:22:24,640 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1] [2019-10-22 11:22:24,642 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr56ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr52ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr16REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr54ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr53ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr48REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr45ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr41ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr55ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr17REQUIRES_VIOLATION, ULTIMATE.startErr40ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr15REQUIRES_VIOLATION, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr42ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr51ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr49REQUIRES_VIOLATION, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION]=== [2019-10-22 11:22:24,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:22:24,646 INFO L82 PathProgramCache]: Analyzing trace with hash 29857, now seen corresponding path program 1 times [2019-10-22 11:22:24,653 INFO L157 tionRefinementEngine]: Executing refinement strategy WALRUS [2019-10-22 11:22:24,653 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [263269564] [2019-10-22 11:22:24,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e42813f9-cb69-417e-9a2b-439f28a74298/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 11:22:24,883 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 cvc4 --incremental --print-success --lang smt --rewrite-divk [2019-10-22 11:22:24,883 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 11:22:24,887 INFO L168 Benchmark]: Toolchain (without parser) took 1641.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -126.4 MB). Peak memory consumption was 36.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:24,888 INFO L168 Benchmark]: CDTParser took 0.17 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 11:22:24,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 526.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -197.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:24,889 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:24,889 INFO L168 Benchmark]: Boogie Preprocessor took 38.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:22:24,889 INFO L168 Benchmark]: RCFGBuilder took 712.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.3 MB). Peak memory consumption was 51.3 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:24,890 INFO L168 Benchmark]: TraceAbstraction took 316.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2019-10-22 11:22:24,893 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 977.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 526.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 162.5 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -197.4 MB). Peak memory consumption was 24.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.82 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.77 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 712.96 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 51.3 MB). Peak memory consumption was 51.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 316.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 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...