./Ultimate.py --spec ../../sv-benchmarks/c/MemSafety.prp --file ../../sv-benchmarks/c/memsafety-ext2/split_list_test05_true-valid-memsafety.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/split_list_test05_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/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 7bf1aafbc1548e76c7d5b18b2b6c35fe6068ce88 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety-ext2/split_list_test05_true-valid-memsafety.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/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 7bf1aafbc1548e76c7d5b18b2b6c35fe6068ce88 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_64 term size 41 --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 04:46:44,704 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 04:46:44,705 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 04:46:44,715 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 04:46:44,715 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 04:46:44,716 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 04:46:44,717 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 04:46:44,718 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 04:46:44,720 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 04:46:44,721 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 04:46:44,721 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 04:46:44,722 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 04:46:44,722 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 04:46:44,723 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 04:46:44,725 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 04:46:44,725 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 04:46:44,726 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 04:46:44,728 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 04:46:44,729 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 04:46:44,731 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 04:46:44,732 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 04:46:44,733 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 04:46:44,735 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 04:46:44,735 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 04:46:44,735 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 04:46:44,737 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 04:46:44,737 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 04:46:44,738 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 04:46:44,739 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 04:46:44,740 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 04:46:44,740 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 04:46:44,741 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 04:46:44,741 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 04:46:44,741 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 04:46:44,742 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 04:46:44,742 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 04:46:44,742 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-10-27 04:46:44,753 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 04:46:44,754 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 04:46:44,754 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 04:46:44,755 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 04:46:44,755 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 04:46:44,755 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 04:46:44,755 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 04:46:44,755 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 04:46:44,755 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 04:46:44,756 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 04:46:44,756 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 04:46:44,757 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 04:46:44,757 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 04:46:44,757 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 04:46:44,757 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 04:46:44,758 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 04:46:44,758 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 04:46:44,758 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 04:46:44,758 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 04:46:44,758 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-27 04:46:44,758 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-27 04:46:44,758 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-27 04:46:44,759 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 04:46:44,759 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 04:46:44,759 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 04:46:44,759 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 04:46:44,759 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 04:46:44,761 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 04:46:44,761 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 04:46:44,761 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 04:46:44,762 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 04:46:44,762 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 04:46:44,762 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 04:46:44,762 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 04:46:44,762 INFO L133 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_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/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 -> 7bf1aafbc1548e76c7d5b18b2b6c35fe6068ce88 [2018-10-27 04:46:44,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 04:46:44,800 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 04:46:44,803 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 04:46:44,804 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 04:46:44,804 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 04:46:44,805 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/../../sv-benchmarks/c/memsafety-ext2/split_list_test05_true-valid-memsafety.i [2018-10-27 04:46:44,857 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/data/c150e31a4/4f82f968ed994484afbce29eaa0237aa/FLAG911fea2a6 [2018-10-27 04:46:45,292 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 04:46:45,292 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/sv-benchmarks/c/memsafety-ext2/split_list_test05_true-valid-memsafety.i [2018-10-27 04:46:45,303 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/data/c150e31a4/4f82f968ed994484afbce29eaa0237aa/FLAG911fea2a6 [2018-10-27 04:46:45,315 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/data/c150e31a4/4f82f968ed994484afbce29eaa0237aa [2018-10-27 04:46:45,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 04:46:45,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 04:46:45,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 04:46:45,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 04:46:45,323 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 04:46:45,324 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:46:45" (1/1) ... [2018-10-27 04:46:45,327 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ad8fa87 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:45, skipping insertion in model container [2018-10-27 04:46:45,327 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:46:45" (1/1) ... [2018-10-27 04:46:45,336 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 04:46:45,375 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 04:46:45,630 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:46:45,638 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 04:46:45,687 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:46:45,736 INFO L193 MainTranslator]: Completed translation [2018-10-27 04:46:45,736 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:45 WrapperNode [2018-10-27 04:46:45,736 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 04:46:45,737 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 04:46:45,737 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 04:46:45,738 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 04:46:45,746 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:45" (1/1) ... [2018-10-27 04:46:45,835 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:45" (1/1) ... [2018-10-27 04:46:45,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 04:46:45,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 04:46:45,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 04:46:45,903 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 04:46:45,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:45" (1/1) ... [2018-10-27 04:46:45,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:45" (1/1) ... [2018-10-27 04:46:45,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:45" (1/1) ... [2018-10-27 04:46:45,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:45" (1/1) ... [2018-10-27 04:46:45,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:45" (1/1) ... [2018-10-27 04:46:45,977 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:45" (1/1) ... [2018-10-27 04:46:45,980 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:45" (1/1) ... [2018-10-27 04:46:45,993 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 04:46:45,994 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 04:46:45,994 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 04:46:45,994 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 04:46:45,995 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/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 [2018-10-27 04:46:46,058 INFO L130 BoogieDeclarations]: Found specification of procedure containsBody [2018-10-27 04:46:46,059 INFO L138 BoogieDeclarations]: Found implementation of procedure containsBody [2018-10-27 04:46:46,059 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 04:46:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 04:46:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 04:46:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 04:46:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure containsHead [2018-10-27 04:46:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure containsHead [2018-10-27 04:46:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 04:46:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 04:46:46,060 INFO L130 BoogieDeclarations]: Found specification of procedure append [2018-10-27 04:46:46,060 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2018-10-27 04:46:48,361 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 04:46:48,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:46:48 BoogieIcfgContainer [2018-10-27 04:46:48,363 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 04:46:48,364 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 04:46:48,364 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 04:46:48,367 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 04:46:48,369 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 04:46:45" (1/3) ... [2018-10-27 04:46:48,370 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68830b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:46:48, skipping insertion in model container [2018-10-27 04:46:48,370 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:46:45" (2/3) ... [2018-10-27 04:46:48,371 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@68830b79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:46:48, skipping insertion in model container [2018-10-27 04:46:48,371 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:46:48" (3/3) ... [2018-10-27 04:46:48,373 INFO L112 eAbstractionObserver]: Analyzing ICFG split_list_test05_true-valid-memsafety.i [2018-10-27 04:46:48,381 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 04:46:48,393 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 141 error locations. [2018-10-27 04:46:48,411 INFO L257 AbstractCegarLoop]: Starting to check reachability of 141 error locations. [2018-10-27 04:46:48,434 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 04:46:48,434 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-27 04:46:48,434 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 04:46:48,434 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 04:46:48,434 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 04:46:48,435 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 04:46:48,435 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 04:46:48,435 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 04:46:48,459 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states. [2018-10-27 04:46:48,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-27 04:46:48,469 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:48,469 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:46:48,475 INFO L424 AbstractCegarLoop]: === Iteration 1 === [containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:48,482 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:48,482 INFO L82 PathProgramCache]: Analyzing trace with hash 1751099008, now seen corresponding path program 1 times [2018-10-27 04:46:48,485 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:48,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:48,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:48,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:48,530 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:48,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:48,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:48,664 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:48,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 04:46:48,665 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:48,670 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 04:46:48,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 04:46:48,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:46:48,688 INFO L87 Difference]: Start difference. First operand 371 states. Second operand 3 states. [2018-10-27 04:46:49,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:49,279 INFO L93 Difference]: Finished difference Result 374 states and 412 transitions. [2018-10-27 04:46:49,279 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 04:46:49,280 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-10-27 04:46:49,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:49,292 INFO L225 Difference]: With dead ends: 374 [2018-10-27 04:46:49,292 INFO L226 Difference]: Without dead ends: 371 [2018-10-27 04:46:49,294 INFO L605 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 [2018-10-27 04:46:49,311 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2018-10-27 04:46:49,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 367. [2018-10-27 04:46:49,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2018-10-27 04:46:49,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 403 transitions. [2018-10-27 04:46:49,356 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 403 transitions. Word has length 7 [2018-10-27 04:46:49,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:49,357 INFO L481 AbstractCegarLoop]: Abstraction has 367 states and 403 transitions. [2018-10-27 04:46:49,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 04:46:49,357 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 403 transitions. [2018-10-27 04:46:49,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 04:46:49,357 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:49,358 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:46:49,360 INFO L424 AbstractCegarLoop]: === Iteration 2 === [containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:49,360 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:49,360 INFO L82 PathProgramCache]: Analyzing trace with hash -1550505319, now seen corresponding path program 1 times [2018-10-27 04:46:49,361 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:49,361 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:49,361 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:49,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:49,362 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:49,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:49,503 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:49,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:49,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 04:46:49,504 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:49,505 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 04:46:49,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 04:46:49,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:46:49,505 INFO L87 Difference]: Start difference. First operand 367 states and 403 transitions. Second operand 3 states. [2018-10-27 04:46:49,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:49,769 INFO L93 Difference]: Finished difference Result 366 states and 402 transitions. [2018-10-27 04:46:49,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 04:46:49,770 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-10-27 04:46:49,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:49,771 INFO L225 Difference]: With dead ends: 366 [2018-10-27 04:46:49,771 INFO L226 Difference]: Without dead ends: 366 [2018-10-27 04:46:49,772 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:46:49,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-10-27 04:46:49,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2018-10-27 04:46:49,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2018-10-27 04:46:49,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 402 transitions. [2018-10-27 04:46:49,792 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 402 transitions. Word has length 8 [2018-10-27 04:46:49,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:49,793 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 402 transitions. [2018-10-27 04:46:49,793 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 04:46:49,793 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 402 transitions. [2018-10-27 04:46:49,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-27 04:46:49,793 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:49,794 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:46:49,797 INFO L424 AbstractCegarLoop]: === Iteration 3 === [containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:49,798 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:49,801 INFO L82 PathProgramCache]: Analyzing trace with hash -821024350, now seen corresponding path program 1 times [2018-10-27 04:46:49,801 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:49,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:49,802 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:49,802 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:49,802 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:49,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:49,862 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:49,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:46:49,863 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:49,863 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:46:49,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:46:49,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:46:49,864 INFO L87 Difference]: Start difference. First operand 366 states and 402 transitions. Second operand 5 states. [2018-10-27 04:46:50,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:50,573 INFO L93 Difference]: Finished difference Result 369 states and 407 transitions. [2018-10-27 04:46:50,580 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:46:50,580 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-10-27 04:46:50,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:50,581 INFO L225 Difference]: With dead ends: 369 [2018-10-27 04:46:50,582 INFO L226 Difference]: Without dead ends: 369 [2018-10-27 04:46:50,582 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:46:50,583 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2018-10-27 04:46:50,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 365. [2018-10-27 04:46:50,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-10-27 04:46:50,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 401 transitions. [2018-10-27 04:46:50,600 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 401 transitions. Word has length 9 [2018-10-27 04:46:50,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:50,600 INFO L481 AbstractCegarLoop]: Abstraction has 365 states and 401 transitions. [2018-10-27 04:46:50,600 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:46:50,600 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 401 transitions. [2018-10-27 04:46:50,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 04:46:50,601 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:50,601 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:46:50,603 INFO L424 AbstractCegarLoop]: === Iteration 4 === [containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:50,605 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:50,605 INFO L82 PathProgramCache]: Analyzing trace with hash 318049211, now seen corresponding path program 1 times [2018-10-27 04:46:50,605 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:50,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:50,606 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:50,606 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:50,607 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:50,678 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:50,678 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:50,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:46:50,679 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:50,679 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:46:50,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:46:50,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:46:50,679 INFO L87 Difference]: Start difference. First operand 365 states and 401 transitions. Second operand 4 states. [2018-10-27 04:46:50,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:50,957 INFO L93 Difference]: Finished difference Result 368 states and 406 transitions. [2018-10-27 04:46:50,958 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:46:50,958 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-10-27 04:46:50,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:50,959 INFO L225 Difference]: With dead ends: 368 [2018-10-27 04:46:50,959 INFO L226 Difference]: Without dead ends: 368 [2018-10-27 04:46:50,959 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:46:50,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2018-10-27 04:46:50,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 364. [2018-10-27 04:46:50,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2018-10-27 04:46:50,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 400 transitions. [2018-10-27 04:46:50,971 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 400 transitions. Word has length 10 [2018-10-27 04:46:50,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:50,971 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 400 transitions. [2018-10-27 04:46:50,971 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:46:50,971 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 400 transitions. [2018-10-27 04:46:50,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-27 04:46:50,972 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:50,972 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:46:50,973 INFO L424 AbstractCegarLoop]: === Iteration 5 === [containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:50,974 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:50,974 INFO L82 PathProgramCache]: Analyzing trace with hash -842581608, now seen corresponding path program 1 times [2018-10-27 04:46:50,974 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:50,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:50,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:50,975 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:50,975 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:50,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:51,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:51,021 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:51,021 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 04:46:51,021 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:51,022 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 04:46:51,022 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 04:46:51,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:46:51,022 INFO L87 Difference]: Start difference. First operand 364 states and 400 transitions. Second operand 3 states. [2018-10-27 04:46:51,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:51,298 INFO L93 Difference]: Finished difference Result 363 states and 399 transitions. [2018-10-27 04:46:51,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 04:46:51,299 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-10-27 04:46:51,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:51,300 INFO L225 Difference]: With dead ends: 363 [2018-10-27 04:46:51,300 INFO L226 Difference]: Without dead ends: 363 [2018-10-27 04:46:51,300 INFO L605 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 [2018-10-27 04:46:51,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-10-27 04:46:51,307 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2018-10-27 04:46:51,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2018-10-27 04:46:51,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 399 transitions. [2018-10-27 04:46:51,309 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 399 transitions. Word has length 16 [2018-10-27 04:46:51,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:51,310 INFO L481 AbstractCegarLoop]: Abstraction has 363 states and 399 transitions. [2018-10-27 04:46:51,310 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 04:46:51,310 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 399 transitions. [2018-10-27 04:46:51,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 04:46:51,310 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:51,310 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:46:51,312 INFO L424 AbstractCegarLoop]: === Iteration 6 === [containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:51,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:51,312 INFO L82 PathProgramCache]: Analyzing trace with hash -350225560, now seen corresponding path program 1 times [2018-10-27 04:46:51,312 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:51,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:51,313 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:51,313 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:51,313 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:51,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:51,421 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:51,421 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:51,421 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 04:46:51,421 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:51,421 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 04:46:51,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 04:46:51,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:46:51,422 INFO L87 Difference]: Start difference. First operand 363 states and 399 transitions. Second operand 3 states. [2018-10-27 04:46:51,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:51,924 INFO L93 Difference]: Finished difference Result 362 states and 398 transitions. [2018-10-27 04:46:51,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 04:46:51,925 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-10-27 04:46:51,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:51,926 INFO L225 Difference]: With dead ends: 362 [2018-10-27 04:46:51,926 INFO L226 Difference]: Without dead ends: 362 [2018-10-27 04:46:51,926 INFO L605 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 [2018-10-27 04:46:51,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2018-10-27 04:46:51,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2018-10-27 04:46:51,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2018-10-27 04:46:51,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 398 transitions. [2018-10-27 04:46:51,936 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 398 transitions. Word has length 17 [2018-10-27 04:46:51,936 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:51,936 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 398 transitions. [2018-10-27 04:46:51,936 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 04:46:51,936 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 398 transitions. [2018-10-27 04:46:51,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 04:46:51,937 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:51,937 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:46:51,938 INFO L424 AbstractCegarLoop]: === Iteration 7 === [containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:51,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:51,938 INFO L82 PathProgramCache]: Analyzing trace with hash 2027910042, now seen corresponding path program 1 times [2018-10-27 04:46:51,938 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:51,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:51,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:51,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:51,946 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:52,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:52,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:52,755 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-10-27 04:46:52,756 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:52,756 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 04:46:52,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 04:46:52,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-10-27 04:46:52,756 INFO L87 Difference]: Start difference. First operand 362 states and 398 transitions. Second operand 9 states. [2018-10-27 04:46:53,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:53,828 INFO L93 Difference]: Finished difference Result 417 states and 460 transitions. [2018-10-27 04:46:53,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 04:46:53,829 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 18 [2018-10-27 04:46:53,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:53,831 INFO L225 Difference]: With dead ends: 417 [2018-10-27 04:46:53,831 INFO L226 Difference]: Without dead ends: 417 [2018-10-27 04:46:53,831 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2018-10-27 04:46:53,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2018-10-27 04:46:53,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 376. [2018-10-27 04:46:53,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2018-10-27 04:46:53,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 420 transitions. [2018-10-27 04:46:53,841 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 420 transitions. Word has length 18 [2018-10-27 04:46:53,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:53,841 INFO L481 AbstractCegarLoop]: Abstraction has 376 states and 420 transitions. [2018-10-27 04:46:53,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 04:46:53,841 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 420 transitions. [2018-10-27 04:46:53,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 04:46:53,842 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:53,842 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:46:53,843 INFO L424 AbstractCegarLoop]: === Iteration 8 === [containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:53,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:53,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1559297622, now seen corresponding path program 1 times [2018-10-27 04:46:53,843 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:53,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:53,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:53,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:53,844 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:53,968 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:53,969 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:53,969 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 04:46:53,969 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:53,969 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 04:46:53,969 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 04:46:53,969 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-27 04:46:53,970 INFO L87 Difference]: Start difference. First operand 376 states and 420 transitions. Second operand 7 states. [2018-10-27 04:46:55,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:55,813 INFO L93 Difference]: Finished difference Result 434 states and 492 transitions. [2018-10-27 04:46:55,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 04:46:55,814 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 19 [2018-10-27 04:46:55,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:55,816 INFO L225 Difference]: With dead ends: 434 [2018-10-27 04:46:55,816 INFO L226 Difference]: Without dead ends: 434 [2018-10-27 04:46:55,817 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-10-27 04:46:55,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2018-10-27 04:46:55,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 375. [2018-10-27 04:46:55,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2018-10-27 04:46:55,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 418 transitions. [2018-10-27 04:46:55,829 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 418 transitions. Word has length 19 [2018-10-27 04:46:55,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:55,829 INFO L481 AbstractCegarLoop]: Abstraction has 375 states and 418 transitions. [2018-10-27 04:46:55,829 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 04:46:55,829 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 418 transitions. [2018-10-27 04:46:55,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 04:46:55,830 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:55,830 INFO L375 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] [2018-10-27 04:46:55,831 INFO L424 AbstractCegarLoop]: === Iteration 9 === [containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:55,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:55,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1331331967, now seen corresponding path program 1 times [2018-10-27 04:46:55,831 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:55,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:55,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:55,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:55,840 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:55,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:56,021 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-27 04:46:56,071 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:56,071 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:56,071 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 04:46:56,072 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:56,072 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 04:46:56,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 04:46:56,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-10-27 04:46:56,072 INFO L87 Difference]: Start difference. First operand 375 states and 418 transitions. Second operand 8 states. [2018-10-27 04:46:56,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:56,926 INFO L93 Difference]: Finished difference Result 431 states and 489 transitions. [2018-10-27 04:46:56,927 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 04:46:56,927 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 22 [2018-10-27 04:46:56,927 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:56,929 INFO L225 Difference]: With dead ends: 431 [2018-10-27 04:46:56,929 INFO L226 Difference]: Without dead ends: 431 [2018-10-27 04:46:56,929 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-10-27 04:46:56,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-10-27 04:46:56,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 372. [2018-10-27 04:46:56,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 372 states. [2018-10-27 04:46:56,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 415 transitions. [2018-10-27 04:46:56,939 INFO L78 Accepts]: Start accepts. Automaton has 372 states and 415 transitions. Word has length 22 [2018-10-27 04:46:56,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:56,940 INFO L481 AbstractCegarLoop]: Abstraction has 372 states and 415 transitions. [2018-10-27 04:46:56,941 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 04:46:56,941 INFO L276 IsEmpty]: Start isEmpty. Operand 372 states and 415 transitions. [2018-10-27 04:46:56,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 04:46:56,941 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:56,941 INFO L375 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] [2018-10-27 04:46:56,942 INFO L424 AbstractCegarLoop]: === Iteration 10 === [containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:56,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:56,942 INFO L82 PathProgramCache]: Analyzing trace with hash 1331337989, now seen corresponding path program 1 times [2018-10-27 04:46:56,942 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:56,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:56,943 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:56,943 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:56,947 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:56,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:57,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:57,034 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:57,034 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:46:57,034 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:57,034 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 04:46:57,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 04:46:57,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:46:57,034 INFO L87 Difference]: Start difference. First operand 372 states and 415 transitions. Second operand 3 states. [2018-10-27 04:46:57,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:57,043 INFO L93 Difference]: Finished difference Result 373 states and 416 transitions. [2018-10-27 04:46:57,048 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 04:46:57,048 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-10-27 04:46:57,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:57,050 INFO L225 Difference]: With dead ends: 373 [2018-10-27 04:46:57,050 INFO L226 Difference]: Without dead ends: 373 [2018-10-27 04:46:57,050 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:46:57,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2018-10-27 04:46:57,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 373. [2018-10-27 04:46:57,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 373 states. [2018-10-27 04:46:57,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 373 states to 373 states and 416 transitions. [2018-10-27 04:46:57,067 INFO L78 Accepts]: Start accepts. Automaton has 373 states and 416 transitions. Word has length 22 [2018-10-27 04:46:57,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:57,068 INFO L481 AbstractCegarLoop]: Abstraction has 373 states and 416 transitions. [2018-10-27 04:46:57,068 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 04:46:57,068 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 416 transitions. [2018-10-27 04:46:57,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-27 04:46:57,068 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:57,068 INFO L375 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] [2018-10-27 04:46:57,073 INFO L424 AbstractCegarLoop]: === Iteration 11 === [containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:57,078 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:57,078 INFO L82 PathProgramCache]: Analyzing trace with hash -490216991, now seen corresponding path program 1 times [2018-10-27 04:46:57,078 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:57,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:57,079 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:57,079 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:57,079 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:57,352 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:57,353 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:57,353 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:46:57,353 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:57,353 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:46:57,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:46:57,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:46:57,354 INFO L87 Difference]: Start difference. First operand 373 states and 416 transitions. Second operand 5 states. [2018-10-27 04:46:58,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:58,088 INFO L93 Difference]: Finished difference Result 370 states and 413 transitions. [2018-10-27 04:46:58,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:46:58,089 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-10-27 04:46:58,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:58,090 INFO L225 Difference]: With dead ends: 370 [2018-10-27 04:46:58,090 INFO L226 Difference]: Without dead ends: 370 [2018-10-27 04:46:58,090 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-27 04:46:58,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2018-10-27 04:46:58,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 370. [2018-10-27 04:46:58,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2018-10-27 04:46:58,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 413 transitions. [2018-10-27 04:46:58,096 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 413 transitions. Word has length 24 [2018-10-27 04:46:58,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:58,096 INFO L481 AbstractCegarLoop]: Abstraction has 370 states and 413 transitions. [2018-10-27 04:46:58,096 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:46:58,096 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 413 transitions. [2018-10-27 04:46:58,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-27 04:46:58,096 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:58,097 INFO L375 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] [2018-10-27 04:46:58,097 INFO L424 AbstractCegarLoop]: === Iteration 12 === [containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:58,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:58,098 INFO L82 PathProgramCache]: Analyzing trace with hash -483906393, now seen corresponding path program 1 times [2018-10-27 04:46:58,098 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:58,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:58,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:58,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:58,099 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:58,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:58,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:58,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:58,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 04:46:58,513 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:58,513 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 04:46:58,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 04:46:58,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:46:58,514 INFO L87 Difference]: Start difference. First operand 370 states and 413 transitions. Second operand 6 states. [2018-10-27 04:46:58,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:58,949 INFO L93 Difference]: Finished difference Result 366 states and 409 transitions. [2018-10-27 04:46:58,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:46:58,950 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-10-27 04:46:58,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:58,951 INFO L225 Difference]: With dead ends: 366 [2018-10-27 04:46:58,951 INFO L226 Difference]: Without dead ends: 366 [2018-10-27 04:46:58,952 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-27 04:46:58,952 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-10-27 04:46:58,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2018-10-27 04:46:58,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2018-10-27 04:46:58,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 409 transitions. [2018-10-27 04:46:58,960 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 409 transitions. Word has length 24 [2018-10-27 04:46:58,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:58,960 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 409 transitions. [2018-10-27 04:46:58,960 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 04:46:58,960 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 409 transitions. [2018-10-27 04:46:58,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-27 04:46:58,961 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:58,961 INFO L375 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] [2018-10-27 04:46:58,961 INFO L424 AbstractCegarLoop]: === Iteration 13 === [containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:58,962 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:58,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1983142996, now seen corresponding path program 1 times [2018-10-27 04:46:58,962 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:58,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:58,963 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:58,963 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:58,963 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:58,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:59,269 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:59,270 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:59,270 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 04:46:59,270 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:59,270 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 04:46:59,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 04:46:59,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-10-27 04:46:59,271 INFO L87 Difference]: Start difference. First operand 366 states and 409 transitions. Second operand 8 states. [2018-10-27 04:46:59,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:59,635 INFO L93 Difference]: Finished difference Result 366 states and 409 transitions. [2018-10-27 04:46:59,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 04:46:59,636 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-10-27 04:46:59,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:59,637 INFO L225 Difference]: With dead ends: 366 [2018-10-27 04:46:59,637 INFO L226 Difference]: Without dead ends: 366 [2018-10-27 04:46:59,638 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2018-10-27 04:46:59,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-10-27 04:46:59,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 364. [2018-10-27 04:46:59,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2018-10-27 04:46:59,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 407 transitions. [2018-10-27 04:46:59,644 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 407 transitions. Word has length 25 [2018-10-27 04:46:59,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:59,644 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 407 transitions. [2018-10-27 04:46:59,644 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 04:46:59,644 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 407 transitions. [2018-10-27 04:46:59,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-27 04:46:59,645 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:59,645 INFO L375 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] [2018-10-27 04:46:59,646 INFO L424 AbstractCegarLoop]: === Iteration 14 === [containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:59,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:59,646 INFO L82 PathProgramCache]: Analyzing trace with hash -2116195741, now seen corresponding path program 1 times [2018-10-27 04:46:59,646 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:59,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:59,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:59,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:59,647 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:46:59,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:46:59,776 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:46:59,776 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:46:59,776 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:46:59,776 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:46:59,776 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:46:59,776 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:46:59,776 INFO L87 Difference]: Start difference. First operand 364 states and 407 transitions. Second operand 4 states. [2018-10-27 04:46:59,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:46:59,959 INFO L93 Difference]: Finished difference Result 362 states and 405 transitions. [2018-10-27 04:46:59,959 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:46:59,960 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-10-27 04:46:59,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:46:59,961 INFO L225 Difference]: With dead ends: 362 [2018-10-27 04:46:59,961 INFO L226 Difference]: Without dead ends: 362 [2018-10-27 04:46:59,961 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:46:59,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2018-10-27 04:46:59,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 362. [2018-10-27 04:46:59,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2018-10-27 04:46:59,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 405 transitions. [2018-10-27 04:46:59,966 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 405 transitions. Word has length 25 [2018-10-27 04:46:59,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:46:59,967 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 405 transitions. [2018-10-27 04:46:59,967 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:46:59,967 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 405 transitions. [2018-10-27 04:46:59,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-27 04:46:59,967 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:46:59,967 INFO L375 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] [2018-10-27 04:46:59,968 INFO L424 AbstractCegarLoop]: === Iteration 15 === [containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:46:59,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:46:59,968 INFO L82 PathProgramCache]: Analyzing trace with hash -1165043146, now seen corresponding path program 1 times [2018-10-27 04:46:59,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:46:59,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:59,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:46:59,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:46:59,969 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:46:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:00,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:00,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:00,184 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 04:47:00,184 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:00,185 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 04:47:00,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 04:47:00,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-10-27 04:47:00,185 INFO L87 Difference]: Start difference. First operand 362 states and 405 transitions. Second operand 8 states. [2018-10-27 04:47:00,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:00,479 INFO L93 Difference]: Finished difference Result 364 states and 421 transitions. [2018-10-27 04:47:00,479 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 04:47:00,479 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-10-27 04:47:00,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:00,481 INFO L225 Difference]: With dead ends: 364 [2018-10-27 04:47:00,481 INFO L226 Difference]: Without dead ends: 364 [2018-10-27 04:47:00,481 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2018-10-27 04:47:00,482 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-10-27 04:47:00,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2018-10-27 04:47:00,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-10-27 04:47:00,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 403 transitions. [2018-10-27 04:47:00,491 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 403 transitions. Word has length 27 [2018-10-27 04:47:00,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:00,491 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 403 transitions. [2018-10-27 04:47:00,491 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 04:47:00,491 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 403 transitions. [2018-10-27 04:47:00,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-27 04:47:00,492 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:00,492 INFO L375 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] [2018-10-27 04:47:00,492 INFO L424 AbstractCegarLoop]: === Iteration 16 === [containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:00,493 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:00,493 INFO L82 PathProgramCache]: Analyzing trace with hash -2144558299, now seen corresponding path program 1 times [2018-10-27 04:47:00,493 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:00,493 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:00,493 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:00,494 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:00,494 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:00,733 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:00,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:00,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:00,733 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:00,734 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:00,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:00,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:00,734 INFO L87 Difference]: Start difference. First operand 360 states and 403 transitions. Second operand 4 states. [2018-10-27 04:47:00,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:00,932 INFO L93 Difference]: Finished difference Result 360 states and 417 transitions. [2018-10-27 04:47:00,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:00,933 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-10-27 04:47:00,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:00,935 INFO L225 Difference]: With dead ends: 360 [2018-10-27 04:47:00,935 INFO L226 Difference]: Without dead ends: 360 [2018-10-27 04:47:00,935 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:00,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2018-10-27 04:47:00,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 358. [2018-10-27 04:47:00,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2018-10-27 04:47:00,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 401 transitions. [2018-10-27 04:47:00,948 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 401 transitions. Word has length 27 [2018-10-27 04:47:00,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:00,948 INFO L481 AbstractCegarLoop]: Abstraction has 358 states and 401 transitions. [2018-10-27 04:47:00,948 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:00,948 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 401 transitions. [2018-10-27 04:47:00,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-27 04:47:00,949 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:00,949 INFO L375 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] [2018-10-27 04:47:00,949 INFO L424 AbstractCegarLoop]: === Iteration 17 === [containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:00,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:00,950 INFO L82 PathProgramCache]: Analyzing trace with hash -897201363, now seen corresponding path program 1 times [2018-10-27 04:47:00,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:00,950 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:00,950 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:00,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:00,951 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:00,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:01,078 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:01,078 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:01,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-27 04:47:01,078 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:01,079 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 04:47:01,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 04:47:01,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-27 04:47:01,079 INFO L87 Difference]: Start difference. First operand 358 states and 401 transitions. Second operand 9 states. [2018-10-27 04:47:01,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:01,379 INFO L93 Difference]: Finished difference Result 377 states and 423 transitions. [2018-10-27 04:47:01,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-27 04:47:01,380 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-10-27 04:47:01,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:01,381 INFO L225 Difference]: With dead ends: 377 [2018-10-27 04:47:01,381 INFO L226 Difference]: Without dead ends: 377 [2018-10-27 04:47:01,381 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2018-10-27 04:47:01,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-10-27 04:47:01,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 368. [2018-10-27 04:47:01,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2018-10-27 04:47:01,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 413 transitions. [2018-10-27 04:47:01,391 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 413 transitions. Word has length 30 [2018-10-27 04:47:01,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:01,391 INFO L481 AbstractCegarLoop]: Abstraction has 368 states and 413 transitions. [2018-10-27 04:47:01,391 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 04:47:01,391 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 413 transitions. [2018-10-27 04:47:01,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-27 04:47:01,391 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:01,391 INFO L375 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] [2018-10-27 04:47:01,398 INFO L424 AbstractCegarLoop]: === Iteration 18 === [containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:01,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:01,399 INFO L82 PathProgramCache]: Analyzing trace with hash -1038322167, now seen corresponding path program 1 times [2018-10-27 04:47:01,399 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:01,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:01,408 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:01,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:01,408 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:01,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:01,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:01,622 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:01,622 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-27 04:47:01,623 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 04:47:01,623 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 04:47:01,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 04:47:01,623 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-27 04:47:01,623 INFO L87 Difference]: Start difference. First operand 368 states and 413 transitions. Second operand 9 states. [2018-10-27 04:47:01,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:01,891 INFO L93 Difference]: Finished difference Result 373 states and 418 transitions. [2018-10-27 04:47:01,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 04:47:01,892 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-10-27 04:47:01,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:01,893 INFO L225 Difference]: With dead ends: 373 [2018-10-27 04:47:01,893 INFO L226 Difference]: Without dead ends: 373 [2018-10-27 04:47:01,893 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-10-27 04:47:01,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2018-10-27 04:47:01,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 371. [2018-10-27 04:47:01,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 371 states. [2018-10-27 04:47:01,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 371 states and 416 transitions. [2018-10-27 04:47:01,900 INFO L78 Accepts]: Start accepts. Automaton has 371 states and 416 transitions. Word has length 32 [2018-10-27 04:47:01,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:01,901 INFO L481 AbstractCegarLoop]: Abstraction has 371 states and 416 transitions. [2018-10-27 04:47:01,901 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 04:47:01,901 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 416 transitions. [2018-10-27 04:47:01,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-10-27 04:47:01,902 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:01,902 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:01,903 INFO L424 AbstractCegarLoop]: === Iteration 19 === [containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:01,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:01,903 INFO L82 PathProgramCache]: Analyzing trace with hash 491786038, now seen corresponding path program 1 times [2018-10-27 04:47:01,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 04:47:01,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:01,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:01,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 04:47:01,913 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 04:47:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:02,148 WARN L179 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-10-27 04:47:02,547 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:02,548 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:47:02,548 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-10-27 04:47:02,548 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 53 with the following transitions: [2018-10-27 04:47:02,550 INFO L202 CegarAbsIntRunner]: [0], [1], [247], [249], [251], [253], [255], [259], [263], [267], [275], [278], [478], [480], [482], [484], [486], [489], [491], [493], [495], [499], [501], [503], [505], [507], [509], [511], [513], [515], [516], [518], [520], [522], [524], [526], [528], [530], [532], [533], [541], [542], [543], [544], [546], [547], [548] [2018-10-27 04:47:02,594 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-10-27 04:47:02,595 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-10-27 04:47:04,171 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-10-27 04:47:04,172 INFO L272 AbstractInterpreter]: Visited 47 different actions 80 times. Merged at 1 different actions 2 times. Never widened. Found 2 fixpoints after 1 different actions. Largest state had 58 variables. [2018-10-27 04:47:04,187 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:04,188 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-10-27 04:47:04,189 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:47:04,189 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 04:47:04,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:04,197 INFO L288 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-10-27 04:47:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:04,287 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:47:04,349 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-27 04:47:04,351 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:04,385 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-27 04:47:04,386 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:04,523 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:04,524 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:19, output treesize:14 [2018-10-27 04:47:05,036 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 04:47:05,697 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 04:47:05,699 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 04:47:05,699 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:05,702 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:05,712 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-27 04:47:05,712 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:49, output treesize:45 [2018-10-27 04:47:05,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 31 [2018-10-27 04:47:05,836 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2018-10-27 04:47:05,836 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:05,859 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 17 treesize of output 22 [2018-10-27 04:47:05,859 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-10-27 04:47:05,871 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:47:05,893 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 3 dim-0 vars, and 2 xjuncts. [2018-10-27 04:47:05,893 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 5 variables, input treesize:53, output treesize:76 [2018-10-27 04:47:06,003 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 66 treesize of output 71 [2018-10-27 04:47:06,007 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 67 treesize of output 66 [2018-10-27 04:47:06,007 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:06,047 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 49 treesize of output 48 [2018-10-27 04:47:06,048 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 2 xjuncts. [2018-10-27 04:47:06,074 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:47:06,109 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 33 [2018-10-27 04:47:06,111 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 04:47:06,112 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:06,119 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:06,169 INFO L267 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 2 dim-2 vars, End of recursive call: 4 dim-0 vars, and 3 xjuncts. [2018-10-27 04:47:06,169 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 9 variables, input treesize:103, output treesize:98 [2018-10-27 04:47:06,383 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 27 [2018-10-27 04:47:06,385 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2018-10-27 04:47:06,386 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:06,395 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:47:06,396 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:47:06,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 29 [2018-10-27 04:47:06,397 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:06,406 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 04:47:06,406 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 6 variables, input treesize:83, output treesize:34 [2018-10-27 04:47:06,510 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:47:06,511 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:47:06,513 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:47:06,514 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 50 [2018-10-27 04:47:06,514 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:06,525 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 04:47:06,526 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:45, output treesize:51 [2018-10-27 04:47:06,645 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2018-10-27 04:47:06,647 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 04:47:06,647 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:06,662 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:06,673 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 04:47:06,673 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:62, output treesize:51 [2018-10-27 04:47:06,747 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 38 [2018-10-27 04:47:06,750 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 04:47:06,750 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:06,756 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:06,768 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-27 04:47:06,769 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:60, output treesize:49 [2018-10-27 04:47:06,808 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2018-10-27 04:47:06,810 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:47:06,811 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2018-10-27 04:47:06,812 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:06,816 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:06,826 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-27 04:47:06,827 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:56, output treesize:28 [2018-10-27 04:47:06,885 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:06,885 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 04:47:07,846 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2018-10-27 04:47:07,992 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 82 treesize of output 60 [2018-10-27 04:47:08,007 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-10-27 04:47:08,008 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:08,021 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:47:08,022 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:47:08,071 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 72 [2018-10-27 04:47:08,175 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 64 [2018-10-27 04:47:08,178 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 50 [2018-10-27 04:47:08,194 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 22 [2018-10-27 04:47:08,194 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-10-27 04:47:08,208 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:47:08,255 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 40 treesize of output 48 [2018-10-27 04:47:08,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 47 [2018-10-27 04:47:08,264 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 2 xjuncts. [2018-10-27 04:47:08,306 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 64 [2018-10-27 04:47:08,307 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 8 xjuncts. [2018-10-27 04:47:08,370 INFO L267 ElimStorePlain]: Start of recursive call 7: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-10-27 04:47:08,436 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 37 [2018-10-27 04:47:08,438 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:47:08,439 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:47:08,439 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-10-27 04:47:08,440 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 04:47:08,452 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 8 [2018-10-27 04:47:08,453 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-10-27 04:47:08,460 INFO L267 ElimStorePlain]: Start of recursive call 10: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2018-10-27 04:47:08,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 35 [2018-10-27 04:47:08,465 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 1 [2018-10-27 04:47:08,466 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:08,474 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:47:08,475 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:47:08,476 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 20 [2018-10-27 04:47:08,477 INFO L267 ElimStorePlain]: Start of recursive call 15: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 04:47:08,486 INFO L267 ElimStorePlain]: Start of recursive call 13: 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 04:47:08,685 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2018-10-27 04:47:08,700 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 40 [2018-10-27 04:47:08,701 INFO L267 ElimStorePlain]: Start of recursive call 17: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-10-27 04:47:08,737 INFO L267 ElimStorePlain]: Start of recursive call 16: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-10-27 04:47:08,776 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2018-10-27 04:47:08,863 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:47:08,920 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:47:08,921 INFO L303 Elim1Store]: Index analysis took 143 ms [2018-10-27 04:47:09,099 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 38 [2018-10-27 04:47:09,101 INFO L267 ElimStorePlain]: Start of recursive call 19: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-10-27 04:47:09,126 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 3 xjuncts. [2018-10-27 04:47:09,131 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2018-10-27 04:47:09,248 INFO L303 Elim1Store]: Index analysis took 116 ms [2018-10-27 04:47:09,258 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 28 treesize of output 40 [2018-10-27 04:47:09,260 INFO L267 ElimStorePlain]: Start of recursive call 21: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-10-27 04:47:09,300 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 5 xjuncts. [2018-10-27 04:47:09,302 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 38 [2018-10-27 04:47:09,309 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:47:09,313 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:47:09,328 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 1 new quantified variables, introduced 5 case distinctions, treesize of input 34 treesize of output 64 [2018-10-27 04:47:09,334 INFO L267 ElimStorePlain]: Start of recursive call 23: 8 dim-0 vars, End of recursive call: 8 dim-0 vars, and 20 xjuncts. [2018-10-27 04:47:09,546 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: 8 dim-0 vars, and 13 xjuncts. [2018-10-27 04:47:09,549 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 34 [2018-10-27 04:47:09,556 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 22 treesize of output 22 [2018-10-27 04:47:09,557 INFO L267 ElimStorePlain]: Start of recursive call 25: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-27 04:47:09,566 INFO L267 ElimStorePlain]: Start of recursive call 24: 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-27 04:47:09,876 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 40 [2018-10-27 04:47:09,879 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:47:09,880 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:47:09,881 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 23 [2018-10-27 04:47:09,882 INFO L267 ElimStorePlain]: Start of recursive call 27: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 04:47:09,896 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:47:09,899 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:47:10,112 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 04:47:10,113 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_arrayElimCell_31 term size 40 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:383) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getTraceCheck(BaseTaipanRefinementStrategy.java:216) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 04:47:10,116 INFO L168 Benchmark]: Toolchain (without parser) took 24798.68 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 464.5 MB). Free memory was 951.8 MB in the beginning and 963.3 MB in the end (delta: -11.5 MB). Peak memory consumption was 453.0 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:10,117 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 04:47:10,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.98 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 927.6 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:10,117 INFO L168 Benchmark]: Boogie Procedure Inliner took 165.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 927.6 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:10,118 INFO L168 Benchmark]: Boogie Preprocessor took 90.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:10,118 INFO L168 Benchmark]: RCFGBuilder took 2369.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.8 MB). Peak memory consumption was 105.8 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:10,118 INFO L168 Benchmark]: TraceAbstraction took 21751.63 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 337.1 MB). Free memory was 1.0 GB in the beginning and 963.3 MB in the end (delta: 42.8 MB). Peak memory consumption was 379.9 MB. Max. memory is 11.5 GB. [2018-10-27 04:47:10,129 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 417.98 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 927.6 MB in the end (delta: 24.2 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 165.55 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 127.4 MB). Free memory was 927.6 MB in the beginning and 1.1 GB in the end (delta: -187.7 MB). Peak memory consumption was 19.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 90.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2369.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.8 MB). Peak memory consumption was 105.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21751.63 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 337.1 MB). Free memory was 1.0 GB in the beginning and 963.3 MB in the end (delta: 42.8 MB). Peak memory consumption was 379.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_arrayElimCell_31 term size 40 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_arrayElimCell_31 term size 40: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-1dbac8b [2018-10-27 04:47:12,054 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 04:47:12,056 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 04:47:12,065 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 04:47:12,065 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 04:47:12,066 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 04:47:12,066 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 04:47:12,068 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 04:47:12,069 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 04:47:12,070 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 04:47:12,070 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 04:47:12,071 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 04:47:12,071 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 04:47:12,072 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 04:47:12,073 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 04:47:12,074 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 04:47:12,074 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 04:47:12,076 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 04:47:12,078 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 04:47:12,079 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 04:47:12,080 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 04:47:12,081 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 04:47:12,083 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 04:47:12,083 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 04:47:12,083 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 04:47:12,084 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 04:47:12,085 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 04:47:12,086 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 04:47:12,086 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 04:47:12,087 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 04:47:12,088 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 04:47:12,088 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 04:47:12,088 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 04:47:12,089 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 04:47:12,089 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 04:47:12,090 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 04:47:12,090 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2018-10-27 04:47:12,102 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 04:47:12,102 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 04:47:12,102 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 04:47:12,103 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 04:47:12,103 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 04:47:12,103 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 04:47:12,103 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 04:47:12,103 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 04:47:12,104 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 04:47:12,105 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 04:47:12,105 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 04:47:12,105 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 04:47:12,105 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 04:47:12,105 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 04:47:12,105 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 04:47:12,105 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 04:47:12,106 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-10-27 04:47:12,106 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-10-27 04:47:12,106 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-10-27 04:47:12,106 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 04:47:12,106 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-10-27 04:47:12,106 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-10-27 04:47:12,106 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 04:47:12,106 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 04:47:12,107 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 04:47:12,107 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 04:47:12,107 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 04:47:12,107 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 04:47:12,107 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 04:47:12,110 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 04:47:12,110 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-10-27 04:47:12,110 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 04:47:12,110 INFO L133 SettingsManager]: * Command for external solver=cvc4nyu --tear-down-incremental --rewrite-divk --print-success --lang smt [2018-10-27 04:47:12,111 INFO L133 SettingsManager]: * Logic for external solver=AUFBV Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/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 -> 7bf1aafbc1548e76c7d5b18b2b6c35fe6068ce88 [2018-10-27 04:47:12,169 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 04:47:12,179 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 04:47:12,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 04:47:12,183 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 04:47:12,184 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 04:47:12,184 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/../../sv-benchmarks/c/memsafety-ext2/split_list_test05_true-valid-memsafety.i [2018-10-27 04:47:12,230 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/data/25eca05b3/102eb8b7f69f46fa87112319defadbe5/FLAGb9a17965f [2018-10-27 04:47:12,707 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 04:47:12,711 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/sv-benchmarks/c/memsafety-ext2/split_list_test05_true-valid-memsafety.i [2018-10-27 04:47:12,725 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/data/25eca05b3/102eb8b7f69f46fa87112319defadbe5/FLAGb9a17965f [2018-10-27 04:47:12,742 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/data/25eca05b3/102eb8b7f69f46fa87112319defadbe5 [2018-10-27 04:47:12,745 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 04:47:12,747 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 04:47:12,748 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 04:47:12,748 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 04:47:12,754 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 04:47:12,755 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:47:12" (1/1) ... [2018-10-27 04:47:12,757 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@474fd4db and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:12, skipping insertion in model container [2018-10-27 04:47:12,758 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 04:47:12" (1/1) ... [2018-10-27 04:47:12,767 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 04:47:12,807 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 04:47:13,151 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:47:13,167 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 04:47:13,230 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 04:47:13,274 INFO L193 MainTranslator]: Completed translation [2018-10-27 04:47:13,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:13 WrapperNode [2018-10-27 04:47:13,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 04:47:13,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 04:47:13,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 04:47:13,276 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 04:47:13,284 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:13" (1/1) ... [2018-10-27 04:47:13,302 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:13" (1/1) ... [2018-10-27 04:47:13,350 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 04:47:13,350 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 04:47:13,351 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 04:47:13,351 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 04:47:13,449 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:13" (1/1) ... [2018-10-27 04:47:13,449 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:13" (1/1) ... [2018-10-27 04:47:13,463 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:13" (1/1) ... [2018-10-27 04:47:13,476 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:13" (1/1) ... [2018-10-27 04:47:13,511 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:13" (1/1) ... [2018-10-27 04:47:13,533 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:13" (1/1) ... [2018-10-27 04:47:13,537 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:13" (1/1) ... [2018-10-27 04:47:13,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 04:47:13,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 04:47:13,551 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 04:47:13,552 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 04:47:13,552 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/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 [2018-10-27 04:47:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure containsBody [2018-10-27 04:47:13,603 INFO L138 BoogieDeclarations]: Found implementation of procedure containsBody [2018-10-27 04:47:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 04:47:13,603 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 04:47:13,603 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 04:47:13,603 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 04:47:13,604 INFO L130 BoogieDeclarations]: Found specification of procedure containsHead [2018-10-27 04:47:13,604 INFO L138 BoogieDeclarations]: Found implementation of procedure containsHead [2018-10-27 04:47:13,604 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 04:47:13,604 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 04:47:13,604 INFO L130 BoogieDeclarations]: Found specification of procedure append [2018-10-27 04:47:13,604 INFO L138 BoogieDeclarations]: Found implementation of procedure append [2018-10-27 04:47:16,347 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 04:47:16,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:47:16 BoogieIcfgContainer [2018-10-27 04:47:16,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 04:47:16,349 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 04:47:16,349 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 04:47:16,352 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 04:47:16,353 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 04:47:12" (1/3) ... [2018-10-27 04:47:16,354 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e46dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:47:16, skipping insertion in model container [2018-10-27 04:47:16,355 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 04:47:13" (2/3) ... [2018-10-27 04:47:16,356 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40e46dbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 04:47:16, skipping insertion in model container [2018-10-27 04:47:16,356 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 04:47:16" (3/3) ... [2018-10-27 04:47:16,358 INFO L112 eAbstractionObserver]: Analyzing ICFG split_list_test05_true-valid-memsafety.i [2018-10-27 04:47:16,372 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 04:47:16,386 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 141 error locations. [2018-10-27 04:47:16,401 INFO L257 AbstractCegarLoop]: Starting to check reachability of 141 error locations. [2018-10-27 04:47:16,432 INFO L135 ementStrategyFactory]: Using default assertion order modulation [2018-10-27 04:47:16,432 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 04:47:16,432 INFO L383 AbstractCegarLoop]: Hoare is false [2018-10-27 04:47:16,433 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 04:47:16,433 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 04:47:16,434 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 04:47:16,434 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 04:47:16,434 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 04:47:16,434 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 04:47:16,467 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states. [2018-10-27 04:47:16,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-10-27 04:47:16,477 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:16,478 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:16,482 INFO L424 AbstractCegarLoop]: === Iteration 1 === [containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:16,495 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:16,495 INFO L82 PathProgramCache]: Analyzing trace with hash 1608394139, now seen corresponding path program 1 times [2018-10-27 04:47:16,500 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:47:16,501 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/cvc4nyu Starting monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 04:47:16,520 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:16,561 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:47:16,619 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-27 04:47:16,621 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:16,633 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:16,633 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-10-27 04:47:16,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:16,657 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:47:16,660 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:16,660 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 04:47:16,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 04:47:16,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 04:47:16,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:47:16,674 INFO L87 Difference]: Start difference. First operand 366 states. Second operand 3 states. [2018-10-27 04:47:17,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:17,817 INFO L93 Difference]: Finished difference Result 369 states and 407 transitions. [2018-10-27 04:47:17,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 04:47:17,819 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-10-27 04:47:17,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:17,832 INFO L225 Difference]: With dead ends: 369 [2018-10-27 04:47:17,832 INFO L226 Difference]: Without dead ends: 366 [2018-10-27 04:47:17,833 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:47:17,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-10-27 04:47:17,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 362. [2018-10-27 04:47:17,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 362 states. [2018-10-27 04:47:17,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 398 transitions. [2018-10-27 04:47:17,888 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 398 transitions. Word has length 7 [2018-10-27 04:47:17,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:17,888 INFO L481 AbstractCegarLoop]: Abstraction has 362 states and 398 transitions. [2018-10-27 04:47:17,889 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 04:47:17,889 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 398 transitions. [2018-10-27 04:47:17,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 04:47:17,889 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:17,889 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:17,892 INFO L424 AbstractCegarLoop]: === Iteration 2 === [containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:17,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:17,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1679388962, now seen corresponding path program 1 times [2018-10-27 04:47:17,892 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:47:17,893 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 04:47:17,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:17,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:17,941 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:47:17,960 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-27 04:47:17,961 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:18,054 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:18,055 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-10-27 04:47:18,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:18,086 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:47:18,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:18,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 04:47:18,093 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 04:47:18,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 04:47:18,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:47:18,094 INFO L87 Difference]: Start difference. First operand 362 states and 398 transitions. Second operand 3 states. [2018-10-27 04:47:18,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:18,862 INFO L93 Difference]: Finished difference Result 361 states and 397 transitions. [2018-10-27 04:47:18,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 04:47:18,863 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-10-27 04:47:18,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:18,865 INFO L225 Difference]: With dead ends: 361 [2018-10-27 04:47:18,865 INFO L226 Difference]: Without dead ends: 361 [2018-10-27 04:47:18,866 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:47:18,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2018-10-27 04:47:18,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 361. [2018-10-27 04:47:18,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-10-27 04:47:18,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 397 transitions. [2018-10-27 04:47:18,885 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 397 transitions. Word has length 8 [2018-10-27 04:47:18,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:18,886 INFO L481 AbstractCegarLoop]: Abstraction has 361 states and 397 transitions. [2018-10-27 04:47:18,886 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 04:47:18,886 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 397 transitions. [2018-10-27 04:47:18,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-27 04:47:18,887 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:18,887 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:18,890 INFO L424 AbstractCegarLoop]: === Iteration 3 === [containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:18,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:18,891 INFO L82 PathProgramCache]: Analyzing trace with hash -521449987, now seen corresponding path program 1 times [2018-10-27 04:47:18,891 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:47:18,892 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/cvc4nyu Starting monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 04:47:18,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:18,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:18,946 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:47:18,968 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-27 04:47:18,969 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:18,982 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:18,982 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-10-27 04:47:19,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:19,014 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:47:19,016 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:19,016 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:19,016 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:19,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:19,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:19,017 INFO L87 Difference]: Start difference. First operand 361 states and 397 transitions. Second operand 5 states. [2018-10-27 04:47:20,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:20,184 INFO L93 Difference]: Finished difference Result 364 states and 402 transitions. [2018-10-27 04:47:20,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 04:47:20,188 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 9 [2018-10-27 04:47:20,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:20,190 INFO L225 Difference]: With dead ends: 364 [2018-10-27 04:47:20,190 INFO L226 Difference]: Without dead ends: 364 [2018-10-27 04:47:20,190 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:20,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2018-10-27 04:47:20,202 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 360. [2018-10-27 04:47:20,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 360 states. [2018-10-27 04:47:20,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 396 transitions. [2018-10-27 04:47:20,205 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 396 transitions. Word has length 9 [2018-10-27 04:47:20,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:20,206 INFO L481 AbstractCegarLoop]: Abstraction has 360 states and 396 transitions. [2018-10-27 04:47:20,206 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:20,206 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 396 transitions. [2018-10-27 04:47:20,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 04:47:20,206 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:20,206 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:20,210 INFO L424 AbstractCegarLoop]: === Iteration 4 === [containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:20,211 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:20,211 INFO L82 PathProgramCache]: Analyzing trace with hash 1014919872, now seen corresponding path program 1 times [2018-10-27 04:47:20,211 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:47:20,211 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/cvc4nyu Starting monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 04:47:20,235 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:20,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:20,270 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:47:20,275 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-27 04:47:20,276 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:20,290 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:20,290 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-10-27 04:47:20,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:20,305 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:47:20,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:20,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:20,313 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:20,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:20,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:20,313 INFO L87 Difference]: Start difference. First operand 360 states and 396 transitions. Second operand 4 states. [2018-10-27 04:47:21,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:21,080 INFO L93 Difference]: Finished difference Result 363 states and 401 transitions. [2018-10-27 04:47:21,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:21,081 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 10 [2018-10-27 04:47:21,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:21,082 INFO L225 Difference]: With dead ends: 363 [2018-10-27 04:47:21,082 INFO L226 Difference]: Without dead ends: 363 [2018-10-27 04:47:21,083 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:21,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-10-27 04:47:21,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 359. [2018-10-27 04:47:21,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-10-27 04:47:21,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 395 transitions. [2018-10-27 04:47:21,093 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 395 transitions. Word has length 10 [2018-10-27 04:47:21,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:21,094 INFO L481 AbstractCegarLoop]: Abstraction has 359 states and 395 transitions. [2018-10-27 04:47:21,094 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:21,094 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 395 transitions. [2018-10-27 04:47:21,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-27 04:47:21,094 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:21,094 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:21,097 INFO L424 AbstractCegarLoop]: === Iteration 5 === [containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:21,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:21,098 INFO L82 PathProgramCache]: Analyzing trace with hash -1763281544, now seen corresponding path program 1 times [2018-10-27 04:47:21,098 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:47:21,098 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/cvc4nyu Starting monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 04:47:21,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:21,163 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:47:21,180 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-27 04:47:21,181 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:21,183 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:21,183 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-10-27 04:47:21,221 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:21,221 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:47:21,225 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:21,225 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 04:47:21,225 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 04:47:21,226 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 04:47:21,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:47:21,226 INFO L87 Difference]: Start difference. First operand 359 states and 395 transitions. Second operand 3 states. [2018-10-27 04:47:21,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:21,814 INFO L93 Difference]: Finished difference Result 358 states and 394 transitions. [2018-10-27 04:47:21,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 04:47:21,814 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 16 [2018-10-27 04:47:21,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:21,815 INFO L225 Difference]: With dead ends: 358 [2018-10-27 04:47:21,815 INFO L226 Difference]: Without dead ends: 358 [2018-10-27 04:47:21,816 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:47:21,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 358 states. [2018-10-27 04:47:21,820 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 358 to 358. [2018-10-27 04:47:21,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 358 states. [2018-10-27 04:47:21,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 358 states and 394 transitions. [2018-10-27 04:47:21,822 INFO L78 Accepts]: Start accepts. Automaton has 358 states and 394 transitions. Word has length 16 [2018-10-27 04:47:21,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:21,823 INFO L481 AbstractCegarLoop]: Abstraction has 358 states and 394 transitions. [2018-10-27 04:47:21,823 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 04:47:21,823 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 394 transitions. [2018-10-27 04:47:21,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-27 04:47:21,823 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:21,825 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:21,826 INFO L424 AbstractCegarLoop]: === Iteration 6 === [containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:21,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:21,827 INFO L82 PathProgramCache]: Analyzing trace with hash 1172847491, now seen corresponding path program 1 times [2018-10-27 04:47:21,827 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:47:21,827 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/cvc4nyu Starting monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 04:47:21,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:21,909 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:47:21,936 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-27 04:47:21,936 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:21,944 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:21,944 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-10-27 04:47:21,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:21,951 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:47:21,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:21,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 04:47:21,952 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 04:47:21,953 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 04:47:21,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:47:21,953 INFO L87 Difference]: Start difference. First operand 358 states and 394 transitions. Second operand 3 states. [2018-10-27 04:47:22,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:22,743 INFO L93 Difference]: Finished difference Result 357 states and 393 transitions. [2018-10-27 04:47:22,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 04:47:22,744 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-10-27 04:47:22,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:22,746 INFO L225 Difference]: With dead ends: 357 [2018-10-27 04:47:22,746 INFO L226 Difference]: Without dead ends: 357 [2018-10-27 04:47:22,746 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:47:22,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-10-27 04:47:22,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357. [2018-10-27 04:47:22,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-10-27 04:47:22,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 393 transitions. [2018-10-27 04:47:22,758 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 393 transitions. Word has length 17 [2018-10-27 04:47:22,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:22,758 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 393 transitions. [2018-10-27 04:47:22,758 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 04:47:22,758 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 393 transitions. [2018-10-27 04:47:22,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-27 04:47:22,761 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:22,761 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:22,762 INFO L424 AbstractCegarLoop]: === Iteration 7 === [containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:22,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:22,762 INFO L82 PathProgramCache]: Analyzing trace with hash 1998534362, now seen corresponding path program 1 times [2018-10-27 04:47:22,763 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:47:22,763 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/cvc4nyu Starting monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 04:47:22,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:22,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:22,881 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:47:22,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-27 04:47:22,904 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:22,978 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:22,979 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-10-27 04:47:23,234 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 11 [2018-10-27 04:47:23,234 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:23,240 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 04:47:23,240 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:11 [2018-10-27 04:47:23,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:23,278 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:47:23,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:23,280 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 04:47:23,280 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 04:47:23,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 04:47:23,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-27 04:47:23,281 INFO L87 Difference]: Start difference. First operand 357 states and 393 transitions. Second operand 7 states. [2018-10-27 04:47:25,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:25,037 INFO L93 Difference]: Finished difference Result 410 states and 453 transitions. [2018-10-27 04:47:25,038 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 04:47:25,038 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 18 [2018-10-27 04:47:25,038 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:25,040 INFO L225 Difference]: With dead ends: 410 [2018-10-27 04:47:25,040 INFO L226 Difference]: Without dead ends: 410 [2018-10-27 04:47:25,040 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2018-10-27 04:47:25,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2018-10-27 04:47:25,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 369. [2018-10-27 04:47:25,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2018-10-27 04:47:25,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 413 transitions. [2018-10-27 04:47:25,052 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 413 transitions. Word has length 18 [2018-10-27 04:47:25,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:25,052 INFO L481 AbstractCegarLoop]: Abstraction has 369 states and 413 transitions. [2018-10-27 04:47:25,053 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 04:47:25,053 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 413 transitions. [2018-10-27 04:47:25,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 04:47:25,053 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:25,053 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:25,054 INFO L424 AbstractCegarLoop]: === Iteration 8 === [containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:25,054 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:25,054 INFO L82 PathProgramCache]: Analyzing trace with hash 1825023589, now seen corresponding path program 1 times [2018-10-27 04:47:25,055 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:47:25,055 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/cvc4nyu Starting monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 04:47:25,088 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:25,182 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:47:25,199 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-27 04:47:25,200 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:25,207 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-27 04:47:25,207 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:25,213 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:25,213 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-10-27 04:47:25,262 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:47:25,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-10-27 04:47:25,265 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:25,312 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:47:25,316 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:47:25,316 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-10-27 04:47:25,317 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:25,324 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:25,325 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:11 [2018-10-27 04:47:25,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:25,388 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:47:25,393 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:25,393 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 04:47:25,394 INFO L460 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-10-27 04:47:25,394 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-10-27 04:47:25,394 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-10-27 04:47:25,394 INFO L87 Difference]: Start difference. First operand 369 states and 413 transitions. Second operand 6 states. [2018-10-27 04:47:27,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:27,696 INFO L93 Difference]: Finished difference Result 427 states and 485 transitions. [2018-10-27 04:47:27,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-10-27 04:47:27,697 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 19 [2018-10-27 04:47:27,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:27,699 INFO L225 Difference]: With dead ends: 427 [2018-10-27 04:47:27,699 INFO L226 Difference]: Without dead ends: 427 [2018-10-27 04:47:27,700 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-10-27 04:47:27,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2018-10-27 04:47:27,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 368. [2018-10-27 04:47:27,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2018-10-27 04:47:27,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 411 transitions. [2018-10-27 04:47:27,711 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 411 transitions. Word has length 19 [2018-10-27 04:47:27,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:27,712 INFO L481 AbstractCegarLoop]: Abstraction has 368 states and 411 transitions. [2018-10-27 04:47:27,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-10-27 04:47:27,712 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 411 transitions. [2018-10-27 04:47:27,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 04:47:27,713 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:27,713 INFO L375 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] [2018-10-27 04:47:27,713 INFO L424 AbstractCegarLoop]: === Iteration 9 === [containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:27,714 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:27,714 INFO L82 PathProgramCache]: Analyzing trace with hash -712749697, now seen corresponding path program 1 times [2018-10-27 04:47:27,714 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:47:27,714 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/cvc4nyu Starting monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 04:47:27,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:27,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:27,839 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:47:27,848 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-27 04:47:27,848 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:27,855 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-27 04:47:27,855 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:27,860 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:27,861 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:16, output treesize:14 [2018-10-27 04:47:27,885 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:47:27,887 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 17 [2018-10-27 04:47:27,888 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:27,901 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:47:27,902 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:47:27,904 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 4 [2018-10-27 04:47:27,904 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:27,919 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:27,919 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:29, output treesize:11 [2018-10-27 04:47:27,962 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:27,962 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:47:27,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:27,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-10-27 04:47:27,966 INFO L460 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-10-27 04:47:27,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-10-27 04:47:27,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2018-10-27 04:47:27,966 INFO L87 Difference]: Start difference. First operand 368 states and 411 transitions. Second operand 7 states. [2018-10-27 04:47:30,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:30,050 INFO L93 Difference]: Finished difference Result 424 states and 482 transitions. [2018-10-27 04:47:30,051 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-10-27 04:47:30,051 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 22 [2018-10-27 04:47:30,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:30,054 INFO L225 Difference]: With dead ends: 424 [2018-10-27 04:47:30,054 INFO L226 Difference]: Without dead ends: 424 [2018-10-27 04:47:30,055 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-10-27 04:47:30,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 424 states. [2018-10-27 04:47:30,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 424 to 365. [2018-10-27 04:47:30,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 365 states. [2018-10-27 04:47:30,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 365 states and 408 transitions. [2018-10-27 04:47:30,081 INFO L78 Accepts]: Start accepts. Automaton has 365 states and 408 transitions. Word has length 22 [2018-10-27 04:47:30,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:30,081 INFO L481 AbstractCegarLoop]: Abstraction has 365 states and 408 transitions. [2018-10-27 04:47:30,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-10-27 04:47:30,081 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 408 transitions. [2018-10-27 04:47:30,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-27 04:47:30,082 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:30,082 INFO L375 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] [2018-10-27 04:47:30,082 INFO L424 AbstractCegarLoop]: === Iteration 10 === [containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:30,083 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:30,083 INFO L82 PathProgramCache]: Analyzing trace with hash -712743675, now seen corresponding path program 1 times [2018-10-27 04:47:30,083 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:47:30,083 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/cvc4nyu Starting monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 04:47:30,109 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:30,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:30,144 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:47:30,151 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:30,152 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:47:30,153 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:30,153 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:30,153 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 04:47:30,154 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 04:47:30,154 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:47:30,154 INFO L87 Difference]: Start difference. First operand 365 states and 408 transitions. Second operand 3 states. [2018-10-27 04:47:30,169 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:30,169 INFO L93 Difference]: Finished difference Result 366 states and 409 transitions. [2018-10-27 04:47:30,172 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 04:47:30,172 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-10-27 04:47:30,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:30,173 INFO L225 Difference]: With dead ends: 366 [2018-10-27 04:47:30,174 INFO L226 Difference]: Without dead ends: 366 [2018-10-27 04:47:30,174 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 04:47:30,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-10-27 04:47:30,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 366. [2018-10-27 04:47:30,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 366 states. [2018-10-27 04:47:30,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 409 transitions. [2018-10-27 04:47:30,183 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 409 transitions. Word has length 22 [2018-10-27 04:47:30,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:30,183 INFO L481 AbstractCegarLoop]: Abstraction has 366 states and 409 transitions. [2018-10-27 04:47:30,183 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 04:47:30,183 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 409 transitions. [2018-10-27 04:47:30,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-27 04:47:30,185 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:30,185 INFO L375 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] [2018-10-27 04:47:30,186 INFO L424 AbstractCegarLoop]: === Iteration 11 === [containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:30,186 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:30,186 INFO L82 PathProgramCache]: Analyzing trace with hash -2052641983, now seen corresponding path program 1 times [2018-10-27 04:47:30,186 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:47:30,186 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/cvc4nyu Starting monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 04:47:30,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:30,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:30,290 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:47:30,313 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:30,313 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:47:30,315 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:30,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-10-27 04:47:30,316 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 04:47:30,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 04:47:30,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:30,316 INFO L87 Difference]: Start difference. First operand 366 states and 409 transitions. Second operand 5 states. [2018-10-27 04:47:31,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:31,649 INFO L93 Difference]: Finished difference Result 363 states and 406 transitions. [2018-10-27 04:47:31,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 04:47:31,650 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2018-10-27 04:47:31,650 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:31,651 INFO L225 Difference]: With dead ends: 363 [2018-10-27 04:47:31,651 INFO L226 Difference]: Without dead ends: 363 [2018-10-27 04:47:31,652 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-10-27 04:47:31,652 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2018-10-27 04:47:31,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 363. [2018-10-27 04:47:31,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 363 states. [2018-10-27 04:47:31,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 406 transitions. [2018-10-27 04:47:31,659 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 406 transitions. Word has length 24 [2018-10-27 04:47:31,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:31,660 INFO L481 AbstractCegarLoop]: Abstraction has 363 states and 406 transitions. [2018-10-27 04:47:31,660 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 04:47:31,661 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 406 transitions. [2018-10-27 04:47:31,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-27 04:47:31,661 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:31,662 INFO L375 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] [2018-10-27 04:47:31,662 INFO L424 AbstractCegarLoop]: === Iteration 12 === [containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:31,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:31,662 INFO L82 PathProgramCache]: Analyzing trace with hash -2046331385, now seen corresponding path program 1 times [2018-10-27 04:47:31,663 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:47:31,663 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/cvc4nyu Starting monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 04:47:31,686 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:31,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:31,786 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:47:31,818 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-27 04:47:31,819 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:31,852 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:31,852 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-10-27 04:47:31,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:31,973 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:47:31,976 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:31,976 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:31,976 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:31,976 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:31,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:31,977 INFO L87 Difference]: Start difference. First operand 363 states and 406 transitions. Second operand 4 states. [2018-10-27 04:47:32,798 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:32,798 INFO L93 Difference]: Finished difference Result 359 states and 402 transitions. [2018-10-27 04:47:32,799 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:32,799 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-10-27 04:47:32,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:32,800 INFO L225 Difference]: With dead ends: 359 [2018-10-27 04:47:32,800 INFO L226 Difference]: Without dead ends: 359 [2018-10-27 04:47:32,800 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:32,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-10-27 04:47:32,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 359. [2018-10-27 04:47:32,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 359 states. [2018-10-27 04:47:32,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 359 states and 402 transitions. [2018-10-27 04:47:32,809 INFO L78 Accepts]: Start accepts. Automaton has 359 states and 402 transitions. Word has length 24 [2018-10-27 04:47:32,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:32,809 INFO L481 AbstractCegarLoop]: Abstraction has 359 states and 402 transitions. [2018-10-27 04:47:32,809 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:32,810 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 402 transitions. [2018-10-27 04:47:32,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-27 04:47:32,810 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:32,810 INFO L375 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] [2018-10-27 04:47:32,811 INFO L424 AbstractCegarLoop]: === Iteration 13 === [containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:32,811 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:32,811 INFO L82 PathProgramCache]: Analyzing trace with hash 792608495, now seen corresponding path program 1 times [2018-10-27 04:47:32,817 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:47:32,818 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/cvc4nyu Starting monitored process 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 04:47:32,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:32,954 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:47:33,029 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:33,029 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:47:33,031 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:33,031 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 04:47:33,031 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 04:47:33,032 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 04:47:33,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-10-27 04:47:33,032 INFO L87 Difference]: Start difference. First operand 359 states and 402 transitions. Second operand 8 states. [2018-10-27 04:47:34,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:34,300 INFO L93 Difference]: Finished difference Result 359 states and 402 transitions. [2018-10-27 04:47:34,300 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 04:47:34,301 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-10-27 04:47:34,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:34,302 INFO L225 Difference]: With dead ends: 359 [2018-10-27 04:47:34,302 INFO L226 Difference]: Without dead ends: 359 [2018-10-27 04:47:34,302 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2018-10-27 04:47:34,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2018-10-27 04:47:34,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 357. [2018-10-27 04:47:34,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2018-10-27 04:47:34,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 400 transitions. [2018-10-27 04:47:34,310 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 400 transitions. Word has length 25 [2018-10-27 04:47:34,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:34,311 INFO L481 AbstractCegarLoop]: Abstraction has 357 states and 400 transitions. [2018-10-27 04:47:34,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 04:47:34,311 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 400 transitions. [2018-10-27 04:47:34,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-27 04:47:34,313 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:34,313 INFO L375 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] [2018-10-27 04:47:34,313 INFO L424 AbstractCegarLoop]: === Iteration 14 === [containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:34,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:34,314 INFO L82 PathProgramCache]: Analyzing trace with hash 988237054, now seen corresponding path program 1 times [2018-10-27 04:47:34,314 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:47:34,314 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/cvc4nyu Starting monitored process 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 04:47:34,345 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:34,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:47:34,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-27 04:47:34,450 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:34,464 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:34,464 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-10-27 04:47:34,481 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:34,481 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:47:34,483 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:34,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:34,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:34,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:34,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:34,484 INFO L87 Difference]: Start difference. First operand 357 states and 400 transitions. Second operand 4 states. [2018-10-27 04:47:35,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:35,237 INFO L93 Difference]: Finished difference Result 355 states and 398 transitions. [2018-10-27 04:47:35,238 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:35,238 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 25 [2018-10-27 04:47:35,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:35,239 INFO L225 Difference]: With dead ends: 355 [2018-10-27 04:47:35,239 INFO L226 Difference]: Without dead ends: 355 [2018-10-27 04:47:35,240 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:35,240 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 355 states. [2018-10-27 04:47:35,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 355 to 355. [2018-10-27 04:47:35,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 355 states. [2018-10-27 04:47:35,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 398 transitions. [2018-10-27 04:47:35,248 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 398 transitions. Word has length 25 [2018-10-27 04:47:35,248 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:35,248 INFO L481 AbstractCegarLoop]: Abstraction has 355 states and 398 transitions. [2018-10-27 04:47:35,249 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:35,249 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 398 transitions. [2018-10-27 04:47:35,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-27 04:47:35,249 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:35,249 INFO L375 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] [2018-10-27 04:47:35,250 INFO L424 AbstractCegarLoop]: === Iteration 15 === [containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:35,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:35,250 INFO L82 PathProgramCache]: Analyzing trace with hash 1487569265, now seen corresponding path program 1 times [2018-10-27 04:47:35,250 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:47:35,251 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/cvc4nyu Starting monitored process 16 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 04:47:35,284 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:35,411 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:47:35,480 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:35,480 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:47:35,482 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:35,483 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-10-27 04:47:35,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-10-27 04:47:35,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-10-27 04:47:35,483 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-10-27 04:47:35,484 INFO L87 Difference]: Start difference. First operand 355 states and 398 transitions. Second operand 8 states. [2018-10-27 04:47:36,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:36,460 INFO L93 Difference]: Finished difference Result 357 states and 414 transitions. [2018-10-27 04:47:36,461 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-10-27 04:47:36,461 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 27 [2018-10-27 04:47:36,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:36,463 INFO L225 Difference]: With dead ends: 357 [2018-10-27 04:47:36,463 INFO L226 Difference]: Without dead ends: 357 [2018-10-27 04:47:36,463 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2018-10-27 04:47:36,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states. [2018-10-27 04:47:36,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 353. [2018-10-27 04:47:36,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 353 states. [2018-10-27 04:47:36,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 353 states to 353 states and 396 transitions. [2018-10-27 04:47:36,472 INFO L78 Accepts]: Start accepts. Automaton has 353 states and 396 transitions. Word has length 27 [2018-10-27 04:47:36,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:36,472 INFO L481 AbstractCegarLoop]: Abstraction has 353 states and 396 transitions. [2018-10-27 04:47:36,472 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-10-27 04:47:36,472 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 396 transitions. [2018-10-27 04:47:36,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-27 04:47:36,473 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:36,473 INFO L375 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] [2018-10-27 04:47:36,474 INFO L424 AbstractCegarLoop]: === Iteration 16 === [containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:36,474 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:36,474 INFO L82 PathProgramCache]: Analyzing trace with hash 508054112, now seen corresponding path program 1 times [2018-10-27 04:47:36,474 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:47:36,474 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/cvc4nyu Starting monitored process 17 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 04:47:36,515 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:36,613 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:47:36,622 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-27 04:47:36,622 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:36,626 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:36,627 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-10-27 04:47:36,790 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-27 04:47:36,792 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:36,793 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:47:36,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:36,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 04:47:36,796 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 04:47:36,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 04:47:36,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 04:47:36,797 INFO L87 Difference]: Start difference. First operand 353 states and 396 transitions. Second operand 4 states. [2018-10-27 04:47:37,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:37,520 INFO L93 Difference]: Finished difference Result 353 states and 410 transitions. [2018-10-27 04:47:37,521 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 04:47:37,521 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 27 [2018-10-27 04:47:37,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:37,522 INFO L225 Difference]: With dead ends: 353 [2018-10-27 04:47:37,522 INFO L226 Difference]: Without dead ends: 353 [2018-10-27 04:47:37,523 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-10-27 04:47:37,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 353 states. [2018-10-27 04:47:37,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 353 to 351. [2018-10-27 04:47:37,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 351 states. [2018-10-27 04:47:37,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 351 states and 394 transitions. [2018-10-27 04:47:37,531 INFO L78 Accepts]: Start accepts. Automaton has 351 states and 394 transitions. Word has length 27 [2018-10-27 04:47:37,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:37,531 INFO L481 AbstractCegarLoop]: Abstraction has 351 states and 394 transitions. [2018-10-27 04:47:37,531 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 04:47:37,531 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 394 transitions. [2018-10-27 04:47:37,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-27 04:47:37,533 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:37,533 INFO L375 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] [2018-10-27 04:47:37,534 INFO L424 AbstractCegarLoop]: === Iteration 17 === [containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:37,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:37,534 INFO L82 PathProgramCache]: Analyzing trace with hash -24149331, now seen corresponding path program 1 times [2018-10-27 04:47:37,535 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:47:37,535 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/cvc4nyu Starting monitored process 18 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 04:47:37,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:37,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:37,747 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:47:37,772 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 04:47:37,775 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 04:47:37,775 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:37,777 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:37,791 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 8 [2018-10-27 04:47:37,794 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 04:47:37,794 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:37,796 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:37,807 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:37,807 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:34, output treesize:26 [2018-10-27 04:47:37,836 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-10-27 04:47:37,840 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:47:37,842 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-10-27 04:47:37,843 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:37,851 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:37,870 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 16 [2018-10-27 04:47:37,873 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:47:37,875 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 23 [2018-10-27 04:47:37,875 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:37,883 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:37,895 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:37,895 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 4 variables, input treesize:44, output treesize:18 [2018-10-27 04:47:37,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:37,976 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:47:37,984 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:37,984 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-27 04:47:37,984 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 04:47:37,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 04:47:37,985 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2018-10-27 04:47:37,985 INFO L87 Difference]: Start difference. First operand 351 states and 394 transitions. Second operand 9 states. [2018-10-27 04:47:39,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:39,070 INFO L93 Difference]: Finished difference Result 370 states and 416 transitions. [2018-10-27 04:47:39,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-10-27 04:47:39,071 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 30 [2018-10-27 04:47:39,071 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:39,072 INFO L225 Difference]: With dead ends: 370 [2018-10-27 04:47:39,072 INFO L226 Difference]: Without dead ends: 370 [2018-10-27 04:47:39,072 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=44, Invalid=138, Unknown=0, NotChecked=0, Total=182 [2018-10-27 04:47:39,073 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 370 states. [2018-10-27 04:47:39,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 370 to 361. [2018-10-27 04:47:39,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 361 states. [2018-10-27 04:47:39,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 406 transitions. [2018-10-27 04:47:39,080 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 406 transitions. Word has length 30 [2018-10-27 04:47:39,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:39,081 INFO L481 AbstractCegarLoop]: Abstraction has 361 states and 406 transitions. [2018-10-27 04:47:39,081 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 04:47:39,081 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 406 transitions. [2018-10-27 04:47:39,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-10-27 04:47:39,081 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:39,081 INFO L375 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] [2018-10-27 04:47:39,082 INFO L424 AbstractCegarLoop]: === Iteration 18 === [containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:39,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:39,082 INFO L82 PathProgramCache]: Analyzing trace with hash 446057705, now seen corresponding path program 1 times [2018-10-27 04:47:39,083 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:47:39,083 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/cvc4nyu Starting monitored process 19 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 04:47:39,117 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:39,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:39,257 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:47:39,288 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-10-27 04:47:39,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-27 04:47:39,292 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:39,295 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:39,304 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-10-27 04:47:39,306 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-27 04:47:39,307 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:39,308 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:39,432 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:39,433 INFO L202 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:30, output treesize:22 [2018-10-27 04:47:39,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:39,562 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-10-27 04:47:39,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 04:47:39,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2018-10-27 04:47:39,565 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-10-27 04:47:39,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-10-27 04:47:39,565 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-10-27 04:47:39,565 INFO L87 Difference]: Start difference. First operand 361 states and 406 transitions. Second operand 9 states. [2018-10-27 04:47:40,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 04:47:40,247 INFO L93 Difference]: Finished difference Result 366 states and 411 transitions. [2018-10-27 04:47:40,248 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-27 04:47:40,248 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 32 [2018-10-27 04:47:40,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 04:47:40,249 INFO L225 Difference]: With dead ends: 366 [2018-10-27 04:47:40,249 INFO L226 Difference]: Without dead ends: 366 [2018-10-27 04:47:40,250 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2018-10-27 04:47:40,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2018-10-27 04:47:40,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 364. [2018-10-27 04:47:40,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2018-10-27 04:47:40,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 409 transitions. [2018-10-27 04:47:40,257 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 409 transitions. Word has length 32 [2018-10-27 04:47:40,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 04:47:40,258 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 409 transitions. [2018-10-27 04:47:40,258 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-10-27 04:47:40,258 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 409 transitions. [2018-10-27 04:47:40,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-10-27 04:47:40,259 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 04:47:40,259 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 04:47:40,260 INFO L424 AbstractCegarLoop]: === Iteration 19 === [containsHeadErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsHeadErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr36ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr27ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr39ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr38ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr40ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr28ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr41ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr35ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr31ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr33ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr37ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr26ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr29ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr30ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr34ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, containsBodyErr32ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr11ASSERT_VIOLATIONMEMORY_FREE, mainErr22ASSERT_VIOLATIONMEMORY_FREE, mainErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr18ASSERT_VIOLATIONMEMORY_FREE, mainErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr27ASSERT_VIOLATIONMEMORY_FREE, mainErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr14ASSERT_VIOLATIONMEMORY_FREE, mainErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr23ASSERT_VIOLATIONMEMORY_FREE, mainErr28ASSERT_VIOLATIONMEMORY_FREE, mainErr15ASSERT_VIOLATIONMEMORY_FREE, mainErr26ASSERT_VIOLATIONMEMORY_FREE, mainErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr19ASSERT_VIOLATIONMEMORY_FREE, mainErr10ASSERT_VIOLATIONMEMORY_FREE, mainErr30ENSURES_VIOLATIONMEMORY_LEAK, mainErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, mainErr29ASSERT_VIOLATIONMEMORY_FREE, mainErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr18ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr19ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr16ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr17ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr15ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr20ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr22ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr1ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr9ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr3ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr7ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr0ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr24ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr5ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr10ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr11ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr13ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr12ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr2ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr23ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr4ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr8ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr14ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr6ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr21ASSERT_VIOLATIONMEMORY_DEREFERENCE, appendErr25ASSERT_VIOLATIONMEMORY_DEREFERENCE]=== [2018-10-27 04:47:40,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 04:47:40,260 INFO L82 PathProgramCache]: Analyzing trace with hash -395546308, now seen corresponding path program 1 times [2018-10-27 04:47:40,260 INFO L225 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-10-27 04:47:40,261 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/cvc4nyu Starting monitored process 20 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk [2018-10-27 04:47:40,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:47:40,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:47:40,581 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:47:40,586 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-27 04:47:40,587 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:40,600 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:40,600 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:13, output treesize:12 [2018-10-27 04:47:40,726 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-10-27 04:47:40,728 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-27 04:47:40,728 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:40,732 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:40,743 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:40,743 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:35, output treesize:31 [2018-10-27 04:47:40,812 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 33 [2018-10-27 04:47:40,889 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 26 [2018-10-27 04:47:40,889 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-10-27 04:47:40,939 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-10-27 04:47:40,939 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:40,968 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:47:40,998 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:47:40,998 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:39, output treesize:51 [2018-10-27 04:47:41,205 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 59 [2018-10-27 04:47:41,260 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 42 treesize of output 41 [2018-10-27 04:47:41,261 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-10-27 04:47:41,343 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 44 [2018-10-27 04:47:41,343 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:41,385 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:47:41,460 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 20 [2018-10-27 04:47:41,462 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 04:47:41,463 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:41,469 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:41,522 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:47:41,523 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:78, output treesize:44 [2018-10-27 04:47:41,576 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:47:41,577 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:47:41,578 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 38 [2018-10-27 04:47:41,579 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:41,606 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:41,606 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:64, output treesize:32 [2018-10-27 04:47:41,740 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:47:41,746 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:47:41,747 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:47:41,748 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 56 [2018-10-27 04:47:41,748 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:41,781 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:41,781 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:45, output treesize:52 [2018-10-27 04:47:41,908 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 44 [2018-10-27 04:47:41,923 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 04:47:41,924 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:41,934 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:41,957 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:41,958 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:61, output treesize:50 [2018-10-27 04:47:42,069 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 40 [2018-10-27 04:47:42,072 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 04:47:42,072 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:42,083 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:42,099 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 04:47:42,099 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:59, output treesize:48 [2018-10-27 04:47:42,164 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-10-27 04:47:42,168 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 16 [2018-10-27 04:47:42,168 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:47:42,173 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:47:42,183 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-27 04:47:42,183 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:50, output treesize:31 [2018-10-27 04:47:42,239 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:47:42,239 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 04:47:48,911 WARN L179 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 24 [2018-10-27 04:47:59,033 WARN L179 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 27 [2018-10-27 04:48:05,596 WARN L179 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-10-27 04:48:05,787 WARN L179 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 51 [2018-10-27 04:48:06,088 WARN L179 SmtUtils]: Spent 298.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2018-10-27 04:48:06,367 WARN L179 SmtUtils]: Spent 278.00 ms on a formula simplification that was a NOOP. DAG size: 57 [2018-10-27 04:48:06,397 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 62 [2018-10-27 04:48:06,566 WARN L179 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2018-10-27 04:48:06,575 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-10-27 04:48:06,575 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:06,619 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:48:06,620 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:48:06,621 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 66 [2018-10-27 04:48:06,722 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-10-27 04:48:07,051 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 59 treesize of output 86 [2018-10-27 04:48:08,464 WARN L179 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 165 DAG size of output: 157 [2018-10-27 04:48:08,478 WARN L307 Elim1Store]: Array PQE input equivalent to true [2018-10-27 04:48:08,479 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:10,559 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 61 [2018-10-27 04:48:10,560 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:11,147 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 59 treesize of output 66 [2018-10-27 04:48:11,148 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 3 xjuncts. [2018-10-27 04:48:11,796 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:48:11,806 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:48:11,814 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:48:11,815 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 57 [2018-10-27 04:48:11,815 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:12,625 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:48:12,632 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:48:12,632 INFO L303 Elim1Store]: Index analysis took 102 ms [2018-10-27 04:48:12,661 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 52 treesize of output 66 [2018-10-27 04:48:12,662 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 3 xjuncts. [2018-10-27 04:48:13,225 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:48:13,233 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:48:13,267 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 48 treesize of output 62 [2018-10-27 04:48:13,268 INFO L267 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 3 xjuncts. [2018-10-27 04:48:13,858 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 51 [2018-10-27 04:48:13,859 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 2 xjuncts. [2018-10-27 04:48:13,984 INFO L267 ElimStorePlain]: Start of recursive call 5: 4 dim-0 vars, 7 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-27 04:48:14,288 INFO L477 Elim1Store]: Elim1 applied some preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 33 treesize of output 63 [2018-10-27 04:48:15,568 WARN L179 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 122 DAG size of output: 118 [2018-10-27 04:48:15,591 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:48:15,600 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:48:15,607 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:48:15,608 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 37 [2018-10-27 04:48:15,609 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:16,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 37 treesize of output 43 [2018-10-27 04:48:16,736 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 3 xjuncts. [2018-10-27 04:48:17,196 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 38 [2018-10-27 04:48:17,196 INFO L267 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:17,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 28 [2018-10-27 04:48:17,557 INFO L267 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 2 xjuncts. [2018-10-27 04:48:17,992 INFO L267 ElimStorePlain]: Start of recursive call 13: 4 dim-0 vars, 7 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-27 04:48:18,087 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 38 [2018-10-27 04:48:18,094 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:48:18,095 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 20 [2018-10-27 04:48:18,095 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:18,110 INFO L267 ElimStorePlain]: Start of recursive call 18: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:48:18,116 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2018-10-27 04:48:18,138 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 28 [2018-10-27 04:48:18,138 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 2 xjuncts. [2018-10-27 04:48:18,170 INFO L267 ElimStorePlain]: Start of recursive call 20: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:48:18,174 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 40 [2018-10-27 04:48:18,300 INFO L303 Elim1Store]: Index analysis took 124 ms [2018-10-27 04:48:18,388 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 28 [2018-10-27 04:48:18,389 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 2 xjuncts. [2018-10-27 04:48:18,536 INFO L267 ElimStorePlain]: Start of recursive call 22: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:48:18,617 INFO L267 ElimStorePlain]: Start of recursive call 4: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 3 xjuncts. [2018-10-27 04:48:18,664 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:48:18,709 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-2 vars, End of recursive call: 4 dim-0 vars, and 2 xjuncts. [2018-10-27 04:48:18,710 INFO L202 ElimStorePlain]: Needed 23 recursive calls to eliminate 11 variables, input treesize:115, output treesize:55 [2018-10-27 04:48:18,995 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-10-27 04:48:18,995 INFO L225 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f272060d-71bd-49ef-a0c7-67618ddf6c5f/bin-2019/utaipan/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 04:48:19,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 04:48:19,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 04:48:19,100 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-10-27 04:48:19,103 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2018-10-27 04:48:19,104 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:19,109 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:48:19,109 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-10-27 04:48:19,735 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 10 [2018-10-27 04:48:19,738 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2018-10-27 04:48:19,738 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:19,742 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:48:19,758 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:48:19,758 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:41, output treesize:37 [2018-10-27 04:48:19,898 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 21 treesize of output 33 [2018-10-27 04:48:19,956 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 26 [2018-10-27 04:48:19,957 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2018-10-27 04:48:20,023 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2018-10-27 04:48:20,024 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:20,057 INFO L267 ElimStorePlain]: Start of recursive call 2: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:48:20,101 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:48:20,101 INFO L202 ElimStorePlain]: Needed 4 recursive calls to eliminate 3 variables, input treesize:43, output treesize:59 [2018-10-27 04:48:20,268 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 26 [2018-10-27 04:48:20,271 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 04:48:20,271 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:20,283 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:48:20,358 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 60 treesize of output 65 [2018-10-27 04:48:20,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 60 [2018-10-27 04:48:20,364 INFO L267 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:20,472 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 45 treesize of output 41 [2018-10-27 04:48:20,473 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-10-27 04:48:20,518 INFO L267 ElimStorePlain]: Start of recursive call 4: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:48:20,575 INFO L267 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 2 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:48:20,575 INFO L202 ElimStorePlain]: Needed 6 recursive calls to eliminate 6 variables, input treesize:90, output treesize:56 [2018-10-27 04:48:20,692 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:48:20,693 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:48:20,694 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 39 [2018-10-27 04:48:20,694 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:20,719 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:48:20,719 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:76, output treesize:34 [2018-10-27 04:48:20,756 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:48:20,758 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:48:20,759 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:48:20,760 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 56 [2018-10-27 04:48:20,760 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:20,781 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:48:20,781 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:48, output treesize:55 [2018-10-27 04:48:21,144 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 44 [2018-10-27 04:48:21,148 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 04:48:21,149 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:21,162 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:48:21,188 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:48:21,188 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:61, output treesize:50 [2018-10-27 04:48:21,292 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 40 [2018-10-27 04:48:21,296 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-10-27 04:48:21,296 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:21,308 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:48:21,327 INFO L267 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-2 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2018-10-27 04:48:21,327 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:59, output treesize:48 [2018-10-27 04:48:21,331 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 27 [2018-10-27 04:48:21,334 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 16 [2018-10-27 04:48:21,334 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:21,340 INFO L267 ElimStorePlain]: Start of recursive call 2: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:48:21,353 INFO L267 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-2 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2018-10-27 04:48:21,353 INFO L202 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:50, output treesize:31 [2018-10-27 04:48:21,422 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 04:48:21,422 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-10-27 04:48:37,684 WARN L179 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 26 [2018-10-27 04:48:38,836 WARN L179 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 68 [2018-10-27 04:48:39,040 WARN L179 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2018-10-27 04:48:39,335 WARN L179 SmtUtils]: Spent 293.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2018-10-27 04:48:39,620 WARN L179 SmtUtils]: Spent 284.00 ms on a formula simplification that was a NOOP. DAG size: 58 [2018-10-27 04:48:39,869 WARN L179 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 53 [2018-10-27 04:48:39,880 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:48:39,885 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:48:39,889 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:48:39,890 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 107 treesize of output 172 [2018-10-27 04:48:39,891 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:40,029 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 96 [2018-10-27 04:48:40,255 WARN L179 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2018-10-27 04:48:40,262 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 10 [2018-10-27 04:48:40,263 INFO L267 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:40,320 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:48:40,332 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 77 [2018-10-27 04:48:40,523 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 31 [2018-10-27 04:48:40,598 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 22 treesize of output 32 [2018-10-27 04:48:40,598 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 2 xjuncts. [2018-10-27 04:48:40,690 INFO L700 Elim1Store]: detected not equals via solver [2018-10-27 04:48:40,697 INFO L682 Elim1Store]: detected equality via solver [2018-10-27 04:48:40,994 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 3 case distinctions, treesize of input 24 treesize of output 45 [2018-10-27 04:48:40,995 INFO L267 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 3 xjuncts. [2018-10-27 04:48:41,227 INFO L267 ElimStorePlain]: Start of recursive call 6: 2 dim-1 vars, End of recursive call: and 3 xjuncts. [2018-10-27 04:48:41,311 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 35 [2018-10-27 04:48:41,329 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 17 [2018-10-27 04:48:41,330 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 2 xjuncts. [2018-10-27 04:48:41,373 INFO L267 ElimStorePlain]: Start of recursive call 9: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:48:41,383 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 33 [2018-10-27 04:48:41,392 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2018-10-27 04:48:41,392 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:41,411 INFO L267 ElimStorePlain]: Start of recursive call 11: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:48:41,415 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 35 [2018-10-27 04:48:41,432 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 17 [2018-10-27 04:48:41,433 INFO L267 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 2 xjuncts. [2018-10-27 04:48:41,479 INFO L267 ElimStorePlain]: Start of recursive call 13: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:48:41,530 INFO L267 ElimStorePlain]: Start of recursive call 5: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:48:41,567 INFO L267 ElimStorePlain]: Start of recursive call 3: 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:48:41,625 INFO L267 ElimStorePlain]: Start of recursive call 1: 10 dim-0 vars, 1 dim-1 vars, 1 dim-2 vars, End of recursive call: and 1 xjuncts. [2018-10-27 04:48:41,625 INFO L202 ElimStorePlain]: Needed 14 recursive calls to eliminate 12 variables, input treesize:120, output treesize:13 [2018-10-27 04:48:47,108 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 59 [2018-10-27 04:48:47,190 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 9 treesize of output 8 [2018-10-27 04:48:47,191 INFO L267 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:47,573 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 7 case distinctions, treesize of input 89 treesize of output 111 [2018-10-27 04:48:51,080 WARN L179 SmtUtils]: Spent 3.50 s on a formula simplification. DAG size of input: 310 DAG size of output: 304 [2018-10-27 04:48:51,123 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 74 treesize of output 79 [2018-10-27 04:48:51,159 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 72 treesize of output 77 [2018-10-27 04:48:51,160 INFO L267 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 2 xjuncts. [2018-10-27 04:48:51,450 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 74 treesize of output 94 [2018-10-27 04:48:51,451 INFO L267 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 8 xjuncts. [2018-10-27 04:48:51,829 INFO L267 ElimStorePlain]: Start of recursive call 5: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-10-27 04:48:51,871 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 84 treesize of output 89 [2018-10-27 04:48:51,915 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 82 treesize of output 87 [2018-10-27 04:48:51,916 INFO L267 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 2 xjuncts. [2018-10-27 04:48:52,364 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 84 treesize of output 104 [2018-10-27 04:48:52,365 INFO L267 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 8 xjuncts. [2018-10-27 04:48:52,725 INFO L267 ElimStorePlain]: Start of recursive call 8: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-10-27 04:48:52,763 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 51 [2018-10-27 04:48:52,869 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 67 [2018-10-27 04:48:52,870 INFO L267 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 8 xjuncts. [2018-10-27 04:48:53,151 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 50 [2018-10-27 04:48:53,152 INFO L267 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 2 xjuncts. [2018-10-27 04:48:53,362 INFO L267 ElimStorePlain]: Start of recursive call 11: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-10-27 04:48:57,265 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 50 [2018-10-27 04:48:57,289 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 22 [2018-10-27 04:48:57,289 INFO L267 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 2 xjuncts. [2018-10-27 04:48:57,348 INFO L267 ElimStorePlain]: Start of recursive call 14: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:48:57,362 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 79 [2018-10-27 04:48:57,576 WARN L179 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2018-10-27 04:48:57,606 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 19 treesize of output 19 [2018-10-27 04:48:57,606 INFO L267 ElimStorePlain]: Start of recursive call 17: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-27 04:48:57,613 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 6 [2018-10-27 04:48:57,614 INFO L267 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2018-10-27 04:48:57,897 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 44 [2018-10-27 04:48:57,897 INFO L267 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 2 xjuncts. [2018-10-27 04:48:57,999 INFO L267 ElimStorePlain]: Start of recursive call 16: 2 dim-1 vars, End of recursive call: 2 dim-0 vars, and 6 xjuncts. [2018-10-27 04:49:01,995 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 4 case distinctions, treesize of input 77 treesize of output 96 [2018-10-27 04:49:03,064 WARN L179 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 134 DAG size of output: 131 [2018-10-27 04:49:03,110 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 77 treesize of output 82 [2018-10-27 04:49:03,110 INFO L267 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 2 xjuncts. [2018-10-27 04:49:03,152 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 71 treesize of output 76 [2018-10-27 04:49:03,153 INFO L267 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 2 xjuncts. [2018-10-27 04:49:04,491 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 73 treesize of output 93 [2018-10-27 04:49:04,492 INFO L267 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 8 xjuncts. [2018-10-27 04:49:04,591 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 79 treesize of output 99 [2018-10-27 04:49:04,592 INFO L267 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 8 xjuncts. [2018-10-27 04:49:06,671 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 63 [2018-10-27 04:49:06,672 INFO L267 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 2 xjuncts. [2018-10-27 04:49:06,810 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 73 treesize of output 85 [2018-10-27 04:49:06,813 INFO L267 ElimStorePlain]: Start of recursive call 26: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-10-27 04:49:06,949 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 67 [2018-10-27 04:49:06,950 INFO L267 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 2 xjuncts. [2018-10-27 04:49:07,043 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 89 [2018-10-27 04:49:07,045 INFO L267 ElimStorePlain]: Start of recursive call 28: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-10-27 04:49:14,264 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 71 treesize of output 65 [2018-10-27 04:49:14,264 INFO L267 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2018-10-27 04:49:14,326 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 77 treesize of output 77 [2018-10-27 04:49:14,328 INFO L267 ElimStorePlain]: Start of recursive call 30: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-27 04:49:19,420 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 67 treesize of output 87 [2018-10-27 04:49:19,422 INFO L267 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 8 xjuncts. [2018-10-27 04:49:19,535 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 69 treesize of output 89 [2018-10-27 04:49:19,536 INFO L267 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 8 xjuncts. [2018-10-27 04:49:19,635 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 65 treesize of output 85 [2018-10-27 04:49:19,637 INFO L267 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 8 xjuncts. [2018-10-27 04:49:24,516 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 92 [2018-10-27 04:49:24,518 INFO L267 ElimStorePlain]: Start of recursive call 34: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-10-27 04:49:24,557 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 67 [2018-10-27 04:49:24,557 INFO L267 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 2 xjuncts. [2018-10-27 04:49:24,585 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 71 [2018-10-27 04:49:24,586 INFO L267 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 2 xjuncts. [2018-10-27 04:49:24,616 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 71 treesize of output 67 [2018-10-27 04:49:24,617 INFO L267 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 2 xjuncts. [2018-10-27 04:49:24,747 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 81 treesize of output 93 [2018-10-27 04:49:24,750 INFO L267 ElimStorePlain]: Start of recursive call 38: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-10-27 04:49:24,843 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 77 treesize of output 89 [2018-10-27 04:49:24,845 INFO L267 ElimStorePlain]: Start of recursive call 39: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-10-27 04:49:24,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 92 [2018-10-27 04:49:24,931 INFO L267 ElimStorePlain]: Start of recursive call 40: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-10-27 04:49:48,389 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 59 [2018-10-27 04:49:48,389 INFO L267 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2018-10-27 04:49:48,468 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 75 treesize of output 75 [2018-10-27 04:49:48,469 INFO L267 ElimStorePlain]: Start of recursive call 42: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-27 04:50:02,706 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 65 treesize of output 70 [2018-10-27 04:50:02,706 INFO L267 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 2 xjuncts. [2018-10-27 04:50:02,744 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 59 treesize of output 64 [2018-10-27 04:50:02,744 INFO L267 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 2 xjuncts. [2018-10-27 04:50:02,778 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 67 treesize of output 72 [2018-10-27 04:50:02,778 INFO L267 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 2 xjuncts. [2018-10-27 04:50:14,675 INFO L267 ElimStorePlain]: Start of recursive call 20: 8 dim-1 vars, End of recursive call: 18 dim-0 vars, and 37 xjuncts. [2018-10-27 04:50:14,888 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2018-10-27 04:50:14,929 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 47 treesize of output 53 [2018-10-27 04:50:14,930 INFO L267 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 2 xjuncts. [2018-10-27 04:50:15,134 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 70 [2018-10-27 04:50:15,135 INFO L267 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 8 xjuncts. [2018-10-27 04:50:15,408 INFO L267 ElimStorePlain]: Start of recursive call 46: 2 dim-1 vars, End of recursive call: and 5 xjuncts. [2018-10-27 04:50:35,463 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 77 [2018-10-27 04:50:35,503 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 42 [2018-10-27 04:50:35,504 INFO L267 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 2 xjuncts. [2018-10-27 04:50:35,598 INFO L267 ElimStorePlain]: Start of recursive call 49: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:50:35,603 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 47 [2018-10-27 04:50:35,632 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 22 [2018-10-27 04:50:35,633 INFO L267 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 2 xjuncts. [2018-10-27 04:50:35,701 INFO L267 ElimStorePlain]: Start of recursive call 51: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2018-10-27 04:50:53,814 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 46 treesize of output 54 [2018-10-27 04:50:53,852 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 45 [2018-10-27 04:50:53,973 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 53 [2018-10-27 04:50:53,979 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 31 [2018-10-27 04:50:53,979 INFO L267 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2018-10-27 04:50:54,005 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 45 [2018-10-27 04:50:54,006 INFO L267 ElimStorePlain]: Start of recursive call 56: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-27 04:50:54,033 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 40 [2018-10-27 04:50:54,034 INFO L267 ElimStorePlain]: Start of recursive call 57: 1 dim-0 vars, End of recursive call: 1 dim-0 vars, and 2 xjuncts. [2018-10-27 04:50:54,380 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 42 treesize of output 54 [2018-10-27 04:50:54,382 INFO L267 ElimStorePlain]: Start of recursive call 58: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 8 xjuncts. [2018-10-27 04:50:54,406 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 0 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 35 [2018-10-27 04:50:54,406 INFO L267 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 2 xjuncts. [2018-10-27 04:50:54,829 INFO L267 ElimStorePlain]: Start of recursive call 54: 2 dim-1 vars, End of recursive call: 4 dim-0 vars, and 8 xjuncts. [2018-10-27 04:50:55,865 WARN L522 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-10-27 04:50:55,866 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.AssertionError: var is still there: v_prenex_64 term size 41 at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:225) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:293) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:245) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:418) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:290) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:330) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructForwardBackward(TraceCheckConstructor.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:188) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.MultiTrackRefinementStrategy.getTraceCheck(MultiTrackRefinementStrategy.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:197) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:429) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:435) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:376) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:312) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:123) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-10-27 04:50:55,869 INFO L168 Benchmark]: Toolchain (without parser) took 223122.83 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 358.1 MB). Free memory was 947.8 MB in the beginning and 965.5 MB in the end (delta: -17.7 MB). Peak memory consumption was 471.6 MB. Max. memory is 11.5 GB. [2018-10-27 04:50:55,870 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 04:50:55,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 527.26 ms. Allocated memory is still 1.0 GB. Free memory was 947.8 MB in the beginning and 921.0 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-10-27 04:50:55,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 74.55 ms. Allocated memory is still 1.0 GB. Free memory was 921.0 MB in the beginning and 915.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-27 04:50:55,871 INFO L168 Benchmark]: Boogie Preprocessor took 192.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.9 MB). Free memory was 915.6 MB in the beginning and 1.2 GB in the end (delta: -271.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2018-10-27 04:50:55,871 INFO L168 Benchmark]: RCFGBuilder took 2804.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Peak memory consumption was 111.7 MB. Max. memory is 11.5 GB. [2018-10-27 04:50:55,871 INFO L168 Benchmark]: TraceAbstraction took 219519.96 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 156.2 MB). Free memory was 1.1 GB in the beginning and 965.5 MB in the end (delta: 109.8 MB). Peak memory consumption was 397.2 MB. Max. memory is 11.5 GB. [2018-10-27 04:50:55,885 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 527.26 ms. Allocated memory is still 1.0 GB. Free memory was 947.8 MB in the beginning and 921.0 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 74.55 ms. Allocated memory is still 1.0 GB. Free memory was 921.0 MB in the beginning and 915.6 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 192.45 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.9 MB). Free memory was 915.6 MB in the beginning and 1.2 GB in the end (delta: -271.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2804.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 111.7 MB). Peak memory consumption was 111.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 219519.96 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 156.2 MB). Free memory was 1.1 GB in the beginning and 965.5 MB in the end (delta: 109.8 MB). Peak memory consumption was 397.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: AssertionError: var is still there: v_prenex_64 term size 41 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: AssertionError: var is still there: v_prenex_64 term size 41: de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:452) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...