./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/ldv-memsafety/memleaks_test12-2.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_e4fca6f7-4958-4ca4-bc23-f6dcf679e195/bin/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e4fca6f7-4958-4ca4-bc23-f6dcf679e195/bin/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e4fca6f7-4958-4ca4-bc23-f6dcf679e195/bin/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e4fca6f7-4958-4ca4-bc23-f6dcf679e195/bin/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/ldv-memsafety/memleaks_test12-2.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e4fca6f7-4958-4ca4-bc23-f6dcf679e195/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e4fca6f7-4958-4ca4-bc23-f6dcf679e195/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 d654d9d4a54b72b3e48329232ba708969b2aeb78 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(valid-free) --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 11:23:36,502 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 11:23:36,503 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 11:23:36,512 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 11:23:36,512 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 11:23:36,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 11:23:36,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 11:23:36,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 11:23:36,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 11:23:36,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 11:23:36,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 11:23:36,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 11:23:36,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 11:23:36,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 11:23:36,521 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 11:23:36,522 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 11:23:36,522 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 11:23:36,523 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 11:23:36,524 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 11:23:36,526 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 11:23:36,527 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 11:23:36,528 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 11:23:36,528 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 11:23:36,529 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 11:23:36,531 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 11:23:36,531 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 11:23:36,531 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 11:23:36,532 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 11:23:36,532 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 11:23:36,533 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 11:23:36,533 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 11:23:36,534 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 11:23:36,534 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 11:23:36,535 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 11:23:36,536 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 11:23:36,536 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 11:23:36,536 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 11:23:36,537 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 11:23:36,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 11:23:36,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 11:23:36,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 11:23:36,538 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e4fca6f7-4958-4ca4-bc23-f6dcf679e195/bin/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2019-10-22 11:23:36,548 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 11:23:36,549 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 11:23:36,549 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-22 11:23:36,549 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-22 11:23:36,549 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-22 11:23:36,550 INFO L138 SettingsManager]: * Explicit value domain=true [2019-10-22 11:23:36,550 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2019-10-22 11:23:36,550 INFO L138 SettingsManager]: * Octagon Domain=false [2019-10-22 11:23:36,550 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2019-10-22 11:23:36,550 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2019-10-22 11:23:36,550 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2019-10-22 11:23:36,551 INFO L138 SettingsManager]: * Interval Domain=false [2019-10-22 11:23:36,551 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 11:23:36,552 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 11:23:36,552 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 11:23:36,552 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 11:23:36,552 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 11:23:36,552 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 11:23:36,552 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 11:23:36,552 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 11:23:36,553 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2019-10-22 11:23:36,553 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2019-10-22 11:23:36,553 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2019-10-22 11:23:36,553 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 11:23:36,553 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 11:23:36,553 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 11:23:36,554 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 11:23:36,554 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 11:23:36,554 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 11:23:36,554 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:36,554 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 11:23:36,554 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 11:23:36,554 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-22 11:23:36,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 11:23:36,555 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-22 11:23:36,555 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_e4fca6f7-4958-4ca4-bc23-f6dcf679e195/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 -> d654d9d4a54b72b3e48329232ba708969b2aeb78 [2019-10-22 11:23:36,578 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 11:23:36,587 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 11:23:36,589 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 11:23:36,590 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 11:23:36,591 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 11:23:36,591 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e4fca6f7-4958-4ca4-bc23-f6dcf679e195/bin/utaipan/../../sv-benchmarks/c/ldv-memsafety/memleaks_test12-2.i [2019-10-22 11:23:36,634 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e4fca6f7-4958-4ca4-bc23-f6dcf679e195/bin/utaipan/data/5a7003af4/b61f4d7ba20b4224898179c7e1d1ad0b/FLAGcb5c7cb07 [2019-10-22 11:23:37,157 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 11:23:37,158 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e4fca6f7-4958-4ca4-bc23-f6dcf679e195/sv-benchmarks/c/ldv-memsafety/memleaks_test12-2.i [2019-10-22 11:23:37,173 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e4fca6f7-4958-4ca4-bc23-f6dcf679e195/bin/utaipan/data/5a7003af4/b61f4d7ba20b4224898179c7e1d1ad0b/FLAGcb5c7cb07 [2019-10-22 11:23:37,444 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e4fca6f7-4958-4ca4-bc23-f6dcf679e195/bin/utaipan/data/5a7003af4/b61f4d7ba20b4224898179c7e1d1ad0b [2019-10-22 11:23:37,447 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 11:23:37,448 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 11:23:37,449 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:37,449 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 11:23:37,453 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 11:23:37,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:37" (1/1) ... [2019-10-22 11:23:37,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c9f650a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:37, skipping insertion in model container [2019-10-22 11:23:37,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 11:23:37" (1/1) ... [2019-10-22 11:23:37,463 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 11:23:37,515 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 11:23:37,934 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:37,955 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 11:23:38,029 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 11:23:38,121 INFO L192 MainTranslator]: Completed translation [2019-10-22 11:23:38,121 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:38 WrapperNode [2019-10-22 11:23:38,121 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 11:23:38,122 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:38,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 11:23:38,123 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 11:23:38,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:38" (1/1) ... [2019-10-22 11:23:38,169 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:38" (1/1) ... [2019-10-22 11:23:38,229 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 11:23:38,235 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 11:23:38,235 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 11:23:38,235 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 11:23:38,243 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:38" (1/1) ... [2019-10-22 11:23:38,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:38" (1/1) ... [2019-10-22 11:23:38,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:38" (1/1) ... [2019-10-22 11:23:38,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:38" (1/1) ... [2019-10-22 11:23:38,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:38" (1/1) ... [2019-10-22 11:23:38,300 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:38" (1/1) ... [2019-10-22 11:23:38,305 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:38" (1/1) ... [2019-10-22 11:23:38,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 11:23:38,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 11:23:38,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 11:23:38,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 11:23:38,310 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e4fca6f7-4958-4ca4-bc23-f6dcf679e195/bin/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 11:23:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2019-10-22 11:23:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2019-10-22 11:23:38,371 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2019-10-22 11:23:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 11:23:38,373 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 11:23:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-10-22 11:23:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-10-22 11:23:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 11:23:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-10-22 11:23:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 11:23:38,374 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-10-22 11:23:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-22 11:23:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2019-10-22 11:23:38,375 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 11:23:38,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 11:23:39,475 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 11:23:39,475 INFO L284 CfgBuilder]: Removed 72 assume(true) statements. [2019-10-22 11:23:39,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:39 BoogieIcfgContainer [2019-10-22 11:23:39,477 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 11:23:39,478 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 11:23:39,478 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 11:23:39,481 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 11:23:39,481 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 11:23:37" (1/3) ... [2019-10-22 11:23:39,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c7fceb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:39, skipping insertion in model container [2019-10-22 11:23:39,482 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 11:23:38" (2/3) ... [2019-10-22 11:23:39,482 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c7fceb1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 11:23:39, skipping insertion in model container [2019-10-22 11:23:39,483 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:39" (3/3) ... [2019-10-22 11:23:39,484 INFO L109 eAbstractionObserver]: Analyzing ICFG memleaks_test12-2.i [2019-10-22 11:23:39,494 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 11:23:39,505 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 132 error locations. [2019-10-22 11:23:39,517 INFO L249 AbstractCegarLoop]: Starting to check reachability of 132 error locations. [2019-10-22 11:23:39,541 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 11:23:39,541 INFO L374 AbstractCegarLoop]: Hoare is false [2019-10-22 11:23:39,541 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 11:23:39,541 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 11:23:39,541 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 11:23:39,541 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 11:23:39,541 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 11:23:39,541 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 11:23:39,573 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states. [2019-10-22 11:23:39,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:23:39,583 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:39,584 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:39,587 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:39,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:39,595 INFO L82 PathProgramCache]: Analyzing trace with hash 1804980871, now seen corresponding path program 1 times [2019-10-22 11:23:39,604 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:39,605 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027495090] [2019-10-22 11:23:39,605 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:39,605 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:39,605 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:39,808 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:39,808 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027495090] [2019-10-22 11:23:39,809 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:39,809 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:39,809 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581499677] [2019-10-22 11:23:39,814 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:39,815 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:39,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:39,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:39,833 INFO L87 Difference]: Start difference. First operand 323 states. Second operand 4 states. [2019-10-22 11:23:40,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:40,187 INFO L93 Difference]: Finished difference Result 1263 states and 1389 transitions. [2019-10-22 11:23:40,187 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:40,189 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 7 [2019-10-22 11:23:40,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:40,219 INFO L225 Difference]: With dead ends: 1263 [2019-10-22 11:23:40,219 INFO L226 Difference]: Without dead ends: 1255 [2019-10-22 11:23:40,220 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 11:23:40,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1255 states. [2019-10-22 11:23:40,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1255 to 323. [2019-10-22 11:23:40,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2019-10-22 11:23:40,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 359 transitions. [2019-10-22 11:23:40,307 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 359 transitions. Word has length 7 [2019-10-22 11:23:40,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:40,308 INFO L462 AbstractCegarLoop]: Abstraction has 323 states and 359 transitions. [2019-10-22 11:23:40,308 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:40,308 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 359 transitions. [2019-10-22 11:23:40,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:23:40,309 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:40,309 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:40,310 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:40,310 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:40,311 INFO L82 PathProgramCache]: Analyzing trace with hash 1806827913, now seen corresponding path program 1 times [2019-10-22 11:23:40,312 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:40,312 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162586691] [2019-10-22 11:23:40,312 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:40,312 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:40,313 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:40,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:40,361 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:40,361 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162586691] [2019-10-22 11:23:40,362 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:40,362 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-10-22 11:23:40,362 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603499722] [2019-10-22 11:23:40,363 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:40,364 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:40,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:40,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:40,364 INFO L87 Difference]: Start difference. First operand 323 states and 359 transitions. Second operand 3 states. [2019-10-22 11:23:40,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:40,639 INFO L93 Difference]: Finished difference Result 406 states and 446 transitions. [2019-10-22 11:23:40,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:40,640 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-10-22 11:23:40,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:40,641 INFO L225 Difference]: With dead ends: 406 [2019-10-22 11:23:40,641 INFO L226 Difference]: Without dead ends: 406 [2019-10-22 11:23:40,642 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:40,643 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 406 states. [2019-10-22 11:23:40,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 406 to 325. [2019-10-22 11:23:40,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 325 states. [2019-10-22 11:23:40,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 362 transitions. [2019-10-22 11:23:40,652 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 362 transitions. Word has length 7 [2019-10-22 11:23:40,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:40,652 INFO L462 AbstractCegarLoop]: Abstraction has 325 states and 362 transitions. [2019-10-22 11:23:40,652 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:40,653 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 362 transitions. [2019-10-22 11:23:40,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-10-22 11:23:40,653 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:40,653 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:40,654 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:40,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:40,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1806827914, now seen corresponding path program 1 times [2019-10-22 11:23:40,655 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:40,655 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1587357341] [2019-10-22 11:23:40,655 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:40,655 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:40,655 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:40,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:40,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:40,701 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1587357341] [2019-10-22 11:23:40,701 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:40,702 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2019-10-22 11:23:40,702 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [954941723] [2019-10-22 11:23:40,702 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:40,702 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:40,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:40,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:40,703 INFO L87 Difference]: Start difference. First operand 325 states and 362 transitions. Second operand 3 states. [2019-10-22 11:23:40,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:40,912 INFO L93 Difference]: Finished difference Result 427 states and 472 transitions. [2019-10-22 11:23:40,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:40,913 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2019-10-22 11:23:40,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:40,915 INFO L225 Difference]: With dead ends: 427 [2019-10-22 11:23:40,915 INFO L226 Difference]: Without dead ends: 427 [2019-10-22 11:23:40,915 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:40,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2019-10-22 11:23:40,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 357. [2019-10-22 11:23:40,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2019-10-22 11:23:40,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 420 transitions. [2019-10-22 11:23:40,925 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 420 transitions. Word has length 7 [2019-10-22 11:23:40,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:40,926 INFO L462 AbstractCegarLoop]: Abstraction has 357 states and 420 transitions. [2019-10-22 11:23:40,926 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:40,926 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 420 transitions. [2019-10-22 11:23:40,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:23:40,926 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:40,927 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:40,928 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:40,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:40,928 INFO L82 PathProgramCache]: Analyzing trace with hash -592189536, now seen corresponding path program 1 times [2019-10-22 11:23:40,929 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:40,929 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831633928] [2019-10-22 11:23:40,929 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:40,929 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:40,929 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:40,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:40,974 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:40,974 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831633928] [2019-10-22 11:23:40,974 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:40,974 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:40,975 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5774515] [2019-10-22 11:23:40,975 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:40,975 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:40,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:40,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:40,976 INFO L87 Difference]: Start difference. First operand 357 states and 420 transitions. Second operand 4 states. [2019-10-22 11:23:41,110 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:41,111 INFO L93 Difference]: Finished difference Result 1276 states and 1425 transitions. [2019-10-22 11:23:41,111 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:41,112 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-10-22 11:23:41,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:41,143 INFO L225 Difference]: With dead ends: 1276 [2019-10-22 11:23:41,143 INFO L226 Difference]: Without dead ends: 1276 [2019-10-22 11:23:41,143 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 11:23:41,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1276 states. [2019-10-22 11:23:41,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1276 to 359. [2019-10-22 11:23:41,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2019-10-22 11:23:41,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 422 transitions. [2019-10-22 11:23:41,155 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 422 transitions. Word has length 9 [2019-10-22 11:23:41,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:41,156 INFO L462 AbstractCegarLoop]: Abstraction has 359 states and 422 transitions. [2019-10-22 11:23:41,156 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:41,158 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 422 transitions. [2019-10-22 11:23:41,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:23:41,159 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:41,159 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:41,160 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:41,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:41,162 INFO L82 PathProgramCache]: Analyzing trace with hash -592189907, now seen corresponding path program 1 times [2019-10-22 11:23:41,163 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:41,163 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [991487529] [2019-10-22 11:23:41,163 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:41,163 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:41,163 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:41,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:41,247 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:41,247 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [991487529] [2019-10-22 11:23:41,248 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:41,248 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:41,248 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1041321702] [2019-10-22 11:23:41,248 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:41,248 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:41,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:41,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:41,249 INFO L87 Difference]: Start difference. First operand 359 states and 422 transitions. Second operand 4 states. [2019-10-22 11:23:41,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:41,642 INFO L93 Difference]: Finished difference Result 607 states and 695 transitions. [2019-10-22 11:23:41,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:41,642 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-10-22 11:23:41,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:41,645 INFO L225 Difference]: With dead ends: 607 [2019-10-22 11:23:41,645 INFO L226 Difference]: Without dead ends: 607 [2019-10-22 11:23:41,645 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 11:23:41,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 607 states. [2019-10-22 11:23:41,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 607 to 363. [2019-10-22 11:23:41,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2019-10-22 11:23:41,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 428 transitions. [2019-10-22 11:23:41,653 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 428 transitions. Word has length 9 [2019-10-22 11:23:41,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:41,653 INFO L462 AbstractCegarLoop]: Abstraction has 363 states and 428 transitions. [2019-10-22 11:23:41,653 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:41,653 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 428 transitions. [2019-10-22 11:23:41,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:23:41,654 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:41,654 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:41,655 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:41,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:41,656 INFO L82 PathProgramCache]: Analyzing trace with hash -592189906, now seen corresponding path program 1 times [2019-10-22 11:23:41,656 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:41,656 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335241476] [2019-10-22 11:23:41,656 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:41,656 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:41,656 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:41,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:41,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:41,760 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335241476] [2019-10-22 11:23:41,761 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:41,761 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:23:41,761 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1934145798] [2019-10-22 11:23:41,761 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:41,761 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:41,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:41,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:41,762 INFO L87 Difference]: Start difference. First operand 363 states and 428 transitions. Second operand 6 states. [2019-10-22 11:23:42,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:42,576 INFO L93 Difference]: Finished difference Result 754 states and 852 transitions. [2019-10-22 11:23:42,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:23:42,579 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 9 [2019-10-22 11:23:42,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:42,581 INFO L225 Difference]: With dead ends: 754 [2019-10-22 11:23:42,582 INFO L226 Difference]: Without dead ends: 754 [2019-10-22 11:23:42,582 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:23:42,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2019-10-22 11:23:42,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 516. [2019-10-22 11:23:42,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 516 states. [2019-10-22 11:23:42,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 516 states and 710 transitions. [2019-10-22 11:23:42,605 INFO L78 Accepts]: Start accepts. Automaton has 516 states and 710 transitions. Word has length 9 [2019-10-22 11:23:42,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:42,605 INFO L462 AbstractCegarLoop]: Abstraction has 516 states and 710 transitions. [2019-10-22 11:23:42,605 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:42,606 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 710 transitions. [2019-10-22 11:23:42,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:23:42,606 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:42,606 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:42,607 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:42,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:42,607 INFO L82 PathProgramCache]: Analyzing trace with hash 1194850954, now seen corresponding path program 1 times [2019-10-22 11:23:42,608 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:42,608 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479245632] [2019-10-22 11:23:42,608 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:42,608 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:42,608 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:42,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:42,654 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:42,654 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479245632] [2019-10-22 11:23:42,655 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:42,655 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:42,655 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1907986901] [2019-10-22 11:23:42,655 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:42,656 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:42,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:42,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:42,656 INFO L87 Difference]: Start difference. First operand 516 states and 710 transitions. Second operand 5 states. [2019-10-22 11:23:43,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:43,038 INFO L93 Difference]: Finished difference Result 574 states and 770 transitions. [2019-10-22 11:23:43,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:43,039 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-10-22 11:23:43,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:43,040 INFO L225 Difference]: With dead ends: 574 [2019-10-22 11:23:43,040 INFO L226 Difference]: Without dead ends: 574 [2019-10-22 11:23:43,040 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:23:43,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2019-10-22 11:23:43,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 525. [2019-10-22 11:23:43,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 525 states. [2019-10-22 11:23:43,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 525 states to 525 states and 726 transitions. [2019-10-22 11:23:43,061 INFO L78 Accepts]: Start accepts. Automaton has 525 states and 726 transitions. Word has length 9 [2019-10-22 11:23:43,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:43,061 INFO L462 AbstractCegarLoop]: Abstraction has 525 states and 726 transitions. [2019-10-22 11:23:43,061 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:43,062 INFO L276 IsEmpty]: Start isEmpty. Operand 525 states and 726 transitions. [2019-10-22 11:23:43,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:23:43,062 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:43,062 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:43,064 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:43,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:43,064 INFO L82 PathProgramCache]: Analyzing trace with hash 1194850955, now seen corresponding path program 1 times [2019-10-22 11:23:43,065 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:43,065 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273345648] [2019-10-22 11:23:43,065 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:43,065 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:43,065 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:43,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:43,146 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273345648] [2019-10-22 11:23:43,146 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:43,147 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:43,147 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297741064] [2019-10-22 11:23:43,147 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:43,147 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:43,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:43,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:43,148 INFO L87 Difference]: Start difference. First operand 525 states and 726 transitions. Second operand 5 states. [2019-10-22 11:23:43,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:43,583 INFO L93 Difference]: Finished difference Result 569 states and 765 transitions. [2019-10-22 11:23:43,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:43,584 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2019-10-22 11:23:43,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:43,586 INFO L225 Difference]: With dead ends: 569 [2019-10-22 11:23:43,586 INFO L226 Difference]: Without dead ends: 569 [2019-10-22 11:23:43,587 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:23:43,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2019-10-22 11:23:43,599 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 527. [2019-10-22 11:23:43,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2019-10-22 11:23:43,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 728 transitions. [2019-10-22 11:23:43,602 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 728 transitions. Word has length 9 [2019-10-22 11:23:43,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:43,602 INFO L462 AbstractCegarLoop]: Abstraction has 527 states and 728 transitions. [2019-10-22 11:23:43,602 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:43,603 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 728 transitions. [2019-10-22 11:23:43,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-10-22 11:23:43,603 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:43,604 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:43,605 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:43,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:43,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1182817455, now seen corresponding path program 1 times [2019-10-22 11:23:43,605 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:43,606 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796601890] [2019-10-22 11:23:43,606 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:43,606 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:43,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:43,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:43,646 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1796601890] [2019-10-22 11:23:43,646 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:43,646 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:43,646 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072588915] [2019-10-22 11:23:43,647 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:43,647 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:43,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:43,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:43,647 INFO L87 Difference]: Start difference. First operand 527 states and 728 transitions. Second operand 4 states. [2019-10-22 11:23:43,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:43,756 INFO L93 Difference]: Finished difference Result 669 states and 735 transitions. [2019-10-22 11:23:43,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:43,756 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2019-10-22 11:23:43,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:43,759 INFO L225 Difference]: With dead ends: 669 [2019-10-22 11:23:43,760 INFO L226 Difference]: Without dead ends: 669 [2019-10-22 11:23:43,760 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 11:23:43,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2019-10-22 11:23:43,793 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 329. [2019-10-22 11:23:43,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2019-10-22 11:23:43,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 368 transitions. [2019-10-22 11:23:43,794 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 368 transitions. Word has length 9 [2019-10-22 11:23:43,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:43,795 INFO L462 AbstractCegarLoop]: Abstraction has 329 states and 368 transitions. [2019-10-22 11:23:43,795 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:43,795 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 368 transitions. [2019-10-22 11:23:43,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-10-22 11:23:43,796 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:43,796 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:43,796 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:43,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:43,797 INFO L82 PathProgramCache]: Analyzing trace with hash -1176158896, now seen corresponding path program 1 times [2019-10-22 11:23:43,797 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:43,797 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1525411790] [2019-10-22 11:23:43,797 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:43,798 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:43,798 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:43,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:43,822 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1525411790] [2019-10-22 11:23:43,822 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:43,822 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:43,823 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [981752488] [2019-10-22 11:23:43,823 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:43,823 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:43,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:43,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:43,824 INFO L87 Difference]: Start difference. First operand 329 states and 368 transitions. Second operand 4 states. [2019-10-22 11:23:43,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:43,972 INFO L93 Difference]: Finished difference Result 667 states and 732 transitions. [2019-10-22 11:23:43,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:43,972 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2019-10-22 11:23:43,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:43,974 INFO L225 Difference]: With dead ends: 667 [2019-10-22 11:23:43,975 INFO L226 Difference]: Without dead ends: 667 [2019-10-22 11:23:43,975 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 11:23:43,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2019-10-22 11:23:43,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 328. [2019-10-22 11:23:43,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2019-10-22 11:23:43,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 366 transitions. [2019-10-22 11:23:43,985 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 366 transitions. Word has length 10 [2019-10-22 11:23:43,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:43,985 INFO L462 AbstractCegarLoop]: Abstraction has 328 states and 366 transitions. [2019-10-22 11:23:43,985 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:43,985 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 366 transitions. [2019-10-22 11:23:43,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 11:23:43,987 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:43,987 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:43,988 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:43,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:43,989 INFO L82 PathProgramCache]: Analyzing trace with hash -883735513, now seen corresponding path program 1 times [2019-10-22 11:23:43,989 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:43,989 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1675264367] [2019-10-22 11:23:43,989 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:43,989 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:43,990 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:43,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:44,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:44,018 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1675264367] [2019-10-22 11:23:44,018 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:44,018 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:44,018 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59019303] [2019-10-22 11:23:44,018 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 11:23:44,019 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:44,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 11:23:44,019 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:44,019 INFO L87 Difference]: Start difference. First operand 328 states and 366 transitions. Second operand 3 states. [2019-10-22 11:23:44,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:44,208 INFO L93 Difference]: Finished difference Result 361 states and 400 transitions. [2019-10-22 11:23:44,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:44,209 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 12 [2019-10-22 11:23:44,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:44,210 INFO L225 Difference]: With dead ends: 361 [2019-10-22 11:23:44,210 INFO L226 Difference]: Without dead ends: 360 [2019-10-22 11:23:44,211 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 11:23:44,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2019-10-22 11:23:44,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 341. [2019-10-22 11:23:44,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 341 states. [2019-10-22 11:23:44,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 341 states to 341 states and 390 transitions. [2019-10-22 11:23:44,217 INFO L78 Accepts]: Start accepts. Automaton has 341 states and 390 transitions. Word has length 12 [2019-10-22 11:23:44,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:44,217 INFO L462 AbstractCegarLoop]: Abstraction has 341 states and 390 transitions. [2019-10-22 11:23:44,217 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 11:23:44,217 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 390 transitions. [2019-10-22 11:23:44,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 11:23:44,217 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:44,217 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:44,218 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:44,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:44,219 INFO L82 PathProgramCache]: Analyzing trace with hash -883735499, now seen corresponding path program 1 times [2019-10-22 11:23:44,219 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:44,219 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1325991809] [2019-10-22 11:23:44,219 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:44,219 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:44,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:44,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:44,258 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1325991809] [2019-10-22 11:23:44,258 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:44,258 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:44,258 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1764791112] [2019-10-22 11:23:44,259 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:44,259 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:44,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:44,259 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:44,259 INFO L87 Difference]: Start difference. First operand 341 states and 390 transitions. Second operand 6 states. [2019-10-22 11:23:44,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:44,762 INFO L93 Difference]: Finished difference Result 389 states and 442 transitions. [2019-10-22 11:23:44,762 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:23:44,762 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-10-22 11:23:44,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:44,764 INFO L225 Difference]: With dead ends: 389 [2019-10-22 11:23:44,764 INFO L226 Difference]: Without dead ends: 389 [2019-10-22 11:23:44,764 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:23:44,765 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2019-10-22 11:23:44,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 345. [2019-10-22 11:23:44,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 345 states. [2019-10-22 11:23:44,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 396 transitions. [2019-10-22 11:23:44,771 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 396 transitions. Word has length 12 [2019-10-22 11:23:44,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:44,772 INFO L462 AbstractCegarLoop]: Abstraction has 345 states and 396 transitions. [2019-10-22 11:23:44,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:44,772 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 396 transitions. [2019-10-22 11:23:44,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2019-10-22 11:23:44,772 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:44,772 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:44,773 INFO L410 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:44,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:44,773 INFO L82 PathProgramCache]: Analyzing trace with hash -883735498, now seen corresponding path program 1 times [2019-10-22 11:23:44,774 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:44,774 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799513920] [2019-10-22 11:23:44,774 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:44,774 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:44,774 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:44,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:44,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:44,870 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799513920] [2019-10-22 11:23:44,870 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:44,870 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:23:44,870 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683395835] [2019-10-22 11:23:44,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:44,871 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:44,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:44,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:44,871 INFO L87 Difference]: Start difference. First operand 345 states and 396 transitions. Second operand 6 states. [2019-10-22 11:23:45,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:45,055 INFO L93 Difference]: Finished difference Result 336 states and 369 transitions. [2019-10-22 11:23:45,056 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:45,056 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 12 [2019-10-22 11:23:45,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:45,057 INFO L225 Difference]: With dead ends: 336 [2019-10-22 11:23:45,057 INFO L226 Difference]: Without dead ends: 328 [2019-10-22 11:23:45,057 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:23:45,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2019-10-22 11:23:45,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 323. [2019-10-22 11:23:45,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2019-10-22 11:23:45,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 360 transitions. [2019-10-22 11:23:45,064 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 360 transitions. Word has length 12 [2019-10-22 11:23:45,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:45,064 INFO L462 AbstractCegarLoop]: Abstraction has 323 states and 360 transitions. [2019-10-22 11:23:45,064 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:45,065 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 360 transitions. [2019-10-22 11:23:45,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 11:23:45,065 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:45,065 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:45,066 INFO L410 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:45,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:45,066 INFO L82 PathProgramCache]: Analyzing trace with hash -605977373, now seen corresponding path program 1 times [2019-10-22 11:23:45,066 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:45,066 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509148316] [2019-10-22 11:23:45,066 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:45,067 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:45,067 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:45,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:45,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:45,118 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509148316] [2019-10-22 11:23:45,118 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:45,118 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:45,118 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438856868] [2019-10-22 11:23:45,118 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:45,119 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:45,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:45,119 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:45,119 INFO L87 Difference]: Start difference. First operand 323 states and 360 transitions. Second operand 6 states. [2019-10-22 11:23:45,684 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:45,684 INFO L93 Difference]: Finished difference Result 589 states and 645 transitions. [2019-10-22 11:23:45,684 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:23:45,685 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 13 [2019-10-22 11:23:45,685 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:45,686 INFO L225 Difference]: With dead ends: 589 [2019-10-22 11:23:45,687 INFO L226 Difference]: Without dead ends: 589 [2019-10-22 11:23:45,687 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:23:45,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 589 states. [2019-10-22 11:23:45,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 589 to 323. [2019-10-22 11:23:45,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2019-10-22 11:23:45,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 359 transitions. [2019-10-22 11:23:45,695 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 359 transitions. Word has length 13 [2019-10-22 11:23:45,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:45,695 INFO L462 AbstractCegarLoop]: Abstraction has 323 states and 359 transitions. [2019-10-22 11:23:45,695 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:45,695 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 359 transitions. [2019-10-22 11:23:45,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-10-22 11:23:45,696 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:45,696 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:45,696 INFO L410 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:45,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:45,696 INFO L82 PathProgramCache]: Analyzing trace with hash -605977372, now seen corresponding path program 1 times [2019-10-22 11:23:45,697 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:45,697 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [95464869] [2019-10-22 11:23:45,697 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:45,697 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:45,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:45,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:45,735 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [95464869] [2019-10-22 11:23:45,735 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:45,736 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 11:23:45,736 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226859587] [2019-10-22 11:23:45,736 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:45,736 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:45,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:45,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:45,737 INFO L87 Difference]: Start difference. First operand 323 states and 359 transitions. Second operand 4 states. [2019-10-22 11:23:46,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:46,035 INFO L93 Difference]: Finished difference Result 391 states and 427 transitions. [2019-10-22 11:23:46,035 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 11:23:46,035 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2019-10-22 11:23:46,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:46,037 INFO L225 Difference]: With dead ends: 391 [2019-10-22 11:23:46,037 INFO L226 Difference]: Without dead ends: 391 [2019-10-22 11:23:46,037 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:46,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 391 states. [2019-10-22 11:23:46,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 391 to 337. [2019-10-22 11:23:46,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 337 states. [2019-10-22 11:23:46,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 337 states and 383 transitions. [2019-10-22 11:23:46,044 INFO L78 Accepts]: Start accepts. Automaton has 337 states and 383 transitions. Word has length 13 [2019-10-22 11:23:46,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:46,045 INFO L462 AbstractCegarLoop]: Abstraction has 337 states and 383 transitions. [2019-10-22 11:23:46,045 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:46,045 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 383 transitions. [2019-10-22 11:23:46,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 11:23:46,045 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:46,045 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:46,046 INFO L410 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:46,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:46,046 INFO L82 PathProgramCache]: Analyzing trace with hash -493393868, now seen corresponding path program 1 times [2019-10-22 11:23:46,046 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:46,046 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057152668] [2019-10-22 11:23:46,046 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:46,046 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:46,047 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:46,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:46,078 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057152668] [2019-10-22 11:23:46,079 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:46,079 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:46,079 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003985725] [2019-10-22 11:23:46,079 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:46,079 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:46,080 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:46,080 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:46,080 INFO L87 Difference]: Start difference. First operand 337 states and 383 transitions. Second operand 4 states. [2019-10-22 11:23:46,183 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:46,183 INFO L93 Difference]: Finished difference Result 1260 states and 1421 transitions. [2019-10-22 11:23:46,184 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:46,184 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-10-22 11:23:46,184 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:46,188 INFO L225 Difference]: With dead ends: 1260 [2019-10-22 11:23:46,188 INFO L226 Difference]: Without dead ends: 1260 [2019-10-22 11:23:46,189 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 11:23:46,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1260 states. [2019-10-22 11:23:46,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1260 to 339. [2019-10-22 11:23:46,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2019-10-22 11:23:46,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 385 transitions. [2019-10-22 11:23:46,201 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 385 transitions. Word has length 14 [2019-10-22 11:23:46,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:46,202 INFO L462 AbstractCegarLoop]: Abstraction has 339 states and 385 transitions. [2019-10-22 11:23:46,202 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:46,202 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 385 transitions. [2019-10-22 11:23:46,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 11:23:46,202 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:46,202 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:46,204 INFO L410 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:46,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:46,205 INFO L82 PathProgramCache]: Analyzing trace with hash -493394216, now seen corresponding path program 1 times [2019-10-22 11:23:46,205 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:46,205 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932085080] [2019-10-22 11:23:46,205 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:46,205 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:46,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:46,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:46,240 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:46,240 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932085080] [2019-10-22 11:23:46,240 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:46,240 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:46,240 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [361293418] [2019-10-22 11:23:46,241 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:46,241 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:46,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:46,241 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:46,241 INFO L87 Difference]: Start difference. First operand 339 states and 385 transitions. Second operand 4 states. [2019-10-22 11:23:46,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:46,662 INFO L93 Difference]: Finished difference Result 566 states and 632 transitions. [2019-10-22 11:23:46,663 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:46,663 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-10-22 11:23:46,663 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:46,664 INFO L225 Difference]: With dead ends: 566 [2019-10-22 11:23:46,665 INFO L226 Difference]: Without dead ends: 566 [2019-10-22 11:23:46,665 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 11:23:46,666 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 566 states. [2019-10-22 11:23:46,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 566 to 350. [2019-10-22 11:23:46,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 350 states. [2019-10-22 11:23:46,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 350 states and 401 transitions. [2019-10-22 11:23:46,673 INFO L78 Accepts]: Start accepts. Automaton has 350 states and 401 transitions. Word has length 14 [2019-10-22 11:23:46,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:46,673 INFO L462 AbstractCegarLoop]: Abstraction has 350 states and 401 transitions. [2019-10-22 11:23:46,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:46,673 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 401 transitions. [2019-10-22 11:23:46,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 11:23:46,674 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:46,674 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:46,674 INFO L410 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:46,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:46,675 INFO L82 PathProgramCache]: Analyzing trace with hash -493394215, now seen corresponding path program 1 times [2019-10-22 11:23:46,675 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:46,675 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240623281] [2019-10-22 11:23:46,675 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:46,675 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:46,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:46,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:46,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:46,730 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240623281] [2019-10-22 11:23:46,731 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:46,731 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:23:46,731 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [105079076] [2019-10-22 11:23:46,731 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:46,731 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:46,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:46,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:46,732 INFO L87 Difference]: Start difference. First operand 350 states and 401 transitions. Second operand 6 states. [2019-10-22 11:23:47,144 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:47,144 INFO L93 Difference]: Finished difference Result 648 states and 698 transitions. [2019-10-22 11:23:47,144 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 11:23:47,144 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 14 [2019-10-22 11:23:47,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:47,146 INFO L225 Difference]: With dead ends: 648 [2019-10-22 11:23:47,146 INFO L226 Difference]: Without dead ends: 648 [2019-10-22 11:23:47,147 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 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 11:23:47,148 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 648 states. [2019-10-22 11:23:47,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 648 to 366. [2019-10-22 11:23:47,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2019-10-22 11:23:47,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 425 transitions. [2019-10-22 11:23:47,154 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 425 transitions. Word has length 14 [2019-10-22 11:23:47,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:47,154 INFO L462 AbstractCegarLoop]: Abstraction has 366 states and 425 transitions. [2019-10-22 11:23:47,154 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:47,154 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 425 transitions. [2019-10-22 11:23:47,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-10-22 11:23:47,155 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:47,155 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:47,155 INFO L410 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:47,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:47,156 INFO L82 PathProgramCache]: Analyzing trace with hash 186664154, now seen corresponding path program 1 times [2019-10-22 11:23:47,156 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:47,156 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441562584] [2019-10-22 11:23:47,156 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:47,156 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:47,156 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:47,186 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:47,187 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441562584] [2019-10-22 11:23:47,187 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:47,187 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:47,187 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [859456092] [2019-10-22 11:23:47,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:47,188 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:47,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:47,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:47,188 INFO L87 Difference]: Start difference. First operand 366 states and 425 transitions. Second operand 4 states. [2019-10-22 11:23:47,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:47,268 INFO L93 Difference]: Finished difference Result 649 states and 727 transitions. [2019-10-22 11:23:47,269 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:47,269 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 14 [2019-10-22 11:23:47,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:47,271 INFO L225 Difference]: With dead ends: 649 [2019-10-22 11:23:47,271 INFO L226 Difference]: Without dead ends: 649 [2019-10-22 11:23:47,271 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 11:23:47,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 649 states. [2019-10-22 11:23:47,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 649 to 340. [2019-10-22 11:23:47,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2019-10-22 11:23:47,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 385 transitions. [2019-10-22 11:23:47,279 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 385 transitions. Word has length 14 [2019-10-22 11:23:47,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:47,279 INFO L462 AbstractCegarLoop]: Abstraction has 340 states and 385 transitions. [2019-10-22 11:23:47,279 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:47,279 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 385 transitions. [2019-10-22 11:23:47,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 11:23:47,280 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:47,280 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:47,280 INFO L410 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:47,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:47,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1886506805, now seen corresponding path program 1 times [2019-10-22 11:23:47,281 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:47,281 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2096675845] [2019-10-22 11:23:47,281 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:47,281 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:47,281 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:47,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:47,306 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2096675845] [2019-10-22 11:23:47,306 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:47,306 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:47,306 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313188579] [2019-10-22 11:23:47,306 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:47,307 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:47,307 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:47,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:47,307 INFO L87 Difference]: Start difference. First operand 340 states and 385 transitions. Second operand 4 states. [2019-10-22 11:23:47,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:47,447 INFO L93 Difference]: Finished difference Result 647 states and 722 transitions. [2019-10-22 11:23:47,447 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:47,447 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 15 [2019-10-22 11:23:47,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:47,449 INFO L225 Difference]: With dead ends: 647 [2019-10-22 11:23:47,449 INFO L226 Difference]: Without dead ends: 647 [2019-10-22 11:23:47,449 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 11:23:47,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2019-10-22 11:23:47,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 339. [2019-10-22 11:23:47,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2019-10-22 11:23:47,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 382 transitions. [2019-10-22 11:23:47,457 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 382 transitions. Word has length 15 [2019-10-22 11:23:47,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:47,457 INFO L462 AbstractCegarLoop]: Abstraction has 339 states and 382 transitions. [2019-10-22 11:23:47,457 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:47,458 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 382 transitions. [2019-10-22 11:23:47,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2019-10-22 11:23:47,458 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:47,458 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:47,458 INFO L410 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:47,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:47,459 INFO L82 PathProgramCache]: Analyzing trace with hash 1771310949, now seen corresponding path program 1 times [2019-10-22 11:23:47,459 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:47,460 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1903029620] [2019-10-22 11:23:47,460 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:47,460 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:47,460 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:47,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:47,532 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:47,532 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1903029620] [2019-10-22 11:23:47,532 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:47,533 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:47,533 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244484079] [2019-10-22 11:23:47,533 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:47,533 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:47,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:47,533 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:47,534 INFO L87 Difference]: Start difference. First operand 339 states and 382 transitions. Second operand 6 states. [2019-10-22 11:23:48,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:48,087 INFO L93 Difference]: Finished difference Result 341 states and 382 transitions. [2019-10-22 11:23:48,087 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:48,088 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 15 [2019-10-22 11:23:48,088 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:48,089 INFO L225 Difference]: With dead ends: 341 [2019-10-22 11:23:48,089 INFO L226 Difference]: Without dead ends: 341 [2019-10-22 11:23:48,089 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:23:48,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2019-10-22 11:23:48,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 339. [2019-10-22 11:23:48,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2019-10-22 11:23:48,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 381 transitions. [2019-10-22 11:23:48,095 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 381 transitions. Word has length 15 [2019-10-22 11:23:48,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:48,095 INFO L462 AbstractCegarLoop]: Abstraction has 339 states and 381 transitions. [2019-10-22 11:23:48,095 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:48,095 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 381 transitions. [2019-10-22 11:23:48,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2019-10-22 11:23:48,096 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:48,096 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:48,096 INFO L410 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:48,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:48,096 INFO L82 PathProgramCache]: Analyzing trace with hash 1156696333, now seen corresponding path program 1 times [2019-10-22 11:23:48,097 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:48,097 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053452257] [2019-10-22 11:23:48,097 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:48,097 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:48,097 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:48,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:48,144 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:48,144 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053452257] [2019-10-22 11:23:48,144 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:48,144 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:48,145 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659716995] [2019-10-22 11:23:48,145 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:48,145 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:48,145 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:48,145 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:48,145 INFO L87 Difference]: Start difference. First operand 339 states and 381 transitions. Second operand 5 states. [2019-10-22 11:23:48,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:48,552 INFO L93 Difference]: Finished difference Result 340 states and 381 transitions. [2019-10-22 11:23:48,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 11:23:48,554 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 18 [2019-10-22 11:23:48,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:48,554 INFO L225 Difference]: With dead ends: 340 [2019-10-22 11:23:48,555 INFO L226 Difference]: Without dead ends: 328 [2019-10-22 11:23:48,555 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:23:48,556 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2019-10-22 11:23:48,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 328. [2019-10-22 11:23:48,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2019-10-22 11:23:48,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 369 transitions. [2019-10-22 11:23:48,560 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 369 transitions. Word has length 18 [2019-10-22 11:23:48,561 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:48,561 INFO L462 AbstractCegarLoop]: Abstraction has 328 states and 369 transitions. [2019-10-22 11:23:48,561 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:48,561 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 369 transitions. [2019-10-22 11:23:48,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:23:48,561 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:48,561 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:48,562 INFO L410 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:48,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:48,562 INFO L82 PathProgramCache]: Analyzing trace with hash -1550215582, now seen corresponding path program 1 times [2019-10-22 11:23:48,562 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:48,562 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972926753] [2019-10-22 11:23:48,562 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:48,563 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:48,563 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:48,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:48,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:48,601 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972926753] [2019-10-22 11:23:48,601 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:48,601 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:48,602 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84406571] [2019-10-22 11:23:48,602 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:48,602 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:48,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:48,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:48,603 INFO L87 Difference]: Start difference. First operand 328 states and 369 transitions. Second operand 4 states. [2019-10-22 11:23:48,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:48,691 INFO L93 Difference]: Finished difference Result 1233 states and 1379 transitions. [2019-10-22 11:23:48,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:48,692 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-10-22 11:23:48,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:48,696 INFO L225 Difference]: With dead ends: 1233 [2019-10-22 11:23:48,696 INFO L226 Difference]: Without dead ends: 1233 [2019-10-22 11:23:48,696 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 11:23:48,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1233 states. [2019-10-22 11:23:48,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1233 to 330. [2019-10-22 11:23:48,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2019-10-22 11:23:48,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 371 transitions. [2019-10-22 11:23:48,706 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 371 transitions. Word has length 19 [2019-10-22 11:23:48,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:48,707 INFO L462 AbstractCegarLoop]: Abstraction has 330 states and 371 transitions. [2019-10-22 11:23:48,707 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:48,707 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 371 transitions. [2019-10-22 11:23:48,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:23:48,707 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:48,707 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:48,708 INFO L410 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:48,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:48,708 INFO L82 PathProgramCache]: Analyzing trace with hash -1550156000, now seen corresponding path program 1 times [2019-10-22 11:23:48,708 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:48,709 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349480304] [2019-10-22 11:23:48,709 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:48,709 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:48,709 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:48,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:48,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:48,734 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [349480304] [2019-10-22 11:23:48,734 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:48,734 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:48,734 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214762582] [2019-10-22 11:23:48,735 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:48,735 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:48,735 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:48,735 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:48,735 INFO L87 Difference]: Start difference. First operand 330 states and 371 transitions. Second operand 4 states. [2019-10-22 11:23:48,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:48,790 INFO L93 Difference]: Finished difference Result 329 states and 369 transitions. [2019-10-22 11:23:48,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:48,791 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 19 [2019-10-22 11:23:48,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:48,792 INFO L225 Difference]: With dead ends: 329 [2019-10-22 11:23:48,792 INFO L226 Difference]: Without dead ends: 329 [2019-10-22 11:23:48,792 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 11:23:48,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2019-10-22 11:23:48,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2019-10-22 11:23:48,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2019-10-22 11:23:48,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 369 transitions. [2019-10-22 11:23:48,798 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 369 transitions. Word has length 19 [2019-10-22 11:23:48,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:48,798 INFO L462 AbstractCegarLoop]: Abstraction has 329 states and 369 transitions. [2019-10-22 11:23:48,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:48,798 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 369 transitions. [2019-10-22 11:23:48,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-10-22 11:23:48,799 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:48,799 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:48,799 INFO L410 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:48,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:48,800 INFO L82 PathProgramCache]: Analyzing trace with hash 952298202, now seen corresponding path program 1 times [2019-10-22 11:23:48,800 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:48,800 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186759878] [2019-10-22 11:23:48,800 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:48,800 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:48,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:48,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:48,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:48,847 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186759878] [2019-10-22 11:23:48,847 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:48,847 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:23:48,848 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476900516] [2019-10-22 11:23:48,848 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 11:23:48,848 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:48,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 11:23:48,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:23:48,849 INFO L87 Difference]: Start difference. First operand 329 states and 369 transitions. Second operand 7 states. [2019-10-22 11:23:49,440 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:49,440 INFO L93 Difference]: Finished difference Result 691 states and 763 transitions. [2019-10-22 11:23:49,441 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 11:23:49,441 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2019-10-22 11:23:49,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:49,442 INFO L225 Difference]: With dead ends: 691 [2019-10-22 11:23:49,442 INFO L226 Difference]: Without dead ends: 691 [2019-10-22 11:23:49,442 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:23:49,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 691 states. [2019-10-22 11:23:49,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 691 to 332. [2019-10-22 11:23:49,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 332 states. [2019-10-22 11:23:49,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 372 transitions. [2019-10-22 11:23:49,449 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 372 transitions. Word has length 19 [2019-10-22 11:23:49,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:49,450 INFO L462 AbstractCegarLoop]: Abstraction has 332 states and 372 transitions. [2019-10-22 11:23:49,450 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 11:23:49,450 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 372 transitions. [2019-10-22 11:23:49,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 11:23:49,450 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:49,450 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 11:23:49,451 INFO L410 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:49,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:49,451 INFO L82 PathProgramCache]: Analyzing trace with hash -810195264, now seen corresponding path program 1 times [2019-10-22 11:23:49,451 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:49,452 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064872062] [2019-10-22 11:23:49,452 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:49,452 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:49,452 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:49,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:49,490 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:49,490 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064872062] [2019-10-22 11:23:49,490 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:49,490 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:49,491 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923618732] [2019-10-22 11:23:49,491 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:49,491 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:49,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:49,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:49,492 INFO L87 Difference]: Start difference. First operand 332 states and 372 transitions. Second operand 4 states. [2019-10-22 11:23:49,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:49,662 INFO L93 Difference]: Finished difference Result 1153 states and 1284 transitions. [2019-10-22 11:23:49,662 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:49,662 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-10-22 11:23:49,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:49,664 INFO L225 Difference]: With dead ends: 1153 [2019-10-22 11:23:49,664 INFO L226 Difference]: Without dead ends: 1153 [2019-10-22 11:23:49,665 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 11:23:49,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2019-10-22 11:23:49,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 483. [2019-10-22 11:23:49,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 483 states. [2019-10-22 11:23:49,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 483 states and 647 transitions. [2019-10-22 11:23:49,673 INFO L78 Accepts]: Start accepts. Automaton has 483 states and 647 transitions. Word has length 20 [2019-10-22 11:23:49,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:49,674 INFO L462 AbstractCegarLoop]: Abstraction has 483 states and 647 transitions. [2019-10-22 11:23:49,674 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:49,674 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 647 transitions. [2019-10-22 11:23:49,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-10-22 11:23:49,674 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:49,674 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 11:23:49,675 INFO L410 AbstractCegarLoop]: === Iteration 27 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:49,675 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:49,675 INFO L82 PathProgramCache]: Analyzing trace with hash -1203222274, now seen corresponding path program 1 times [2019-10-22 11:23:49,675 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:49,676 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1815791602] [2019-10-22 11:23:49,676 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:49,676 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:49,676 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:49,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:49,709 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1815791602] [2019-10-22 11:23:49,710 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:49,710 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:49,710 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752735497] [2019-10-22 11:23:49,710 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:49,710 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:49,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:49,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:49,711 INFO L87 Difference]: Start difference. First operand 483 states and 647 transitions. Second operand 4 states. [2019-10-22 11:23:49,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:49,783 INFO L93 Difference]: Finished difference Result 676 states and 746 transitions. [2019-10-22 11:23:49,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:49,784 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 20 [2019-10-22 11:23:49,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:49,786 INFO L225 Difference]: With dead ends: 676 [2019-10-22 11:23:49,786 INFO L226 Difference]: Without dead ends: 676 [2019-10-22 11:23:49,786 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 11:23:49,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2019-10-22 11:23:49,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 331. [2019-10-22 11:23:49,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 331 states. [2019-10-22 11:23:49,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 331 states and 369 transitions. [2019-10-22 11:23:49,793 INFO L78 Accepts]: Start accepts. Automaton has 331 states and 369 transitions. Word has length 20 [2019-10-22 11:23:49,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:49,793 INFO L462 AbstractCegarLoop]: Abstraction has 331 states and 369 transitions. [2019-10-22 11:23:49,793 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:49,793 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 369 transitions. [2019-10-22 11:23:49,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 11:23:49,793 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:49,793 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] [2019-10-22 11:23:49,794 INFO L410 AbstractCegarLoop]: === Iteration 28 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:49,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:49,794 INFO L82 PathProgramCache]: Analyzing trace with hash 653751074, now seen corresponding path program 1 times [2019-10-22 11:23:49,794 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:49,794 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1647025840] [2019-10-22 11:23:49,795 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:49,795 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:49,795 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:49,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:49,821 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:49,821 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1647025840] [2019-10-22 11:23:49,822 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:49,822 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:49,822 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273606600] [2019-10-22 11:23:49,822 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:49,822 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:49,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:49,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:49,823 INFO L87 Difference]: Start difference. First operand 331 states and 369 transitions. Second operand 4 states. [2019-10-22 11:23:50,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:50,166 INFO L93 Difference]: Finished difference Result 527 states and 582 transitions. [2019-10-22 11:23:50,166 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:50,166 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 21 [2019-10-22 11:23:50,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:50,167 INFO L225 Difference]: With dead ends: 527 [2019-10-22 11:23:50,167 INFO L226 Difference]: Without dead ends: 527 [2019-10-22 11:23:50,168 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 11:23:50,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states. [2019-10-22 11:23:50,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 334. [2019-10-22 11:23:50,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2019-10-22 11:23:50,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 372 transitions. [2019-10-22 11:23:50,173 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 372 transitions. Word has length 21 [2019-10-22 11:23:50,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:50,173 INFO L462 AbstractCegarLoop]: Abstraction has 334 states and 372 transitions. [2019-10-22 11:23:50,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:50,173 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 372 transitions. [2019-10-22 11:23:50,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-10-22 11:23:50,174 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:50,174 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] [2019-10-22 11:23:50,174 INFO L410 AbstractCegarLoop]: === Iteration 29 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:50,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:50,174 INFO L82 PathProgramCache]: Analyzing trace with hash 330554013, now seen corresponding path program 1 times [2019-10-22 11:23:50,175 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:50,175 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031767452] [2019-10-22 11:23:50,175 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:50,175 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:50,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:50,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:50,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:50,304 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031767452] [2019-10-22 11:23:50,305 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:50,305 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 11:23:50,305 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1465597917] [2019-10-22 11:23:50,305 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:23:50,305 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:50,305 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:23:50,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:23:50,306 INFO L87 Difference]: Start difference. First operand 334 states and 372 transitions. Second operand 9 states. [2019-10-22 11:23:50,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:50,935 INFO L93 Difference]: Finished difference Result 598 states and 655 transitions. [2019-10-22 11:23:50,936 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:23:50,936 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 21 [2019-10-22 11:23:50,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:50,938 INFO L225 Difference]: With dead ends: 598 [2019-10-22 11:23:50,938 INFO L226 Difference]: Without dead ends: 598 [2019-10-22 11:23:50,938 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=80, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:23:50,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2019-10-22 11:23:50,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 336. [2019-10-22 11:23:50,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 336 states. [2019-10-22 11:23:50,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 374 transitions. [2019-10-22 11:23:50,948 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 374 transitions. Word has length 21 [2019-10-22 11:23:50,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:50,949 INFO L462 AbstractCegarLoop]: Abstraction has 336 states and 374 transitions. [2019-10-22 11:23:50,949 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:23:50,949 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 374 transitions. [2019-10-22 11:23:50,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:23:50,949 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:50,949 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:50,950 INFO L410 AbstractCegarLoop]: === Iteration 30 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:50,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:50,950 INFO L82 PathProgramCache]: Analyzing trace with hash -165159266, now seen corresponding path program 1 times [2019-10-22 11:23:50,950 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:50,950 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1027790180] [2019-10-22 11:23:50,950 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:50,951 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:50,951 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:51,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:51,051 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1027790180] [2019-10-22 11:23:51,052 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:51,052 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:23:51,052 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639302675] [2019-10-22 11:23:51,052 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:23:51,052 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:51,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:23:51,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:23:51,053 INFO L87 Difference]: Start difference. First operand 336 states and 374 transitions. Second operand 8 states. [2019-10-22 11:23:51,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:51,401 INFO L93 Difference]: Finished difference Result 380 states and 419 transitions. [2019-10-22 11:23:51,401 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:23:51,401 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-10-22 11:23:51,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:51,402 INFO L225 Difference]: With dead ends: 380 [2019-10-22 11:23:51,402 INFO L226 Difference]: Without dead ends: 380 [2019-10-22 11:23:51,403 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-10-22 11:23:51,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2019-10-22 11:23:51,405 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 338. [2019-10-22 11:23:51,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2019-10-22 11:23:51,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 377 transitions. [2019-10-22 11:23:51,406 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 377 transitions. Word has length 23 [2019-10-22 11:23:51,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:51,406 INFO L462 AbstractCegarLoop]: Abstraction has 338 states and 377 transitions. [2019-10-22 11:23:51,406 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:23:51,406 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 377 transitions. [2019-10-22 11:23:51,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-10-22 11:23:51,406 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:51,406 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:51,407 INFO L410 AbstractCegarLoop]: === Iteration 31 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:51,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:51,407 INFO L82 PathProgramCache]: Analyzing trace with hash -165159265, now seen corresponding path program 1 times [2019-10-22 11:23:51,407 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:51,407 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [217958036] [2019-10-22 11:23:51,407 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:51,408 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:51,408 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:51,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:51,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:51,519 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [217958036] [2019-10-22 11:23:51,519 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:51,520 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:23:51,520 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461276916] [2019-10-22 11:23:51,520 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-10-22 11:23:51,520 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:51,520 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-10-22 11:23:51,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:23:51,521 INFO L87 Difference]: Start difference. First operand 338 states and 377 transitions. Second operand 8 states. [2019-10-22 11:23:51,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:51,905 INFO L93 Difference]: Finished difference Result 385 states and 424 transitions. [2019-10-22 11:23:51,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:23:51,905 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 23 [2019-10-22 11:23:51,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:51,906 INFO L225 Difference]: With dead ends: 385 [2019-10-22 11:23:51,906 INFO L226 Difference]: Without dead ends: 385 [2019-10-22 11:23:51,906 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2019-10-22 11:23:51,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2019-10-22 11:23:51,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 338. [2019-10-22 11:23:51,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 338 states. [2019-10-22 11:23:51,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 376 transitions. [2019-10-22 11:23:51,910 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 376 transitions. Word has length 23 [2019-10-22 11:23:51,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:51,910 INFO L462 AbstractCegarLoop]: Abstraction has 338 states and 376 transitions. [2019-10-22 11:23:51,911 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-10-22 11:23:51,911 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 376 transitions. [2019-10-22 11:23:51,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:23:51,911 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:51,911 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:51,912 INFO L410 AbstractCegarLoop]: === Iteration 32 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:51,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:51,912 INFO L82 PathProgramCache]: Analyzing trace with hash 694912822, now seen corresponding path program 1 times [2019-10-22 11:23:51,912 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:51,912 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601398985] [2019-10-22 11:23:51,912 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:51,913 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:51,913 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:51,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:51,944 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:51,944 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601398985] [2019-10-22 11:23:51,944 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:51,945 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:51,945 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337816045] [2019-10-22 11:23:51,945 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:51,945 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:51,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:51,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:51,946 INFO L87 Difference]: Start difference. First operand 338 states and 376 transitions. Second operand 4 states. [2019-10-22 11:23:52,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:52,031 INFO L93 Difference]: Finished difference Result 1160 states and 1272 transitions. [2019-10-22 11:23:52,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:52,032 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-10-22 11:23:52,032 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:52,035 INFO L225 Difference]: With dead ends: 1160 [2019-10-22 11:23:52,035 INFO L226 Difference]: Without dead ends: 1160 [2019-10-22 11:23:52,036 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 11:23:52,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1160 states. [2019-10-22 11:23:52,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1160 to 340. [2019-10-22 11:23:52,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2019-10-22 11:23:52,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 378 transitions. [2019-10-22 11:23:52,043 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 378 transitions. Word has length 24 [2019-10-22 11:23:52,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:52,043 INFO L462 AbstractCegarLoop]: Abstraction has 340 states and 378 transitions. [2019-10-22 11:23:52,043 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:52,043 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 378 transitions. [2019-10-22 11:23:52,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:23:52,044 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:52,044 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:52,044 INFO L410 AbstractCegarLoop]: === Iteration 33 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:52,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:52,044 INFO L82 PathProgramCache]: Analyzing trace with hash 694972404, now seen corresponding path program 1 times [2019-10-22 11:23:52,045 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:52,045 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [657235446] [2019-10-22 11:23:52,045 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:52,045 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:52,045 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:52,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:52,070 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:52,070 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [657235446] [2019-10-22 11:23:52,070 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:52,070 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:52,070 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2087362256] [2019-10-22 11:23:52,070 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:52,071 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:52,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:52,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:52,071 INFO L87 Difference]: Start difference. First operand 340 states and 378 transitions. Second operand 4 states. [2019-10-22 11:23:52,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:52,119 INFO L93 Difference]: Finished difference Result 378 states and 416 transitions. [2019-10-22 11:23:52,119 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:52,119 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2019-10-22 11:23:52,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:52,120 INFO L225 Difference]: With dead ends: 378 [2019-10-22 11:23:52,121 INFO L226 Difference]: Without dead ends: 378 [2019-10-22 11:23:52,121 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 11:23:52,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 378 states. [2019-10-22 11:23:52,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 378 to 339. [2019-10-22 11:23:52,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2019-10-22 11:23:52,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 376 transitions. [2019-10-22 11:23:52,126 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 376 transitions. Word has length 24 [2019-10-22 11:23:52,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:52,126 INFO L462 AbstractCegarLoop]: Abstraction has 339 states and 376 transitions. [2019-10-22 11:23:52,126 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:52,126 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 376 transitions. [2019-10-22 11:23:52,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2019-10-22 11:23:52,127 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:52,127 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:52,127 INFO L410 AbstractCegarLoop]: === Iteration 34 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:52,128 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:52,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1777960155, now seen corresponding path program 1 times [2019-10-22 11:23:52,128 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:52,128 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074948447] [2019-10-22 11:23:52,128 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:52,128 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:52,128 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:52,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:52,178 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:52,178 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074948447] [2019-10-22 11:23:52,178 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:52,178 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 11:23:52,178 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [269527927] [2019-10-22 11:23:52,179 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 11:23:52,179 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:52,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 11:23:52,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:23:52,179 INFO L87 Difference]: Start difference. First operand 339 states and 376 transitions. Second operand 7 states. [2019-10-22 11:23:52,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:52,671 INFO L93 Difference]: Finished difference Result 711 states and 776 transitions. [2019-10-22 11:23:52,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-10-22 11:23:52,672 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 24 [2019-10-22 11:23:52,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:52,673 INFO L225 Difference]: With dead ends: 711 [2019-10-22 11:23:52,673 INFO L226 Difference]: Without dead ends: 711 [2019-10-22 11:23:52,673 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2019-10-22 11:23:52,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2019-10-22 11:23:52,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 342. [2019-10-22 11:23:52,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 342 states. [2019-10-22 11:23:52,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 379 transitions. [2019-10-22 11:23:52,678 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 379 transitions. Word has length 24 [2019-10-22 11:23:52,678 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:52,678 INFO L462 AbstractCegarLoop]: Abstraction has 342 states and 379 transitions. [2019-10-22 11:23:52,679 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 11:23:52,679 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 379 transitions. [2019-10-22 11:23:52,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:23:52,679 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:52,680 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:52,680 INFO L410 AbstractCegarLoop]: === Iteration 35 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:52,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:52,681 INFO L82 PathProgramCache]: Analyzing trace with hash 67451689, now seen corresponding path program 1 times [2019-10-22 11:23:52,681 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:52,681 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1075948000] [2019-10-22 11:23:52,681 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:52,681 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:52,681 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:52,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:52,743 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1075948000] [2019-10-22 11:23:52,743 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:52,743 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:52,743 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183313454] [2019-10-22 11:23:52,744 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:23:52,744 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:52,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:23:52,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:23:52,744 INFO L87 Difference]: Start difference. First operand 342 states and 379 transitions. Second operand 5 states. [2019-10-22 11:23:52,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:52,978 INFO L93 Difference]: Finished difference Result 397 states and 429 transitions. [2019-10-22 11:23:52,978 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:52,978 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2019-10-22 11:23:52,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:52,979 INFO L225 Difference]: With dead ends: 397 [2019-10-22 11:23:52,979 INFO L226 Difference]: Without dead ends: 397 [2019-10-22 11:23:52,980 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 11:23:52,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-10-22 11:23:52,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 344. [2019-10-22 11:23:52,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2019-10-22 11:23:52,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 382 transitions. [2019-10-22 11:23:52,987 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 382 transitions. Word has length 25 [2019-10-22 11:23:52,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:52,987 INFO L462 AbstractCegarLoop]: Abstraction has 344 states and 382 transitions. [2019-10-22 11:23:52,987 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:23:52,988 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 382 transitions. [2019-10-22 11:23:52,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:23:52,988 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:52,988 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:52,988 INFO L410 AbstractCegarLoop]: === Iteration 36 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:52,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:52,989 INFO L82 PathProgramCache]: Analyzing trace with hash 67451688, now seen corresponding path program 1 times [2019-10-22 11:23:52,989 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:52,989 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620715502] [2019-10-22 11:23:52,989 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:52,989 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:52,990 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:53,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:53,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:53,049 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620715502] [2019-10-22 11:23:53,049 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:53,049 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:53,049 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [158402251] [2019-10-22 11:23:53,049 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:53,049 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:53,050 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:53,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:53,050 INFO L87 Difference]: Start difference. First operand 344 states and 382 transitions. Second operand 4 states. [2019-10-22 11:23:53,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:53,366 INFO L93 Difference]: Finished difference Result 522 states and 578 transitions. [2019-10-22 11:23:53,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:53,366 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-10-22 11:23:53,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:53,367 INFO L225 Difference]: With dead ends: 522 [2019-10-22 11:23:53,367 INFO L226 Difference]: Without dead ends: 522 [2019-10-22 11:23:53,367 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 11:23:53,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 522 states. [2019-10-22 11:23:53,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 522 to 344. [2019-10-22 11:23:53,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2019-10-22 11:23:53,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 381 transitions. [2019-10-22 11:23:53,370 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 381 transitions. Word has length 25 [2019-10-22 11:23:53,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:53,371 INFO L462 AbstractCegarLoop]: Abstraction has 344 states and 381 transitions. [2019-10-22 11:23:53,371 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:53,371 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 381 transitions. [2019-10-22 11:23:53,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:23:53,371 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:53,371 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:53,372 INFO L410 AbstractCegarLoop]: === Iteration 37 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:53,372 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:53,372 INFO L82 PathProgramCache]: Analyzing trace with hash 69308517, now seen corresponding path program 1 times [2019-10-22 11:23:53,372 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:53,372 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762536470] [2019-10-22 11:23:53,372 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:53,372 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:53,372 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:53,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:53,405 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:53,405 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762536470] [2019-10-22 11:23:53,406 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:53,406 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:53,406 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1325053827] [2019-10-22 11:23:53,406 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:53,406 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:53,406 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:53,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:53,407 INFO L87 Difference]: Start difference. First operand 344 states and 381 transitions. Second operand 4 states. [2019-10-22 11:23:53,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:53,554 INFO L93 Difference]: Finished difference Result 1114 states and 1224 transitions. [2019-10-22 11:23:53,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:53,554 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-10-22 11:23:53,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:53,556 INFO L225 Difference]: With dead ends: 1114 [2019-10-22 11:23:53,556 INFO L226 Difference]: Without dead ends: 1114 [2019-10-22 11:23:53,556 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 11:23:53,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1114 states. [2019-10-22 11:23:53,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1114 to 486. [2019-10-22 11:23:53,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 486 states. [2019-10-22 11:23:53,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 639 transitions. [2019-10-22 11:23:53,567 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 639 transitions. Word has length 25 [2019-10-22 11:23:53,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:53,567 INFO L462 AbstractCegarLoop]: Abstraction has 486 states and 639 transitions. [2019-10-22 11:23:53,568 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:53,568 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 639 transitions. [2019-10-22 11:23:53,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:23:53,568 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:53,568 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:53,569 INFO L410 AbstractCegarLoop]: === Iteration 38 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:53,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:53,570 INFO L82 PathProgramCache]: Analyzing trace with hash 69298731, now seen corresponding path program 1 times [2019-10-22 11:23:53,570 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:53,570 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1956407673] [2019-10-22 11:23:53,571 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:53,571 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:53,571 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:53,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:53,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:53,608 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1956407673] [2019-10-22 11:23:53,608 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:53,608 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:53,608 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1425516308] [2019-10-22 11:23:53,608 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:53,608 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:53,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:53,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:53,609 INFO L87 Difference]: Start difference. First operand 486 states and 639 transitions. Second operand 4 states. [2019-10-22 11:23:53,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:53,680 INFO L93 Difference]: Finished difference Result 922 states and 1196 transitions. [2019-10-22 11:23:53,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:53,681 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-10-22 11:23:53,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:53,683 INFO L225 Difference]: With dead ends: 922 [2019-10-22 11:23:53,683 INFO L226 Difference]: Without dead ends: 922 [2019-10-22 11:23:53,684 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 11:23:53,685 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2019-10-22 11:23:53,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 480. [2019-10-22 11:23:53,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 480 states. [2019-10-22 11:23:53,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 480 states to 480 states and 629 transitions. [2019-10-22 11:23:53,695 INFO L78 Accepts]: Start accepts. Automaton has 480 states and 629 transitions. Word has length 25 [2019-10-22 11:23:53,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:53,696 INFO L462 AbstractCegarLoop]: Abstraction has 480 states and 629 transitions. [2019-10-22 11:23:53,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:53,696 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 629 transitions. [2019-10-22 11:23:53,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2019-10-22 11:23:53,696 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:53,696 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:53,697 INFO L410 AbstractCegarLoop]: === Iteration 39 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:53,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:53,697 INFO L82 PathProgramCache]: Analyzing trace with hash -323718493, now seen corresponding path program 1 times [2019-10-22 11:23:53,697 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:53,697 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1446290302] [2019-10-22 11:23:53,697 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:53,697 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:53,697 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:53,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:53,729 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:53,729 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1446290302] [2019-10-22 11:23:53,729 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:53,729 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:23:53,730 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920036528] [2019-10-22 11:23:53,730 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:53,730 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:53,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:53,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:53,730 INFO L87 Difference]: Start difference. First operand 480 states and 629 transitions. Second operand 4 states. [2019-10-22 11:23:53,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:53,790 INFO L93 Difference]: Finished difference Result 655 states and 713 transitions. [2019-10-22 11:23:53,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:23:53,791 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2019-10-22 11:23:53,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:53,793 INFO L225 Difference]: With dead ends: 655 [2019-10-22 11:23:53,793 INFO L226 Difference]: Without dead ends: 655 [2019-10-22 11:23:53,793 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 11:23:53,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 655 states. [2019-10-22 11:23:53,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 655 to 339. [2019-10-22 11:23:53,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2019-10-22 11:23:53,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 373 transitions. [2019-10-22 11:23:53,798 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 373 transitions. Word has length 25 [2019-10-22 11:23:53,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:53,798 INFO L462 AbstractCegarLoop]: Abstraction has 339 states and 373 transitions. [2019-10-22 11:23:53,798 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:53,798 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 373 transitions. [2019-10-22 11:23:53,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:23:53,799 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:53,799 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:53,799 INFO L410 AbstractCegarLoop]: === Iteration 40 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:53,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:53,800 INFO L82 PathProgramCache]: Analyzing trace with hash -2146402794, now seen corresponding path program 1 times [2019-10-22 11:23:53,800 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:53,800 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073171564] [2019-10-22 11:23:53,800 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:53,800 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:53,800 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:53,825 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:53,825 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073171564] [2019-10-22 11:23:53,825 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:53,826 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:53,826 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1485650264] [2019-10-22 11:23:53,826 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:53,826 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:53,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:53,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:53,827 INFO L87 Difference]: Start difference. First operand 339 states and 373 transitions. Second operand 4 states. [2019-10-22 11:23:54,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:54,100 INFO L93 Difference]: Finished difference Result 506 states and 558 transitions. [2019-10-22 11:23:54,100 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:54,100 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-10-22 11:23:54,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:54,102 INFO L225 Difference]: With dead ends: 506 [2019-10-22 11:23:54,102 INFO L226 Difference]: Without dead ends: 506 [2019-10-22 11:23:54,102 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 11:23:54,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2019-10-22 11:23:54,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 339. [2019-10-22 11:23:54,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 339 states. [2019-10-22 11:23:54,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 339 states and 372 transitions. [2019-10-22 11:23:54,112 INFO L78 Accepts]: Start accepts. Automaton has 339 states and 372 transitions. Word has length 26 [2019-10-22 11:23:54,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:54,112 INFO L462 AbstractCegarLoop]: Abstraction has 339 states and 372 transitions. [2019-10-22 11:23:54,112 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:54,113 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 372 transitions. [2019-10-22 11:23:54,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:23:54,113 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:54,113 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:54,113 INFO L410 AbstractCegarLoop]: === Iteration 41 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:54,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:54,114 INFO L82 PathProgramCache]: Analyzing trace with hash 1773270931, now seen corresponding path program 1 times [2019-10-22 11:23:54,114 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:54,114 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779146082] [2019-10-22 11:23:54,114 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:54,114 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:54,114 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:54,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:54,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:54,290 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1779146082] [2019-10-22 11:23:54,290 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:54,290 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 11:23:54,290 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1168965884] [2019-10-22 11:23:54,290 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:23:54,290 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:54,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:23:54,290 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:23:54,291 INFO L87 Difference]: Start difference. First operand 339 states and 372 transitions. Second operand 9 states. [2019-10-22 11:23:54,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:54,810 INFO L93 Difference]: Finished difference Result 371 states and 405 transitions. [2019-10-22 11:23:54,810 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:23:54,810 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2019-10-22 11:23:54,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:54,811 INFO L225 Difference]: With dead ends: 371 [2019-10-22 11:23:54,811 INFO L226 Difference]: Without dead ends: 370 [2019-10-22 11:23:54,811 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2019-10-22 11:23:54,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2019-10-22 11:23:54,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 352. [2019-10-22 11:23:54,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2019-10-22 11:23:54,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 395 transitions. [2019-10-22 11:23:54,814 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 395 transitions. Word has length 26 [2019-10-22 11:23:54,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:54,814 INFO L462 AbstractCegarLoop]: Abstraction has 352 states and 395 transitions. [2019-10-22 11:23:54,814 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:23:54,814 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 395 transitions. [2019-10-22 11:23:54,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:23:54,814 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:54,814 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:54,815 INFO L410 AbstractCegarLoop]: === Iteration 42 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:54,815 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:54,815 INFO L82 PathProgramCache]: Analyzing trace with hash 1773270945, now seen corresponding path program 1 times [2019-10-22 11:23:54,815 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:54,815 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1261174712] [2019-10-22 11:23:54,815 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:54,815 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:54,815 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:54,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:54,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:54,846 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1261174712] [2019-10-22 11:23:54,846 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:54,846 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:23:54,846 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587187609] [2019-10-22 11:23:54,846 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:23:54,847 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:54,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:23:54,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:23:54,847 INFO L87 Difference]: Start difference. First operand 352 states and 395 transitions. Second operand 4 states. [2019-10-22 11:23:55,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:55,040 INFO L93 Difference]: Finished difference Result 397 states and 448 transitions. [2019-10-22 11:23:55,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:23:55,041 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 26 [2019-10-22 11:23:55,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:55,041 INFO L225 Difference]: With dead ends: 397 [2019-10-22 11:23:55,041 INFO L226 Difference]: Without dead ends: 397 [2019-10-22 11:23:55,042 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 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 11:23:55,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-10-22 11:23:55,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 356. [2019-10-22 11:23:55,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2019-10-22 11:23:55,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 402 transitions. [2019-10-22 11:23:55,044 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 402 transitions. Word has length 26 [2019-10-22 11:23:55,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:55,044 INFO L462 AbstractCegarLoop]: Abstraction has 356 states and 402 transitions. [2019-10-22 11:23:55,044 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:23:55,044 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 402 transitions. [2019-10-22 11:23:55,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2019-10-22 11:23:55,045 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:55,045 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:55,045 INFO L410 AbstractCegarLoop]: === Iteration 43 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:55,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:55,045 INFO L82 PathProgramCache]: Analyzing trace with hash 1773270946, now seen corresponding path program 1 times [2019-10-22 11:23:55,045 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:55,046 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707216161] [2019-10-22 11:23:55,046 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:55,046 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:55,046 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:55,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:55,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:55,181 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707216161] [2019-10-22 11:23:55,181 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:55,181 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 11:23:55,182 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285780260] [2019-10-22 11:23:55,182 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:23:55,182 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:55,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:23:55,182 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:23:55,182 INFO L87 Difference]: Start difference. First operand 356 states and 402 transitions. Second operand 9 states. [2019-10-22 11:23:55,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:55,486 INFO L93 Difference]: Finished difference Result 343 states and 377 transitions. [2019-10-22 11:23:55,486 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:23:55,487 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 26 [2019-10-22 11:23:55,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:55,487 INFO L225 Difference]: With dead ends: 343 [2019-10-22 11:23:55,487 INFO L226 Difference]: Without dead ends: 329 [2019-10-22 11:23:55,487 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2019-10-22 11:23:55,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2019-10-22 11:23:55,490 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 329. [2019-10-22 11:23:55,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2019-10-22 11:23:55,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 363 transitions. [2019-10-22 11:23:55,491 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 363 transitions. Word has length 26 [2019-10-22 11:23:55,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:55,491 INFO L462 AbstractCegarLoop]: Abstraction has 329 states and 363 transitions. [2019-10-22 11:23:55,491 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:23:55,491 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 363 transitions. [2019-10-22 11:23:55,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 11:23:55,492 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:55,492 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:55,492 INFO L410 AbstractCegarLoop]: === Iteration 44 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:55,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:55,493 INFO L82 PathProgramCache]: Analyzing trace with hash 396564361, now seen corresponding path program 1 times [2019-10-22 11:23:55,493 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:55,493 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071983436] [2019-10-22 11:23:55,493 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:55,493 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:55,493 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:55,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:55,545 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071983436] [2019-10-22 11:23:55,545 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:55,545 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:23:55,546 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74845019] [2019-10-22 11:23:55,546 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:55,546 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:55,546 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:55,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:55,546 INFO L87 Difference]: Start difference. First operand 329 states and 363 transitions. Second operand 6 states. [2019-10-22 11:23:55,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:55,923 INFO L93 Difference]: Finished difference Result 642 states and 707 transitions. [2019-10-22 11:23:55,923 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:23:55,923 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2019-10-22 11:23:55,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:55,924 INFO L225 Difference]: With dead ends: 642 [2019-10-22 11:23:55,924 INFO L226 Difference]: Without dead ends: 642 [2019-10-22 11:23:55,924 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:23:55,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 642 states. [2019-10-22 11:23:55,926 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 642 to 328. [2019-10-22 11:23:55,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 328 states. [2019-10-22 11:23:55,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 362 transitions. [2019-10-22 11:23:55,927 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 362 transitions. Word has length 27 [2019-10-22 11:23:55,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:55,927 INFO L462 AbstractCegarLoop]: Abstraction has 328 states and 362 transitions. [2019-10-22 11:23:55,927 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:55,927 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 362 transitions. [2019-10-22 11:23:55,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 11:23:55,927 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:55,927 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:55,927 INFO L410 AbstractCegarLoop]: === Iteration 45 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:55,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:55,928 INFO L82 PathProgramCache]: Analyzing trace with hash 396564362, now seen corresponding path program 1 times [2019-10-22 11:23:55,928 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:55,928 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2009484761] [2019-10-22 11:23:55,928 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:55,928 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:55,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:55,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:55,987 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2009484761] [2019-10-22 11:23:55,987 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:55,987 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:23:55,987 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [665767701] [2019-10-22 11:23:55,988 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:23:55,988 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:55,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:23:55,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:23:55,988 INFO L87 Difference]: Start difference. First operand 328 states and 362 transitions. Second operand 6 states. [2019-10-22 11:23:56,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:56,532 INFO L93 Difference]: Finished difference Result 929 states and 1019 transitions. [2019-10-22 11:23:56,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-10-22 11:23:56,533 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2019-10-22 11:23:56,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:56,534 INFO L225 Difference]: With dead ends: 929 [2019-10-22 11:23:56,534 INFO L226 Difference]: Without dead ends: 929 [2019-10-22 11:23:56,535 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:23:56,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 929 states. [2019-10-22 11:23:56,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 929 to 327. [2019-10-22 11:23:56,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2019-10-22 11:23:56,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 361 transitions. [2019-10-22 11:23:56,540 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 361 transitions. Word has length 27 [2019-10-22 11:23:56,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:56,540 INFO L462 AbstractCegarLoop]: Abstraction has 327 states and 361 transitions. [2019-10-22 11:23:56,540 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:23:56,540 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 361 transitions. [2019-10-22 11:23:56,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2019-10-22 11:23:56,540 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:56,540 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:56,541 INFO L410 AbstractCegarLoop]: === Iteration 46 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:56,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:56,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1673794711, now seen corresponding path program 1 times [2019-10-22 11:23:56,541 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:56,541 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073455194] [2019-10-22 11:23:56,541 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:56,542 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:56,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:56,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:56,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:56,615 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073455194] [2019-10-22 11:23:56,615 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:56,615 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 11:23:56,615 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [609967065] [2019-10-22 11:23:56,615 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:23:56,615 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:56,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:23:56,616 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:23:56,616 INFO L87 Difference]: Start difference. First operand 327 states and 361 transitions. Second operand 9 states. [2019-10-22 11:23:56,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:56,972 INFO L93 Difference]: Finished difference Result 644 states and 709 transitions. [2019-10-22 11:23:56,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-22 11:23:56,972 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 27 [2019-10-22 11:23:56,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:56,973 INFO L225 Difference]: With dead ends: 644 [2019-10-22 11:23:56,973 INFO L226 Difference]: Without dead ends: 644 [2019-10-22 11:23:56,973 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2019-10-22 11:23:56,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 644 states. [2019-10-22 11:23:56,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 644 to 330. [2019-10-22 11:23:56,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 330 states. [2019-10-22 11:23:56,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 364 transitions. [2019-10-22 11:23:56,978 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 364 transitions. Word has length 27 [2019-10-22 11:23:56,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:56,978 INFO L462 AbstractCegarLoop]: Abstraction has 330 states and 364 transitions. [2019-10-22 11:23:56,978 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:23:56,979 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 364 transitions. [2019-10-22 11:23:56,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 11:23:56,979 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:56,979 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:56,980 INFO L410 AbstractCegarLoop]: === Iteration 47 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:56,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:56,980 INFO L82 PathProgramCache]: Analyzing trace with hash -1153736662, now seen corresponding path program 1 times [2019-10-22 11:23:56,980 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:56,980 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072326080] [2019-10-22 11:23:56,980 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:56,980 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:56,981 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:57,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:57,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:57,174 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072326080] [2019-10-22 11:23:57,175 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:57,175 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2019-10-22 11:23:57,175 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604984817] [2019-10-22 11:23:57,175 INFO L442 AbstractCegarLoop]: Interpolant automaton has 14 states [2019-10-22 11:23:57,175 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:57,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2019-10-22 11:23:57,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2019-10-22 11:23:57,176 INFO L87 Difference]: Start difference. First operand 330 states and 364 transitions. Second operand 14 states. [2019-10-22 11:23:58,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:23:58,576 INFO L93 Difference]: Finished difference Result 775 states and 846 transitions. [2019-10-22 11:23:58,576 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2019-10-22 11:23:58,576 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 29 [2019-10-22 11:23:58,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:23:58,578 INFO L225 Difference]: With dead ends: 775 [2019-10-22 11:23:58,578 INFO L226 Difference]: Without dead ends: 775 [2019-10-22 11:23:58,579 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=250, Invalid=742, Unknown=0, NotChecked=0, Total=992 [2019-10-22 11:23:58,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 775 states. [2019-10-22 11:23:58,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 775 to 329. [2019-10-22 11:23:58,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 329 states. [2019-10-22 11:23:58,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 329 states and 363 transitions. [2019-10-22 11:23:58,585 INFO L78 Accepts]: Start accepts. Automaton has 329 states and 363 transitions. Word has length 29 [2019-10-22 11:23:58,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:23:58,585 INFO L462 AbstractCegarLoop]: Abstraction has 329 states and 363 transitions. [2019-10-22 11:23:58,585 INFO L463 AbstractCegarLoop]: Interpolant automaton has 14 states. [2019-10-22 11:23:58,585 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 363 transitions. [2019-10-22 11:23:58,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 11:23:58,585 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:23:58,586 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:23:58,586 INFO L410 AbstractCegarLoop]: === Iteration 48 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:23:58,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:23:58,587 INFO L82 PathProgramCache]: Analyzing trace with hash -1153736661, now seen corresponding path program 1 times [2019-10-22 11:23:58,587 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:23:58,587 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071454878] [2019-10-22 11:23:58,587 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:58,588 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:23:58,588 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:23:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:23:59,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:23:59,132 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071454878] [2019-10-22 11:23:59,132 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:23:59,132 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2019-10-22 11:23:59,132 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [244788292] [2019-10-22 11:23:59,133 INFO L442 AbstractCegarLoop]: Interpolant automaton has 18 states [2019-10-22 11:23:59,134 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:23:59,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2019-10-22 11:23:59,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=260, Unknown=0, NotChecked=0, Total=306 [2019-10-22 11:23:59,135 INFO L87 Difference]: Start difference. First operand 329 states and 363 transitions. Second operand 18 states. [2019-10-22 11:24:02,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:02,101 INFO L93 Difference]: Finished difference Result 980 states and 1070 transitions. [2019-10-22 11:24:02,101 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2019-10-22 11:24:02,101 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 29 [2019-10-22 11:24:02,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:02,102 INFO L225 Difference]: With dead ends: 980 [2019-10-22 11:24:02,102 INFO L226 Difference]: Without dead ends: 980 [2019-10-22 11:24:02,103 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 3 SyntacticMatches, 3 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 274 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=333, Invalid=1073, Unknown=0, NotChecked=0, Total=1406 [2019-10-22 11:24:02,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2019-10-22 11:24:02,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 432. [2019-10-22 11:24:02,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2019-10-22 11:24:02,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 550 transitions. [2019-10-22 11:24:02,107 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 550 transitions. Word has length 29 [2019-10-22 11:24:02,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:02,107 INFO L462 AbstractCegarLoop]: Abstraction has 432 states and 550 transitions. [2019-10-22 11:24:02,107 INFO L463 AbstractCegarLoop]: Interpolant automaton has 18 states. [2019-10-22 11:24:02,107 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 550 transitions. [2019-10-22 11:24:02,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 11:24:02,108 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:02,108 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:02,108 INFO L410 AbstractCegarLoop]: === Iteration 49 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:24:02,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:02,108 INFO L82 PathProgramCache]: Analyzing trace with hash -12058486, now seen corresponding path program 1 times [2019-10-22 11:24:02,109 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:02,109 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523456397] [2019-10-22 11:24:02,109 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:02,109 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:02,109 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:02,162 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 11:24:02,162 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523456397] [2019-10-22 11:24:02,162 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:02,162 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 11:24:02,162 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014221266] [2019-10-22 11:24:02,163 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 11:24:02,163 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:02,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 11:24:02,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-10-22 11:24:02,163 INFO L87 Difference]: Start difference. First operand 432 states and 550 transitions. Second operand 6 states. [2019-10-22 11:24:02,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:02,484 INFO L93 Difference]: Finished difference Result 626 states and 777 transitions. [2019-10-22 11:24:02,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:24:02,484 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 29 [2019-10-22 11:24:02,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:02,485 INFO L225 Difference]: With dead ends: 626 [2019-10-22 11:24:02,485 INFO L226 Difference]: Without dead ends: 626 [2019-10-22 11:24:02,485 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:24:02,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2019-10-22 11:24:02,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 432. [2019-10-22 11:24:02,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 432 states. [2019-10-22 11:24:02,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 432 states to 432 states and 549 transitions. [2019-10-22 11:24:02,489 INFO L78 Accepts]: Start accepts. Automaton has 432 states and 549 transitions. Word has length 29 [2019-10-22 11:24:02,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:02,489 INFO L462 AbstractCegarLoop]: Abstraction has 432 states and 549 transitions. [2019-10-22 11:24:02,489 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 11:24:02,489 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 549 transitions. [2019-10-22 11:24:02,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2019-10-22 11:24:02,490 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:02,490 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:02,490 INFO L410 AbstractCegarLoop]: === Iteration 50 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:24:02,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:02,490 INFO L82 PathProgramCache]: Analyzing trace with hash 2096034668, now seen corresponding path program 1 times [2019-10-22 11:24:02,490 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:02,490 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928188389] [2019-10-22 11:24:02,490 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:02,490 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:02,490 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:02,642 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 11:24:02,642 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928188389] [2019-10-22 11:24:02,643 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:02,643 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-22 11:24:02,643 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458481858] [2019-10-22 11:24:02,643 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-22 11:24:02,643 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:02,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-22 11:24:02,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:24:02,644 INFO L87 Difference]: Start difference. First operand 432 states and 549 transitions. Second operand 12 states. [2019-10-22 11:24:03,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:03,257 INFO L93 Difference]: Finished difference Result 699 states and 854 transitions. [2019-10-22 11:24:03,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:24:03,257 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2019-10-22 11:24:03,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:03,258 INFO L225 Difference]: With dead ends: 699 [2019-10-22 11:24:03,258 INFO L226 Difference]: Without dead ends: 699 [2019-10-22 11:24:03,259 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=80, Invalid=130, Unknown=0, NotChecked=0, Total=210 [2019-10-22 11:24:03,259 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2019-10-22 11:24:03,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 434. [2019-10-22 11:24:03,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 434 states. [2019-10-22 11:24:03,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 434 states and 551 transitions. [2019-10-22 11:24:03,264 INFO L78 Accepts]: Start accepts. Automaton has 434 states and 551 transitions. Word has length 29 [2019-10-22 11:24:03,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:03,264 INFO L462 AbstractCegarLoop]: Abstraction has 434 states and 551 transitions. [2019-10-22 11:24:03,264 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-22 11:24:03,264 INFO L276 IsEmpty]: Start isEmpty. Operand 434 states and 551 transitions. [2019-10-22 11:24:03,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 11:24:03,264 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:03,265 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:03,265 INFO L410 AbstractCegarLoop]: === Iteration 51 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:24:03,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:03,265 INFO L82 PathProgramCache]: Analyzing trace with hash -50331731, now seen corresponding path program 1 times [2019-10-22 11:24:03,265 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:03,266 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665219311] [2019-10-22 11:24:03,266 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:03,266 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:03,266 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:03,406 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 11:24:03,406 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665219311] [2019-10-22 11:24:03,406 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:03,406 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 11:24:03,406 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112825811] [2019-10-22 11:24:03,407 INFO L442 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-10-22 11:24:03,407 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:03,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-10-22 11:24:03,407 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2019-10-22 11:24:03,407 INFO L87 Difference]: Start difference. First operand 434 states and 551 transitions. Second operand 10 states. [2019-10-22 11:24:04,001 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:04,001 INFO L93 Difference]: Finished difference Result 477 states and 590 transitions. [2019-10-22 11:24:04,002 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-22 11:24:04,002 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 31 [2019-10-22 11:24:04,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:04,002 INFO L225 Difference]: With dead ends: 477 [2019-10-22 11:24:04,003 INFO L226 Difference]: Without dead ends: 477 [2019-10-22 11:24:04,003 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2019-10-22 11:24:04,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 477 states. [2019-10-22 11:24:04,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 477 to 436. [2019-10-22 11:24:04,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2019-10-22 11:24:04,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 554 transitions. [2019-10-22 11:24:04,016 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 554 transitions. Word has length 31 [2019-10-22 11:24:04,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:04,016 INFO L462 AbstractCegarLoop]: Abstraction has 436 states and 554 transitions. [2019-10-22 11:24:04,016 INFO L463 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-10-22 11:24:04,016 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 554 transitions. [2019-10-22 11:24:04,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 11:24:04,017 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:04,017 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:04,017 INFO L410 AbstractCegarLoop]: === Iteration 52 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:24:04,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:04,018 INFO L82 PathProgramCache]: Analyzing trace with hash -50331730, now seen corresponding path program 1 times [2019-10-22 11:24:04,018 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:04,018 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034630134] [2019-10-22 11:24:04,018 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:04,018 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:04,018 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:04,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:04,354 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 11:24:04,354 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1034630134] [2019-10-22 11:24:04,354 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:04,355 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-10-22 11:24:04,355 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422752671] [2019-10-22 11:24:04,355 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-22 11:24:04,355 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:04,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-22 11:24:04,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:24:04,356 INFO L87 Difference]: Start difference. First operand 436 states and 554 transitions. Second operand 12 states. [2019-10-22 11:24:04,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:04,927 INFO L93 Difference]: Finished difference Result 473 states and 588 transitions. [2019-10-22 11:24:04,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-22 11:24:04,928 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 31 [2019-10-22 11:24:04,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:04,929 INFO L225 Difference]: With dead ends: 473 [2019-10-22 11:24:04,929 INFO L226 Difference]: Without dead ends: 473 [2019-10-22 11:24:04,929 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=77, Invalid=163, Unknown=0, NotChecked=0, Total=240 [2019-10-22 11:24:04,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 473 states. [2019-10-22 11:24:04,933 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 473 to 436. [2019-10-22 11:24:04,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2019-10-22 11:24:04,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 553 transitions. [2019-10-22 11:24:04,934 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 553 transitions. Word has length 31 [2019-10-22 11:24:04,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:04,934 INFO L462 AbstractCegarLoop]: Abstraction has 436 states and 553 transitions. [2019-10-22 11:24:04,934 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-22 11:24:04,935 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 553 transitions. [2019-10-22 11:24:04,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 11:24:04,935 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:04,935 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:04,936 INFO L410 AbstractCegarLoop]: === Iteration 53 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:24:04,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:04,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1543378109, now seen corresponding path program 1 times [2019-10-22 11:24:04,936 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:04,936 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720263022] [2019-10-22 11:24:04,936 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:04,937 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:04,937 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:04,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:05,020 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 11:24:05,020 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720263022] [2019-10-22 11:24:05,020 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:05,020 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-10-22 11:24:05,020 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709731996] [2019-10-22 11:24:05,021 INFO L442 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-10-22 11:24:05,021 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:05,021 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-10-22 11:24:05,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2019-10-22 11:24:05,021 INFO L87 Difference]: Start difference. First operand 436 states and 553 transitions. Second operand 9 states. [2019-10-22 11:24:05,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:05,454 INFO L93 Difference]: Finished difference Result 819 states and 1012 transitions. [2019-10-22 11:24:05,454 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-10-22 11:24:05,454 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2019-10-22 11:24:05,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:05,455 INFO L225 Difference]: With dead ends: 819 [2019-10-22 11:24:05,455 INFO L226 Difference]: Without dead ends: 819 [2019-10-22 11:24:05,455 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2019-10-22 11:24:05,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2019-10-22 11:24:05,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 436. [2019-10-22 11:24:05,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2019-10-22 11:24:05,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 552 transitions. [2019-10-22 11:24:05,459 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 552 transitions. Word has length 32 [2019-10-22 11:24:05,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:05,459 INFO L462 AbstractCegarLoop]: Abstraction has 436 states and 552 transitions. [2019-10-22 11:24:05,459 INFO L463 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-10-22 11:24:05,459 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 552 transitions. [2019-10-22 11:24:05,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:24:05,460 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:05,460 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:05,460 INFO L410 AbstractCegarLoop]: === Iteration 54 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:24:05,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:05,460 INFO L82 PathProgramCache]: Analyzing trace with hash 770229588, now seen corresponding path program 1 times [2019-10-22 11:24:05,460 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:05,460 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [52190165] [2019-10-22 11:24:05,460 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:05,461 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:05,461 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:05,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:05,496 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 11:24:05,496 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [52190165] [2019-10-22 11:24:05,497 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:05,497 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:24:05,497 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154816146] [2019-10-22 11:24:05,497 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:24:05,497 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:05,497 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:24:05,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:24:05,498 INFO L87 Difference]: Start difference. First operand 436 states and 552 transitions. Second operand 4 states. [2019-10-22 11:24:05,589 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:05,589 INFO L93 Difference]: Finished difference Result 1308 states and 1619 transitions. [2019-10-22 11:24:05,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:24:05,589 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-10-22 11:24:05,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:05,591 INFO L225 Difference]: With dead ends: 1308 [2019-10-22 11:24:05,592 INFO L226 Difference]: Without dead ends: 1308 [2019-10-22 11:24:05,592 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 11:24:05,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1308 states. [2019-10-22 11:24:05,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1308 to 438. [2019-10-22 11:24:05,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states. [2019-10-22 11:24:05,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 554 transitions. [2019-10-22 11:24:05,598 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 554 transitions. Word has length 34 [2019-10-22 11:24:05,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:05,599 INFO L462 AbstractCegarLoop]: Abstraction has 438 states and 554 transitions. [2019-10-22 11:24:05,599 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:24:05,599 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 554 transitions. [2019-10-22 11:24:05,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:24:05,599 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:05,599 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:05,600 INFO L410 AbstractCegarLoop]: === Iteration 55 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:24:05,600 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:05,600 INFO L82 PathProgramCache]: Analyzing trace with hash 770229365, now seen corresponding path program 1 times [2019-10-22 11:24:05,600 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:05,600 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197235742] [2019-10-22 11:24:05,600 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:05,600 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:05,601 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:05,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:05,634 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 11:24:05,634 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197235742] [2019-10-22 11:24:05,634 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:05,634 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:24:05,635 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1612267451] [2019-10-22 11:24:05,635 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 11:24:05,635 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:05,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 11:24:05,635 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-10-22 11:24:05,635 INFO L87 Difference]: Start difference. First operand 438 states and 554 transitions. Second operand 5 states. [2019-10-22 11:24:06,059 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:06,059 INFO L93 Difference]: Finished difference Result 618 states and 767 transitions. [2019-10-22 11:24:06,060 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 11:24:06,060 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2019-10-22 11:24:06,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:06,061 INFO L225 Difference]: With dead ends: 618 [2019-10-22 11:24:06,061 INFO L226 Difference]: Without dead ends: 618 [2019-10-22 11:24:06,061 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-10-22 11:24:06,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 618 states. [2019-10-22 11:24:06,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 618 to 446. [2019-10-22 11:24:06,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 446 states. [2019-10-22 11:24:06,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 446 states and 568 transitions. [2019-10-22 11:24:06,068 INFO L78 Accepts]: Start accepts. Automaton has 446 states and 568 transitions. Word has length 34 [2019-10-22 11:24:06,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:06,068 INFO L462 AbstractCegarLoop]: Abstraction has 446 states and 568 transitions. [2019-10-22 11:24:06,068 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 11:24:06,068 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 568 transitions. [2019-10-22 11:24:06,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:24:06,069 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:06,069 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:06,069 INFO L410 AbstractCegarLoop]: === Iteration 56 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:24:06,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:06,070 INFO L82 PathProgramCache]: Analyzing trace with hash 770289170, now seen corresponding path program 1 times [2019-10-22 11:24:06,070 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:06,070 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019084186] [2019-10-22 11:24:06,070 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:06,070 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:06,070 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:06,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:06,093 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 11:24:06,093 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019084186] [2019-10-22 11:24:06,094 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:06,094 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:24:06,094 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [947165188] [2019-10-22 11:24:06,094 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:24:06,094 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:06,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:24:06,095 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:24:06,095 INFO L87 Difference]: Start difference. First operand 446 states and 568 transitions. Second operand 4 states. [2019-10-22 11:24:06,171 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:06,171 INFO L93 Difference]: Finished difference Result 488 states and 610 transitions. [2019-10-22 11:24:06,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:24:06,171 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-10-22 11:24:06,171 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:06,172 INFO L225 Difference]: With dead ends: 488 [2019-10-22 11:24:06,172 INFO L226 Difference]: Without dead ends: 488 [2019-10-22 11:24:06,172 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 11:24:06,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2019-10-22 11:24:06,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 445. [2019-10-22 11:24:06,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2019-10-22 11:24:06,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 566 transitions. [2019-10-22 11:24:06,177 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 566 transitions. Word has length 34 [2019-10-22 11:24:06,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:06,177 INFO L462 AbstractCegarLoop]: Abstraction has 445 states and 566 transitions. [2019-10-22 11:24:06,177 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:24:06,177 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 566 transitions. [2019-10-22 11:24:06,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:24:06,177 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:06,177 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:06,178 INFO L410 AbstractCegarLoop]: === Iteration 57 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:24:06,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:06,178 INFO L82 PathProgramCache]: Analyzing trace with hash 770288947, now seen corresponding path program 1 times [2019-10-22 11:24:06,178 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:06,178 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1782789903] [2019-10-22 11:24:06,178 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:06,178 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:06,179 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:06,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:06,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 11:24:06,205 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1782789903] [2019-10-22 11:24:06,205 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:06,205 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 11:24:06,205 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [918476548] [2019-10-22 11:24:06,205 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:24:06,205 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:06,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:24:06,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:24:06,206 INFO L87 Difference]: Start difference. First operand 445 states and 566 transitions. Second operand 4 states. [2019-10-22 11:24:06,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:06,276 INFO L93 Difference]: Finished difference Result 814 states and 993 transitions. [2019-10-22 11:24:06,277 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 11:24:06,277 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2019-10-22 11:24:06,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:06,278 INFO L225 Difference]: With dead ends: 814 [2019-10-22 11:24:06,278 INFO L226 Difference]: Without dead ends: 814 [2019-10-22 11:24:06,278 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 11:24:06,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 814 states. [2019-10-22 11:24:06,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 814 to 438. [2019-10-22 11:24:06,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 438 states. [2019-10-22 11:24:06,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 438 states and 553 transitions. [2019-10-22 11:24:06,288 INFO L78 Accepts]: Start accepts. Automaton has 438 states and 553 transitions. Word has length 34 [2019-10-22 11:24:06,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:06,288 INFO L462 AbstractCegarLoop]: Abstraction has 438 states and 553 transitions. [2019-10-22 11:24:06,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:24:06,288 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 553 transitions. [2019-10-22 11:24:06,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:24:06,289 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:06,289 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:06,289 INFO L410 AbstractCegarLoop]: === Iteration 58 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:24:06,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:06,289 INFO L82 PathProgramCache]: Analyzing trace with hash -488568796, now seen corresponding path program 1 times [2019-10-22 11:24:06,290 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:06,290 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [303984638] [2019-10-22 11:24:06,290 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:06,290 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:06,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:06,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:06,779 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 11:24:06,779 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [303984638] [2019-10-22 11:24:06,780 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:06,780 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2019-10-22 11:24:06,780 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838764258] [2019-10-22 11:24:06,780 INFO L442 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-10-22 11:24:06,780 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:06,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-10-22 11:24:06,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-10-22 11:24:06,781 INFO L87 Difference]: Start difference. First operand 438 states and 553 transitions. Second operand 13 states. [2019-10-22 11:24:07,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:07,689 INFO L93 Difference]: Finished difference Result 480 states and 598 transitions. [2019-10-22 11:24:07,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-10-22 11:24:07,690 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 34 [2019-10-22 11:24:07,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:07,690 INFO L225 Difference]: With dead ends: 480 [2019-10-22 11:24:07,691 INFO L226 Difference]: Without dead ends: 479 [2019-10-22 11:24:07,691 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=71, Invalid=349, Unknown=0, NotChecked=0, Total=420 [2019-10-22 11:24:07,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 479 states. [2019-10-22 11:24:07,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 479 to 455. [2019-10-22 11:24:07,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2019-10-22 11:24:07,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 581 transitions. [2019-10-22 11:24:07,695 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 581 transitions. Word has length 34 [2019-10-22 11:24:07,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:07,696 INFO L462 AbstractCegarLoop]: Abstraction has 455 states and 581 transitions. [2019-10-22 11:24:07,696 INFO L463 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-10-22 11:24:07,696 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 581 transitions. [2019-10-22 11:24:07,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2019-10-22 11:24:07,696 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:07,696 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:07,697 INFO L410 AbstractCegarLoop]: === Iteration 59 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:24:07,697 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:07,697 INFO L82 PathProgramCache]: Analyzing trace with hash -488568781, now seen corresponding path program 1 times [2019-10-22 11:24:07,697 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:07,697 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523264397] [2019-10-22 11:24:07,697 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:07,698 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:07,698 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:07,916 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 11:24:07,917 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523264397] [2019-10-22 11:24:07,917 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:07,917 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2019-10-22 11:24:07,917 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972293603] [2019-10-22 11:24:07,917 INFO L442 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-10-22 11:24:07,917 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:07,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-10-22 11:24:07,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2019-10-22 11:24:07,917 INFO L87 Difference]: Start difference. First operand 455 states and 581 transitions. Second operand 12 states. [2019-10-22 11:24:08,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:08,245 INFO L93 Difference]: Finished difference Result 448 states and 559 transitions. [2019-10-22 11:24:08,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-10-22 11:24:08,245 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 34 [2019-10-22 11:24:08,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:08,246 INFO L225 Difference]: With dead ends: 448 [2019-10-22 11:24:08,246 INFO L226 Difference]: Without dead ends: 431 [2019-10-22 11:24:08,246 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=194, Unknown=0, NotChecked=0, Total=272 [2019-10-22 11:24:08,247 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2019-10-22 11:24:08,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 427. [2019-10-22 11:24:08,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 427 states. [2019-10-22 11:24:08,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 427 states and 541 transitions. [2019-10-22 11:24:08,250 INFO L78 Accepts]: Start accepts. Automaton has 427 states and 541 transitions. Word has length 34 [2019-10-22 11:24:08,250 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:08,250 INFO L462 AbstractCegarLoop]: Abstraction has 427 states and 541 transitions. [2019-10-22 11:24:08,251 INFO L463 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-10-22 11:24:08,251 INFO L276 IsEmpty]: Start isEmpty. Operand 427 states and 541 transitions. [2019-10-22 11:24:08,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 11:24:08,251 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:08,251 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:08,252 INFO L410 AbstractCegarLoop]: === Iteration 60 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:24:08,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:08,252 INFO L82 PathProgramCache]: Analyzing trace with hash -1892693326, now seen corresponding path program 1 times [2019-10-22 11:24:08,252 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:08,252 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131464948] [2019-10-22 11:24:08,252 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:08,252 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:08,252 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 11:24:08,281 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 11:24:08,281 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131464948] [2019-10-22 11:24:08,281 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 11:24:08,281 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 11:24:08,282 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90486704] [2019-10-22 11:24:08,282 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 11:24:08,282 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-10-22 11:24:08,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 11:24:08,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 11:24:08,282 INFO L87 Difference]: Start difference. First operand 427 states and 541 transitions. Second operand 4 states. [2019-10-22 11:24:08,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 11:24:08,480 INFO L93 Difference]: Finished difference Result 459 states and 582 transitions. [2019-10-22 11:24:08,480 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 11:24:08,480 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2019-10-22 11:24:08,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 11:24:08,481 INFO L225 Difference]: With dead ends: 459 [2019-10-22 11:24:08,481 INFO L226 Difference]: Without dead ends: 459 [2019-10-22 11:24:08,481 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 11:24:08,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 459 states. [2019-10-22 11:24:08,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 459 to 426. [2019-10-22 11:24:08,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 426 states. [2019-10-22 11:24:08,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 540 transitions. [2019-10-22 11:24:08,485 INFO L78 Accepts]: Start accepts. Automaton has 426 states and 540 transitions. Word has length 35 [2019-10-22 11:24:08,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 11:24:08,486 INFO L462 AbstractCegarLoop]: Abstraction has 426 states and 540 transitions. [2019-10-22 11:24:08,486 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 11:24:08,486 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 540 transitions. [2019-10-22 11:24:08,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2019-10-22 11:24:08,486 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 11:24:08,486 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 11:24:08,487 INFO L410 AbstractCegarLoop]: === Iteration 61 === [ULTIMATE.startErr1REQUIRES_VIOLATION, ULTIMATE.startErr43REQUIRES_VIOLATION, ULTIMATE.startErr20REQUIRES_VIOLATION, ULTIMATE.startErr89REQUIRES_VIOLATION, ULTIMATE.startErr102ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr65ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr39REQUIRES_VIOLATION, ULTIMATE.startErr112REQUIRES_VIOLATION, ULTIMATE.startErr101ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr93ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr74REQUIRES_VIOLATION, ULTIMATE.startErr116REQUIRES_VIOLATION, ULTIMATE.startErr35REQUIRES_VIOLATION, ULTIMATE.startErr12REQUIRES_VIOLATION, ULTIMATE.startErr54REQUIRES_VIOLATION, ULTIMATE.startErr78REQUIRES_VIOLATION, ULTIMATE.startErr120REQUIRES_VIOLATION, ULTIMATE.startErr31REQUIRES_VIOLATION, ULTIMATE.startErr8REQUIRES_VIOLATION, ULTIMATE.startErr91ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr66ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr50REQUIRES_VIOLATION, ULTIMATE.startErr59REQUIRES_VIOLATION, ULTIMATE.startErr100ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr27REQUIRES_VIOLATION, ULTIMATE.startErr4REQUIRES_VIOLATION, ULTIMATE.startErr92ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr63REQUIRES_VIOLATION, ULTIMATE.startErr23REQUIRES_VIOLATION, ULTIMATE.startErr86REQUIRES_VIOLATION, ULTIMATE.startErr0REQUIRES_VIOLATION, ULTIMATE.startErr109REQUIRES_VIOLATION, ULTIMATE.startErr42REQUIRES_VIOLATION, ULTIMATE.startErr81ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr19REQUIRES_VIOLATION, ULTIMATE.startErr90REQUIRES_VIOLATION, ULTIMATE.startErr113REQUIRES_VIOLATION, ULTIMATE.startErr48ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr38REQUIRES_VIOLATION, ULTIMATE.startErr57REQUIRES_VIOLATION, ULTIMATE.startErr117REQUIRES_VIOLATION, ULTIMATE.startErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr80ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr34REQUIRES_VIOLATION, ULTIMATE.startErr99ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr75REQUIRES_VIOLATION, ULTIMATE.startErr11REQUIRES_VIOLATION, ULTIMATE.startErr53REQUIRES_VIOLATION, ULTIMATE.startErr121REQUIRES_VIOLATION, ULTIMATE.startErr82ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr30REQUIRES_VIOLATION, ULTIMATE.startErr79REQUIRES_VIOLATION, ULTIMATE.startErr49ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr124ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr7REQUIRES_VIOLATION, ULTIMATE.startErr107ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr60REQUIRES_VIOLATION, ULTIMATE.startErr26REQUIRES_VIOLATION, ULTIMATE.startErr83REQUIRES_VIOLATION, ULTIMATE.startErr64ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr123ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr3REQUIRES_VIOLATION, ULTIMATE.startErr98ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr45REQUIRES_VIOLATION, ULTIMATE.startErr129REQUIRES_VIOLATION, ULTIMATE.startErr22REQUIRES_VIOLATION, ULTIMATE.startErr87REQUIRES_VIOLATION, ULTIMATE.startErr110REQUIRES_VIOLATION, ULTIMATE.startErr41REQUIRES_VIOLATION, ULTIMATE.startErr69ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr18REQUIRES_VIOLATION, ULTIMATE.startErr46ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr125ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr106ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr114REQUIRES_VIOLATION, ULTIMATE.startErr37REQUIRES_VIOLATION, ULTIMATE.startErr56REQUIRES_VIOLATION, ULTIMATE.startErr118REQUIRES_VIOLATION, ULTIMATE.startErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr97ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr76REQUIRES_VIOLATION, ULTIMATE.startErr33REQUIRES_VIOLATION, ULTIMATE.startErr96ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr131ASSERT_VIOLATIONMEMORY_LEAK, ULTIMATE.startErr10REQUIRES_VIOLATION, ULTIMATE.startErr52REQUIRES_VIOLATION, ULTIMATE.startErr122REQUIRES_VIOLATION, ULTIMATE.startErr105ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr29REQUIRES_VIOLATION, ULTIMATE.startErr108ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr126ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr47ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr6REQUIRES_VIOLATION, ULTIMATE.startErr61REQUIRES_VIOLATION, ULTIMATE.startErr73ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr25REQUIRES_VIOLATION, ULTIMATE.startErr84REQUIRES_VIOLATION, ULTIMATE.startErr2REQUIRES_VIOLATION, ULTIMATE.startErr44REQUIRES_VIOLATION, ULTIMATE.startErr67ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr130REQUIRES_VIOLATION, ULTIMATE.startErr104ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr21REQUIRES_VIOLATION, ULTIMATE.startErr88REQUIRES_VIOLATION, ULTIMATE.startErr40REQUIRES_VIOLATION, ULTIMATE.startErr111REQUIRES_VIOLATION, ULTIMATE.startErr127ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr72ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr36REQUIRES_VIOLATION, ULTIMATE.startErr115REQUIRES_VIOLATION, ULTIMATE.startErr95ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr13REQUIRES_VIOLATION, ULTIMATE.startErr55REQUIRES_VIOLATION, ULTIMATE.startErr32REQUIRES_VIOLATION, ULTIMATE.startErr77REQUIRES_VIOLATION, ULTIMATE.startErr119REQUIRES_VIOLATION, ULTIMATE.startErr103ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr9REQUIRES_VIOLATION, ULTIMATE.startErr51REQUIRES_VIOLATION, ULTIMATE.startErr58REQUIRES_VIOLATION, ULTIMATE.startErr70ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr128ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr28REQUIRES_VIOLATION, ULTIMATE.startErr68ASSERT_VIOLATIONMEMORY_FREE, ULTIMATE.startErr5REQUIRES_VIOLATION, ULTIMATE.startErr62REQUIRES_VIOLATION, ULTIMATE.startErr71ASSERT_VIOLATIONMEMORY_DEREFERENCE, ULTIMATE.startErr24REQUIRES_VIOLATION, ULTIMATE.startErr85REQUIRES_VIOLATION, ULTIMATE.startErr94ASSERT_VIOLATIONMEMORY_FREE]=== [2019-10-22 11:24:08,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 11:24:08,487 INFO L82 PathProgramCache]: Analyzing trace with hash -1890839086, now seen corresponding path program 1 times [2019-10-22 11:24:08,487 INFO L157 tionRefinementEngine]: Executing refinement strategy TAIPAN [2019-10-22 11:24:08,487 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442514594] [2019-10-22 11:24:08,488 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:08,488 INFO L116 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 11:24:08,488 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 11:24:08,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:24:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 11:24:08,547 INFO L168 tionRefinementEngine]: Strategy TAIPAN found a feasible trace [2019-10-22 11:24:08,547 INFO L445 BasicCegarLoop]: Counterexample might be feasible [2019-10-22 11:24:08,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 11:24:08 BoogieIcfgContainer [2019-10-22 11:24:08,581 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 11:24:08,581 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 11:24:08,581 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 11:24:08,581 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 11:24:08,581 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 11:23:39" (3/4) ... [2019-10-22 11:24:08,584 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2019-10-22 11:24:08,636 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e4fca6f7-4958-4ca4-bc23-f6dcf679e195/bin/utaipan/witness.graphml [2019-10-22 11:24:08,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 11:24:08,638 INFO L168 Benchmark]: Toolchain (without parser) took 31188.91 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 589.8 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -130.1 MB). Peak memory consumption was 459.8 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:08,638 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 11:24:08,638 INFO L168 Benchmark]: CACSL2BoogieTranslator took 672.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -144.0 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:08,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.24 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 11:24:08,642 INFO L168 Benchmark]: Boogie Preprocessor took 73.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:08,643 INFO L168 Benchmark]: RCFGBuilder took 1168.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.2 MB in the end (delta: 106.7 MB). Peak memory consumption was 106.7 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:08,643 INFO L168 Benchmark]: TraceAbstraction took 29102.87 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 451.4 MB). Free memory was 975.2 MB in the beginning and 1.1 GB in the end (delta: -104.4 MB). Peak memory consumption was 347.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:08,643 INFO L168 Benchmark]: Witness Printer took 54.97 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. [2019-10-22 11:24:08,645 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 672.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -144.0 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 112.24 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 73.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1168.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 975.2 MB in the end (delta: 106.7 MB). Peak memory consumption was 106.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 29102.87 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 451.4 MB). Free memory was 975.2 MB in the beginning and 1.1 GB in the end (delta: -104.4 MB). Peak memory consumption was 347.0 MB. Max. memory is 11.5 GB. * Witness Printer took 54.97 ms. Allocated memory is still 1.6 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 865]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L570] struct ldv_list_head ldv_global_msg_list = { &(ldv_global_msg_list), &(ldv_global_msg_list) }; VAL [ldv_global_msg_list={-2:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [ldv_global_msg_list={-2:0}] [L878] struct ldv_i2c_client *client = (struct ldv_i2c_client *)ldv_malloc(sizeof(struct ldv_i2c_client)); [L879] COND FALSE !(!client) [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [ldv_global_msg_list={-2:0}] [L880-L881] struct ldv_m88ts2022_config *cfg = (struct ldv_m88ts2022_config *) ldv_malloc(sizeof(struct ldv_m88ts2022_config)); [L882] COND FALSE !(!cfg) VAL [ldv_global_msg_list={-2:0}] [L883] client->dev.platform_data = cfg VAL [ldv_global_msg_list={-2:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [ldv_global_msg_list={-2:0}] [L884-L885] struct ldv_dvb_frontend *fe = (struct ldv_dvb_frontend *) ldv_malloc(sizeof(struct ldv_dvb_frontend)); [L886] COND FALSE !(!fe) VAL [ldv_global_msg_list={-2:0}] [L887] cfg->fe = fe VAL [ldv_global_msg_list={-2:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [ldv_global_msg_list={-2:0}] [L888] void *addr = (void *)ldv_malloc(sizeof(int)); [L889] COND FALSE !(!addr) VAL [ldv_global_msg_list={-2:0}] [L890] client->addr = addr VAL [ldv_global_msg_list={-2:0}] [L527] COND TRUE __VERIFIER_nondet_int() [L528] return malloc(size); VAL [ldv_global_msg_list={-2:0}] [L891-L892] struct ldv_i2c_adapter *adapter = (struct ldv_i2c_adapter *) ldv_malloc(sizeof(struct ldv_i2c_adapter)); [L893] COND FALSE !(!adapter) VAL [ldv_global_msg_list={-2:0}] [L894] client->adapter = adapter VAL [ldv_global_msg_list={-2:0}] [L895] adapter->master_xfer = master_xfer VAL [ldv_global_msg_list={-2:0}] [L843] unsigned char chip_id; [L844] int ret; VAL [ldv_global_msg_list={-2:0}] [L845] EXPR client->dev.platform_data VAL [ldv_global_msg_list={-2:0}] [L845] struct ldv_m88ts2022_config *cfg = (struct ldv_m88ts2022_config *)client->dev.platform_data; [L846] EXPR cfg->fe VAL [ldv_global_msg_list={-2:0}] [L846] struct ldv_dvb_frontend *fe = cfg->fe; [L527] COND FALSE !(__VERIFIER_nondet_int()) [L530] return 0; VAL [ldv_global_msg_list={-2:0}] [L847] struct ldv_m88ts2022_priv *priv = (struct ldv_m88ts2022_priv*)ldv_malloc(sizeof(struct ldv_m88ts2022_priv)); [L848] COND TRUE !priv [L848] ret=- -3 VAL [ldv_global_msg_list={-2:0}] [L865] free(priv) VAL [ldv_global_msg_list={-2:0}] [L865] free(priv) VAL [ldv_global_msg_list={-2:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 323 locations, 132 error locations. Result: UNSAFE, OverallTime: 29.0s, OverallIterations: 61, TraceHistogramMax: 1, AutomataDifference: 23.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 21585 SDtfs, 41170 SDslu, 42676 SDs, 0 SdLazy, 24875 SolverSat, 1540 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 513 GetRequests, 89 SyntacticMatches, 14 SemanticMatches, 410 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 737 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=527occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 60 MinimizatonAttempts, 16236 StatesRemovedByMinimization, 57 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 1302 NumberOfCodeBlocks, 1302 NumberOfCodeBlocksAsserted, 61 NumberOfCheckSat, 1207 ConstructedInterpolants, 0 QuantifiedInterpolants, 233363 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 60 InterpolantComputations, 60 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...