./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/memsafety/lockfree-3.1_false-valid-memtrack.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/lockfree-3.1_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/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 1cf39fe39780d3a80771c5bc79874b49e3ac2315 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/config/TaipanMemDerefMemtrack.xml -i ../../sv-benchmarks/c/memsafety/lockfree-3.1_false-valid-memtrack.i -s /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/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 1cf39fe39780d3a80771c5bc79874b49e3ac2315 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN: Overapproximated counterexample --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 06:36:25,085 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 06:36:25,086 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 06:36:25,095 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 06:36:25,095 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 06:36:25,096 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 06:36:25,096 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 06:36:25,098 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 06:36:25,099 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 06:36:25,099 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 06:36:25,100 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 06:36:25,100 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 06:36:25,101 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 06:36:25,101 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 06:36:25,102 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 06:36:25,103 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 06:36:25,103 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 06:36:25,104 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 06:36:25,106 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 06:36:25,107 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 06:36:25,107 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 06:36:25,108 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 06:36:25,109 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 06:36:25,109 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 06:36:25,109 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 06:36:25,110 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 06:36:25,110 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 06:36:25,110 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 06:36:25,111 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 06:36:25,111 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 06:36:25,111 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 06:36:25,112 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 06:36:25,112 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 06:36:25,112 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 06:36:25,112 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 06:36:25,113 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 06:36:25,113 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Default.epf [2018-12-09 06:36:25,120 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 06:36:25,120 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 06:36:25,121 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 06:36:25,121 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 06:36:25,121 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 06:36:25,121 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 06:36:25,121 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 06:36:25,121 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 06:36:25,121 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 06:36:25,122 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 06:36:25,122 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 06:36:25,122 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 06:36:25,122 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 06:36:25,122 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 06:36:25,122 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 06:36:25,123 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 06:36:25,123 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 06:36:25,123 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 06:36:25,123 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 06:36:25,123 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 06:36:25,123 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 06:36:25,123 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 06:36:25,124 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 06:36:25,124 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 06:36:25,124 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 06:36:25,124 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 06:36:25,124 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 06:36:25,124 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 06:36:25,124 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 06:36:25,124 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 06:36:25,125 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 06:36:25,125 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 06:36:25,125 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 06:36:25,125 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 06:36:25,125 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 06:36:25,125 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 06:36:25,125 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_030e3ee4-17bd-4e4a-aca4-b68335645655/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 -> 1cf39fe39780d3a80771c5bc79874b49e3ac2315 [2018-12-09 06:36:25,142 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 06:36:25,149 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 06:36:25,151 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 06:36:25,152 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 06:36:25,152 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 06:36:25,153 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/../../sv-benchmarks/c/memsafety/lockfree-3.1_false-valid-memtrack.i [2018-12-09 06:36:25,186 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/data/b0ee78668/e37b1f97f96c44f2841302849b334430/FLAG9dad4b2d3 [2018-12-09 06:36:25,631 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 06:36:25,631 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/sv-benchmarks/c/memsafety/lockfree-3.1_false-valid-memtrack.i [2018-12-09 06:36:25,637 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/data/b0ee78668/e37b1f97f96c44f2841302849b334430/FLAG9dad4b2d3 [2018-12-09 06:36:25,645 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/data/b0ee78668/e37b1f97f96c44f2841302849b334430 [2018-12-09 06:36:25,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 06:36:25,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 06:36:25,648 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 06:36:25,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 06:36:25,650 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 06:36:25,651 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:36:25" (1/1) ... [2018-12-09 06:36:25,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca176b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:25, skipping insertion in model container [2018-12-09 06:36:25,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:36:25" (1/1) ... [2018-12-09 06:36:25,657 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 06:36:25,676 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 06:36:25,820 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:36:25,868 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 06:36:25,893 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:36:25,914 INFO L195 MainTranslator]: Completed translation [2018-12-09 06:36:25,914 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:25 WrapperNode [2018-12-09 06:36:25,914 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 06:36:25,915 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 06:36:25,915 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 06:36:25,915 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 06:36:25,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:25" (1/1) ... [2018-12-09 06:36:25,927 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:25" (1/1) ... [2018-12-09 06:36:25,932 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 06:36:25,932 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 06:36:25,932 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 06:36:25,932 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 06:36:25,937 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:25" (1/1) ... [2018-12-09 06:36:25,937 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:25" (1/1) ... [2018-12-09 06:36:25,940 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:25" (1/1) ... [2018-12-09 06:36:25,940 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:25" (1/1) ... [2018-12-09 06:36:25,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:25" (1/1) ... [2018-12-09 06:36:25,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:25" (1/1) ... [2018-12-09 06:36:25,949 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:25" (1/1) ... [2018-12-09 06:36:25,951 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 06:36:25,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 06:36:25,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 06:36:25,951 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 06:36:25,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/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 [2018-12-09 06:36:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 06:36:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-12-09 06:36:25,982 INFO L130 BoogieDeclarations]: Found specification of procedure push [2018-12-09 06:36:25,983 INFO L138 BoogieDeclarations]: Found implementation of procedure push [2018-12-09 06:36:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure pop [2018-12-09 06:36:25,983 INFO L138 BoogieDeclarations]: Found implementation of procedure pop [2018-12-09 06:36:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 06:36:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 06:36:25,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 06:36:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 06:36:25,983 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 06:36:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 06:36:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 06:36:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 06:36:25,983 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 06:36:25,983 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 06:36:26,195 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 06:36:26,196 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 06:36:26,196 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:36:26 BoogieIcfgContainer [2018-12-09 06:36:26,196 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 06:36:26,196 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 06:36:26,197 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 06:36:26,198 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 06:36:26,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:36:25" (1/3) ... [2018-12-09 06:36:26,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638efb82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:36:26, skipping insertion in model container [2018-12-09 06:36:26,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:25" (2/3) ... [2018-12-09 06:36:26,199 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@638efb82 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:36:26, skipping insertion in model container [2018-12-09 06:36:26,199 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:36:26" (3/3) ... [2018-12-09 06:36:26,200 INFO L112 eAbstractionObserver]: Analyzing ICFG lockfree-3.1_false-valid-memtrack.i [2018-12-09 06:36:26,206 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 06:36:26,211 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-12-09 06:36:26,220 INFO L257 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2018-12-09 06:36:26,235 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 06:36:26,235 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-09 06:36:26,235 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 06:36:26,235 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 06:36:26,235 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 06:36:26,235 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 06:36:26,235 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 06:36:26,235 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 06:36:26,245 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states. [2018-12-09 06:36:26,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 06:36:26,250 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:26,251 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:26,252 INFO L423 AbstractCegarLoop]: === Iteration 1 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:26,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:26,255 INFO L82 PathProgramCache]: Analyzing trace with hash -2117844133, now seen corresponding path program 1 times [2018-12-09 06:36:26,257 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:26,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:26,285 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:26,285 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:26,285 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:26,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:26,339 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:26,341 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:36:26,341 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 06:36:26,341 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:36:26,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 06:36:26,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 06:36:26,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 06:36:26,354 INFO L87 Difference]: Start difference. First operand 72 states. Second operand 2 states. [2018-12-09 06:36:26,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:26,365 INFO L93 Difference]: Finished difference Result 72 states and 89 transitions. [2018-12-09 06:36:26,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 06:36:26,366 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2018-12-09 06:36:26,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:26,373 INFO L225 Difference]: With dead ends: 72 [2018-12-09 06:36:26,373 INFO L226 Difference]: Without dead ends: 69 [2018-12-09 06:36:26,374 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 06:36:26,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2018-12-09 06:36:26,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2018-12-09 06:36:26,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2018-12-09 06:36:26,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 86 transitions. [2018-12-09 06:36:26,397 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 86 transitions. Word has length 8 [2018-12-09 06:36:26,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:26,397 INFO L480 AbstractCegarLoop]: Abstraction has 69 states and 86 transitions. [2018-12-09 06:36:26,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 06:36:26,397 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 86 transitions. [2018-12-09 06:36:26,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 06:36:26,397 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:26,397 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:26,398 INFO L423 AbstractCegarLoop]: === Iteration 2 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:26,398 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:26,398 INFO L82 PathProgramCache]: Analyzing trace with hash 546068844, now seen corresponding path program 1 times [2018-12-09 06:36:26,398 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:26,398 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:26,399 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:26,399 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:26,399 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:26,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:26,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:26,432 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:36:26,432 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 06:36:26,432 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:36:26,433 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:36:26,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:36:26,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:36:26,433 INFO L87 Difference]: Start difference. First operand 69 states and 86 transitions. Second operand 3 states. [2018-12-09 06:36:26,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:26,443 INFO L93 Difference]: Finished difference Result 70 states and 87 transitions. [2018-12-09 06:36:26,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:36:26,443 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-12-09 06:36:26,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:26,444 INFO L225 Difference]: With dead ends: 70 [2018-12-09 06:36:26,444 INFO L226 Difference]: Without dead ends: 70 [2018-12-09 06:36:26,444 INFO L631 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 [2018-12-09 06:36:26,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-12-09 06:36:26,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-12-09 06:36:26,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-12-09 06:36:26,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 87 transitions. [2018-12-09 06:36:26,448 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 87 transitions. Word has length 10 [2018-12-09 06:36:26,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:26,448 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 87 transitions. [2018-12-09 06:36:26,448 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:36:26,449 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2018-12-09 06:36:26,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-12-09 06:36:26,449 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:26,449 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:26,449 INFO L423 AbstractCegarLoop]: === Iteration 3 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:26,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:26,449 INFO L82 PathProgramCache]: Analyzing trace with hash 546128426, now seen corresponding path program 1 times [2018-12-09 06:36:26,449 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:26,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:26,450 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:26,450 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:26,450 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:26,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:26,500 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:36:26,500 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 06:36:26,500 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:36:26,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:36:26,501 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:36:26,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:36:26,501 INFO L87 Difference]: Start difference. First operand 70 states and 87 transitions. Second operand 3 states. [2018-12-09 06:36:26,524 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:26,525 INFO L93 Difference]: Finished difference Result 124 states and 159 transitions. [2018-12-09 06:36:26,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:36:26,525 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-12-09 06:36:26,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:26,526 INFO L225 Difference]: With dead ends: 124 [2018-12-09 06:36:26,526 INFO L226 Difference]: Without dead ends: 124 [2018-12-09 06:36:26,527 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:36:26,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-12-09 06:36:26,535 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 106. [2018-12-09 06:36:26,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2018-12-09 06:36:26,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 151 transitions. [2018-12-09 06:36:26,537 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 151 transitions. Word has length 10 [2018-12-09 06:36:26,537 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:26,537 INFO L480 AbstractCegarLoop]: Abstraction has 106 states and 151 transitions. [2018-12-09 06:36:26,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:36:26,538 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 151 transitions. [2018-12-09 06:36:26,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 06:36:26,538 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:26,538 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:26,538 INFO L423 AbstractCegarLoop]: === Iteration 4 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:26,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:26,538 INFO L82 PathProgramCache]: Analyzing trace with hash -249889490, now seen corresponding path program 1 times [2018-12-09 06:36:26,538 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:26,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:26,539 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:26,539 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:26,539 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:26,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:26,558 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:36:26,558 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 06:36:26,558 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:36:26,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:36:26,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:36:26,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:36:26,559 INFO L87 Difference]: Start difference. First operand 106 states and 151 transitions. Second operand 3 states. [2018-12-09 06:36:26,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:26,602 INFO L93 Difference]: Finished difference Result 136 states and 194 transitions. [2018-12-09 06:36:26,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:36:26,602 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-12-09 06:36:26,603 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:26,603 INFO L225 Difference]: With dead ends: 136 [2018-12-09 06:36:26,603 INFO L226 Difference]: Without dead ends: 133 [2018-12-09 06:36:26,604 INFO L631 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 [2018-12-09 06:36:26,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-12-09 06:36:26,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 124. [2018-12-09 06:36:26,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-12-09 06:36:26,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 181 transitions. [2018-12-09 06:36:26,610 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 181 transitions. Word has length 11 [2018-12-09 06:36:26,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:26,610 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 181 transitions. [2018-12-09 06:36:26,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:36:26,610 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 181 transitions. [2018-12-09 06:36:26,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 06:36:26,611 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:26,611 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:26,611 INFO L423 AbstractCegarLoop]: === Iteration 5 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:26,611 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:26,611 INFO L82 PathProgramCache]: Analyzing trace with hash -1354726454, now seen corresponding path program 1 times [2018-12-09 06:36:26,611 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:26,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:26,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:26,612 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:26,612 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:26,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:26,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:26,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:36:26,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 06:36:26,629 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:36:26,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:36:26,629 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:36:26,629 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:36:26,629 INFO L87 Difference]: Start difference. First operand 124 states and 181 transitions. Second operand 3 states. [2018-12-09 06:36:26,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:26,679 INFO L93 Difference]: Finished difference Result 210 states and 308 transitions. [2018-12-09 06:36:26,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:36:26,679 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-12-09 06:36:26,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:26,680 INFO L225 Difference]: With dead ends: 210 [2018-12-09 06:36:26,680 INFO L226 Difference]: Without dead ends: 210 [2018-12-09 06:36:26,680 INFO L631 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 [2018-12-09 06:36:26,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2018-12-09 06:36:26,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 191. [2018-12-09 06:36:26,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2018-12-09 06:36:26,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 296 transitions. [2018-12-09 06:36:26,688 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 296 transitions. Word has length 13 [2018-12-09 06:36:26,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:26,689 INFO L480 AbstractCegarLoop]: Abstraction has 191 states and 296 transitions. [2018-12-09 06:36:26,689 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:36:26,689 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 296 transitions. [2018-12-09 06:36:26,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 06:36:26,689 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:26,689 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:26,689 INFO L423 AbstractCegarLoop]: === Iteration 6 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:26,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:26,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1354726453, now seen corresponding path program 1 times [2018-12-09 06:36:26,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:26,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:26,690 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:26,690 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:26,690 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:26,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:26,709 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:26,709 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:36:26,709 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 06:36:26,709 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:36:26,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:36:26,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:36:26,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:36:26,710 INFO L87 Difference]: Start difference. First operand 191 states and 296 transitions. Second operand 3 states. [2018-12-09 06:36:26,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:26,760 INFO L93 Difference]: Finished difference Result 261 states and 391 transitions. [2018-12-09 06:36:26,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:36:26,761 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-12-09 06:36:26,761 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:26,763 INFO L225 Difference]: With dead ends: 261 [2018-12-09 06:36:26,763 INFO L226 Difference]: Without dead ends: 261 [2018-12-09 06:36:26,763 INFO L631 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 [2018-12-09 06:36:26,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 261 states. [2018-12-09 06:36:26,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 261 to 245. [2018-12-09 06:36:26,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2018-12-09 06:36:26,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 380 transitions. [2018-12-09 06:36:26,776 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 380 transitions. Word has length 13 [2018-12-09 06:36:26,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:26,777 INFO L480 AbstractCegarLoop]: Abstraction has 245 states and 380 transitions. [2018-12-09 06:36:26,777 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:36:26,777 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 380 transitions. [2018-12-09 06:36:26,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-09 06:36:26,777 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:26,778 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:26,778 INFO L423 AbstractCegarLoop]: === Iteration 7 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:26,778 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:26,778 INFO L82 PathProgramCache]: Analyzing trace with hash 953159977, now seen corresponding path program 1 times [2018-12-09 06:36:26,779 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:26,779 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:26,779 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:26,780 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:26,780 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:26,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:26,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:26,820 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:36:26,820 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 06:36:26,820 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:36:26,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 06:36:26,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 06:36:26,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 06:36:26,820 INFO L87 Difference]: Start difference. First operand 245 states and 380 transitions. Second operand 5 states. [2018-12-09 06:36:26,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:26,860 INFO L93 Difference]: Finished difference Result 463 states and 693 transitions. [2018-12-09 06:36:26,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 06:36:26,861 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-12-09 06:36:26,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:26,864 INFO L225 Difference]: With dead ends: 463 [2018-12-09 06:36:26,864 INFO L226 Difference]: Without dead ends: 463 [2018-12-09 06:36:26,864 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 06:36:26,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2018-12-09 06:36:26,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 437. [2018-12-09 06:36:26,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-12-09 06:36:26,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 673 transitions. [2018-12-09 06:36:26,882 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 673 transitions. Word has length 14 [2018-12-09 06:36:26,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:26,883 INFO L480 AbstractCegarLoop]: Abstraction has 437 states and 673 transitions. [2018-12-09 06:36:26,883 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 06:36:26,883 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 673 transitions. [2018-12-09 06:36:26,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-12-09 06:36:26,883 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:26,883 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:26,884 INFO L423 AbstractCegarLoop]: === Iteration 8 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:26,884 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:26,884 INFO L82 PathProgramCache]: Analyzing trace with hash 2106395152, now seen corresponding path program 1 times [2018-12-09 06:36:26,884 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:26,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:26,885 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:26,885 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:26,885 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:26,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:26,917 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:26,917 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:36:26,917 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 06:36:26,917 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:36:26,917 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 06:36:26,917 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 06:36:26,917 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 06:36:26,918 INFO L87 Difference]: Start difference. First operand 437 states and 673 transitions. Second operand 5 states. [2018-12-09 06:36:26,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:26,950 INFO L93 Difference]: Finished difference Result 815 states and 1179 transitions. [2018-12-09 06:36:26,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 06:36:26,951 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2018-12-09 06:36:26,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:26,953 INFO L225 Difference]: With dead ends: 815 [2018-12-09 06:36:26,953 INFO L226 Difference]: Without dead ends: 815 [2018-12-09 06:36:26,954 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 06:36:26,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2018-12-09 06:36:26,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 785. [2018-12-09 06:36:26,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 785 states. [2018-12-09 06:36:26,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 1153 transitions. [2018-12-09 06:36:26,973 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 1153 transitions. Word has length 15 [2018-12-09 06:36:26,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:26,973 INFO L480 AbstractCegarLoop]: Abstraction has 785 states and 1153 transitions. [2018-12-09 06:36:26,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 06:36:26,974 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 1153 transitions. [2018-12-09 06:36:26,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-12-09 06:36:26,974 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:26,974 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:26,975 INFO L423 AbstractCegarLoop]: === Iteration 9 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:26,975 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:26,975 INFO L82 PathProgramCache]: Analyzing trace with hash 1918113987, now seen corresponding path program 1 times [2018-12-09 06:36:26,975 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:26,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:26,976 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:26,976 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:26,976 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:26,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:27,017 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:27,017 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:36:27,017 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 06:36:27,017 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:36:27,017 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 06:36:27,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 06:36:27,018 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-09 06:36:27,018 INFO L87 Difference]: Start difference. First operand 785 states and 1153 transitions. Second operand 5 states. [2018-12-09 06:36:27,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:27,073 INFO L93 Difference]: Finished difference Result 1181 states and 1780 transitions. [2018-12-09 06:36:27,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 06:36:27,073 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-12-09 06:36:27,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:27,078 INFO L225 Difference]: With dead ends: 1181 [2018-12-09 06:36:27,078 INFO L226 Difference]: Without dead ends: 1181 [2018-12-09 06:36:27,079 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-12-09 06:36:27,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1181 states. [2018-12-09 06:36:27,111 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1181 to 1163. [2018-12-09 06:36:27,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1163 states. [2018-12-09 06:36:27,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 1163 states and 1772 transitions. [2018-12-09 06:36:27,116 INFO L78 Accepts]: Start accepts. Automaton has 1163 states and 1772 transitions. Word has length 22 [2018-12-09 06:36:27,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:27,116 INFO L480 AbstractCegarLoop]: Abstraction has 1163 states and 1772 transitions. [2018-12-09 06:36:27,116 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 06:36:27,116 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1772 transitions. [2018-12-09 06:36:27,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 06:36:27,117 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:27,117 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:27,117 INFO L423 AbstractCegarLoop]: === Iteration 10 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:27,117 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:27,118 INFO L82 PathProgramCache]: Analyzing trace with hash 384585158, now seen corresponding path program 1 times [2018-12-09 06:36:27,118 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:27,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:27,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:27,118 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:27,118 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:27,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:27,161 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:27,161 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:27,161 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:36:27,162 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 25 with the following transitions: [2018-12-09 06:36:27,163 INFO L205 CegarAbsIntRunner]: [0], [3], [4], [14], [17], [19], [47], [48], [49], [56], [59], [67], [73], [147], [148], [149], [153], [154] [2018-12-09 06:36:27,188 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:36:27,188 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:36:27,260 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 06:36:27,260 INFO L272 AbstractInterpreter]: Visited 7 different actions 7 times. Never merged. Never widened. Performed 119 root evaluator evaluations with a maximum evaluation depth of 1. Performed 119 inverse root evaluator evaluations with a maximum inverse evaluation depth of 1. Never found a fixpoint. Largest state had 39 variables. [2018-12-09 06:36:27,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:27,265 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 06:36:27,301 INFO L227 lantSequenceWeakener]: Weakened 7 states. On average, predicates are now at 83.71% of their original sizes. [2018-12-09 06:36:27,301 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 06:36:27,312 INFO L418 sIntCurrentIteration]: We unified 23 AI predicates to 23 [2018-12-09 06:36:27,312 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 06:36:27,312 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 06:36:27,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-09 06:36:27,313 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:36:27,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 06:36:27,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 06:36:27,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2018-12-09 06:36:27,313 INFO L87 Difference]: Start difference. First operand 1163 states and 1772 transitions. Second operand 6 states. [2018-12-09 06:36:27,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:27,590 INFO L93 Difference]: Finished difference Result 1171 states and 1785 transitions. [2018-12-09 06:36:27,590 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 06:36:27,590 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 24 [2018-12-09 06:36:27,590 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:27,593 INFO L225 Difference]: With dead ends: 1171 [2018-12-09 06:36:27,593 INFO L226 Difference]: Without dead ends: 1171 [2018-12-09 06:36:27,593 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-09 06:36:27,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1171 states. [2018-12-09 06:36:27,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1171 to 1165. [2018-12-09 06:36:27,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1165 states. [2018-12-09 06:36:27,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 1165 states and 1774 transitions. [2018-12-09 06:36:27,616 INFO L78 Accepts]: Start accepts. Automaton has 1165 states and 1774 transitions. Word has length 24 [2018-12-09 06:36:27,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:27,616 INFO L480 AbstractCegarLoop]: Abstraction has 1165 states and 1774 transitions. [2018-12-09 06:36:27,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 06:36:27,616 INFO L276 IsEmpty]: Start isEmpty. Operand 1165 states and 1774 transitions. [2018-12-09 06:36:27,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-09 06:36:27,617 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:27,617 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:27,617 INFO L423 AbstractCegarLoop]: === Iteration 11 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:27,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:27,617 INFO L82 PathProgramCache]: Analyzing trace with hash -1609559548, now seen corresponding path program 1 times [2018-12-09 06:36:27,618 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:27,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:27,618 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:27,618 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:27,618 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:27,650 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:27,650 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:27,650 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:36:27,650 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 25 with the following transitions: [2018-12-09 06:36:27,650 INFO L205 CegarAbsIntRunner]: [0], [3], [4], [14], [17], [19], [47], [48], [49], [56], [59], [61], [67], [73], [147], [148], [149], [153], [154] [2018-12-09 06:36:27,652 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:36:27,652 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:36:27,711 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 06:36:27,711 INFO L272 AbstractInterpreter]: Visited 17 different actions 28 times. Merged at 5 different actions 5 times. Never widened. Performed 447 root evaluator evaluations with a maximum evaluation depth of 3. Performed 447 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 39 variables. [2018-12-09 06:36:27,713 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:27,713 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 06:36:27,749 INFO L227 lantSequenceWeakener]: Weakened 20 states. On average, predicates are now at 88.15% of their original sizes. [2018-12-09 06:36:27,749 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 06:36:27,795 INFO L418 sIntCurrentIteration]: We unified 23 AI predicates to 23 [2018-12-09 06:36:27,795 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 06:36:27,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 06:36:27,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [6] total 18 [2018-12-09 06:36:27,795 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:36:27,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-09 06:36:27,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-09 06:36:27,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=146, Unknown=0, NotChecked=0, Total=182 [2018-12-09 06:36:27,796 INFO L87 Difference]: Start difference. First operand 1165 states and 1774 transitions. Second operand 14 states. [2018-12-09 06:36:29,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:29,154 INFO L93 Difference]: Finished difference Result 2006 states and 3020 transitions. [2018-12-09 06:36:29,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 06:36:29,154 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 24 [2018-12-09 06:36:29,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:29,162 INFO L225 Difference]: With dead ends: 2006 [2018-12-09 06:36:29,162 INFO L226 Difference]: Without dead ends: 1988 [2018-12-09 06:36:29,162 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 34 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 105 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=129, Invalid=471, Unknown=0, NotChecked=0, Total=600 [2018-12-09 06:36:29,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1988 states. [2018-12-09 06:36:29,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1988 to 1851. [2018-12-09 06:36:29,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1851 states. [2018-12-09 06:36:29,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1851 states and 2791 transitions. [2018-12-09 06:36:29,195 INFO L78 Accepts]: Start accepts. Automaton has 1851 states and 2791 transitions. Word has length 24 [2018-12-09 06:36:29,195 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:29,195 INFO L480 AbstractCegarLoop]: Abstraction has 1851 states and 2791 transitions. [2018-12-09 06:36:29,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-09 06:36:29,195 INFO L276 IsEmpty]: Start isEmpty. Operand 1851 states and 2791 transitions. [2018-12-09 06:36:29,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 06:36:29,196 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:29,196 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:29,196 INFO L423 AbstractCegarLoop]: === Iteration 12 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:29,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:29,196 INFO L82 PathProgramCache]: Analyzing trace with hash 765818242, now seen corresponding path program 1 times [2018-12-09 06:36:29,196 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:29,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:29,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:29,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:29,197 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:29,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:29,275 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:29,275 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:29,275 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:36:29,275 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 30 with the following transitions: [2018-12-09 06:36:29,275 INFO L205 CegarAbsIntRunner]: [48], [49], [56], [59], [61], [67], [70], [101], [111], [114], [116], [118], [122], [129], [139], [143], [145], [146], [147], [148], [149], [151], [152] [2018-12-09 06:36:29,276 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:36:29,276 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:36:29,315 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:36:29,315 INFO L272 AbstractInterpreter]: Visited 23 different actions 76 times. Merged at 5 different actions 15 times. Never widened. Performed 996 root evaluator evaluations with a maximum evaluation depth of 3. Performed 996 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 39 variables. [2018-12-09 06:36:29,319 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:29,320 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:36:29,320 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:29,320 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/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 [2018-12-09 06:36:29,329 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:29,329 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:36:29,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:29,368 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:29,433 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:29,433 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:29,486 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:29,502 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 06:36:29,502 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7, 7] imperfect sequences [7] total 14 [2018-12-09 06:36:29,502 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 06:36:29,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 06:36:29,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 06:36:29,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2018-12-09 06:36:29,502 INFO L87 Difference]: Start difference. First operand 1851 states and 2791 transitions. Second operand 7 states. [2018-12-09 06:36:29,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:29,642 INFO L93 Difference]: Finished difference Result 704 states and 888 transitions. [2018-12-09 06:36:29,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 06:36:29,642 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 29 [2018-12-09 06:36:29,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:29,645 INFO L225 Difference]: With dead ends: 704 [2018-12-09 06:36:29,645 INFO L226 Difference]: Without dead ends: 584 [2018-12-09 06:36:29,645 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=216, Unknown=0, NotChecked=0, Total=272 [2018-12-09 06:36:29,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2018-12-09 06:36:29,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 524. [2018-12-09 06:36:29,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 524 states. [2018-12-09 06:36:29,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 524 states and 707 transitions. [2018-12-09 06:36:29,658 INFO L78 Accepts]: Start accepts. Automaton has 524 states and 707 transitions. Word has length 29 [2018-12-09 06:36:29,658 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:29,658 INFO L480 AbstractCegarLoop]: Abstraction has 524 states and 707 transitions. [2018-12-09 06:36:29,659 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 06:36:29,659 INFO L276 IsEmpty]: Start isEmpty. Operand 524 states and 707 transitions. [2018-12-09 06:36:29,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 06:36:29,659 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:29,660 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 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] [2018-12-09 06:36:29,660 INFO L423 AbstractCegarLoop]: === Iteration 13 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:29,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:29,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1196242259, now seen corresponding path program 1 times [2018-12-09 06:36:29,660 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:29,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:29,661 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:29,661 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:29,661 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:29,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:29,699 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 06:36:29,699 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:29,699 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:36:29,699 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 36 with the following transitions: [2018-12-09 06:36:29,699 INFO L205 CegarAbsIntRunner]: [0], [3], [4], [14], [17], [19], [47], [48], [49], [56], [59], [61], [67], [70], [73], [101], [104], [105], [108], [146], [147], [148], [149], [151], [152], [153], [154] [2018-12-09 06:36:29,701 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:36:29,701 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:36:29,782 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:36:29,783 INFO L272 AbstractInterpreter]: Visited 27 different actions 135 times. Merged at 8 different actions 31 times. Never widened. Performed 2203 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2203 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 12 fixpoints after 5 different actions. Largest state had 48 variables. [2018-12-09 06:36:29,784 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:29,784 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:36:29,784 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:29,784 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:36:29,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:29,793 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:36:29,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:29,827 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:29,848 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 06:36:29,848 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:29,888 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 06:36:29,913 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:36:29,913 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 7 [2018-12-09 06:36:29,913 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:36:29,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 06:36:29,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 06:36:29,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2018-12-09 06:36:29,914 INFO L87 Difference]: Start difference. First operand 524 states and 707 transitions. Second operand 6 states. [2018-12-09 06:36:29,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:29,967 INFO L93 Difference]: Finished difference Result 717 states and 951 transitions. [2018-12-09 06:36:29,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-09 06:36:29,967 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2018-12-09 06:36:29,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:29,970 INFO L225 Difference]: With dead ends: 717 [2018-12-09 06:36:29,970 INFO L226 Difference]: Without dead ends: 717 [2018-12-09 06:36:29,970 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 68 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2018-12-09 06:36:29,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2018-12-09 06:36:29,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 679. [2018-12-09 06:36:29,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 679 states. [2018-12-09 06:36:29,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 679 states and 913 transitions. [2018-12-09 06:36:29,985 INFO L78 Accepts]: Start accepts. Automaton has 679 states and 913 transitions. Word has length 35 [2018-12-09 06:36:29,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:29,985 INFO L480 AbstractCegarLoop]: Abstraction has 679 states and 913 transitions. [2018-12-09 06:36:29,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 06:36:29,985 INFO L276 IsEmpty]: Start isEmpty. Operand 679 states and 913 transitions. [2018-12-09 06:36:29,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-12-09 06:36:29,986 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:29,986 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:29,986 INFO L423 AbstractCegarLoop]: === Iteration 14 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:29,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:29,986 INFO L82 PathProgramCache]: Analyzing trace with hash -868436680, now seen corresponding path program 1 times [2018-12-09 06:36:29,986 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:29,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:29,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:29,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:29,987 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:29,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:30,055 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:30,055 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:30,055 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:36:30,055 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 36 with the following transitions: [2018-12-09 06:36:30,055 INFO L205 CegarAbsIntRunner]: [0], [3], [4], [7], [12], [14], [17], [19], [47], [48], [49], [56], [59], [61], [67], [73], [147], [148], [149], [153], [154] [2018-12-09 06:36:30,056 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:36:30,056 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:36:30,072 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:36:30,072 INFO L272 AbstractInterpreter]: Visited 21 different actions 32 times. Merged at 5 different actions 5 times. Never widened. Performed 394 root evaluator evaluations with a maximum evaluation depth of 3. Performed 394 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 39 variables. [2018-12-09 06:36:30,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:30,074 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:36:30,074 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:30,074 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:36:30,080 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:30,080 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:36:30,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:30,111 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:30,139 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:30,139 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:30,220 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 15 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:30,235 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:36:30,235 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 13 [2018-12-09 06:36:30,236 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:36:30,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 06:36:30,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 06:36:30,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2018-12-09 06:36:30,236 INFO L87 Difference]: Start difference. First operand 679 states and 913 transitions. Second operand 10 states. [2018-12-09 06:36:30,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:30,604 INFO L93 Difference]: Finished difference Result 1792 states and 2429 transitions. [2018-12-09 06:36:30,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 06:36:30,604 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 35 [2018-12-09 06:36:30,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:30,608 INFO L225 Difference]: With dead ends: 1792 [2018-12-09 06:36:30,608 INFO L226 Difference]: Without dead ends: 1792 [2018-12-09 06:36:30,608 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 65 SyntacticMatches, 3 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=107, Invalid=313, Unknown=0, NotChecked=0, Total=420 [2018-12-09 06:36:30,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1792 states. [2018-12-09 06:36:30,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1792 to 1663. [2018-12-09 06:36:30,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1663 states. [2018-12-09 06:36:30,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1663 states and 2283 transitions. [2018-12-09 06:36:30,637 INFO L78 Accepts]: Start accepts. Automaton has 1663 states and 2283 transitions. Word has length 35 [2018-12-09 06:36:30,637 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:30,637 INFO L480 AbstractCegarLoop]: Abstraction has 1663 states and 2283 transitions. [2018-12-09 06:36:30,637 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 06:36:30,637 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 2283 transitions. [2018-12-09 06:36:30,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-09 06:36:30,638 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:30,638 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:30,638 INFO L423 AbstractCegarLoop]: === Iteration 15 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:30,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:30,638 INFO L82 PathProgramCache]: Analyzing trace with hash -473073876, now seen corresponding path program 1 times [2018-12-09 06:36:30,638 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:30,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:30,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:30,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:30,639 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:30,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:30,691 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:30,691 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:30,691 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:36:30,691 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 37 with the following transitions: [2018-12-09 06:36:30,692 INFO L205 CegarAbsIntRunner]: [48], [49], [56], [59], [61], [65], [67], [70], [84], [98], [100], [101], [104], [105], [108], [111], [118], [122], [129], [139], [142], [146], [147], [148], [149], [151], [152] [2018-12-09 06:36:30,692 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:36:30,693 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:36:30,744 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:36:30,744 INFO L272 AbstractInterpreter]: Visited 27 different actions 73 times. Merged at 10 different actions 17 times. Never widened. Performed 1066 root evaluator evaluations with a maximum evaluation depth of 8. Performed 1066 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 8 fixpoints after 5 different actions. Largest state had 48 variables. [2018-12-09 06:36:30,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:30,745 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:36:30,745 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:30,745 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:36:30,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:30,756 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:36:30,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:30,784 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:30,836 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 06:36:30,836 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:30,950 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 9 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:30,965 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:36:30,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 11] total 20 [2018-12-09 06:36:30,965 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:36:30,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 06:36:30,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 06:36:30,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=299, Unknown=0, NotChecked=0, Total=380 [2018-12-09 06:36:30,966 INFO L87 Difference]: Start difference. First operand 1663 states and 2283 transitions. Second operand 13 states. [2018-12-09 06:36:31,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:31,230 INFO L93 Difference]: Finished difference Result 2355 states and 3388 transitions. [2018-12-09 06:36:31,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 06:36:31,231 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 36 [2018-12-09 06:36:31,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:31,237 INFO L225 Difference]: With dead ends: 2355 [2018-12-09 06:36:31,237 INFO L226 Difference]: Without dead ends: 2355 [2018-12-09 06:36:31,237 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 64 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=232, Invalid=698, Unknown=0, NotChecked=0, Total=930 [2018-12-09 06:36:31,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2355 states. [2018-12-09 06:36:31,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2355 to 2076. [2018-12-09 06:36:31,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2076 states. [2018-12-09 06:36:31,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2076 states to 2076 states and 2885 transitions. [2018-12-09 06:36:31,270 INFO L78 Accepts]: Start accepts. Automaton has 2076 states and 2885 transitions. Word has length 36 [2018-12-09 06:36:31,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:31,270 INFO L480 AbstractCegarLoop]: Abstraction has 2076 states and 2885 transitions. [2018-12-09 06:36:31,271 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 06:36:31,271 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2885 transitions. [2018-12-09 06:36:31,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 06:36:31,272 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:31,272 INFO L402 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:31,272 INFO L423 AbstractCegarLoop]: === Iteration 16 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:31,272 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:31,272 INFO L82 PathProgramCache]: Analyzing trace with hash -1667732064, now seen corresponding path program 1 times [2018-12-09 06:36:31,272 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:31,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:31,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:31,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:31,272 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:31,326 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 06:36:31,326 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:31,326 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:36:31,326 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 48 with the following transitions: [2018-12-09 06:36:31,327 INFO L205 CegarAbsIntRunner]: [48], [49], [56], [59], [61], [65], [67], [70], [84], [98], [100], [101], [104], [105], [108], [111], [114], [115], [118], [122], [129], [139], [142], [146], [147], [148], [149], [151], [152] [2018-12-09 06:36:31,328 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:36:31,328 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:36:31,379 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:36:31,379 INFO L272 AbstractInterpreter]: Visited 29 different actions 82 times. Merged at 11 different actions 21 times. Never widened. Performed 970 root evaluator evaluations with a maximum evaluation depth of 8. Performed 970 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 10 fixpoints after 5 different actions. Largest state had 48 variables. [2018-12-09 06:36:31,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:31,386 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:36:31,386 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:31,386 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:36:31,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:31,398 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:36:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:31,443 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:31,468 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 06:36:31,468 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:31,591 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 27 proven. 4 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 06:36:31,617 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:36:31,617 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2018-12-09 06:36:31,617 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:36:31,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 06:36:31,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 06:36:31,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=192, Unknown=0, NotChecked=0, Total=240 [2018-12-09 06:36:31,617 INFO L87 Difference]: Start difference. First operand 2076 states and 2885 transitions. Second operand 11 states. [2018-12-09 06:36:31,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:31,836 INFO L93 Difference]: Finished difference Result 2642 states and 3792 transitions. [2018-12-09 06:36:31,836 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 06:36:31,837 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 47 [2018-12-09 06:36:31,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:31,845 INFO L225 Difference]: With dead ends: 2642 [2018-12-09 06:36:31,845 INFO L226 Difference]: Without dead ends: 2642 [2018-12-09 06:36:31,846 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 91 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=144, Invalid=408, Unknown=0, NotChecked=0, Total=552 [2018-12-09 06:36:31,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2642 states. [2018-12-09 06:36:31,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2642 to 2076. [2018-12-09 06:36:31,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2076 states. [2018-12-09 06:36:31,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2076 states to 2076 states and 2885 transitions. [2018-12-09 06:36:31,883 INFO L78 Accepts]: Start accepts. Automaton has 2076 states and 2885 transitions. Word has length 47 [2018-12-09 06:36:31,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:31,884 INFO L480 AbstractCegarLoop]: Abstraction has 2076 states and 2885 transitions. [2018-12-09 06:36:31,884 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 06:36:31,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2885 transitions. [2018-12-09 06:36:31,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-09 06:36:31,885 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:31,885 INFO L402 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:31,885 INFO L423 AbstractCegarLoop]: === Iteration 17 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:31,885 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:31,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1237860514, now seen corresponding path program 1 times [2018-12-09 06:36:31,885 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:31,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:31,886 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:31,886 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:31,886 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:31,941 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 22 proven. 12 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 06:36:31,941 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:31,941 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:36:31,942 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 48 with the following transitions: [2018-12-09 06:36:31,942 INFO L205 CegarAbsIntRunner]: [48], [49], [56], [59], [61], [65], [67], [70], [84], [98], [100], [101], [104], [105], [108], [111], [118], [121], [122], [129], [139], [142], [146], [147], [148], [149], [151], [152] [2018-12-09 06:36:31,943 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:36:31,943 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:36:31,994 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:36:31,994 INFO L272 AbstractInterpreter]: Visited 28 different actions 79 times. Merged at 12 different actions 22 times. Never widened. Performed 970 root evaluator evaluations with a maximum evaluation depth of 8. Performed 970 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 8 fixpoints after 3 different actions. Largest state had 48 variables. [2018-12-09 06:36:31,995 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:31,996 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:36:31,996 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:31,996 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:36:32,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:32,004 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:36:32,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:32,038 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:32,094 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 06:36:32,094 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:32,194 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 19 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 06:36:32,209 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:36:32,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 10, 11] total 19 [2018-12-09 06:36:32,209 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:36:32,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-09 06:36:32,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-09 06:36:32,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=269, Unknown=0, NotChecked=0, Total=342 [2018-12-09 06:36:32,210 INFO L87 Difference]: Start difference. First operand 2076 states and 2885 transitions. Second operand 13 states. [2018-12-09 06:36:32,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:32,488 INFO L93 Difference]: Finished difference Result 2768 states and 4000 transitions. [2018-12-09 06:36:32,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-09 06:36:32,489 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 47 [2018-12-09 06:36:32,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:32,495 INFO L225 Difference]: With dead ends: 2768 [2018-12-09 06:36:32,495 INFO L226 Difference]: Without dead ends: 2768 [2018-12-09 06:36:32,495 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 90 SyntacticMatches, 3 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=235, Invalid=757, Unknown=0, NotChecked=0, Total=992 [2018-12-09 06:36:32,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2768 states. [2018-12-09 06:36:32,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2768 to 2581. [2018-12-09 06:36:32,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2581 states. [2018-12-09 06:36:32,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 2581 states and 3663 transitions. [2018-12-09 06:36:32,533 INFO L78 Accepts]: Start accepts. Automaton has 2581 states and 3663 transitions. Word has length 47 [2018-12-09 06:36:32,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:32,533 INFO L480 AbstractCegarLoop]: Abstraction has 2581 states and 3663 transitions. [2018-12-09 06:36:32,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-09 06:36:32,533 INFO L276 IsEmpty]: Start isEmpty. Operand 2581 states and 3663 transitions. [2018-12-09 06:36:32,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2018-12-09 06:36:32,534 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:32,534 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 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] [2018-12-09 06:36:32,534 INFO L423 AbstractCegarLoop]: === Iteration 18 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:32,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:32,535 INFO L82 PathProgramCache]: Analyzing trace with hash 319541476, now seen corresponding path program 1 times [2018-12-09 06:36:32,535 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:32,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:32,535 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:32,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:32,535 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:32,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:32,647 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 20 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 06:36:32,647 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:32,647 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:36:32,647 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 50 with the following transitions: [2018-12-09 06:36:32,647 INFO L205 CegarAbsIntRunner]: [0], [3], [4], [14], [17], [19], [22], [32], [44], [46], [47], [48], [49], [56], [59], [61], [67], [70], [73], [101], [104], [105], [108], [146], [147], [148], [149], [151], [152], [153], [154] [2018-12-09 06:36:32,648 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:36:32,648 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:36:32,703 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:36:32,704 INFO L272 AbstractInterpreter]: Visited 31 different actions 105 times. Merged at 10 different actions 26 times. Never widened. Performed 1661 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1661 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 6 different actions. Largest state had 48 variables. [2018-12-09 06:36:32,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:32,707 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:36:32,707 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:32,707 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:36:32,715 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:32,715 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:36:32,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:32,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:32,824 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 06:36:32,824 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:32,904 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 30 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 06:36:32,919 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:36:32,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 17 [2018-12-09 06:36:32,919 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:36:32,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-09 06:36:32,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-09 06:36:32,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2018-12-09 06:36:32,920 INFO L87 Difference]: Start difference. First operand 2581 states and 3663 transitions. Second operand 14 states. [2018-12-09 06:36:33,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:33,483 INFO L93 Difference]: Finished difference Result 1664 states and 2249 transitions. [2018-12-09 06:36:33,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-09 06:36:33,483 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 49 [2018-12-09 06:36:33,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:33,486 INFO L225 Difference]: With dead ends: 1664 [2018-12-09 06:36:33,486 INFO L226 Difference]: Without dead ends: 1610 [2018-12-09 06:36:33,487 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 101 SyntacticMatches, 1 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 184 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=240, Invalid=882, Unknown=0, NotChecked=0, Total=1122 [2018-12-09 06:36:33,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1610 states. [2018-12-09 06:36:33,509 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1610 to 1467. [2018-12-09 06:36:33,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1467 states. [2018-12-09 06:36:33,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 2005 transitions. [2018-12-09 06:36:33,511 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 2005 transitions. Word has length 49 [2018-12-09 06:36:33,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:33,511 INFO L480 AbstractCegarLoop]: Abstraction has 1467 states and 2005 transitions. [2018-12-09 06:36:33,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-09 06:36:33,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2005 transitions. [2018-12-09 06:36:33,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-12-09 06:36:33,512 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:33,512 INFO L402 BasicCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:33,512 INFO L423 AbstractCegarLoop]: === Iteration 19 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:33,513 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:33,513 INFO L82 PathProgramCache]: Analyzing trace with hash -394613649, now seen corresponding path program 1 times [2018-12-09 06:36:33,513 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:33,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:33,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:33,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:33,513 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:33,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:33,605 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 27 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 06:36:33,605 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:33,605 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:36:33,605 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 52 with the following transitions: [2018-12-09 06:36:33,605 INFO L205 CegarAbsIntRunner]: [48], [49], [56], [59], [61], [65], [67], [70], [84], [98], [100], [101], [104], [105], [108], [111], [118], [122], [129], [139], [142], [143], [145], [146], [147], [148], [149], [151], [152] [2018-12-09 06:36:33,606 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:36:33,606 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:36:33,677 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:36:33,677 INFO L272 AbstractInterpreter]: Visited 29 different actions 88 times. Merged at 11 different actions 25 times. Never widened. Performed 985 root evaluator evaluations with a maximum evaluation depth of 8. Performed 985 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 12 fixpoints after 6 different actions. Largest state had 48 variables. [2018-12-09 06:36:33,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:33,679 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:36:33,679 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:33,679 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:36:33,685 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:33,685 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:36:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:33,733 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:33,803 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 24 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 06:36:33,803 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:33,957 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 15 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:33,971 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:36:33,971 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 14] total 27 [2018-12-09 06:36:33,971 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:36:33,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-09 06:36:33,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-09 06:36:33,972 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=571, Unknown=0, NotChecked=0, Total=702 [2018-12-09 06:36:33,972 INFO L87 Difference]: Start difference. First operand 1467 states and 2005 transitions. Second operand 18 states. [2018-12-09 06:36:34,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:34,678 INFO L93 Difference]: Finished difference Result 3758 states and 5205 transitions. [2018-12-09 06:36:34,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-12-09 06:36:34,678 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 51 [2018-12-09 06:36:34,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:34,689 INFO L225 Difference]: With dead ends: 3758 [2018-12-09 06:36:34,689 INFO L226 Difference]: Without dead ends: 3638 [2018-12-09 06:36:34,690 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 98 SyntacticMatches, 2 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 487 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=534, Invalid=1818, Unknown=0, NotChecked=0, Total=2352 [2018-12-09 06:36:34,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3638 states. [2018-12-09 06:36:34,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3638 to 2625. [2018-12-09 06:36:34,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2625 states. [2018-12-09 06:36:34,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2625 states and 3523 transitions. [2018-12-09 06:36:34,751 INFO L78 Accepts]: Start accepts. Automaton has 2625 states and 3523 transitions. Word has length 51 [2018-12-09 06:36:34,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:34,752 INFO L480 AbstractCegarLoop]: Abstraction has 2625 states and 3523 transitions. [2018-12-09 06:36:34,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-09 06:36:34,752 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 3523 transitions. [2018-12-09 06:36:34,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 06:36:34,753 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:34,753 INFO L402 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:34,753 INFO L423 AbstractCegarLoop]: === Iteration 20 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:34,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:34,753 INFO L82 PathProgramCache]: Analyzing trace with hash 926812477, now seen corresponding path program 1 times [2018-12-09 06:36:34,753 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:34,753 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:34,753 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:34,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:34,754 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:34,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:34,806 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 42 proven. 26 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-09 06:36:34,806 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:34,806 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:36:34,806 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 70 with the following transitions: [2018-12-09 06:36:34,806 INFO L205 CegarAbsIntRunner]: [48], [49], [56], [59], [61], [65], [67], [70], [84], [98], [100], [101], [104], [105], [108], [111], [114], [115], [118], [121], [122], [129], [139], [142], [146], [147], [148], [149], [151], [152] [2018-12-09 06:36:34,807 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:36:34,807 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:36:34,849 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:36:34,849 INFO L272 AbstractInterpreter]: Visited 30 different actions 84 times. Merged at 12 different actions 22 times. Never widened. Performed 1001 root evaluator evaluations with a maximum evaluation depth of 8. Performed 1001 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 10 fixpoints after 4 different actions. Largest state had 48 variables. [2018-12-09 06:36:34,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:34,855 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:36:34,855 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:34,855 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:36:34,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:34,862 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:36:34,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:34,909 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:34,989 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 72 proven. 14 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 06:36:34,989 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:35,124 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 54 proven. 40 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 06:36:35,138 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:36:35,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 11, 14] total 23 [2018-12-09 06:36:35,139 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:36:35,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 06:36:35,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 06:36:35,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=412, Unknown=0, NotChecked=0, Total=506 [2018-12-09 06:36:35,139 INFO L87 Difference]: Start difference. First operand 2625 states and 3523 transitions. Second operand 15 states. [2018-12-09 06:36:35,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:35,469 INFO L93 Difference]: Finished difference Result 2208 states and 2762 transitions. [2018-12-09 06:36:35,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-09 06:36:35,469 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 69 [2018-12-09 06:36:35,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:35,472 INFO L225 Difference]: With dead ends: 2208 [2018-12-09 06:36:35,472 INFO L226 Difference]: Without dead ends: 1938 [2018-12-09 06:36:35,472 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 134 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 328 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=406, Invalid=1154, Unknown=0, NotChecked=0, Total=1560 [2018-12-09 06:36:35,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1938 states. [2018-12-09 06:36:35,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1938 to 1893. [2018-12-09 06:36:35,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1893 states. [2018-12-09 06:36:35,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1893 states to 1893 states and 2456 transitions. [2018-12-09 06:36:35,496 INFO L78 Accepts]: Start accepts. Automaton has 1893 states and 2456 transitions. Word has length 69 [2018-12-09 06:36:35,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:35,496 INFO L480 AbstractCegarLoop]: Abstraction has 1893 states and 2456 transitions. [2018-12-09 06:36:35,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 06:36:35,496 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 2456 transitions. [2018-12-09 06:36:35,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-09 06:36:35,497 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:35,497 INFO L402 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:35,497 INFO L423 AbstractCegarLoop]: === Iteration 21 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:35,497 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:35,497 INFO L82 PathProgramCache]: Analyzing trace with hash 927987936, now seen corresponding path program 2 times [2018-12-09 06:36:35,497 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:35,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:35,498 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:35,498 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:35,498 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:35,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:35,559 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 64 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-09 06:36:35,559 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:35,559 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:36:35,560 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-09 06:36:35,560 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-09 06:36:35,560 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:35,560 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:36:35,570 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-09 06:36:35,570 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-09 06:36:35,605 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2018-12-09 06:36:35,605 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-09 06:36:35,607 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:35,676 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 63 proven. 5 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 06:36:35,676 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:35,778 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 63 proven. 5 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 06:36:35,793 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:36:35,794 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 21 [2018-12-09 06:36:35,794 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:36:35,794 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 06:36:35,794 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 06:36:35,794 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2018-12-09 06:36:35,794 INFO L87 Difference]: Start difference. First operand 1893 states and 2456 transitions. Second operand 16 states. [2018-12-09 06:36:36,342 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:36,342 INFO L93 Difference]: Finished difference Result 3108 states and 4170 transitions. [2018-12-09 06:36:36,342 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-09 06:36:36,343 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 69 [2018-12-09 06:36:36,343 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:36,348 INFO L225 Difference]: With dead ends: 3108 [2018-12-09 06:36:36,348 INFO L226 Difference]: Without dead ends: 3108 [2018-12-09 06:36:36,349 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 135 SyntacticMatches, 1 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=319, Invalid=1241, Unknown=0, NotChecked=0, Total=1560 [2018-12-09 06:36:36,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3108 states. [2018-12-09 06:36:36,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3108 to 2304. [2018-12-09 06:36:36,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2304 states. [2018-12-09 06:36:36,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2304 states to 2304 states and 3030 transitions. [2018-12-09 06:36:36,375 INFO L78 Accepts]: Start accepts. Automaton has 2304 states and 3030 transitions. Word has length 69 [2018-12-09 06:36:36,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:36,375 INFO L480 AbstractCegarLoop]: Abstraction has 2304 states and 3030 transitions. [2018-12-09 06:36:36,375 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 06:36:36,375 INFO L276 IsEmpty]: Start isEmpty. Operand 2304 states and 3030 transitions. [2018-12-09 06:36:36,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 06:36:36,376 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:36,376 INFO L402 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:36,376 INFO L423 AbstractCegarLoop]: === Iteration 22 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:36,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:36,376 INFO L82 PathProgramCache]: Analyzing trace with hash -865882750, now seen corresponding path program 1 times [2018-12-09 06:36:36,376 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:36,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:36,377 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 06:36:36,377 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:36,377 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:36,428 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 06:36:36,428 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:36,428 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:36:36,428 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 72 with the following transitions: [2018-12-09 06:36:36,428 INFO L205 CegarAbsIntRunner]: [48], [49], [56], [59], [61], [65], [67], [70], [84], [98], [100], [101], [104], [105], [108], [111], [114], [115], [118], [121], [122], [125], [126], [129], [139], [142], [146], [147], [148], [149], [151], [152] [2018-12-09 06:36:36,429 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:36:36,429 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:36:36,498 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:36:36,498 INFO L272 AbstractInterpreter]: Visited 32 different actions 90 times. Merged at 11 different actions 21 times. Never widened. Performed 1028 root evaluator evaluations with a maximum evaluation depth of 8. Performed 1028 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 14 fixpoints after 7 different actions. Largest state had 48 variables. [2018-12-09 06:36:36,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:36,500 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:36:36,500 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:36,500 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:36:36,508 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:36,508 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:36:36,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:36,549 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:36,573 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 06:36:36,573 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:36,667 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-09 06:36:36,681 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:36:36,682 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2018-12-09 06:36:36,682 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:36:36,682 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 06:36:36,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 06:36:36,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-09 06:36:36,682 INFO L87 Difference]: Start difference. First operand 2304 states and 3030 transitions. Second operand 11 states. [2018-12-09 06:36:36,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:36,862 INFO L93 Difference]: Finished difference Result 3033 states and 4110 transitions. [2018-12-09 06:36:36,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 06:36:36,863 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 71 [2018-12-09 06:36:36,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:36,869 INFO L225 Difference]: With dead ends: 3033 [2018-12-09 06:36:36,869 INFO L226 Difference]: Without dead ends: 3027 [2018-12-09 06:36:36,870 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 140 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=124, Invalid=338, Unknown=0, NotChecked=0, Total=462 [2018-12-09 06:36:36,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3027 states. [2018-12-09 06:36:36,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3027 to 2268. [2018-12-09 06:36:36,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2268 states. [2018-12-09 06:36:36,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2268 states to 2268 states and 2988 transitions. [2018-12-09 06:36:36,901 INFO L78 Accepts]: Start accepts. Automaton has 2268 states and 2988 transitions. Word has length 71 [2018-12-09 06:36:36,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:36,901 INFO L480 AbstractCegarLoop]: Abstraction has 2268 states and 2988 transitions. [2018-12-09 06:36:36,901 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 06:36:36,901 INFO L276 IsEmpty]: Start isEmpty. Operand 2268 states and 2988 transitions. [2018-12-09 06:36:36,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-09 06:36:36,903 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:36,903 INFO L402 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:36,903 INFO L423 AbstractCegarLoop]: === Iteration 23 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:36,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:36,903 INFO L82 PathProgramCache]: Analyzing trace with hash -240979783, now seen corresponding path program 1 times [2018-12-09 06:36:36,903 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:36,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:36,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:36,904 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:36,904 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:36,988 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 64 proven. 18 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-09 06:36:36,988 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:36,988 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:36:36,989 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 73 with the following transitions: [2018-12-09 06:36:36,989 INFO L205 CegarAbsIntRunner]: [48], [49], [56], [59], [61], [65], [67], [70], [84], [98], [100], [101], [104], [105], [108], [111], [114], [115], [118], [121], [122], [129], [132], [135], [139], [142], [146], [147], [148], [149], [151], [152] [2018-12-09 06:36:36,989 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:36:36,990 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:36:37,079 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:36:37,079 INFO L272 AbstractInterpreter]: Visited 32 different actions 158 times. Merged at 14 different actions 52 times. Never widened. Performed 1747 root evaluator evaluations with a maximum evaluation depth of 8. Performed 1747 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 25 fixpoints after 7 different actions. Largest state had 48 variables. [2018-12-09 06:36:37,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:37,081 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:36:37,081 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:37,081 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:36:37,087 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:37,087 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:36:37,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:37,124 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:37,155 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 87 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 06:36:37,155 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:37,246 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 64 proven. 18 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-09 06:36:37,260 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:36:37,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2018-12-09 06:36:37,260 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:36:37,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 06:36:37,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 06:36:37,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-09 06:36:37,261 INFO L87 Difference]: Start difference. First operand 2268 states and 2988 transitions. Second operand 11 states. [2018-12-09 06:36:37,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:37,458 INFO L93 Difference]: Finished difference Result 2826 states and 3755 transitions. [2018-12-09 06:36:37,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 06:36:37,458 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 72 [2018-12-09 06:36:37,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:37,463 INFO L225 Difference]: With dead ends: 2826 [2018-12-09 06:36:37,463 INFO L226 Difference]: Without dead ends: 2826 [2018-12-09 06:36:37,463 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 141 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2018-12-09 06:36:37,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2826 states. [2018-12-09 06:36:37,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2826 to 2529. [2018-12-09 06:36:37,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2529 states. [2018-12-09 06:36:37,487 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2529 states to 2529 states and 3349 transitions. [2018-12-09 06:36:37,487 INFO L78 Accepts]: Start accepts. Automaton has 2529 states and 3349 transitions. Word has length 72 [2018-12-09 06:36:37,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:37,487 INFO L480 AbstractCegarLoop]: Abstraction has 2529 states and 3349 transitions. [2018-12-09 06:36:37,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 06:36:37,487 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 3349 transitions. [2018-12-09 06:36:37,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2018-12-09 06:36:37,488 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:37,489 INFO L402 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:37,489 INFO L423 AbstractCegarLoop]: === Iteration 24 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:37,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:37,489 INFO L82 PathProgramCache]: Analyzing trace with hash 1669727835, now seen corresponding path program 1 times [2018-12-09 06:36:37,489 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:37,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:37,490 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:37,490 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:37,490 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:37,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:37,557 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 57 proven. 26 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 06:36:37,558 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:37,558 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:36:37,558 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 75 with the following transitions: [2018-12-09 06:36:37,558 INFO L205 CegarAbsIntRunner]: [48], [49], [56], [59], [61], [65], [67], [70], [84], [98], [100], [101], [104], [105], [108], [111], [114], [115], [118], [122], [125], [126], [129], [132], [135], [139], [142], [146], [147], [148], [149], [151], [152] [2018-12-09 06:36:37,559 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:36:37,559 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:36:37,618 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:36:37,618 INFO L272 AbstractInterpreter]: Visited 33 different actions 129 times. Merged at 12 different actions 37 times. Never widened. Performed 1393 root evaluator evaluations with a maximum evaluation depth of 8. Performed 1393 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 21 fixpoints after 7 different actions. Largest state had 48 variables. [2018-12-09 06:36:37,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:37,619 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:36:37,619 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:37,619 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:36:37,626 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:37,626 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:36:37,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:37,662 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:37,696 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 89 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 06:36:37,696 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:37,774 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 57 proven. 26 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 06:36:37,789 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:36:37,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 14 [2018-12-09 06:36:37,789 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:36:37,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 06:36:37,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 06:36:37,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-12-09 06:36:37,790 INFO L87 Difference]: Start difference. First operand 2529 states and 3349 transitions. Second operand 11 states. [2018-12-09 06:36:38,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:38,036 INFO L93 Difference]: Finished difference Result 2811 states and 3725 transitions. [2018-12-09 06:36:38,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 06:36:38,036 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 74 [2018-12-09 06:36:38,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:38,042 INFO L225 Difference]: With dead ends: 2811 [2018-12-09 06:36:38,042 INFO L226 Difference]: Without dead ends: 2811 [2018-12-09 06:36:38,042 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 145 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=126, Invalid=336, Unknown=0, NotChecked=0, Total=462 [2018-12-09 06:36:38,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2811 states. [2018-12-09 06:36:38,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2811 to 2790. [2018-12-09 06:36:38,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2790 states. [2018-12-09 06:36:38,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2790 states to 2790 states and 3710 transitions. [2018-12-09 06:36:38,078 INFO L78 Accepts]: Start accepts. Automaton has 2790 states and 3710 transitions. Word has length 74 [2018-12-09 06:36:38,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:38,078 INFO L480 AbstractCegarLoop]: Abstraction has 2790 states and 3710 transitions. [2018-12-09 06:36:38,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 06:36:38,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3710 transitions. [2018-12-09 06:36:38,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 06:36:38,080 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:38,080 INFO L402 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:38,080 INFO L423 AbstractCegarLoop]: === Iteration 25 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:38,080 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:38,080 INFO L82 PathProgramCache]: Analyzing trace with hash -20886586, now seen corresponding path program 1 times [2018-12-09 06:36:38,080 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:38,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:38,081 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:38,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:38,081 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:38,204 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 64 proven. 23 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-09 06:36:38,204 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:38,204 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:36:38,205 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 77 with the following transitions: [2018-12-09 06:36:38,205 INFO L205 CegarAbsIntRunner]: [48], [49], [56], [59], [61], [65], [67], [70], [84], [98], [100], [101], [104], [105], [108], [111], [114], [115], [118], [122], [129], [132], [135], [139], [142], [143], [145], [146], [147], [148], [149], [151], [152] [2018-12-09 06:36:38,206 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:36:38,206 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:36:38,300 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:36:38,300 INFO L272 AbstractInterpreter]: Visited 33 different actions 134 times. Merged at 12 different actions 41 times. Never widened. Performed 1358 root evaluator evaluations with a maximum evaluation depth of 8. Performed 1358 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 22 fixpoints after 6 different actions. Largest state had 48 variables. [2018-12-09 06:36:38,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:38,307 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:36:38,307 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:38,307 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:36:38,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:38,315 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:36:38,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:38,360 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:38,446 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 91 proven. 20 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 06:36:38,447 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:38,591 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 67 proven. 40 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 06:36:38,606 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:36:38,606 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 12] total 24 [2018-12-09 06:36:38,606 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:36:38,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 06:36:38,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 06:36:38,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=463, Unknown=0, NotChecked=0, Total=552 [2018-12-09 06:36:38,606 INFO L87 Difference]: Start difference. First operand 2790 states and 3710 transitions. Second operand 19 states. [2018-12-09 06:36:39,153 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:39,154 INFO L93 Difference]: Finished difference Result 3711 states and 4844 transitions. [2018-12-09 06:36:39,154 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-12-09 06:36:39,154 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 76 [2018-12-09 06:36:39,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:39,159 INFO L225 Difference]: With dead ends: 3711 [2018-12-09 06:36:39,159 INFO L226 Difference]: Without dead ends: 3711 [2018-12-09 06:36:39,160 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 147 SyntacticMatches, 3 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 363 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=416, Invalid=1390, Unknown=0, NotChecked=0, Total=1806 [2018-12-09 06:36:39,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3711 states. [2018-12-09 06:36:39,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3711 to 2970. [2018-12-09 06:36:39,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2970 states. [2018-12-09 06:36:39,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2970 states and 3821 transitions. [2018-12-09 06:36:39,191 INFO L78 Accepts]: Start accepts. Automaton has 2970 states and 3821 transitions. Word has length 76 [2018-12-09 06:36:39,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:39,191 INFO L480 AbstractCegarLoop]: Abstraction has 2970 states and 3821 transitions. [2018-12-09 06:36:39,191 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 06:36:39,191 INFO L276 IsEmpty]: Start isEmpty. Operand 2970 states and 3821 transitions. [2018-12-09 06:36:39,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 06:36:39,192 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:39,192 INFO L402 BasicCegarLoop]: trace histogram [6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:39,192 INFO L423 AbstractCegarLoop]: === Iteration 26 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:39,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:39,192 INFO L82 PathProgramCache]: Analyzing trace with hash 322043436, now seen corresponding path program 1 times [2018-12-09 06:36:39,192 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:39,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:39,193 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:39,193 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:39,193 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:39,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:39,291 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 57 proven. 35 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 06:36:39,291 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:39,291 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 06:36:39,291 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 79 with the following transitions: [2018-12-09 06:36:39,291 INFO L205 CegarAbsIntRunner]: [48], [49], [56], [59], [61], [65], [67], [70], [84], [98], [100], [101], [104], [105], [108], [111], [118], [122], [125], [126], [129], [132], [135], [139], [142], [143], [145], [146], [147], [148], [149], [151], [152] [2018-12-09 06:36:39,292 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 06:36:39,292 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 06:36:39,354 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 06:36:39,354 INFO L272 AbstractInterpreter]: Visited 33 different actions 134 times. Merged at 12 different actions 41 times. Never widened. Performed 1358 root evaluator evaluations with a maximum evaluation depth of 8. Performed 1358 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 22 fixpoints after 6 different actions. Largest state had 48 variables. [2018-12-09 06:36:39,359 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:39,359 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 06:36:39,359 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:39,359 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:36:39,368 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:39,368 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 06:36:39,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:39,408 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:39,486 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 80 proven. 22 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 06:36:39,487 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:39,637 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 45 proven. 63 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 06:36:39,652 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 06:36:39,652 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11, 14] total 27 [2018-12-09 06:36:39,652 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 06:36:39,653 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-09 06:36:39,653 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-09 06:36:39,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=123, Invalid=579, Unknown=0, NotChecked=0, Total=702 [2018-12-09 06:36:39,653 INFO L87 Difference]: Start difference. First operand 2970 states and 3821 transitions. Second operand 19 states. [2018-12-09 06:36:40,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:40,309 INFO L93 Difference]: Finished difference Result 3240 states and 4095 transitions. [2018-12-09 06:36:40,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-12-09 06:36:40,310 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 78 [2018-12-09 06:36:40,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:40,314 INFO L225 Difference]: With dead ends: 3240 [2018-12-09 06:36:40,314 INFO L226 Difference]: Without dead ends: 3156 [2018-12-09 06:36:40,315 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 150 SyntacticMatches, 3 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 528 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=484, Invalid=1868, Unknown=0, NotChecked=0, Total=2352 [2018-12-09 06:36:40,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3156 states. [2018-12-09 06:36:40,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3156 to 3117. [2018-12-09 06:36:40,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3117 states. [2018-12-09 06:36:40,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 3117 states and 3984 transitions. [2018-12-09 06:36:40,353 INFO L78 Accepts]: Start accepts. Automaton has 3117 states and 3984 transitions. Word has length 78 [2018-12-09 06:36:40,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:40,354 INFO L480 AbstractCegarLoop]: Abstraction has 3117 states and 3984 transitions. [2018-12-09 06:36:40,354 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-09 06:36:40,354 INFO L276 IsEmpty]: Start isEmpty. Operand 3117 states and 3984 transitions. [2018-12-09 06:36:40,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-09 06:36:40,354 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:40,354 INFO L402 BasicCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 6, 5, 5, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:40,355 INFO L423 AbstractCegarLoop]: === Iteration 27 === [popErr3REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr4REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr0REQUIRES_VIOLATION, mainErr1REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION]=== [2018-12-09 06:36:40,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:40,355 INFO L82 PathProgramCache]: Analyzing trace with hash -285286003, now seen corresponding path program 1 times [2018-12-09 06:36:40,355 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 06:36:40,355 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:40,355 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:40,356 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 06:36:40,356 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 06:36:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:36:40,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:36:40,409 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 06:36:40,432 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-09 06:36:40,449 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:36:40,450 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:36:40,450 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:36:40,453 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:36:40,453 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:36:40,455 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:36:40,457 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:36:40,458 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:36:40,460 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:36:40,461 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:36:40,462 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:36:40,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:36:40 BoogieIcfgContainer [2018-12-09 06:36:40,473 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 06:36:40,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 06:36:40,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 06:36:40,474 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 06:36:40,474 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:36:26" (3/4) ... [2018-12-09 06:36:40,477 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 06:36:40,477 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 06:36:40,477 INFO L168 Benchmark]: Toolchain (without parser) took 14830.05 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 555.2 MB). Free memory was 948.1 MB in the beginning and 826.8 MB in the end (delta: 121.3 MB). Peak memory consumption was 676.5 MB. Max. memory is 11.5 GB. [2018-12-09 06:36:40,478 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:36:40,479 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2018-12-09 06:36:40,479 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:36:40,479 INFO L168 Benchmark]: Boogie Preprocessor took 18.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-09 06:36:40,480 INFO L168 Benchmark]: RCFGBuilder took 245.24 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-12-09 06:36:40,480 INFO L168 Benchmark]: TraceAbstraction took 14276.60 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 400.6 MB). Free memory was 1.1 GB in the beginning and 826.8 MB in the end (delta: 280.8 MB). Peak memory consumption was 681.4 MB. Max. memory is 11.5 GB. [2018-12-09 06:36:40,480 INFO L168 Benchmark]: Witness Printer took 3.60 ms. Allocated memory is still 1.6 GB. Free memory is still 826.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:36:40,482 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 266.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -191.2 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.35 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.46 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 245.24 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: 24.8 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 14276.60 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 400.6 MB). Free memory was 1.1 GB in the beginning and 826.8 MB in the end (delta: 280.8 MB). Peak memory consumption was 681.4 MB. Max. memory is 11.5 GB. * Witness Printer took 3.60 ms. Allocated memory is still 1.6 GB. Free memory is still 826.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 688]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 688. Possible FailurePath: [L624] struct cell *S; [L625] int pc1 = 1; [L626] int pc4 = 1; [L627] static struct cell *t1 = ((void *)0); [L628] static struct cell *x1 = ((void *)0); [L657] struct cell* garbage; [L658] static struct cell *t4 = ((void *)0); [L659] static struct cell *x4 = ((void *)0); [L662] static int res4; VAL [\old(garbage)=19, \old(garbage)=23, \old(pc1)=14, \old(pc4)=24, \old(res4)=15, \old(S)=16, \old(S)=11, \old(t1)=22, \old(t1)=31, \old(t4)=12, \old(t4)=17, \old(x1)=25, \old(x1)=21, \old(x4)=30, \old(x4)=29, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L690] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L690] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()=1, \old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, __VERIFIER_nondet_int()=1, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L631] pc1++ [L632] case 1: [L633] x1 = malloc(sizeof(*x1)) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, malloc(sizeof(*x1))={10:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L634] x1->data = 0 VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, malloc(sizeof(*x1))={10:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L635] x1->next = ((void *)0) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, malloc(sizeof(*x1))={10:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L692] RET push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()=1, \old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=2, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L631] pc1++ [L632] case 1: [L637] case 2: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=2, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=3, pc1++=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L638] x1->data = 4 VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=2, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=3, pc1++=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L692] RET push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=3, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()=1, \old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=3, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=3, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=3, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L631] pc1++ [L632] case 1: [L637] case 2: [L640] case 3: [L641] t1 = S VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=3, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=4, pc1++=3, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L692] RET push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=4, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()=1, \old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=4, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=4, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=4, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L631] pc1++ [L632] case 1: [L637] case 2: [L640] case 3: [L643] case 4: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=4, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=5, pc1++=4, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L644] x1->next = t1 VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=4, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=5, pc1++=4, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L692] RET push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=5, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()=1, \old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=5, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=5, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=5, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L631] pc1++ [L632] case 1: [L637] case 2: [L640] case 3: [L643] case 4: [L646] case 5: VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=5, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=6, pc1++=5, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L647] COND TRUE S == t1 [L648] S = x1 VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=5, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=6, pc1++=5, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L692] RET push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=6, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()=1, \old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=6, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=6, \old(pc4)=1, \old(res4)=0, \old(S)=10, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=10, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=6, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L631] pc1++ [L632] case 1: [L637] case 2: [L640] case 3: [L643] case 4: [L646] case 5: [L652] case 6: [L653] pc1 = 1 VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=6, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=10, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=10, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=1, pc1++=6, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L692] RET push() VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=1, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L690] 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() VAL [1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()=0, \old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, __VERIFIER_nondet_int()=0, garbage={0:0}, pc1=1, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L690] COND FALSE !(1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()) [L696] COND FALSE !(\read(*garbage)) VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, garbage={0:0}, pc1=1, pc4=1, res4=0, S={10:0}, t1={0:0}, t4={0:0}, x1={10:0}, x4={0:0}] [L701] S = ((void *)0) [L702] t1 = ((void *)0) [L703] x1 = ((void *)0) [L704] t4 = ((void *)0) [L705] x4 = ((void *)0) [L706] return !!garbage; VAL [\old(garbage)=0, \old(garbage)=0, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=0, \old(S)=0, \old(t1)=0, \old(t1)=0, \old(t4)=0, \old(t4)=0, \old(x1)=0, \old(x1)=0, \old(x4)=0, \old(x4)=0, \result=0, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 72 locations, 19 error locations. UNSAFE Result, 14.2s OverallTime, 27 OverallIterations, 7 TraceHistogramMax, 7.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2531 SDtfs, 6085 SDslu, 5306 SDs, 0 SdLazy, 7684 SolverSat, 1309 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.6s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2184 GetRequests, 1673 SyntacticMatches, 39 SemanticMatches, 472 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2908 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3117occurred in iteration=26, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.0s AbstIntTime, 16 AbstIntIterations, 2 AbstIntStrong, 0.9924349449924894 AbsIntWeakeningRatio, 1.173913043478261 AbsIntAvgWeakeningVarsNumRemoved, 6.521739130434782 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 26 MinimizatonAttempts, 5400 StatesRemovedByMinimization, 24 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.5s InterpolantComputationTime, 1925 NumberOfCodeBlocks, 1892 NumberOfCodeBlocksAsserted, 44 NumberOfCheckSat, 2622 ConstructedInterpolants, 0 QuantifiedInterpolants, 376374 SizeOfPredicates, 94 NumberOfNonLiveVariables, 6842 ConjunctsInSsa, 200 ConjunctsInUnsatCore, 56 InterpolantComputations, 11 PerfectInterpolantSequences, 2540/3128 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request... ### Bit-precise run ### This is Ultimate 0.1.23-635dfa2 [2018-12-09 06:36:41,824 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 06:36:41,825 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 06:36:41,831 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 06:36:41,831 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 06:36:41,832 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 06:36:41,832 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 06:36:41,833 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 06:36:41,834 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 06:36:41,834 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 06:36:41,835 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 06:36:41,835 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 06:36:41,835 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 06:36:41,836 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 06:36:41,836 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 06:36:41,836 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 06:36:41,837 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 06:36:41,838 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 06:36:41,839 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 06:36:41,840 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 06:36:41,840 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 06:36:41,841 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 06:36:41,842 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 06:36:41,842 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 06:36:41,842 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 06:36:41,842 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 06:36:41,843 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 06:36:41,843 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 06:36:41,844 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 06:36:41,844 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 06:36:41,844 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 06:36:41,845 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 06:36:41,845 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 06:36:41,845 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 06:36:41,845 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 06:36:41,846 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 06:36:41,846 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/config/svcomp-DerefFreeMemtrack-32bit-Taipan_Bitvector.epf [2018-12-09 06:36:41,856 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 06:36:41,857 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 06:36:41,857 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 06:36:41,857 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 06:36:41,857 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 06:36:41,858 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 06:36:41,858 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 06:36:41,858 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 06:36:41,858 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 06:36:41,858 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 06:36:41,859 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 06:36:41,859 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 06:36:41,859 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 06:36:41,859 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 06:36:41,859 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-12-09 06:36:41,859 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 06:36:41,859 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 06:36:41,860 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 06:36:41,860 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-12-09 06:36:41,860 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-12-09 06:36:41,860 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-12-09 06:36:41,860 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 06:36:41,860 INFO L133 SettingsManager]: * Use bitvectors instead of ints=true [2018-12-09 06:36:41,860 INFO L133 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2018-12-09 06:36:41,861 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 06:36:41,861 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 06:36:41,861 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 06:36:41,861 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 06:36:41,861 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 06:36:41,861 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 06:36:41,861 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 06:36:41,861 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 06:36:41,862 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 06:36:41,862 INFO L133 SettingsManager]: * Trace refinement strategy=WALRUS [2018-12-09 06:36:41,862 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 06:36:41,862 INFO L133 SettingsManager]: * Command for external solver=cvc4 --incremental --rewrite-divk --print-success --lang smt [2018-12-09 06:36:41,862 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_030e3ee4-17bd-4e4a-aca4-b68335645655/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 -> 1cf39fe39780d3a80771c5bc79874b49e3ac2315 [2018-12-09 06:36:41,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 06:36:41,890 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 06:36:41,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 06:36:41,893 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 06:36:41,893 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 06:36:41,894 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/../../sv-benchmarks/c/memsafety/lockfree-3.1_false-valid-memtrack.i [2018-12-09 06:36:41,929 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/data/8a392ef37/3980d2b7045e4a19b8e80498b9e2683f/FLAG63350d49c [2018-12-09 06:36:42,269 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 06:36:42,269 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/sv-benchmarks/c/memsafety/lockfree-3.1_false-valid-memtrack.i [2018-12-09 06:36:42,275 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/data/8a392ef37/3980d2b7045e4a19b8e80498b9e2683f/FLAG63350d49c [2018-12-09 06:36:42,659 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/data/8a392ef37/3980d2b7045e4a19b8e80498b9e2683f [2018-12-09 06:36:42,662 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 06:36:42,663 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 06:36:42,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 06:36:42,665 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 06:36:42,668 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 06:36:42,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:36:42" (1/1) ... [2018-12-09 06:36:42,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@785ac8b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:42, skipping insertion in model container [2018-12-09 06:36:42,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:36:42" (1/1) ... [2018-12-09 06:36:42,680 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 06:36:42,700 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 06:36:42,849 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:36:42,858 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 06:36:42,885 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 06:36:42,942 INFO L195 MainTranslator]: Completed translation [2018-12-09 06:36:42,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:42 WrapperNode [2018-12-09 06:36:42,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 06:36:42,943 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 06:36:42,943 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 06:36:42,943 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 06:36:42,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:42" (1/1) ... [2018-12-09 06:36:42,958 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:42" (1/1) ... [2018-12-09 06:36:42,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 06:36:42,962 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 06:36:42,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 06:36:42,963 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 06:36:42,968 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:42" (1/1) ... [2018-12-09 06:36:42,968 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:42" (1/1) ... [2018-12-09 06:36:42,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:42" (1/1) ... [2018-12-09 06:36:42,971 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:42" (1/1) ... [2018-12-09 06:36:42,977 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:42" (1/1) ... [2018-12-09 06:36:42,980 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:42" (1/1) ... [2018-12-09 06:36:42,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:42" (1/1) ... [2018-12-09 06:36:42,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 06:36:42,983 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 06:36:42,983 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 06:36:42,983 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 06:36:42,984 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/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 [2018-12-09 06:36:43,014 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 06:36:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2018-12-09 06:36:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure push [2018-12-09 06:36:43,015 INFO L138 BoogieDeclarations]: Found implementation of procedure push [2018-12-09 06:36:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure pop [2018-12-09 06:36:43,015 INFO L138 BoogieDeclarations]: Found implementation of procedure pop [2018-12-09 06:36:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 06:36:43,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 06:36:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 06:36:43,015 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 06:36:43,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-12-09 06:36:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-12-09 06:36:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 06:36:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2018-12-09 06:36:43,016 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 06:36:43,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 06:36:43,279 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 06:36:43,279 INFO L280 CfgBuilder]: Removed 2 assue(true) statements. [2018-12-09 06:36:43,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:36:43 BoogieIcfgContainer [2018-12-09 06:36:43,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 06:36:43,280 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 06:36:43,280 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 06:36:43,282 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 06:36:43,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:36:42" (1/3) ... [2018-12-09 06:36:43,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7664b39a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:36:43, skipping insertion in model container [2018-12-09 06:36:43,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:36:42" (2/3) ... [2018-12-09 06:36:43,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7664b39a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:36:43, skipping insertion in model container [2018-12-09 06:36:43,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:36:43" (3/3) ... [2018-12-09 06:36:43,283 INFO L112 eAbstractionObserver]: Analyzing ICFG lockfree-3.1_false-valid-memtrack.i [2018-12-09 06:36:43,289 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 06:36:43,294 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-12-09 06:36:43,302 INFO L257 AbstractCegarLoop]: Starting to check reachability of 19 error locations. [2018-12-09 06:36:43,316 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-09 06:36:43,317 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 06:36:43,317 INFO L383 AbstractCegarLoop]: Hoare is false [2018-12-09 06:36:43,317 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 06:36:43,317 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 06:36:43,317 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 06:36:43,317 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 06:36:43,317 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 06:36:43,317 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 06:36:43,326 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states. [2018-12-09 06:36:43,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 06:36:43,331 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:43,331 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:43,333 INFO L423 AbstractCegarLoop]: === Iteration 1 === [popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-12-09 06:36:43,335 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:43,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1439294725, now seen corresponding path program 1 times [2018-12-09 06:36:43,338 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 06:36:43,338 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/cvc4 Starting monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 06:36:43,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:43,498 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:43,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:43,508 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 06:36:43,511 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:36:43,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 06:36:43,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-12-09 06:36:43,521 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-12-09 06:36:43,521 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 06:36:43,522 INFO L87 Difference]: Start difference. First operand 70 states. Second operand 2 states. [2018-12-09 06:36:43,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:43,534 INFO L93 Difference]: Finished difference Result 70 states and 86 transitions. [2018-12-09 06:36:43,534 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-12-09 06:36:43,535 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 8 [2018-12-09 06:36:43,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:43,541 INFO L225 Difference]: With dead ends: 70 [2018-12-09 06:36:43,541 INFO L226 Difference]: Without dead ends: 67 [2018-12-09 06:36:43,542 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-12-09 06:36:43,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2018-12-09 06:36:43,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2018-12-09 06:36:43,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 67 states. [2018-12-09 06:36:43,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 83 transitions. [2018-12-09 06:36:43,565 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 83 transitions. Word has length 8 [2018-12-09 06:36:43,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:43,565 INFO L480 AbstractCegarLoop]: Abstraction has 67 states and 83 transitions. [2018-12-09 06:36:43,565 INFO L481 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-12-09 06:36:43,566 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 83 transitions. [2018-12-09 06:36:43,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 06:36:43,566 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:43,566 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:43,566 INFO L423 AbstractCegarLoop]: === Iteration 2 === [popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-12-09 06:36:43,567 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:43,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1439306257, now seen corresponding path program 1 times [2018-12-09 06:36:43,567 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 06:36:43,567 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/cvc4 Starting monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 06:36:43,580 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:43,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:43,608 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:43,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:43,627 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 06:36:43,628 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:36:43,629 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 06:36:43,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:36:43,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:36:43,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:36:43,630 INFO L87 Difference]: Start difference. First operand 67 states and 83 transitions. Second operand 3 states. [2018-12-09 06:36:43,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:43,664 INFO L93 Difference]: Finished difference Result 118 states and 151 transitions. [2018-12-09 06:36:43,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:36:43,665 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-12-09 06:36:43,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:43,666 INFO L225 Difference]: With dead ends: 118 [2018-12-09 06:36:43,667 INFO L226 Difference]: Without dead ends: 118 [2018-12-09 06:36:43,667 INFO L631 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 [2018-12-09 06:36:43,667 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2018-12-09 06:36:43,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 100. [2018-12-09 06:36:43,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2018-12-09 06:36:43,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 143 transitions. [2018-12-09 06:36:43,675 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 143 transitions. Word has length 8 [2018-12-09 06:36:43,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:43,676 INFO L480 AbstractCegarLoop]: Abstraction has 100 states and 143 transitions. [2018-12-09 06:36:43,676 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:36:43,676 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 143 transitions. [2018-12-09 06:36:43,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 06:36:43,676 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:43,676 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:43,676 INFO L423 AbstractCegarLoop]: === Iteration 3 === [popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-12-09 06:36:43,677 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:43,677 INFO L82 PathProgramCache]: Analyzing trace with hash -1668822526, now seen corresponding path program 1 times [2018-12-09 06:36:43,677 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 06:36:43,677 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/cvc4 Starting monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 06:36:43,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:43,723 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:43,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:43,728 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 06:36:43,729 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:36:43,729 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 06:36:43,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:36:43,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:36:43,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:36:43,730 INFO L87 Difference]: Start difference. First operand 100 states and 143 transitions. Second operand 3 states. [2018-12-09 06:36:43,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:43,828 INFO L93 Difference]: Finished difference Result 124 states and 178 transitions. [2018-12-09 06:36:43,828 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:36:43,828 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-12-09 06:36:43,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:43,829 INFO L225 Difference]: With dead ends: 124 [2018-12-09 06:36:43,829 INFO L226 Difference]: Without dead ends: 121 [2018-12-09 06:36:43,830 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:36:43,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2018-12-09 06:36:43,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 113. [2018-12-09 06:36:43,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-12-09 06:36:43,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 166 transitions. [2018-12-09 06:36:43,837 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 166 transitions. Word has length 9 [2018-12-09 06:36:43,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:43,837 INFO L480 AbstractCegarLoop]: Abstraction has 113 states and 166 transitions. [2018-12-09 06:36:43,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:36:43,838 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 166 transitions. [2018-12-09 06:36:43,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 06:36:43,838 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:43,838 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:43,838 INFO L423 AbstractCegarLoop]: === Iteration 4 === [popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-12-09 06:36:43,838 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:43,838 INFO L82 PathProgramCache]: Analyzing trace with hash -1669734080, now seen corresponding path program 1 times [2018-12-09 06:36:43,839 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 06:36:43,839 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/cvc4 Starting monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 06:36:43,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:43,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:43,917 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:43,940 INFO L478 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 [2018-12-09 06:36:43,941 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 06:36:43,943 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 06:36:43,943 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:6, output treesize:5 [2018-12-09 06:36:43,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:43,946 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 06:36:43,947 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:36:43,947 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 06:36:43,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:36:43,948 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:36:43,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:36:43,948 INFO L87 Difference]: Start difference. First operand 113 states and 166 transitions. Second operand 3 states. [2018-12-09 06:36:44,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:44,077 INFO L93 Difference]: Finished difference Result 194 states and 286 transitions. [2018-12-09 06:36:44,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:36:44,078 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-12-09 06:36:44,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:44,079 INFO L225 Difference]: With dead ends: 194 [2018-12-09 06:36:44,079 INFO L226 Difference]: Without dead ends: 194 [2018-12-09 06:36:44,080 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:36:44,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2018-12-09 06:36:44,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 175. [2018-12-09 06:36:44,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2018-12-09 06:36:44,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 274 transitions. [2018-12-09 06:36:44,090 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 274 transitions. Word has length 11 [2018-12-09 06:36:44,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:44,090 INFO L480 AbstractCegarLoop]: Abstraction has 175 states and 274 transitions. [2018-12-09 06:36:44,090 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:36:44,090 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 274 transitions. [2018-12-09 06:36:44,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-12-09 06:36:44,090 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:44,090 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:44,090 INFO L423 AbstractCegarLoop]: === Iteration 5 === [popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-12-09 06:36:44,091 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:44,091 INFO L82 PathProgramCache]: Analyzing trace with hash -1669734079, now seen corresponding path program 1 times [2018-12-09 06:36:44,091 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 06:36:44,091 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/cvc4 Starting monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 06:36:44,110 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:44,186 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:44,192 INFO L478 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 [2018-12-09 06:36:44,192 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-12-09 06:36:44,196 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-12-09 06:36:44,196 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:10, output treesize:9 [2018-12-09 06:36:44,204 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:44,204 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 06:36:44,205 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:36:44,205 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-12-09 06:36:44,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 06:36:44,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 06:36:44,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:36:44,206 INFO L87 Difference]: Start difference. First operand 175 states and 274 transitions. Second operand 3 states. [2018-12-09 06:36:44,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:44,315 INFO L93 Difference]: Finished difference Result 245 states and 369 transitions. [2018-12-09 06:36:44,315 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 06:36:44,315 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-12-09 06:36:44,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:44,317 INFO L225 Difference]: With dead ends: 245 [2018-12-09 06:36:44,317 INFO L226 Difference]: Without dead ends: 245 [2018-12-09 06:36:44,317 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 06:36:44,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2018-12-09 06:36:44,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 229. [2018-12-09 06:36:44,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 229 states. [2018-12-09 06:36:44,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 229 states and 358 transitions. [2018-12-09 06:36:44,333 INFO L78 Accepts]: Start accepts. Automaton has 229 states and 358 transitions. Word has length 11 [2018-12-09 06:36:44,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:44,333 INFO L480 AbstractCegarLoop]: Abstraction has 229 states and 358 transitions. [2018-12-09 06:36:44,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 06:36:44,333 INFO L276 IsEmpty]: Start isEmpty. Operand 229 states and 358 transitions. [2018-12-09 06:36:44,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-12-09 06:36:44,334 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:44,334 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:44,334 INFO L423 AbstractCegarLoop]: === Iteration 6 === [popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-12-09 06:36:44,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:44,335 INFO L82 PathProgramCache]: Analyzing trace with hash -222141844, now seen corresponding path program 1 times [2018-12-09 06:36:44,335 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 06:36:44,335 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/cvc4 Starting monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 06:36:44,347 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:44,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:44,378 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:44,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:44,387 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 06:36:44,388 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:36:44,388 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 06:36:44,389 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 06:36:44,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 06:36:44,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 06:36:44,389 INFO L87 Difference]: Start difference. First operand 229 states and 358 transitions. Second operand 4 states. [2018-12-09 06:36:44,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:44,421 INFO L93 Difference]: Finished difference Result 195 states and 281 transitions. [2018-12-09 06:36:44,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 06:36:44,421 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 12 [2018-12-09 06:36:44,421 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:44,422 INFO L225 Difference]: With dead ends: 195 [2018-12-09 06:36:44,422 INFO L226 Difference]: Without dead ends: 195 [2018-12-09 06:36:44,422 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 06:36:44,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2018-12-09 06:36:44,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 179. [2018-12-09 06:36:44,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 179 states. [2018-12-09 06:36:44,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 269 transitions. [2018-12-09 06:36:44,431 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 269 transitions. Word has length 12 [2018-12-09 06:36:44,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:44,431 INFO L480 AbstractCegarLoop]: Abstraction has 179 states and 269 transitions. [2018-12-09 06:36:44,431 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 06:36:44,431 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 269 transitions. [2018-12-09 06:36:44,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 06:36:44,431 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:44,431 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:44,432 INFO L423 AbstractCegarLoop]: === Iteration 7 === [popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-12-09 06:36:44,432 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:44,432 INFO L82 PathProgramCache]: Analyzing trace with hash 38457197, now seen corresponding path program 1 times [2018-12-09 06:36:44,432 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 06:36:44,432 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/cvc4 Starting monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 06:36:44,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:44,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:44,477 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:44,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:44,492 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 06:36:44,493 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 06:36:44,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 06:36:44,493 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 06:36:44,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 06:36:44,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 06:36:44,494 INFO L87 Difference]: Start difference. First operand 179 states and 269 transitions. Second operand 4 states. [2018-12-09 06:36:44,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:44,524 INFO L93 Difference]: Finished difference Result 279 states and 402 transitions. [2018-12-09 06:36:44,524 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 06:36:44,524 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 13 [2018-12-09 06:36:44,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:44,525 INFO L225 Difference]: With dead ends: 279 [2018-12-09 06:36:44,525 INFO L226 Difference]: Without dead ends: 279 [2018-12-09 06:36:44,525 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 06:36:44,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2018-12-09 06:36:44,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 279. [2018-12-09 06:36:44,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 279 states. [2018-12-09 06:36:44,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 279 states and 402 transitions. [2018-12-09 06:36:44,538 INFO L78 Accepts]: Start accepts. Automaton has 279 states and 402 transitions. Word has length 13 [2018-12-09 06:36:44,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:44,538 INFO L480 AbstractCegarLoop]: Abstraction has 279 states and 402 transitions. [2018-12-09 06:36:44,538 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 06:36:44,538 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 402 transitions. [2018-12-09 06:36:44,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-12-09 06:36:44,539 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:44,539 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:44,539 INFO L423 AbstractCegarLoop]: === Iteration 8 === [popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-12-09 06:36:44,540 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:44,540 INFO L82 PathProgramCache]: Analyzing trace with hash 1717494497, now seen corresponding path program 1 times [2018-12-09 06:36:44,540 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 06:36:44,540 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/cvc4 Starting monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 06:36:44,553 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:44,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:44,604 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:44,633 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:44,633 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:44,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:44,705 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:44,705 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:36:44,712 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:44,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:44,736 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:44,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:44,739 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:44,773 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:44,787 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-12-09 06:36:44,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6] total 10 [2018-12-09 06:36:44,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 06:36:44,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 06:36:44,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 06:36:44,788 INFO L87 Difference]: Start difference. First operand 279 states and 402 transitions. Second operand 10 states. [2018-12-09 06:36:45,287 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:45,287 INFO L93 Difference]: Finished difference Result 686 states and 1006 transitions. [2018-12-09 06:36:45,288 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 06:36:45,288 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 18 [2018-12-09 06:36:45,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:45,290 INFO L225 Difference]: With dead ends: 686 [2018-12-09 06:36:45,290 INFO L226 Difference]: Without dead ends: 686 [2018-12-09 06:36:45,291 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2018-12-09 06:36:45,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 686 states. [2018-12-09 06:36:45,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 686 to 585. [2018-12-09 06:36:45,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 585 states. [2018-12-09 06:36:45,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 585 states to 585 states and 863 transitions. [2018-12-09 06:36:45,310 INFO L78 Accepts]: Start accepts. Automaton has 585 states and 863 transitions. Word has length 18 [2018-12-09 06:36:45,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:45,310 INFO L480 AbstractCegarLoop]: Abstraction has 585 states and 863 transitions. [2018-12-09 06:36:45,310 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 06:36:45,310 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 863 transitions. [2018-12-09 06:36:45,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 06:36:45,311 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:45,311 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:45,312 INFO L423 AbstractCegarLoop]: === Iteration 9 === [popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-12-09 06:36:45,312 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:45,312 INFO L82 PathProgramCache]: Analyzing trace with hash 2005054982, now seen corresponding path program 1 times [2018-12-09 06:36:45,312 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 06:36:45,312 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/cvc4 Starting monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 06:36:45,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:45,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:45,358 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:45,397 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:45,397 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:45,456 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:45,458 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:45,458 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:36:45,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:45,489 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:45,505 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:45,506 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:45,585 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:45,600 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-12-09 06:36:45,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8] total 16 [2018-12-09 06:36:45,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-09 06:36:45,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-09 06:36:45,601 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=196, Unknown=0, NotChecked=0, Total=240 [2018-12-09 06:36:45,601 INFO L87 Difference]: Start difference. First operand 585 states and 863 transitions. Second operand 16 states. [2018-12-09 06:36:46,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:46,569 INFO L93 Difference]: Finished difference Result 1609 states and 2388 transitions. [2018-12-09 06:36:46,569 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2018-12-09 06:36:46,569 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 20 [2018-12-09 06:36:46,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:46,573 INFO L225 Difference]: With dead ends: 1609 [2018-12-09 06:36:46,573 INFO L226 Difference]: Without dead ends: 1609 [2018-12-09 06:36:46,573 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 58 SyntacticMatches, 6 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 189 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=223, Invalid=967, Unknown=0, NotChecked=0, Total=1190 [2018-12-09 06:36:46,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1609 states. [2018-12-09 06:36:46,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1609 to 1491. [2018-12-09 06:36:46,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1491 states. [2018-12-09 06:36:46,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1491 states to 1491 states and 2205 transitions. [2018-12-09 06:36:46,605 INFO L78 Accepts]: Start accepts. Automaton has 1491 states and 2205 transitions. Word has length 20 [2018-12-09 06:36:46,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:46,605 INFO L480 AbstractCegarLoop]: Abstraction has 1491 states and 2205 transitions. [2018-12-09 06:36:46,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-09 06:36:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1491 states and 2205 transitions. [2018-12-09 06:36:46,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-12-09 06:36:46,606 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:46,606 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:46,606 INFO L423 AbstractCegarLoop]: === Iteration 10 === [popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-12-09 06:36:46,606 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:46,606 INFO L82 PathProgramCache]: Analyzing trace with hash 2099980339, now seen corresponding path program 1 times [2018-12-09 06:36:46,606 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 06:36:46,606 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/cvc4 Starting monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 06:36:46,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:46,726 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:46,779 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:46,779 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:46,881 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:46,884 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:46,884 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:36:46,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:46,915 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:46,920 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:46,920 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:46,983 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 11 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:47,007 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-12-09 06:36:47,007 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8, 8] total 12 [2018-12-09 06:36:47,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 06:36:47,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 06:36:47,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2018-12-09 06:36:47,008 INFO L87 Difference]: Start difference. First operand 1491 states and 2205 transitions. Second operand 12 states. [2018-12-09 06:36:47,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:47,634 INFO L93 Difference]: Finished difference Result 2136 states and 2984 transitions. [2018-12-09 06:36:47,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-09 06:36:47,634 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 29 [2018-12-09 06:36:47,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:47,639 INFO L225 Difference]: With dead ends: 2136 [2018-12-09 06:36:47,639 INFO L226 Difference]: Without dead ends: 2136 [2018-12-09 06:36:47,640 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2018-12-09 06:36:47,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2136 states. [2018-12-09 06:36:47,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2136 to 1773. [2018-12-09 06:36:47,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1773 states. [2018-12-09 06:36:47,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1773 states and 2555 transitions. [2018-12-09 06:36:47,690 INFO L78 Accepts]: Start accepts. Automaton has 1773 states and 2555 transitions. Word has length 29 [2018-12-09 06:36:47,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:47,690 INFO L480 AbstractCegarLoop]: Abstraction has 1773 states and 2555 transitions. [2018-12-09 06:36:47,690 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 06:36:47,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2555 transitions. [2018-12-09 06:36:47,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-12-09 06:36:47,690 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:47,691 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:47,691 INFO L423 AbstractCegarLoop]: === Iteration 11 === [popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-12-09 06:36:47,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:47,691 INFO L82 PathProgramCache]: Analyzing trace with hash 546475081, now seen corresponding path program 1 times [2018-12-09 06:36:47,691 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 06:36:47,691 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/cvc4 Starting monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 06:36:47,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:47,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:47,747 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:47,792 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 06:36:47,792 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:47,896 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:47,898 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:47,898 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:36:47,904 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:47,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:47,939 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:47,981 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 06:36:47,981 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:48,159 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:36:48,184 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-12-09 06:36:48,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 10, 9, 10] total 22 [2018-12-09 06:36:48,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2018-12-09 06:36:48,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2018-12-09 06:36:48,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=384, Unknown=0, NotChecked=0, Total=462 [2018-12-09 06:36:48,185 INFO L87 Difference]: Start difference. First operand 1773 states and 2555 transitions. Second operand 22 states. [2018-12-09 06:36:49,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:49,690 INFO L93 Difference]: Finished difference Result 2079 states and 2775 transitions. [2018-12-09 06:36:49,690 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-12-09 06:36:49,691 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 30 [2018-12-09 06:36:49,691 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:49,694 INFO L225 Difference]: With dead ends: 2079 [2018-12-09 06:36:49,694 INFO L226 Difference]: Without dead ends: 1799 [2018-12-09 06:36:49,695 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 96 SyntacticMatches, 2 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 594 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=647, Invalid=2109, Unknown=0, NotChecked=0, Total=2756 [2018-12-09 06:36:49,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1799 states. [2018-12-09 06:36:49,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1799 to 1639. [2018-12-09 06:36:49,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1639 states. [2018-12-09 06:36:49,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1639 states and 2267 transitions. [2018-12-09 06:36:49,726 INFO L78 Accepts]: Start accepts. Automaton has 1639 states and 2267 transitions. Word has length 30 [2018-12-09 06:36:49,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:49,726 INFO L480 AbstractCegarLoop]: Abstraction has 1639 states and 2267 transitions. [2018-12-09 06:36:49,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 22 states. [2018-12-09 06:36:49,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 2267 transitions. [2018-12-09 06:36:49,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 06:36:49,727 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:49,728 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:49,728 INFO L423 AbstractCegarLoop]: === Iteration 12 === [popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-12-09 06:36:49,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:49,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1788517337, now seen corresponding path program 1 times [2018-12-09 06:36:49,728 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 06:36:49,729 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/cvc4 Starting monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 06:36:49,748 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:49,821 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:49,864 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 28 proven. 17 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-12-09 06:36:49,865 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:50,052 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 12 proven. 39 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 06:36:50,054 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:50,054 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:36:50,059 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:50,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:50,093 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:50,128 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 06:36:50,128 INFO L312 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2018-12-09 06:36:50,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-09 06:36:50,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9, 12] total 20 [2018-12-09 06:36:50,143 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-09 06:36:50,143 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-09 06:36:50,143 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2018-12-09 06:36:50,144 INFO L87 Difference]: Start difference. First operand 1639 states and 2267 transitions. Second operand 20 states. [2018-12-09 06:36:51,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:51,498 INFO L93 Difference]: Finished difference Result 3482 states and 5000 transitions. [2018-12-09 06:36:51,498 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-09 06:36:51,498 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 45 [2018-12-09 06:36:51,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:51,505 INFO L225 Difference]: With dead ends: 3482 [2018-12-09 06:36:51,506 INFO L226 Difference]: Without dead ends: 3426 [2018-12-09 06:36:51,506 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 129 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 364 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=424, Invalid=1382, Unknown=0, NotChecked=0, Total=1806 [2018-12-09 06:36:51,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3426 states. [2018-12-09 06:36:51,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3426 to 3376. [2018-12-09 06:36:51,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3376 states. [2018-12-09 06:36:51,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3376 states to 3376 states and 4930 transitions. [2018-12-09 06:36:51,557 INFO L78 Accepts]: Start accepts. Automaton has 3376 states and 4930 transitions. Word has length 45 [2018-12-09 06:36:51,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:51,557 INFO L480 AbstractCegarLoop]: Abstraction has 3376 states and 4930 transitions. [2018-12-09 06:36:51,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-09 06:36:51,557 INFO L276 IsEmpty]: Start isEmpty. Operand 3376 states and 4930 transitions. [2018-12-09 06:36:51,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 06:36:51,558 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:51,558 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:51,559 INFO L423 AbstractCegarLoop]: === Iteration 13 === [popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-12-09 06:36:51,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:51,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1601842735, now seen corresponding path program 1 times [2018-12-09 06:36:51,559 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 06:36:51,559 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/cvc4 Starting monitored process 19 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 06:36:51,572 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:51,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:51,634 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:51,692 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 51 proven. 17 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 06:36:51,692 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:51,888 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 21 proven. 53 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-09 06:36:51,890 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:51,890 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:36:51,895 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:51,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:51,932 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:51,972 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 5 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 06:36:51,972 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:52,072 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 35 proven. 25 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-09 06:36:52,087 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-12-09 06:36:52,087 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 13, 9, 9] total 24 [2018-12-09 06:36:52,087 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-12-09 06:36:52,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-12-09 06:36:52,088 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=466, Unknown=0, NotChecked=0, Total=552 [2018-12-09 06:36:52,088 INFO L87 Difference]: Start difference. First operand 3376 states and 4930 transitions. Second operand 24 states. [2018-12-09 06:36:54,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:54,945 INFO L93 Difference]: Finished difference Result 8831 states and 13425 transitions. [2018-12-09 06:36:54,946 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-12-09 06:36:54,946 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 57 [2018-12-09 06:36:54,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:54,966 INFO L225 Difference]: With dead ends: 8831 [2018-12-09 06:36:54,966 INFO L226 Difference]: Without dead ends: 8733 [2018-12-09 06:36:54,967 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 218 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 547 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=634, Invalid=2228, Unknown=0, NotChecked=0, Total=2862 [2018-12-09 06:36:54,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8733 states. [2018-12-09 06:36:55,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8733 to 7828. [2018-12-09 06:36:55,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7828 states. [2018-12-09 06:36:55,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7828 states to 7828 states and 11898 transitions. [2018-12-09 06:36:55,102 INFO L78 Accepts]: Start accepts. Automaton has 7828 states and 11898 transitions. Word has length 57 [2018-12-09 06:36:55,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:55,102 INFO L480 AbstractCegarLoop]: Abstraction has 7828 states and 11898 transitions. [2018-12-09 06:36:55,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-12-09 06:36:55,102 INFO L276 IsEmpty]: Start isEmpty. Operand 7828 states and 11898 transitions. [2018-12-09 06:36:55,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-09 06:36:55,103 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:55,103 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:55,104 INFO L423 AbstractCegarLoop]: === Iteration 14 === [popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-12-09 06:36:55,104 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:55,104 INFO L82 PathProgramCache]: Analyzing trace with hash 438669423, now seen corresponding path program 1 times [2018-12-09 06:36:55,104 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 06:36:55,104 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/cvc4 Starting monitored process 21 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 06:36:55,123 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:55,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:55,188 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:55,262 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 37 proven. 30 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 06:36:55,262 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:55,533 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 16 proven. 67 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 06:36:55,534 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:36:55,534 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:36:55,551 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:36:55,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:36:55,583 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:36:55,629 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 63 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-09 06:36:55,629 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:36:55,731 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 42 proven. 16 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 06:36:55,746 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-12-09 06:36:55,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 16, 9, 9] total 28 [2018-12-09 06:36:55,747 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-12-09 06:36:55,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-12-09 06:36:55,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=639, Unknown=0, NotChecked=0, Total=756 [2018-12-09 06:36:55,747 INFO L87 Difference]: Start difference. First operand 7828 states and 11898 transitions. Second operand 28 states. [2018-12-09 06:36:59,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:36:59,631 INFO L93 Difference]: Finished difference Result 17139 states and 26517 transitions. [2018-12-09 06:36:59,632 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2018-12-09 06:36:59,632 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 57 [2018-12-09 06:36:59,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:36:59,672 INFO L225 Difference]: With dead ends: 17139 [2018-12-09 06:36:59,672 INFO L226 Difference]: Without dead ends: 16929 [2018-12-09 06:36:59,673 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 288 GetRequests, 221 SyntacticMatches, 2 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 925 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=962, Invalid=3460, Unknown=0, NotChecked=0, Total=4422 [2018-12-09 06:36:59,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16929 states. [2018-12-09 06:36:59,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16929 to 13424. [2018-12-09 06:36:59,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13424 states. [2018-12-09 06:36:59,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13424 states to 13424 states and 20566 transitions. [2018-12-09 06:36:59,907 INFO L78 Accepts]: Start accepts. Automaton has 13424 states and 20566 transitions. Word has length 57 [2018-12-09 06:36:59,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:36:59,907 INFO L480 AbstractCegarLoop]: Abstraction has 13424 states and 20566 transitions. [2018-12-09 06:36:59,907 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-12-09 06:36:59,907 INFO L276 IsEmpty]: Start isEmpty. Operand 13424 states and 20566 transitions. [2018-12-09 06:36:59,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-09 06:36:59,908 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:36:59,908 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:36:59,908 INFO L423 AbstractCegarLoop]: === Iteration 15 === [popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-12-09 06:36:59,908 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:36:59,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1997796495, now seen corresponding path program 1 times [2018-12-09 06:36:59,909 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 06:36:59,909 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/cvc4 Starting monitored process 23 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 06:36:59,928 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:37:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:37:00,009 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:37:00,082 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 5 proven. 48 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 06:37:00,082 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:37:00,353 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 5 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:37:00,355 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:37:00,355 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:37:00,360 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:37:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:37:00,400 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:37:00,435 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 5 proven. 48 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 06:37:00,435 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:37:00,851 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 5 proven. 80 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:37:00,866 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-12-09 06:37:00,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 19, 12, 19] total 40 [2018-12-09 06:37:00,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2018-12-09 06:37:00,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2018-12-09 06:37:00,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=193, Invalid=1367, Unknown=0, NotChecked=0, Total=1560 [2018-12-09 06:37:00,867 INFO L87 Difference]: Start difference. First operand 13424 states and 20566 transitions. Second operand 40 states. [2018-12-09 06:37:04,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:37:04,956 INFO L93 Difference]: Finished difference Result 25723 states and 38377 transitions. [2018-12-09 06:37:04,956 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2018-12-09 06:37:04,956 INFO L78 Accepts]: Start accepts. Automaton has 40 states. Word has length 59 [2018-12-09 06:37:04,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:37:05,035 INFO L225 Difference]: With dead ends: 25723 [2018-12-09 06:37:05,036 INFO L226 Difference]: Without dead ends: 24997 [2018-12-09 06:37:05,037 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 194 SyntacticMatches, 2 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2195 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=2048, Invalid=7654, Unknown=0, NotChecked=0, Total=9702 [2018-12-09 06:37:05,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24997 states. [2018-12-09 06:37:05,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24997 to 24527. [2018-12-09 06:37:05,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24527 states. [2018-12-09 06:37:05,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24527 states to 24527 states and 36767 transitions. [2018-12-09 06:37:05,356 INFO L78 Accepts]: Start accepts. Automaton has 24527 states and 36767 transitions. Word has length 59 [2018-12-09 06:37:05,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:37:05,357 INFO L480 AbstractCegarLoop]: Abstraction has 24527 states and 36767 transitions. [2018-12-09 06:37:05,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has 40 states. [2018-12-09 06:37:05,357 INFO L276 IsEmpty]: Start isEmpty. Operand 24527 states and 36767 transitions. [2018-12-09 06:37:05,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2018-12-09 06:37:05,357 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:37:05,357 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:37:05,358 INFO L423 AbstractCegarLoop]: === Iteration 16 === [popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-12-09 06:37:05,358 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:37:05,358 INFO L82 PathProgramCache]: Analyzing trace with hash 661798747, now seen corresponding path program 1 times [2018-12-09 06:37:05,358 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 06:37:05,358 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/cvc4 Starting monitored process 25 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 06:37:05,371 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:37:05,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:37:05,438 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:37:05,529 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 6 proven. 70 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-09 06:37:05,529 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:37:05,951 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 6 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 06:37:05,953 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 06:37:05,953 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FPBP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/z3 Starting monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 26 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 06:37:05,959 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:37:06,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 06:37:06,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 06:37:06,101 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 24 proven. 70 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-09 06:37:06,101 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 06:37:06,318 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 63 proven. 6 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-12-09 06:37:06,333 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 4 imperfect interpolant sequences. [2018-12-09 06:37:06,334 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 22, 16, 9] total 37 [2018-12-09 06:37:06,334 INFO L459 AbstractCegarLoop]: Interpolant automaton has 37 states [2018-12-09 06:37:06,334 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2018-12-09 06:37:06,334 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=237, Invalid=1095, Unknown=0, NotChecked=0, Total=1332 [2018-12-09 06:37:06,335 INFO L87 Difference]: Start difference. First operand 24527 states and 36767 transitions. Second operand 37 states. [2018-12-09 06:37:07,362 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 40 [2018-12-09 06:37:12,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 06:37:12,119 INFO L93 Difference]: Finished difference Result 25801 states and 37449 transitions. [2018-12-09 06:37:12,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2018-12-09 06:37:12,120 INFO L78 Accepts]: Start accepts. Automaton has 37 states. Word has length 70 [2018-12-09 06:37:12,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 06:37:12,185 INFO L225 Difference]: With dead ends: 25801 [2018-12-09 06:37:12,186 INFO L226 Difference]: Without dead ends: 25093 [2018-12-09 06:37:12,187 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 373 GetRequests, 273 SyntacticMatches, 3 SemanticMatches, 97 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2418 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=2090, Invalid=7612, Unknown=0, NotChecked=0, Total=9702 [2018-12-09 06:37:12,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25093 states. [2018-12-09 06:37:12,396 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25093 to 18321. [2018-12-09 06:37:12,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18321 states. [2018-12-09 06:37:12,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18321 states to 18321 states and 26577 transitions. [2018-12-09 06:37:12,418 INFO L78 Accepts]: Start accepts. Automaton has 18321 states and 26577 transitions. Word has length 70 [2018-12-09 06:37:12,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 06:37:12,418 INFO L480 AbstractCegarLoop]: Abstraction has 18321 states and 26577 transitions. [2018-12-09 06:37:12,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has 37 states. [2018-12-09 06:37:12,418 INFO L276 IsEmpty]: Start isEmpty. Operand 18321 states and 26577 transitions. [2018-12-09 06:37:12,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 06:37:12,418 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 06:37:12,418 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 06:37:12,419 INFO L423 AbstractCegarLoop]: === Iteration 17 === [popErr4REQUIRES_VIOLATION, popErr5REQUIRES_VIOLATION, popErr0REQUIRES_VIOLATION, popErr1REQUIRES_VIOLATION, popErr2REQUIRES_VIOLATION, popErr3REQUIRES_VIOLATION, mainErr4ENSURES_VIOLATIONMEMORY_LEAK, mainErr2ASSERT_VIOLATIONMEMORY_FREE, mainErr3ASSERT_VIOLATIONMEMORY_FREE, mainErr1REQUIRES_VIOLATION, mainErr0REQUIRES_VIOLATION, pushErr4REQUIRES_VIOLATION, pushErr5REQUIRES_VIOLATION, pushErr0REQUIRES_VIOLATION, pushErr6REQUIRES_VIOLATION, pushErr1REQUIRES_VIOLATION, pushErr7REQUIRES_VIOLATION, pushErr2REQUIRES_VIOLATION, pushErr3REQUIRES_VIOLATION]=== [2018-12-09 06:37:12,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 06:37:12,419 INFO L82 PathProgramCache]: Analyzing trace with hash -2059283463, now seen corresponding path program 1 times [2018-12-09 06:37:12,419 INFO L223 ckRefinementStrategy]: Switched to mode CVC4_FPBP [2018-12-09 06:37:12,419 INFO L69 tionRefinementEngine]: Using refinement strategy WalrusRefinementStrategy No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_030e3ee4-17bd-4e4a-aca4-b68335645655/bin-2019/utaipan/cvc4 Starting monitored process 27 with cvc4 --incremental --print-success --lang smt --rewrite-divk (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with cvc4 --incremental --print-success --lang smt --rewrite-divk [2018-12-09 06:37:12,432 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 06:37:12,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:37:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-12-09 06:37:12,937 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-12-09 06:37:12,980 WARN L416 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-12-09 06:37:12,997 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:12,998 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:12,998 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:12,998 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:12,998 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:12,998 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:12,999 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:12,999 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:12,999 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:12,999 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:12,999 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,000 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,001 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,001 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,001 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,001 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,001 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,001 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,002 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,002 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,002 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,002 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,002 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,002 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,003 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,003 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,003 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,003 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,003 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,003 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,003 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,004 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,004 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,004 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,004 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,004 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:37:13,004 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,004 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,005 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,005 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,005 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,005 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,005 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,005 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,005 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,005 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,005 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,006 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:37:13,006 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,006 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,006 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,006 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,006 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,006 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,007 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,007 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,007 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,007 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,007 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,007 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,007 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:37:13,007 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,007 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,008 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,008 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,008 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,008 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,008 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,008 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,008 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,008 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,009 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,009 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,009 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,009 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,009 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,009 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,009 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,009 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,010 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,010 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,010 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,010 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,010 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,010 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,010 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,010 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,011 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,011 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,011 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,011 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,011 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,011 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,011 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,011 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,011 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,012 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,012 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:37:13,012 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,012 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,012 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,012 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,012 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,012 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,012 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,012 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,013 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,013 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,013 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,013 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,013 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,013 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:37:13,013 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,013 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,014 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,014 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,014 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,014 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,014 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,014 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,014 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,014 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,014 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,014 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,015 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,015 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,015 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,015 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,015 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,015 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,016 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,016 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,016 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,016 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,016 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,016 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,016 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,017 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,017 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,017 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,017 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,017 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,017 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,017 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,017 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,017 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,018 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,018 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,018 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,018 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:37:13,018 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,018 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,018 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,018 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,019 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,019 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,019 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,019 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,019 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,019 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,019 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,019 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,019 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,020 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,020 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,020 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,020 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,020 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,020 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,020 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,020 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,020 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,020 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,021 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,021 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,021 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,021 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,021 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,021 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,021 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,021 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,021 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,022 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,022 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,022 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,022 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,022 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:37:13,022 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,022 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,022 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,022 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,023 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,023 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,023 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,023 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,023 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,023 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,023 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,023 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:37:13,023 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,024 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,024 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,024 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,024 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,024 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,024 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,024 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,024 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,024 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,024 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,024 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,025 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,025 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,025 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,025 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,025 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,025 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,025 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,025 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,025 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,026 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,026 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,026 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,026 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,026 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,026 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,026 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,026 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,026 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,027 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,027 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,027 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,027 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,027 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,027 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:37:13,027 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,027 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,027 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,027 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,028 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,028 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,028 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,028 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,028 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,028 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,028 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,028 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,028 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:37:13,028 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,028 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,029 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,029 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,029 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,029 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,029 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,029 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,029 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,029 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,029 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,030 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,030 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,030 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,030 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,030 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,030 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,030 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,030 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,030 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,030 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,031 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,031 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,031 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,031 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,031 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,031 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,031 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,031 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,031 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,032 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,032 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,032 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,032 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,032 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,032 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,032 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement [2018-12-09 06:37:13,032 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,032 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,032 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,032 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,033 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,033 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,033 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,033 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,033 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,033 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,033 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,033 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,033 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,033 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,033 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,034 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,034 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,034 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,034 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,034 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,034 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,034 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,034 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,034 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,034 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,034 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,035 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,035 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,035 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,035 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,035 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,035 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,035 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,035 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,035 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,035 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,035 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,036 WARN L1298 BoogieBacktranslator]: Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell [2018-12-09 06:37:13,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:37:13 BoogieIcfgContainer [2018-12-09 06:37:13,041 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 06:37:13,042 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 06:37:13,042 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 06:37:13,042 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 06:37:13,042 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:36:43" (3/4) ... [2018-12-09 06:37:13,045 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-12-09 06:37:13,045 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 06:37:13,046 INFO L168 Benchmark]: Toolchain (without parser) took 30383.23 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 625.5 MB). Free memory was 938.0 MB in the beginning and 1.2 GB in the end (delta: -218.7 MB). Peak memory consumption was 406.8 MB. Max. memory is 11.5 GB. [2018-12-09 06:37:13,046 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:37:13,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 278.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. [2018-12-09 06:37:13,046 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.33 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: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. [2018-12-09 06:37:13,047 INFO L168 Benchmark]: Boogie Preprocessor took 20.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:37:13,047 INFO L168 Benchmark]: RCFGBuilder took 296.33 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: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. [2018-12-09 06:37:13,047 INFO L168 Benchmark]: TraceAbstraction took 29761.69 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 498.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -82.7 MB). Peak memory consumption was 415.9 MB. Max. memory is 11.5 GB. [2018-12-09 06:37:13,047 INFO L168 Benchmark]: Witness Printer took 3.38 ms. Allocated memory is still 1.7 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 06:37:13,049 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 972.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 278.30 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 938.0 MB in the beginning and 1.1 GB in the end (delta: -182.5 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.33 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: 8.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.45 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 296.33 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: 38.1 MB). Peak memory consumption was 38.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 29761.69 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 498.6 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -82.7 MB). Peak memory consumption was 415.9 MB. Max. memory is 11.5 GB. * Witness Printer took 3.38 ms. Allocated memory is still 1.7 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 2147483648bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression #t~switch1 has a C AST node but it is no IASTExpression: class org.eclipse.cdt.internal.core.dom.parser.c.CASTSwitchStatement - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: BitvecLiteral 0bv32 could not be translated for associated CType *cell * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 688]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 688. Possible FailurePath: [L624] struct cell *S; [L625] int pc1 = 1; [L626] int pc4 = 1; [L627] static struct cell *t1 = ((void *)0); [L628] static struct cell *x1 = ((void *)0); [L657] struct cell* garbage; [L658] static struct cell *t4 = ((void *)0); [L659] static struct cell *x4 = ((void *)0); [L662] static int res4; VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=0, \old(pc4)=0, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] [L631] pc1++ [L632] case 1: [L633] x1 = malloc(sizeof(*x1)) VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, malloc(sizeof(*x1))={-2147483648:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L634] x1->data = 0 VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, malloc(sizeof(*x1))={-2147483648:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L635] x1->next = ((void *)0) VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, malloc(sizeof(*x1))={-2147483648:0}, pc1=2, pc1++=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L692] RET push() VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=2, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L631] pc1++ [L632] case 1: [L637] case 2: VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=2, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=3, pc1++=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L638] x1->data = 4 VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=2, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=3, pc1++=2, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L692] RET push() VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=3, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=3, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=3, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L631] pc1++ [L632] case 1: [L637] case 2: [L640] case 3: [L641] t1 = S VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=3, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=4, pc1++=3, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L692] RET push() VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=4, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=4, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=4, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L631] pc1++ [L632] case 1: [L637] case 2: [L640] case 3: [L643] case 4: VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=4, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=5, pc1++=4, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L644] x1->next = t1 VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=4, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=5, pc1++=4, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L692] RET push() VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=5, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=5, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=5, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L631] pc1++ [L632] case 1: [L637] case 2: [L640] case 3: [L643] case 4: [L646] case 5: VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=5, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=6, pc1++=5, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L647] COND TRUE S == t1 [L648] S = x1 VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=5, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=6, pc1++=5, pc4=1, res4=0, S={-2147483648:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L692] RET push() VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=6, pc4=1, res4=0, S={-2147483648:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L690] COND TRUE 1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int() [L691] COND TRUE __VERIFIER_nondet_int() [L692] CALL push() VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=6, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=6, pc4=1, res4=0, S={-2147483648:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L631] pc1++ [L632] case 1: [L637] case 2: [L640] case 3: [L643] case 4: [L646] case 5: [L652] case 6: [L653] pc1 = 1 VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=6, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=1, pc1++=6, pc4=1, res4=0, S={-2147483648:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L692] RET push() VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=1, pc4=1, res4=0, S={-2147483648:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L690] COND FALSE !(1 != pc1 || 1 != pc4 || __VERIFIER_nondet_int()) [L696] COND FALSE !(\read(*garbage)) VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, garbage={0:0}, pc1=1, pc4=1, res4=0, S={-2147483648:0}, t1={0:0}, t4={0:0}, x1={-2147483648:0}, x4={0:0}] [L701] S = ((void *)0) [L702] t1 = ((void *)0) [L703] x1 = ((void *)0) [L704] t4 = ((void *)0) [L705] x4 = ((void *)0) [L706] return !!garbage; VAL [\old(garbage)=null, \old(garbage)=null, \old(pc1)=1, \old(pc4)=1, \old(res4)=0, \old(S)=null, \old(S)=null, \old(t1)=null, \old(t1)=null, \old(t4)=null, \old(t4)=null, \old(x1)=null, \old(x1)=null, \old(x4)=null, \old(x4)=null, \result=0, garbage={0:0}, pc1=1, pc4=1, res4=0, S={0:0}, t1={0:0}, t4={0:0}, x1={0:0}, x4={0:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 70 locations, 19 error locations. UNSAFE Result, 29.7s OverallTime, 17 OverallIterations, 6 TraceHistogramMax, 22.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2108 SDtfs, 17939 SDslu, 3328 SDs, 0 SdLazy, 11256 SolverSat, 4828 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1911 GetRequests, 1411 SyntacticMatches, 20 SemanticMatches, 480 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7309 ImplicationChecksByTransitivity, 12.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24527occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.1s AutomataMinimizationTime, 16 MinimizatonAttempts, 12521 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 3.8s InterpolantComputationTime, 913 NumberOfCodeBlocks, 913 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1525 ConstructedInterpolants, 0 QuantifiedInterpolants, 340693 SizeOfPredicates, 119 NumberOfNonLiveVariables, 5879 ConjunctsInSsa, 326 ConjunctsInUnsatCore, 42 InterpolantComputations, 8 PerfectInterpolantSequences, 945/1824 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...