./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem15_label08_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem15_label08_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d9cc1dd0bb631e7337db73d708375fb42ff5290c ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 21:08:54,050 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 21:08:54,051 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 21:08:54,057 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 21:08:54,057 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 21:08:54,057 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 21:08:54,058 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 21:08:54,059 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 21:08:54,059 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 21:08:54,060 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 21:08:54,060 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 21:08:54,060 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 21:08:54,061 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 21:08:54,061 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 21:08:54,062 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 21:08:54,062 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 21:08:54,062 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 21:08:54,063 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 21:08:54,064 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 21:08:54,065 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 21:08:54,065 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 21:08:54,066 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 21:08:54,067 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 21:08:54,067 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 21:08:54,067 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 21:08:54,067 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 21:08:54,068 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 21:08:54,068 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 21:08:54,069 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 21:08:54,069 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 21:08:54,069 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 21:08:54,069 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 21:08:54,070 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 21:08:54,070 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 21:08:54,070 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 21:08:54,070 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 21:08:54,071 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 21:08:54,077 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 21:08:54,077 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 21:08:54,078 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 21:08:54,078 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 21:08:54,078 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 21:08:54,078 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 21:08:54,078 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 21:08:54,078 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 21:08:54,078 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 21:08:54,079 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 21:08:54,079 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 21:08:54,079 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 21:08:54,079 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 21:08:54,079 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 21:08:54,079 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 21:08:54,079 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 21:08:54,079 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 21:08:54,080 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 21:08:54,080 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 21:08:54,080 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 21:08:54,080 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 21:08:54,080 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 21:08:54,080 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 21:08:54,080 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 21:08:54,080 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 21:08:54,080 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 21:08:54,080 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 21:08:54,080 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 21:08:54,081 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 21:08:54,081 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 21:08:54,081 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 21:08:54,081 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 21:08:54,081 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 21:08:54,081 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 21:08:54,081 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 21:08:54,081 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 21:08:54,081 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_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/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 ! call(__VERIFIER_error())) ) 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 -> d9cc1dd0bb631e7337db73d708375fb42ff5290c [2018-12-02 21:08:54,098 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 21:08:54,104 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 21:08:54,106 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 21:08:54,107 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 21:08:54,107 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 21:08:54,107 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem15_label08_true-unreach-call.c [2018-12-02 21:08:54,142 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/bin-2019/utaipan/data/bf34768d7/ce3d88c003704a8c850a767de89e4949/FLAGda245e405 [2018-12-02 21:08:54,672 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 21:08:54,672 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/sv-benchmarks/c/eca-rers2012/Problem15_label08_true-unreach-call.c [2018-12-02 21:08:54,683 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/bin-2019/utaipan/data/bf34768d7/ce3d88c003704a8c850a767de89e4949/FLAGda245e405 [2018-12-02 21:08:55,126 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/bin-2019/utaipan/data/bf34768d7/ce3d88c003704a8c850a767de89e4949 [2018-12-02 21:08:55,128 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 21:08:55,129 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 21:08:55,129 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 21:08:55,129 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 21:08:55,131 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 21:08:55,132 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:08:55" (1/1) ... [2018-12-02 21:08:55,134 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec9f2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:55, skipping insertion in model container [2018-12-02 21:08:55,134 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:08:55" (1/1) ... [2018-12-02 21:08:55,140 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 21:08:55,194 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 21:08:55,535 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:08:55,538 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 21:08:55,746 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 21:08:55,757 INFO L195 MainTranslator]: Completed translation [2018-12-02 21:08:55,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:55 WrapperNode [2018-12-02 21:08:55,757 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 21:08:55,757 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 21:08:55,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 21:08:55,758 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 21:08:55,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:55" (1/1) ... [2018-12-02 21:08:55,780 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:55" (1/1) ... [2018-12-02 21:08:55,786 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 21:08:55,786 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 21:08:55,786 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 21:08:55,786 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 21:08:55,792 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:55" (1/1) ... [2018-12-02 21:08:55,792 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:55" (1/1) ... [2018-12-02 21:08:55,797 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:55" (1/1) ... [2018-12-02 21:08:55,797 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:55" (1/1) ... [2018-12-02 21:08:55,831 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:55" (1/1) ... [2018-12-02 21:08:55,841 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:55" (1/1) ... [2018-12-02 21:08:55,852 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:55" (1/1) ... [2018-12-02 21:08:55,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 21:08:55,864 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 21:08:55,864 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 21:08:55,864 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 21:08:55,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/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 [2018-12-02 21:08:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 21:08:55,901 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 21:08:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-02 21:08:55,901 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-02 21:08:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 21:08:55,901 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 21:08:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 21:08:55,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 21:08:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 21:08:55,902 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 21:08:57,546 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 21:08:57,546 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 21:08:57,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:08:57 BoogieIcfgContainer [2018-12-02 21:08:57,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 21:08:57,547 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 21:08:57,547 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 21:08:57,549 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 21:08:57,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 09:08:55" (1/3) ... [2018-12-02 21:08:57,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f0376d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:08:57, skipping insertion in model container [2018-12-02 21:08:57,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:08:55" (2/3) ... [2018-12-02 21:08:57,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@36f0376d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 09:08:57, skipping insertion in model container [2018-12-02 21:08:57,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:08:57" (3/3) ... [2018-12-02 21:08:57,551 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem15_label08_true-unreach-call.c [2018-12-02 21:08:57,556 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 21:08:57,561 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 21:08:57,571 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 21:08:57,592 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 21:08:57,592 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 21:08:57,592 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 21:08:57,592 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 21:08:57,592 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 21:08:57,592 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 21:08:57,592 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 21:08:57,592 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 21:08:57,607 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states. [2018-12-02 21:08:57,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 21:08:57,612 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:08:57,613 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:08:57,614 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:08:57,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:08:57,617 INFO L82 PathProgramCache]: Analyzing trace with hash 192141165, now seen corresponding path program 1 times [2018-12-02 21:08:57,619 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:08:57,647 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:08:57,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:08:57,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:08:57,648 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:08:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:08:57,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:08:57,788 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:08:57,789 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 21:08:57,789 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:08:57,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 21:08:57,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 21:08:57,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:08:57,807 INFO L87 Difference]: Start difference. First operand 437 states. Second operand 3 states. [2018-12-02 21:08:59,218 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:08:59,218 INFO L93 Difference]: Finished difference Result 1191 states and 2149 transitions. [2018-12-02 21:08:59,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 21:08:59,219 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2018-12-02 21:08:59,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:08:59,233 INFO L225 Difference]: With dead ends: 1191 [2018-12-02 21:08:59,233 INFO L226 Difference]: Without dead ends: 692 [2018-12-02 21:08:59,239 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:08:59,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 692 states. [2018-12-02 21:08:59,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 692 to 690. [2018-12-02 21:08:59,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 690 states. [2018-12-02 21:08:59,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 690 states and 1154 transitions. [2018-12-02 21:08:59,291 INFO L78 Accepts]: Start accepts. Automaton has 690 states and 1154 transitions. Word has length 57 [2018-12-02 21:08:59,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:08:59,291 INFO L480 AbstractCegarLoop]: Abstraction has 690 states and 1154 transitions. [2018-12-02 21:08:59,291 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 21:08:59,292 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 1154 transitions. [2018-12-02 21:08:59,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-02 21:08:59,295 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:08:59,295 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:08:59,295 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:08:59,295 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:08:59,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1869763890, now seen corresponding path program 1 times [2018-12-02 21:08:59,296 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:08:59,296 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:08:59,297 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:08:59,297 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:08:59,297 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:08:59,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:08:59,420 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:08:59,420 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:08:59,420 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 21:08:59,420 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:08:59,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 21:08:59,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 21:08:59,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 21:08:59,422 INFO L87 Difference]: Start difference. First operand 690 states and 1154 transitions. Second operand 6 states. [2018-12-02 21:09:02,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:09:02,237 INFO L93 Difference]: Finished difference Result 2057 states and 3487 transitions. [2018-12-02 21:09:02,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 21:09:02,237 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 130 [2018-12-02 21:09:02,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:09:02,242 INFO L225 Difference]: With dead ends: 2057 [2018-12-02 21:09:02,243 INFO L226 Difference]: Without dead ends: 1373 [2018-12-02 21:09:02,244 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 21:09:02,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2018-12-02 21:09:02,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 1342. [2018-12-02 21:09:02,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1342 states. [2018-12-02 21:09:02,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1342 states and 2245 transitions. [2018-12-02 21:09:02,273 INFO L78 Accepts]: Start accepts. Automaton has 1342 states and 2245 transitions. Word has length 130 [2018-12-02 21:09:02,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:09:02,273 INFO L480 AbstractCegarLoop]: Abstraction has 1342 states and 2245 transitions. [2018-12-02 21:09:02,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 21:09:02,273 INFO L276 IsEmpty]: Start isEmpty. Operand 1342 states and 2245 transitions. [2018-12-02 21:09:02,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-02 21:09:02,275 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:09:02,275 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:09:02,275 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:09:02,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:09:02,275 INFO L82 PathProgramCache]: Analyzing trace with hash 601746521, now seen corresponding path program 1 times [2018-12-02 21:09:02,275 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:09:02,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:09:02,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:09:02,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:09:02,276 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:09:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:09:02,327 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:09:02,328 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:09:02,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 21:09:02,328 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:09:02,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 21:09:02,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 21:09:02,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 21:09:02,329 INFO L87 Difference]: Start difference. First operand 1342 states and 2245 transitions. Second operand 5 states. [2018-12-02 21:09:05,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:09:05,707 INFO L93 Difference]: Finished difference Result 3990 states and 6801 transitions. [2018-12-02 21:09:05,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 21:09:05,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 133 [2018-12-02 21:09:05,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:09:05,718 INFO L225 Difference]: With dead ends: 3990 [2018-12-02 21:09:05,718 INFO L226 Difference]: Without dead ends: 2654 [2018-12-02 21:09:05,722 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 21:09:05,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2654 states. [2018-12-02 21:09:05,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2654 to 2615. [2018-12-02 21:09:05,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2615 states. [2018-12-02 21:09:05,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2615 states to 2615 states and 3768 transitions. [2018-12-02 21:09:05,758 INFO L78 Accepts]: Start accepts. Automaton has 2615 states and 3768 transitions. Word has length 133 [2018-12-02 21:09:05,758 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:09:05,758 INFO L480 AbstractCegarLoop]: Abstraction has 2615 states and 3768 transitions. [2018-12-02 21:09:05,758 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 21:09:05,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2615 states and 3768 transitions. [2018-12-02 21:09:05,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 21:09:05,760 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:09:05,760 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:09:05,760 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:09:05,760 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:09:05,760 INFO L82 PathProgramCache]: Analyzing trace with hash -286591957, now seen corresponding path program 1 times [2018-12-02 21:09:05,760 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:09:05,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:09:05,761 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:09:05,761 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:09:05,761 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:09:05,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:09:05,852 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:09:05,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:09:05,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 21:09:05,853 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:09:05,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 21:09:05,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 21:09:05,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 21:09:05,853 INFO L87 Difference]: Start difference. First operand 2615 states and 3768 transitions. Second operand 6 states. [2018-12-02 21:09:08,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:09:08,030 INFO L93 Difference]: Finished difference Result 6572 states and 9809 transitions. [2018-12-02 21:09:08,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 21:09:08,031 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-12-02 21:09:08,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:09:08,045 INFO L225 Difference]: With dead ends: 6572 [2018-12-02 21:09:08,045 INFO L226 Difference]: Without dead ends: 3963 [2018-12-02 21:09:08,051 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 21:09:08,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3963 states. [2018-12-02 21:09:08,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3963 to 3910. [2018-12-02 21:09:08,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3910 states. [2018-12-02 21:09:08,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3910 states to 3910 states and 5486 transitions. [2018-12-02 21:09:08,134 INFO L78 Accepts]: Start accepts. Automaton has 3910 states and 5486 transitions. Word has length 143 [2018-12-02 21:09:08,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:09:08,134 INFO L480 AbstractCegarLoop]: Abstraction has 3910 states and 5486 transitions. [2018-12-02 21:09:08,135 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 21:09:08,135 INFO L276 IsEmpty]: Start isEmpty. Operand 3910 states and 5486 transitions. [2018-12-02 21:09:08,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 21:09:08,136 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:09:08,136 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:09:08,136 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:09:08,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:09:08,137 INFO L82 PathProgramCache]: Analyzing trace with hash -449229944, now seen corresponding path program 1 times [2018-12-02 21:09:08,137 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:09:08,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:09:08,137 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:09:08,137 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:09:08,137 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:09:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:09:08,193 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:09:08,193 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:09:08,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-02 21:09:08,193 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:09:08,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-02 21:09:08,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-02 21:09:08,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-02 21:09:08,194 INFO L87 Difference]: Start difference. First operand 3910 states and 5486 transitions. Second operand 5 states. [2018-12-02 21:09:11,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:09:11,936 INFO L93 Difference]: Finished difference Result 10080 states and 14344 transitions. [2018-12-02 21:09:11,937 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 21:09:11,937 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2018-12-02 21:09:11,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:09:11,949 INFO L225 Difference]: With dead ends: 10080 [2018-12-02 21:09:11,949 INFO L226 Difference]: Without dead ends: 6176 [2018-12-02 21:09:11,954 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-02 21:09:11,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6176 states. [2018-12-02 21:09:12,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6176 to 6153. [2018-12-02 21:09:12,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6153 states. [2018-12-02 21:09:12,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6153 states to 6153 states and 8483 transitions. [2018-12-02 21:09:12,027 INFO L78 Accepts]: Start accepts. Automaton has 6153 states and 8483 transitions. Word has length 153 [2018-12-02 21:09:12,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:09:12,028 INFO L480 AbstractCegarLoop]: Abstraction has 6153 states and 8483 transitions. [2018-12-02 21:09:12,028 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-02 21:09:12,028 INFO L276 IsEmpty]: Start isEmpty. Operand 6153 states and 8483 transitions. [2018-12-02 21:09:12,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-02 21:09:12,029 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:09:12,029 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:09:12,029 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:09:12,029 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:09:12,029 INFO L82 PathProgramCache]: Analyzing trace with hash -379423501, now seen corresponding path program 1 times [2018-12-02 21:09:12,030 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:09:12,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:09:12,030 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:09:12,030 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:09:12,030 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:09:12,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:09:12,159 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:09:12,159 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:09:12,159 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 21:09:12,160 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-12-02 21:09:12,161 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 21:09:12,185 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 21:09:12,185 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 21:09:12,432 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 21:09:12,433 INFO L272 AbstractInterpreter]: Visited 115 different actions 115 times. Never merged. Never widened. Performed 1157 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1157 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-02 21:09:12,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:09:12,438 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 21:09:12,619 INFO L227 lantSequenceWeakener]: Weakened 162 states. On average, predicates are now at 78.34% of their original sizes. [2018-12-02 21:09:12,619 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 21:09:12,643 INFO L418 sIntCurrentIteration]: We unified 167 AI predicates to 167 [2018-12-02 21:09:12,643 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 21:09:12,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 21:09:12,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2018-12-02 21:09:12,644 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:09:12,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 21:09:12,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 21:09:12,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 21:09:12,645 INFO L87 Difference]: Start difference. First operand 6153 states and 8483 transitions. Second operand 6 states. [2018-12-02 21:09:53,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:09:53,117 INFO L93 Difference]: Finished difference Result 11994 states and 16625 transitions. [2018-12-02 21:09:53,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 21:09:53,117 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 168 [2018-12-02 21:09:53,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:09:53,127 INFO L225 Difference]: With dead ends: 11994 [2018-12-02 21:09:53,127 INFO L226 Difference]: Without dead ends: 6154 [2018-12-02 21:09:53,132 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 168 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 21:09:53,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6154 states. [2018-12-02 21:09:53,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6154 to 6153. [2018-12-02 21:09:53,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6153 states. [2018-12-02 21:09:53,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6153 states to 6153 states and 8460 transitions. [2018-12-02 21:09:53,194 INFO L78 Accepts]: Start accepts. Automaton has 6153 states and 8460 transitions. Word has length 168 [2018-12-02 21:09:53,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:09:53,194 INFO L480 AbstractCegarLoop]: Abstraction has 6153 states and 8460 transitions. [2018-12-02 21:09:53,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 21:09:53,194 INFO L276 IsEmpty]: Start isEmpty. Operand 6153 states and 8460 transitions. [2018-12-02 21:09:53,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2018-12-02 21:09:53,196 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:09:53,196 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:09:53,196 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:09:53,196 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:09:53,197 INFO L82 PathProgramCache]: Analyzing trace with hash 624925780, now seen corresponding path program 1 times [2018-12-02 21:09:53,197 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:09:53,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:09:53,197 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:09:53,197 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:09:53,197 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:09:53,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:09:53,456 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 193 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 21:09:53,456 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:09:53,456 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 21:09:53,456 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 264 with the following transitions: [2018-12-02 21:09:53,457 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 21:09:53,460 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 21:09:53,460 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 21:09:53,636 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 21:09:53,636 INFO L272 AbstractInterpreter]: Visited 119 different actions 344 times. Merged at 4 different actions 7 times. Never widened. Performed 3823 root evaluator evaluations with a maximum evaluation depth of 10. Performed 3823 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 21:09:53,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:09:53,646 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 21:09:53,855 INFO L227 lantSequenceWeakener]: Weakened 260 states. On average, predicates are now at 84.13% of their original sizes. [2018-12-02 21:09:53,855 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 21:09:53,894 INFO L418 sIntCurrentIteration]: We unified 262 AI predicates to 262 [2018-12-02 21:09:53,895 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 21:09:53,895 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 21:09:53,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2018-12-02 21:09:53,895 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:09:53,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 21:09:53,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 21:09:53,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 21:09:53,896 INFO L87 Difference]: Start difference. First operand 6153 states and 8460 transitions. Second operand 9 states. [2018-12-02 21:10:24,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:10:24,551 INFO L93 Difference]: Finished difference Result 12304 states and 16945 transitions. [2018-12-02 21:10:24,551 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 21:10:24,551 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 263 [2018-12-02 21:10:24,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:10:24,565 INFO L225 Difference]: With dead ends: 12304 [2018-12-02 21:10:24,565 INFO L226 Difference]: Without dead ends: 6464 [2018-12-02 21:10:24,570 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 268 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-12-02 21:10:24,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6464 states. [2018-12-02 21:10:24,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6464 to 6462. [2018-12-02 21:10:24,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6462 states. [2018-12-02 21:10:24,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6462 states to 6462 states and 8785 transitions. [2018-12-02 21:10:24,650 INFO L78 Accepts]: Start accepts. Automaton has 6462 states and 8785 transitions. Word has length 263 [2018-12-02 21:10:24,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:10:24,651 INFO L480 AbstractCegarLoop]: Abstraction has 6462 states and 8785 transitions. [2018-12-02 21:10:24,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 21:10:24,651 INFO L276 IsEmpty]: Start isEmpty. Operand 6462 states and 8785 transitions. [2018-12-02 21:10:24,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2018-12-02 21:10:24,654 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:10:24,654 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:10:24,654 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:10:24,654 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:10:24,654 INFO L82 PathProgramCache]: Analyzing trace with hash -712494961, now seen corresponding path program 1 times [2018-12-02 21:10:24,654 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:10:24,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:10:24,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:10:24,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:10:24,655 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:10:24,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:10:24,791 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-02 21:10:24,791 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:10:24,791 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 21:10:24,791 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:10:24,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 21:10:24,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 21:10:24,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 21:10:24,792 INFO L87 Difference]: Start difference. First operand 6462 states and 8785 transitions. Second operand 4 states. [2018-12-02 21:10:27,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:10:27,246 INFO L93 Difference]: Finished difference Result 20384 states and 29075 transitions. [2018-12-02 21:10:27,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 21:10:27,247 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 352 [2018-12-02 21:10:27,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:10:27,276 INFO L225 Difference]: With dead ends: 20384 [2018-12-02 21:10:27,276 INFO L226 Difference]: Without dead ends: 14544 [2018-12-02 21:10:27,286 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 21:10:27,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14544 states. [2018-12-02 21:10:27,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14544 to 11450. [2018-12-02 21:10:27,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11450 states. [2018-12-02 21:10:27,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11450 states to 11450 states and 15782 transitions. [2018-12-02 21:10:27,438 INFO L78 Accepts]: Start accepts. Automaton has 11450 states and 15782 transitions. Word has length 352 [2018-12-02 21:10:27,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:10:27,439 INFO L480 AbstractCegarLoop]: Abstraction has 11450 states and 15782 transitions. [2018-12-02 21:10:27,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 21:10:27,439 INFO L276 IsEmpty]: Start isEmpty. Operand 11450 states and 15782 transitions. [2018-12-02 21:10:27,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2018-12-02 21:10:27,445 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:10:27,445 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:10:27,445 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:10:27,446 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:10:27,446 INFO L82 PathProgramCache]: Analyzing trace with hash 492291870, now seen corresponding path program 1 times [2018-12-02 21:10:27,446 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:10:27,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:10:27,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:10:27,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:10:27,446 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:10:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:10:27,674 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 141 trivial. 0 not checked. [2018-12-02 21:10:27,674 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:10:27,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 21:10:27,674 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:10:27,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 21:10:27,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 21:10:27,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 21:10:27,675 INFO L87 Difference]: Start difference. First operand 11450 states and 15782 transitions. Second operand 4 states. [2018-12-02 21:10:29,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:10:29,365 INFO L93 Difference]: Finished difference Result 29129 states and 41787 transitions. [2018-12-02 21:10:29,365 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 21:10:29,365 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 475 [2018-12-02 21:10:29,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:10:29,401 INFO L225 Difference]: With dead ends: 29129 [2018-12-02 21:10:29,401 INFO L226 Difference]: Without dead ends: 18301 [2018-12-02 21:10:29,418 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 21:10:29,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18301 states. [2018-12-02 21:10:29,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18301 to 16114. [2018-12-02 21:10:29,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16114 states. [2018-12-02 21:10:29,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16114 states to 16114 states and 23137 transitions. [2018-12-02 21:10:29,631 INFO L78 Accepts]: Start accepts. Automaton has 16114 states and 23137 transitions. Word has length 475 [2018-12-02 21:10:29,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:10:29,632 INFO L480 AbstractCegarLoop]: Abstraction has 16114 states and 23137 transitions. [2018-12-02 21:10:29,632 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 21:10:29,632 INFO L276 IsEmpty]: Start isEmpty. Operand 16114 states and 23137 transitions. [2018-12-02 21:10:29,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2018-12-02 21:10:29,640 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:10:29,640 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:10:29,641 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:10:29,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:10:29,641 INFO L82 PathProgramCache]: Analyzing trace with hash -1869799240, now seen corresponding path program 1 times [2018-12-02 21:10:29,641 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:10:29,641 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:10:29,641 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:10:29,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:10:29,642 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:10:29,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:10:29,796 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2018-12-02 21:10:29,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 21:10:29,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 21:10:29,796 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:10:29,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 21:10:29,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 21:10:29,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:10:29,797 INFO L87 Difference]: Start difference. First operand 16114 states and 23137 transitions. Second operand 3 states. [2018-12-02 21:10:31,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:10:31,295 INFO L93 Difference]: Finished difference Result 34698 states and 51115 transitions. [2018-12-02 21:10:31,296 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 21:10:31,296 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 499 [2018-12-02 21:10:31,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:10:31,343 INFO L225 Difference]: With dead ends: 34698 [2018-12-02 21:10:31,343 INFO L226 Difference]: Without dead ends: 19206 [2018-12-02 21:10:31,362 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:10:31,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19206 states. [2018-12-02 21:10:31,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19206 to 19206. [2018-12-02 21:10:31,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19206 states. [2018-12-02 21:10:31,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19206 states to 19206 states and 26969 transitions. [2018-12-02 21:10:31,566 INFO L78 Accepts]: Start accepts. Automaton has 19206 states and 26969 transitions. Word has length 499 [2018-12-02 21:10:31,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:10:31,566 INFO L480 AbstractCegarLoop]: Abstraction has 19206 states and 26969 transitions. [2018-12-02 21:10:31,566 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 21:10:31,566 INFO L276 IsEmpty]: Start isEmpty. Operand 19206 states and 26969 transitions. [2018-12-02 21:10:31,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2018-12-02 21:10:31,576 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:10:31,577 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:10:31,577 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:10:31,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:10:31,577 INFO L82 PathProgramCache]: Analyzing trace with hash 1914056072, now seen corresponding path program 1 times [2018-12-02 21:10:31,577 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:10:31,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:10:31,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:10:31,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:10:31,578 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:10:31,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:10:31,781 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 361 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-02 21:10:31,781 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:10:31,781 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 21:10:31,781 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 542 with the following transitions: [2018-12-02 21:10:31,782 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [617], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [880], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 21:10:31,786 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 21:10:31,786 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 21:10:32,536 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 21:10:32,536 INFO L272 AbstractInterpreter]: Visited 284 different actions 1127 times. Merged at 7 different actions 23 times. Never widened. Performed 16055 root evaluator evaluations with a maximum evaluation depth of 21. Performed 16055 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 21:10:32,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:10:32,538 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 21:10:32,538 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:10:32,539 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/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 [2018-12-02 21:10:32,545 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:10:32,545 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 21:10:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:10:32,627 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:10:32,770 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 361 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-02 21:10:32,770 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 21:10:33,009 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 361 proven. 2 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-02 21:10:33,025 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 21:10:33,025 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 21:10:33,025 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 21:10:33,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 21:10:33,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 21:10:33,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-02 21:10:33,026 INFO L87 Difference]: Start difference. First operand 19206 states and 26969 transitions. Second operand 9 states. [2018-12-02 21:10:39,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:10:39,918 INFO L93 Difference]: Finished difference Result 47636 states and 78488 transitions. [2018-12-02 21:10:39,918 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-02 21:10:39,918 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 541 [2018-12-02 21:10:39,919 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:10:40,013 INFO L225 Difference]: With dead ends: 47636 [2018-12-02 21:10:40,013 INFO L226 Difference]: Without dead ends: 29052 [2018-12-02 21:10:40,044 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1117 GetRequests, 1092 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=204, Invalid=446, Unknown=0, NotChecked=0, Total=650 [2018-12-02 21:10:40,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29052 states. [2018-12-02 21:10:40,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29052 to 26691. [2018-12-02 21:10:40,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26691 states. [2018-12-02 21:10:40,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26691 states to 26691 states and 41924 transitions. [2018-12-02 21:10:40,527 INFO L78 Accepts]: Start accepts. Automaton has 26691 states and 41924 transitions. Word has length 541 [2018-12-02 21:10:40,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:10:40,528 INFO L480 AbstractCegarLoop]: Abstraction has 26691 states and 41924 transitions. [2018-12-02 21:10:40,528 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 21:10:40,528 INFO L276 IsEmpty]: Start isEmpty. Operand 26691 states and 41924 transitions. [2018-12-02 21:10:40,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 559 [2018-12-02 21:10:40,536 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:10:40,537 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:10:40,537 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:10:40,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:10:40,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1959681560, now seen corresponding path program 1 times [2018-12-02 21:10:40,537 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:10:40,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:10:40,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:10:40,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:10:40,538 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:10:40,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:10:40,759 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 237 proven. 85 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-02 21:10:40,759 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:10:40,759 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 21:10:40,760 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 559 with the following transitions: [2018-12-02 21:10:40,760 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [644], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [880], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1562], [1566], [1570], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1620], [1623], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 21:10:40,764 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 21:10:40,764 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 21:10:42,015 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 21:10:42,015 INFO L272 AbstractInterpreter]: Visited 296 different actions 1469 times. Merged at 7 different actions 31 times. Never widened. Performed 21261 root evaluator evaluations with a maximum evaluation depth of 21. Performed 21261 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 8 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 21:10:42,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:10:42,017 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 21:10:42,017 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:10:42,017 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/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 [2018-12-02 21:10:42,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:10:42,023 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 21:10:42,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:10:42,104 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:10:42,197 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 397 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-02 21:10:42,197 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 21:10:42,332 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 237 proven. 85 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-02 21:10:42,347 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 21:10:42,348 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 21:10:42,348 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 21:10:42,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 21:10:42,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 21:10:42,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-02 21:10:42,348 INFO L87 Difference]: Start difference. First operand 26691 states and 41924 transitions. Second operand 9 states. [2018-12-02 21:10:46,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:10:46,235 INFO L93 Difference]: Finished difference Result 61029 states and 113169 transitions. [2018-12-02 21:10:46,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 21:10:46,236 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 558 [2018-12-02 21:10:46,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:10:46,395 INFO L225 Difference]: With dead ends: 61029 [2018-12-02 21:10:46,395 INFO L226 Difference]: Without dead ends: 34960 [2018-12-02 21:10:46,466 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1139 GetRequests, 1120 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2018-12-02 21:10:46,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34960 states. [2018-12-02 21:10:47,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34960 to 34452. [2018-12-02 21:10:47,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34452 states. [2018-12-02 21:10:47,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34452 states to 34452 states and 62463 transitions. [2018-12-02 21:10:47,291 INFO L78 Accepts]: Start accepts. Automaton has 34452 states and 62463 transitions. Word has length 558 [2018-12-02 21:10:47,292 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:10:47,292 INFO L480 AbstractCegarLoop]: Abstraction has 34452 states and 62463 transitions. [2018-12-02 21:10:47,292 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 21:10:47,292 INFO L276 IsEmpty]: Start isEmpty. Operand 34452 states and 62463 transitions. [2018-12-02 21:10:47,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 568 [2018-12-02 21:10:47,300 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:10:47,300 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:10:47,300 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:10:47,300 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:10:47,301 INFO L82 PathProgramCache]: Analyzing trace with hash -665098870, now seen corresponding path program 1 times [2018-12-02 21:10:47,301 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:10:47,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:10:47,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:10:47,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:10:47,301 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:10:47,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:10:47,507 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 379 proven. 85 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2018-12-02 21:10:47,507 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:10:47,507 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 21:10:47,507 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 568 with the following transitions: [2018-12-02 21:10:47,507 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [644], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [880], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1209], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 21:10:47,509 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 21:10:47,509 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 21:10:48,842 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 21:10:48,842 INFO L272 AbstractInterpreter]: Visited 211 different actions 1039 times. Merged at 8 different actions 27 times. Never widened. Performed 13983 root evaluator evaluations with a maximum evaluation depth of 21. Performed 13983 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 8 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 21:10:48,843 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:10:48,843 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 21:10:48,843 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:10:48,843 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/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 [2018-12-02 21:10:48,849 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:10:48,849 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 21:10:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:10:48,919 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:10:49,010 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 630 proven. 2 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-12-02 21:10:49,010 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 21:10:49,142 INFO L134 CoverageAnalysis]: Checked inductivity of 775 backedges. 379 proven. 85 refuted. 0 times theorem prover too weak. 311 trivial. 0 not checked. [2018-12-02 21:10:49,157 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 21:10:49,157 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 21:10:49,157 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 21:10:49,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 21:10:49,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 21:10:49,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-02 21:10:49,158 INFO L87 Difference]: Start difference. First operand 34452 states and 62463 transitions. Second operand 9 states. [2018-12-02 21:10:52,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:10:52,371 INFO L93 Difference]: Finished difference Result 63248 states and 107334 transitions. [2018-12-02 21:10:52,371 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 21:10:52,372 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 567 [2018-12-02 21:10:52,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:10:52,442 INFO L225 Difference]: With dead ends: 63248 [2018-12-02 21:10:52,442 INFO L226 Difference]: Without dead ends: 29418 [2018-12-02 21:10:52,614 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1157 GetRequests, 1138 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=128, Invalid=252, Unknown=0, NotChecked=0, Total=380 [2018-12-02 21:10:52,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29418 states. [2018-12-02 21:10:52,898 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29418 to 28147. [2018-12-02 21:10:52,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28147 states. [2018-12-02 21:10:52,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28147 states to 28147 states and 35661 transitions. [2018-12-02 21:10:52,944 INFO L78 Accepts]: Start accepts. Automaton has 28147 states and 35661 transitions. Word has length 567 [2018-12-02 21:10:52,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:10:52,944 INFO L480 AbstractCegarLoop]: Abstraction has 28147 states and 35661 transitions. [2018-12-02 21:10:52,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 21:10:52,944 INFO L276 IsEmpty]: Start isEmpty. Operand 28147 states and 35661 transitions. [2018-12-02 21:10:52,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 609 [2018-12-02 21:10:52,950 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:10:52,951 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:10:52,951 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:10:52,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:10:52,951 INFO L82 PathProgramCache]: Analyzing trace with hash -2099777459, now seen corresponding path program 1 times [2018-12-02 21:10:52,951 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:10:52,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:10:52,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:10:52,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:10:52,952 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:10:52,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:10:53,290 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 468 proven. 268 refuted. 0 times theorem prover too weak. 127 trivial. 0 not checked. [2018-12-02 21:10:53,290 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:10:53,290 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 21:10:53,290 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 609 with the following transitions: [2018-12-02 21:10:53,290 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [691], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [842], [847], [849], [850], [854], [865], [869], [873], [877], [880], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1209], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 21:10:53,292 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 21:10:53,292 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 21:10:54,675 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 21:10:54,675 INFO L272 AbstractInterpreter]: Visited 213 different actions 1262 times. Merged at 8 different actions 43 times. Widened at 1 different actions 2 times. Performed 17111 root evaluator evaluations with a maximum evaluation depth of 21. Performed 17111 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 11 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 21:10:54,676 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:10:54,676 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 21:10:54,676 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:10:54,676 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/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 [2018-12-02 21:10:54,682 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:10:54,682 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 21:10:54,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:10:54,758 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:10:54,962 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 553 proven. 2 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2018-12-02 21:10:54,962 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 21:10:55,134 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 553 proven. 2 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2018-12-02 21:10:55,149 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 21:10:55,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-12-02 21:10:55,149 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 21:10:55,150 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-02 21:10:55,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-02 21:10:55,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-12-02 21:10:55,150 INFO L87 Difference]: Start difference. First operand 28147 states and 35661 transitions. Second operand 12 states. [2018-12-02 21:10:57,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:10:57,861 INFO L93 Difference]: Finished difference Result 51975 states and 64375 transitions. [2018-12-02 21:10:57,862 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-02 21:10:57,862 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 608 [2018-12-02 21:10:57,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:10:57,899 INFO L225 Difference]: With dead ends: 51975 [2018-12-02 21:10:57,900 INFO L226 Difference]: Without dead ends: 24450 [2018-12-02 21:10:57,936 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1255 GetRequests, 1226 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=177, Invalid=525, Unknown=0, NotChecked=0, Total=702 [2018-12-02 21:10:57,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24450 states. [2018-12-02 21:10:58,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24450 to 23102. [2018-12-02 21:10:58,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23102 states. [2018-12-02 21:10:58,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23102 states to 23102 states and 26326 transitions. [2018-12-02 21:10:58,165 INFO L78 Accepts]: Start accepts. Automaton has 23102 states and 26326 transitions. Word has length 608 [2018-12-02 21:10:58,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:10:58,165 INFO L480 AbstractCegarLoop]: Abstraction has 23102 states and 26326 transitions. [2018-12-02 21:10:58,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-02 21:10:58,165 INFO L276 IsEmpty]: Start isEmpty. Operand 23102 states and 26326 transitions. [2018-12-02 21:10:58,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 701 [2018-12-02 21:10:58,174 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:10:58,174 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:10:58,174 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:10:58,174 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:10:58,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1399068560, now seen corresponding path program 1 times [2018-12-02 21:10:58,174 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:10:58,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:10:58,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:10:58,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:10:58,175 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:10:58,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:10:58,475 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 571 proven. 2 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2018-12-02 21:10:58,475 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:10:58,475 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 21:10:58,475 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 701 with the following transitions: [2018-12-02 21:10:58,475 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [857], [862], [864], [865], [869], [873], [877], [880], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 21:10:58,478 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 21:10:58,479 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 21:11:01,346 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 21:11:01,346 INFO L272 AbstractInterpreter]: Visited 287 different actions 854 times. Merged at 8 different actions 19 times. Never widened. Performed 11742 root evaluator evaluations with a maximum evaluation depth of 21. Performed 11742 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 5 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 21:11:01,348 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:11:01,348 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 21:11:01,348 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:11:01,348 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/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 [2018-12-02 21:11:01,354 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:11:01,354 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 21:11:01,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:11:01,437 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:11:01,578 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 571 proven. 2 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2018-12-02 21:11:01,578 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 21:11:01,824 INFO L134 CoverageAnalysis]: Checked inductivity of 915 backedges. 571 proven. 2 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2018-12-02 21:11:01,840 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 21:11:01,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 11 [2018-12-02 21:11:01,840 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 21:11:01,840 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 21:11:01,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 21:11:01,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-02 21:11:01,841 INFO L87 Difference]: Start difference. First operand 23102 states and 26326 transitions. Second operand 8 states. [2018-12-02 21:11:08,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:11:08,380 INFO L93 Difference]: Finished difference Result 60234 states and 68826 transitions. [2018-12-02 21:11:08,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-12-02 21:11:08,381 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 700 [2018-12-02 21:11:08,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:11:08,420 INFO L225 Difference]: With dead ends: 60234 [2018-12-02 21:11:08,420 INFO L226 Difference]: Without dead ends: 27621 [2018-12-02 21:11:08,450 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1427 GetRequests, 1406 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=147, Invalid=315, Unknown=0, NotChecked=0, Total=462 [2018-12-02 21:11:08,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27621 states. [2018-12-02 21:11:08,661 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27621 to 23230. [2018-12-02 21:11:08,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23230 states. [2018-12-02 21:11:08,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23230 states to 23230 states and 24493 transitions. [2018-12-02 21:11:08,682 INFO L78 Accepts]: Start accepts. Automaton has 23230 states and 24493 transitions. Word has length 700 [2018-12-02 21:11:08,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:11:08,682 INFO L480 AbstractCegarLoop]: Abstraction has 23230 states and 24493 transitions. [2018-12-02 21:11:08,682 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 21:11:08,682 INFO L276 IsEmpty]: Start isEmpty. Operand 23230 states and 24493 transitions. [2018-12-02 21:11:08,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 727 [2018-12-02 21:11:08,690 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:11:08,690 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:11:08,690 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:11:08,690 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:11:08,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1615800468, now seen corresponding path program 1 times [2018-12-02 21:11:08,691 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:11:08,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:11:08,691 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:11:08,691 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:11:08,692 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:11:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:11:08,996 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 214 proven. 2 refuted. 0 times theorem prover too weak. 725 trivial. 0 not checked. [2018-12-02 21:11:08,996 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:11:08,996 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 21:11:08,996 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 727 with the following transitions: [2018-12-02 21:11:08,997 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [857], [860], [864], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1005], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 21:11:08,999 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 21:11:08,999 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 21:11:11,639 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 21:11:11,639 INFO L272 AbstractInterpreter]: Visited 287 different actions 853 times. Merged at 8 different actions 18 times. Never widened. Performed 11744 root evaluator evaluations with a maximum evaluation depth of 20. Performed 11744 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 21:11:11,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:11:11,641 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 21:11:11,641 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:11:11,641 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/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 [2018-12-02 21:11:11,647 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:11:11,647 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 21:11:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:11:11,730 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:11:11,847 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 395 trivial. 0 not checked. [2018-12-02 21:11:11,847 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 21:11:12,026 INFO L134 CoverageAnalysis]: Checked inductivity of 941 backedges. 214 proven. 2 refuted. 0 times theorem prover too weak. 725 trivial. 0 not checked. [2018-12-02 21:11:12,041 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 21:11:12,041 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 4 [2018-12-02 21:11:12,042 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:11:12,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 21:11:12,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 21:11:12,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 21:11:12,042 INFO L87 Difference]: Start difference. First operand 23230 states and 24493 transitions. Second operand 3 states. [2018-12-02 21:11:12,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:11:12,679 INFO L93 Difference]: Finished difference Result 44274 states and 46672 transitions. [2018-12-02 21:11:12,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 21:11:12,679 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 726 [2018-12-02 21:11:12,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:11:12,705 INFO L225 Difference]: With dead ends: 44274 [2018-12-02 21:11:12,705 INFO L226 Difference]: Without dead ends: 23211 [2018-12-02 21:11:12,723 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1454 GetRequests, 1452 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 21:11:12,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23211 states. [2018-12-02 21:11:12,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23211 to 23209. [2018-12-02 21:11:12,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23209 states. [2018-12-02 21:11:12,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23209 states to 23209 states and 24433 transitions. [2018-12-02 21:11:12,928 INFO L78 Accepts]: Start accepts. Automaton has 23209 states and 24433 transitions. Word has length 726 [2018-12-02 21:11:12,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:11:12,929 INFO L480 AbstractCegarLoop]: Abstraction has 23209 states and 24433 transitions. [2018-12-02 21:11:12,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 21:11:12,929 INFO L276 IsEmpty]: Start isEmpty. Operand 23209 states and 24433 transitions. [2018-12-02 21:11:12,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 741 [2018-12-02 21:11:12,937 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:11:12,937 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:11:12,937 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:11:12,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:11:12,938 INFO L82 PathProgramCache]: Analyzing trace with hash 1476186146, now seen corresponding path program 1 times [2018-12-02 21:11:12,938 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:11:12,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:11:12,938 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:11:12,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:11:12,938 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:11:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:11:13,190 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 214 proven. 2 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2018-12-02 21:11:13,190 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:11:13,190 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 21:11:13,190 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 741 with the following transitions: [2018-12-02 21:11:13,190 INFO L205 CegarAbsIntRunner]: [0], [1], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [633], [636], [640], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [880], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1167], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1635], [1639], [1648], [1652], [1654], [1661], [1662], [1663], [1665], [1666] [2018-12-02 21:11:13,193 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 21:11:13,193 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 21:11:15,733 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 21:11:15,733 INFO L272 AbstractInterpreter]: Visited 287 different actions 1430 times. Merged at 8 different actions 39 times. Widened at 1 different actions 1 times. Performed 20580 root evaluator evaluations with a maximum evaluation depth of 21. Performed 20580 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 12 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-02 21:11:15,734 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:11:15,734 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 21:11:15,734 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:11:15,735 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/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 [2018-12-02 21:11:15,741 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:11:15,741 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 21:11:15,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:11:15,825 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:11:15,948 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 408 trivial. 0 not checked. [2018-12-02 21:11:15,948 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 21:11:16,080 INFO L134 CoverageAnalysis]: Checked inductivity of 905 backedges. 214 proven. 2 refuted. 0 times theorem prover too weak. 689 trivial. 0 not checked. [2018-12-02 21:11:16,143 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-02 21:11:16,143 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [3, 3] total 3 [2018-12-02 21:11:16,143 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 21:11:16,144 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 21:11:16,144 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 21:11:16,144 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:11:16,144 INFO L87 Difference]: Start difference. First operand 23209 states and 24433 transitions. Second operand 3 states. [2018-12-02 21:11:17,177 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:11:17,177 INFO L93 Difference]: Finished difference Result 52912 states and 55861 transitions. [2018-12-02 21:11:17,177 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 21:11:17,177 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 740 [2018-12-02 21:11:17,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:11:17,214 INFO L225 Difference]: With dead ends: 52912 [2018-12-02 21:11:17,214 INFO L226 Difference]: Without dead ends: 30632 [2018-12-02 21:11:17,234 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1482 GetRequests, 1480 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 21:11:17,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30632 states. [2018-12-02 21:11:17,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30632 to 27224. [2018-12-02 21:11:17,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27224 states. [2018-12-02 21:11:17,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27224 states to 27224 states and 28698 transitions. [2018-12-02 21:11:17,515 INFO L78 Accepts]: Start accepts. Automaton has 27224 states and 28698 transitions. Word has length 740 [2018-12-02 21:11:17,515 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:11:17,515 INFO L480 AbstractCegarLoop]: Abstraction has 27224 states and 28698 transitions. [2018-12-02 21:11:17,516 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 21:11:17,516 INFO L276 IsEmpty]: Start isEmpty. Operand 27224 states and 28698 transitions. [2018-12-02 21:11:17,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 746 [2018-12-02 21:11:17,524 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:11:17,525 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:11:17,525 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:11:17,525 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:11:17,525 INFO L82 PathProgramCache]: Analyzing trace with hash 1443562723, now seen corresponding path program 1 times [2018-12-02 21:11:17,525 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:11:17,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:11:17,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:11:17,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:11:17,526 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:11:17,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:11:18,730 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 485 proven. 53 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-02 21:11:18,731 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:11:18,731 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 21:11:18,731 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 746 with the following transitions: [2018-12-02 21:11:18,731 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [29], [33], [37], [41], [52], [55], [73], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1620], [1624], [1628], [1632], [1634], [1635], [1639], [1648], [1652], [1654], [1659], [1660], [1661], [1662], [1663], [1665], [1666] [2018-12-02 21:11:18,734 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 21:11:18,734 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 21:11:21,651 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 21:11:21,651 INFO L272 AbstractInterpreter]: Visited 313 different actions 927 times. Merged at 7 different actions 16 times. Never widened. Performed 12817 root evaluator evaluations with a maximum evaluation depth of 21. Performed 12817 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 21:11:21,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:11:21,653 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 21:11:21,653 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:11:21,653 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/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 [2018-12-02 21:11:21,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:11:21,660 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 21:11:21,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:11:21,755 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:11:26,675 WARN L180 SmtUtils]: Spent 4.83 s on a formula simplification. DAG size of input: 54 DAG size of output: 46 [2018-12-02 21:11:28,066 WARN L180 SmtUtils]: Spent 794.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 32 [2018-12-02 21:11:28,774 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 485 proven. 53 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-02 21:11:28,774 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 21:11:29,094 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-02 21:11:29,096 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-02 21:11:29,097 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-02 21:11:29,099 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 18 [2018-12-02 21:11:29,361 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 56 [2018-12-02 21:11:29,362 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-02 21:11:29,365 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-02 21:11:29,366 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-02 21:11:29,368 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-02 21:11:29,370 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-02 21:11:29,372 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-02 21:11:29,374 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-02 21:11:29,376 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-02 21:11:29,378 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-02 21:11:30,661 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 485 proven. 53 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2018-12-02 21:11:30,677 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 21:11:30,677 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 10, 10] total 27 [2018-12-02 21:11:30,677 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 21:11:30,678 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-12-02 21:11:30,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-12-02 21:11:30,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=584, Unknown=1, NotChecked=0, Total=702 [2018-12-02 21:11:30,678 INFO L87 Difference]: Start difference. First operand 27224 states and 28698 transitions. Second operand 21 states. [2018-12-02 21:11:32,507 WARN L180 SmtUtils]: Spent 501.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2018-12-02 21:11:33,054 WARN L180 SmtUtils]: Spent 508.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-02 21:11:34,299 WARN L180 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2018-12-02 21:11:34,743 WARN L180 SmtUtils]: Spent 410.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-02 21:11:37,661 WARN L180 SmtUtils]: Spent 499.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-12-02 21:11:38,571 WARN L180 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 57 [2018-12-02 21:11:39,007 WARN L180 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2018-12-02 21:11:40,519 WARN L180 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2018-12-02 21:11:41,579 WARN L180 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 40 [2018-12-02 21:11:42,503 WARN L180 SmtUtils]: Spent 827.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 43 [2018-12-02 21:11:43,997 WARN L180 SmtUtils]: Spent 818.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 41 [2018-12-02 21:11:51,467 WARN L180 SmtUtils]: Spent 812.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 35 [2018-12-02 21:12:01,039 WARN L180 SmtUtils]: Spent 8.21 s on a formula simplification that was a NOOP. DAG size: 55 [2018-12-02 21:12:04,542 WARN L180 SmtUtils]: Spent 505.00 ms on a formula simplification that was a NOOP. DAG size: 54 [2018-12-02 21:12:16,711 WARN L180 SmtUtils]: Spent 427.00 ms on a formula simplification that was a NOOP. DAG size: 61 [2018-12-02 21:12:19,439 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 62 [2018-12-02 21:12:27,101 WARN L180 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 68 DAG size of output: 66 [2018-12-02 21:12:49,640 WARN L180 SmtUtils]: Spent 817.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 43 [2018-12-02 21:12:51,355 WARN L180 SmtUtils]: Spent 816.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 47 [2018-12-02 21:13:06,074 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:13:06,074 INFO L93 Difference]: Finished difference Result 57351 states and 60687 transitions. [2018-12-02 21:13:06,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-12-02 21:13:06,120 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 745 [2018-12-02 21:13:06,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:13:06,153 INFO L225 Difference]: With dead ends: 57351 [2018-12-02 21:13:06,153 INFO L226 Difference]: Without dead ends: 31957 [2018-12-02 21:13:06,169 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1633 GetRequests, 1528 SyntacticMatches, 12 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3152 ImplicationChecksByTransitivity, 53.4s TimeCoverageRelationStatistics Valid=2001, Invalid=6881, Unknown=48, NotChecked=0, Total=8930 [2018-12-02 21:13:06,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31957 states. [2018-12-02 21:13:06,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31957 to 27537. [2018-12-02 21:13:06,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27537 states. [2018-12-02 21:13:06,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27537 states to 27537 states and 28925 transitions. [2018-12-02 21:13:06,448 INFO L78 Accepts]: Start accepts. Automaton has 27537 states and 28925 transitions. Word has length 745 [2018-12-02 21:13:06,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:13:06,449 INFO L480 AbstractCegarLoop]: Abstraction has 27537 states and 28925 transitions. [2018-12-02 21:13:06,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-12-02 21:13:06,449 INFO L276 IsEmpty]: Start isEmpty. Operand 27537 states and 28925 transitions. [2018-12-02 21:13:06,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 874 [2018-12-02 21:13:06,461 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:13:06,461 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:13:06,461 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:13:06,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:13:06,461 INFO L82 PathProgramCache]: Analyzing trace with hash -37716587, now seen corresponding path program 1 times [2018-12-02 21:13:06,461 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:13:06,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:13:06,462 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:13:06,462 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:13:06,462 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:13:06,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:13:07,051 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 664 proven. 53 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2018-12-02 21:13:07,051 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:13:07,051 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 21:13:07,052 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 874 with the following transitions: [2018-12-02 21:13:07,052 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [29], [33], [37], [41], [52], [55], [73], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [857], [862], [864], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1620], [1624], [1628], [1632], [1634], [1635], [1639], [1648], [1652], [1654], [1659], [1660], [1661], [1662], [1663], [1665], [1666] [2018-12-02 21:13:07,054 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 21:13:07,054 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 21:13:09,931 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 21:13:09,932 INFO L272 AbstractInterpreter]: Visited 316 different actions 935 times. Merged at 8 different actions 19 times. Never widened. Performed 12892 root evaluator evaluations with a maximum evaluation depth of 21. Performed 12892 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 5 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 21:13:09,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:13:09,934 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 21:13:09,934 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:13:09,934 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/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 [2018-12-02 21:13:09,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:13:09,970 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 21:13:10,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:13:10,081 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:13:11,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 715 proven. 2 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2018-12-02 21:13:11,304 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 21:13:13,541 INFO L134 CoverageAnalysis]: Checked inductivity of 1059 backedges. 715 proven. 2 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2018-12-02 21:13:13,557 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 21:13:13,557 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 11, 11] total 24 [2018-12-02 21:13:13,557 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 21:13:13,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-02 21:13:13,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-02 21:13:13,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=85, Invalid=467, Unknown=0, NotChecked=0, Total=552 [2018-12-02 21:13:13,559 INFO L87 Difference]: Start difference. First operand 27537 states and 28925 transitions. Second operand 18 states. [2018-12-02 21:13:20,285 WARN L180 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 45 [2018-12-02 21:13:21,367 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 45 [2018-12-02 21:13:22,309 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 44 [2018-12-02 21:13:23,291 WARN L180 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 49 [2018-12-02 21:13:23,490 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 26 [2018-12-02 21:13:28,429 WARN L180 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2018-12-02 21:13:28,741 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 46 [2018-12-02 21:13:35,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:13:35,013 INFO L93 Difference]: Finished difference Result 59759 states and 62893 transitions. [2018-12-02 21:13:35,013 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-12-02 21:13:35,013 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 873 [2018-12-02 21:13:35,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:13:35,051 INFO L225 Difference]: With dead ends: 59759 [2018-12-02 21:13:35,051 INFO L226 Difference]: Without dead ends: 34074 [2018-12-02 21:13:35,073 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1845 GetRequests, 1760 SyntacticMatches, 3 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2033 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=1265, Invalid=5707, Unknown=0, NotChecked=0, Total=6972 [2018-12-02 21:13:35,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34074 states. [2018-12-02 21:13:35,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34074 to 28169. [2018-12-02 21:13:35,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28169 states. [2018-12-02 21:13:35,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28169 states to 28169 states and 29570 transitions. [2018-12-02 21:13:35,397 INFO L78 Accepts]: Start accepts. Automaton has 28169 states and 29570 transitions. Word has length 873 [2018-12-02 21:13:35,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:13:35,397 INFO L480 AbstractCegarLoop]: Abstraction has 28169 states and 29570 transitions. [2018-12-02 21:13:35,397 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-02 21:13:35,397 INFO L276 IsEmpty]: Start isEmpty. Operand 28169 states and 29570 transitions. [2018-12-02 21:13:35,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1112 [2018-12-02 21:13:35,418 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:13:35,419 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:13:35,419 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:13:35,419 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:13:35,419 INFO L82 PathProgramCache]: Analyzing trace with hash 425994079, now seen corresponding path program 1 times [2018-12-02 21:13:35,419 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:13:35,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:13:35,420 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:13:35,420 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:13:35,420 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:13:35,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:13:36,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1751 backedges. 269 proven. 1025 refuted. 0 times theorem prover too weak. 457 trivial. 0 not checked. [2018-12-02 21:13:36,139 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:13:36,139 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 21:13:36,140 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1112 with the following transitions: [2018-12-02 21:13:36,140 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [29], [33], [37], [41], [44], [49], [51], [73], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [644], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [766], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1573], [1578], [1580], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1620], [1624], [1628], [1632], [1634], [1635], [1639], [1648], [1652], [1654], [1659], [1660], [1661], [1662], [1663], [1665], [1666] [2018-12-02 21:13:36,143 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 21:13:36,143 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 21:13:38,737 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 21:13:38,737 INFO L272 AbstractInterpreter]: Visited 318 different actions 1580 times. Merged at 9 different actions 44 times. Widened at 1 different actions 2 times. Performed 22623 root evaluator evaluations with a maximum evaluation depth of 20. Performed 22623 inverse root evaluator evaluations with a maximum inverse evaluation depth of 20. Found 15 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-02 21:13:38,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:13:38,739 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 21:13:38,739 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:13:38,739 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/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 [2018-12-02 21:13:38,783 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:13:38,783 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 21:13:38,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:13:38,909 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:13:39,213 INFO L134 CoverageAnalysis]: Checked inductivity of 1751 backedges. 1260 proven. 2 refuted. 0 times theorem prover too weak. 489 trivial. 0 not checked. [2018-12-02 21:13:39,213 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 21:13:39,824 INFO L134 CoverageAnalysis]: Checked inductivity of 1751 backedges. 575 proven. 112 refuted. 0 times theorem prover too weak. 1064 trivial. 0 not checked. [2018-12-02 21:13:39,840 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 21:13:39,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-02 21:13:39,840 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 21:13:39,841 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 21:13:39,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 21:13:39,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-12-02 21:13:39,841 INFO L87 Difference]: Start difference. First operand 28169 states and 29570 transitions. Second operand 11 states. [2018-12-02 21:13:46,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:13:46,876 INFO L93 Difference]: Finished difference Result 69227 states and 73000 transitions. [2018-12-02 21:13:46,876 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-12-02 21:13:46,876 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1111 [2018-12-02 21:13:46,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:13:46,931 INFO L225 Difference]: With dead ends: 69227 [2018-12-02 21:13:46,931 INFO L226 Difference]: Without dead ends: 42908 [2018-12-02 21:13:46,956 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2325 GetRequests, 2262 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1165 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=710, Invalid=3072, Unknown=0, NotChecked=0, Total=3782 [2018-12-02 21:13:46,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42908 states. [2018-12-02 21:13:47,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42908 to 35947. [2018-12-02 21:13:47,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35947 states. [2018-12-02 21:13:47,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35947 states to 35947 states and 37646 transitions. [2018-12-02 21:13:47,396 INFO L78 Accepts]: Start accepts. Automaton has 35947 states and 37646 transitions. Word has length 1111 [2018-12-02 21:13:47,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:13:47,396 INFO L480 AbstractCegarLoop]: Abstraction has 35947 states and 37646 transitions. [2018-12-02 21:13:47,396 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 21:13:47,396 INFO L276 IsEmpty]: Start isEmpty. Operand 35947 states and 37646 transitions. [2018-12-02 21:13:47,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1118 [2018-12-02 21:13:47,423 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:13:47,423 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:13:47,423 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:13:47,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:13:47,424 INFO L82 PathProgramCache]: Analyzing trace with hash 1673988033, now seen corresponding path program 1 times [2018-12-02 21:13:47,424 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:13:47,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:13:47,424 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:13:47,424 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:13:47,424 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:13:47,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:13:47,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2072 backedges. 720 proven. 112 refuted. 0 times theorem prover too weak. 1240 trivial. 0 not checked. [2018-12-02 21:13:47,955 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:13:47,955 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 21:13:47,955 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1118 with the following transitions: [2018-12-02 21:13:47,955 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [29], [33], [37], [41], [44], [49], [51], [73], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [633], [638], [640], [641], [645], [649], [653], [657], [660], [663], [667], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [766], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1167], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1620], [1624], [1628], [1632], [1634], [1635], [1639], [1648], [1652], [1654], [1659], [1660], [1661], [1662], [1663], [1665], [1666] [2018-12-02 21:13:47,958 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 21:13:47,958 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 21:13:48,638 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 21:13:48,638 INFO L272 AbstractInterpreter]: Visited 321 different actions 1589 times. Merged at 10 different actions 42 times. Never widened. Performed 22688 root evaluator evaluations with a maximum evaluation depth of 15. Performed 22688 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 18 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-02 21:13:48,640 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:13:48,640 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 21:13:48,640 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:13:48,640 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/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 [2018-12-02 21:13:48,646 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:13:48,646 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 21:13:48,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:13:48,775 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:13:54,921 WARN L180 SmtUtils]: Spent 6.04 s on a formula simplification that was a NOOP. DAG size: 44 [2018-12-02 21:14:15,934 WARN L180 SmtUtils]: Spent 20.95 s on a formula simplification. DAG size of input: 199 DAG size of output: 80 [2018-12-02 21:14:17,298 INFO L134 CoverageAnalysis]: Checked inductivity of 2072 backedges. 1011 proven. 53 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2018-12-02 21:14:17,298 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 21:14:17,577 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 6 [2018-12-02 21:14:19,786 INFO L134 CoverageAnalysis]: Checked inductivity of 2072 backedges. 1011 proven. 53 refuted. 0 times theorem prover too weak. 1008 trivial. 0 not checked. [2018-12-02 21:14:19,801 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 21:14:19,802 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 11, 11] total 23 [2018-12-02 21:14:19,802 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 21:14:19,802 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 21:14:19,802 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 21:14:19,802 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=416, Unknown=0, NotChecked=0, Total=506 [2018-12-02 21:14:19,803 INFO L87 Difference]: Start difference. First operand 35947 states and 37646 transitions. Second operand 15 states. [2018-12-02 21:14:28,656 WARN L180 SmtUtils]: Spent 3.54 s on a formula simplification. DAG size of input: 86 DAG size of output: 75 [2018-12-02 21:14:31,450 WARN L180 SmtUtils]: Spent 2.23 s on a formula simplification that was a NOOP. DAG size: 84 [2018-12-02 21:16:08,194 WARN L180 SmtUtils]: Spent 3.79 s on a formula simplification. DAG size of input: 92 DAG size of output: 81 [2018-12-02 21:16:14,536 WARN L180 SmtUtils]: Spent 2.36 s on a formula simplification that was a NOOP. DAG size: 86 [2018-12-02 21:16:59,276 WARN L180 SmtUtils]: Spent 4.16 s on a formula simplification. DAG size of input: 85 DAG size of output: 20 [2018-12-02 21:17:10,223 WARN L180 SmtUtils]: Spent 4.08 s on a formula simplification. DAG size of input: 91 DAG size of output: 28 [2018-12-02 21:17:15,771 WARN L180 SmtUtils]: Spent 4.05 s on a formula simplification. DAG size of input: 89 DAG size of output: 26 [2018-12-02 21:17:57,142 WARN L180 SmtUtils]: Spent 2.43 s on a formula simplification that was a NOOP. DAG size: 83 [2018-12-02 21:18:21,385 WARN L180 SmtUtils]: Spent 4.22 s on a formula simplification. DAG size of input: 94 DAG size of output: 31 [2018-12-02 21:18:28,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:18:28,220 INFO L93 Difference]: Finished difference Result 55658 states and 58264 transitions. [2018-12-02 21:18:28,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-12-02 21:18:28,220 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 1117 [2018-12-02 21:18:28,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:18:28,248 INFO L225 Difference]: With dead ends: 55658 [2018-12-02 21:18:28,248 INFO L226 Difference]: Without dead ends: 23746 [2018-12-02 21:18:28,273 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2297 GetRequests, 2242 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 620 ImplicationChecksByTransitivity, 70.6s TimeCoverageRelationStatistics Valid=664, Invalid=2389, Unknown=27, NotChecked=0, Total=3080 [2018-12-02 21:18:28,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23746 states. [2018-12-02 21:18:28,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23746 to 21861. [2018-12-02 21:18:28,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21861 states. [2018-12-02 21:18:28,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21861 states to 21861 states and 22745 transitions. [2018-12-02 21:18:28,517 INFO L78 Accepts]: Start accepts. Automaton has 21861 states and 22745 transitions. Word has length 1117 [2018-12-02 21:18:28,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:18:28,518 INFO L480 AbstractCegarLoop]: Abstraction has 21861 states and 22745 transitions. [2018-12-02 21:18:28,518 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 21:18:28,518 INFO L276 IsEmpty]: Start isEmpty. Operand 21861 states and 22745 transitions. [2018-12-02 21:18:28,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1238 [2018-12-02 21:18:28,536 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:18:28,537 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:18:28,537 INFO L423 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:18:28,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:18:28,537 INFO L82 PathProgramCache]: Analyzing trace with hash -1700839310, now seen corresponding path program 1 times [2018-12-02 21:18:28,538 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:18:28,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:18:28,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:18:28,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:18:28,538 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:18:28,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:18:29,513 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 265 proven. 1432 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2018-12-02 21:18:29,513 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:18:29,513 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 21:18:29,514 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1238 with the following transitions: [2018-12-02 21:18:29,514 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [29], [33], [37], [41], [52], [55], [73], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [842], [847], [849], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1327], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1455], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1620], [1624], [1628], [1632], [1634], [1635], [1639], [1648], [1652], [1654], [1659], [1660], [1661], [1662], [1663], [1665], [1666] [2018-12-02 21:18:29,517 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 21:18:29,517 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 21:18:30,672 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 21:18:30,672 INFO L272 AbstractInterpreter]: Visited 317 different actions 1580 times. Merged at 9 different actions 45 times. Widened at 1 different actions 1 times. Performed 22674 root evaluator evaluations with a maximum evaluation depth of 21. Performed 22674 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 15 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-02 21:18:30,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:18:30,674 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 21:18:30,674 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:18:30,674 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/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 [2018-12-02 21:18:30,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:18:30,681 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 21:18:30,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:18:30,819 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:18:31,315 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 1132 proven. 2 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2018-12-02 21:18:31,315 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 21:18:32,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2200 backedges. 1132 proven. 2 refuted. 0 times theorem prover too weak. 1066 trivial. 0 not checked. [2018-12-02 21:18:32,125 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 21:18:32,126 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-12-02 21:18:32,126 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 21:18:32,126 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 21:18:32,127 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 21:18:32,127 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2018-12-02 21:18:32,127 INFO L87 Difference]: Start difference. First operand 21861 states and 22745 transitions. Second operand 10 states. [2018-12-02 21:18:40,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:18:40,039 INFO L93 Difference]: Finished difference Result 47116 states and 50291 transitions. [2018-12-02 21:18:40,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 21:18:40,039 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1237 [2018-12-02 21:18:40,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:18:40,085 INFO L225 Difference]: With dead ends: 47116 [2018-12-02 21:18:40,085 INFO L226 Difference]: Without dead ends: 28981 [2018-12-02 21:18:40,107 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2508 GetRequests, 2482 SyntacticMatches, 5 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=144, Invalid=362, Unknown=0, NotChecked=0, Total=506 [2018-12-02 21:18:40,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28981 states. [2018-12-02 21:18:40,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28981 to 23496. [2018-12-02 21:18:40,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23496 states. [2018-12-02 21:18:40,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23496 states to 23496 states and 24256 transitions. [2018-12-02 21:18:40,441 INFO L78 Accepts]: Start accepts. Automaton has 23496 states and 24256 transitions. Word has length 1237 [2018-12-02 21:18:40,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:18:40,442 INFO L480 AbstractCegarLoop]: Abstraction has 23496 states and 24256 transitions. [2018-12-02 21:18:40,442 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 21:18:40,442 INFO L276 IsEmpty]: Start isEmpty. Operand 23496 states and 24256 transitions. [2018-12-02 21:18:40,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1490 [2018-12-02 21:18:40,464 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 21:18:40,464 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 21:18:40,464 INFO L423 AbstractCegarLoop]: === Iteration 23 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 21:18:40,465 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:18:40,465 INFO L82 PathProgramCache]: Analyzing trace with hash 2013699422, now seen corresponding path program 1 times [2018-12-02 21:18:40,465 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 21:18:40,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:18:40,465 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:18:40,465 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 21:18:40,465 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 21:18:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:18:41,316 INFO L134 CoverageAnalysis]: Checked inductivity of 3591 backedges. 1490 proven. 2 refuted. 0 times theorem prover too weak. 2099 trivial. 0 not checked. [2018-12-02 21:18:41,316 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:18:41,316 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 21:18:41,316 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1490 with the following transitions: [2018-12-02 21:18:41,316 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [29], [33], [37], [41], [52], [55], [73], [74], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [437], [439], [442], [450], [458], [466], [474], [482], [490], [498], [506], [514], [522], [530], [538], [546], [554], [562], [567], [571], [582], [586], [590], [594], [598], [602], [606], [610], [614], [618], [622], [626], [630], [641], [645], [649], [653], [657], [668], [672], [676], [680], [684], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [758], [759], [762], [763], [767], [771], [775], [779], [783], [787], [798], [809], [813], [824], [835], [839], [850], [854], [865], [869], [873], [877], [881], [885], [896], [900], [904], [908], [911], [912], [916], [920], [924], [935], [939], [943], [947], [951], [955], [959], [963], [967], [971], [975], [979], [983], [987], [991], [1002], [1006], [1010], [1014], [1018], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1072], [1076], [1080], [1084], [1088], [1092], [1096], [1100], [1104], [1108], [1112], [1116], [1120], [1124], [1128], [1132], [1136], [1140], [1144], [1148], [1152], [1156], [1160], [1164], [1168], [1172], [1176], [1180], [1191], [1202], [1206], [1210], [1214], [1218], [1229], [1233], [1237], [1241], [1245], [1256], [1260], [1264], [1268], [1272], [1276], [1280], [1284], [1288], [1292], [1296], [1299], [1300], [1304], [1308], [1312], [1316], [1320], [1324], [1328], [1332], [1336], [1340], [1344], [1348], [1352], [1356], [1367], [1371], [1375], [1379], [1383], [1394], [1398], [1402], [1406], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1452], [1456], [1460], [1471], [1475], [1486], [1490], [1494], [1498], [1502], [1506], [1510], [1514], [1518], [1522], [1526], [1530], [1534], [1538], [1542], [1546], [1550], [1554], [1558], [1561], [1562], [1566], [1570], [1573], [1578], [1580], [1581], [1585], [1589], [1593], [1597], [1601], [1612], [1616], [1620], [1624], [1628], [1632], [1634], [1635], [1639], [1648], [1652], [1654], [1659], [1660], [1661], [1662], [1663], [1665], [1666] [2018-12-02 21:18:41,319 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 21:18:41,319 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 21:18:46,486 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 21:18:46,486 INFO L272 AbstractInterpreter]: Visited 319 different actions 1259 times. Merged at 8 different actions 23 times. Never widened. Performed 17998 root evaluator evaluations with a maximum evaluation depth of 21. Performed 17998 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 16 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-02 21:18:46,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 21:18:46,489 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 21:18:46,489 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 21:18:46,489 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/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 [2018-12-02 21:18:46,495 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 21:18:46,495 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 21:18:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 21:18:46,660 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 21:18:47,253 INFO L134 CoverageAnalysis]: Checked inductivity of 3591 backedges. 1490 proven. 2 refuted. 0 times theorem prover too weak. 2099 trivial. 0 not checked. [2018-12-02 21:18:47,253 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 21:18:48,249 INFO L134 CoverageAnalysis]: Checked inductivity of 3591 backedges. 1490 proven. 2 refuted. 0 times theorem prover too weak. 2099 trivial. 0 not checked. [2018-12-02 21:18:48,265 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 21:18:48,266 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-12-02 21:18:48,266 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 21:18:48,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 21:18:48,266 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 21:18:48,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-02 21:18:48,267 INFO L87 Difference]: Start difference. First operand 23496 states and 24256 transitions. Second operand 7 states. [2018-12-02 21:18:50,255 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 21:18:50,255 INFO L93 Difference]: Finished difference Result 41357 states and 42759 transitions. [2018-12-02 21:18:50,256 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-02 21:18:50,256 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1489 [2018-12-02 21:18:50,256 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 21:18:50,257 INFO L225 Difference]: With dead ends: 41357 [2018-12-02 21:18:50,257 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 21:18:50,277 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2993 GetRequests, 2978 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-12-02 21:18:50,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 21:18:50,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 21:18:50,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 21:18:50,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 21:18:50,278 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1489 [2018-12-02 21:18:50,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 21:18:50,278 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 21:18:50,278 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 21:18:50,278 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 21:18:50,278 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 21:18:50,281 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 21:18:50,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,486 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,523 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,655 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,731 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,804 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,856 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,858 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,866 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,914 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,915 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:50,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,175 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,389 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,777 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:51,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:52,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:52,025 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:52,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:52,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:52,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:52,530 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:52,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:52,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:52,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:52,702 WARN L180 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 1236 DAG size of output: 986 [2018-12-02 21:18:52,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:52,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:52,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:52,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:52,809 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:52,825 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:52,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:52,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:52,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:52,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:53,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:53,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:53,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:53,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:53,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:53,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:53,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:53,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:53,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:53,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:53,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:53,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:53,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:53,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:53,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:53,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:53,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:53,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:53,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:53,704 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:53,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,289 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,291 WARN L180 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1230 DAG size of output: 980 [2018-12-02 21:18:54,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,316 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,488 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,496 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:18:54,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 21:19:03,920 WARN L180 SmtUtils]: Spent 9.10 s on a formula simplification. DAG size of input: 907 DAG size of output: 199 [2018-12-02 21:19:13,744 WARN L180 SmtUtils]: Spent 9.80 s on a formula simplification. DAG size of input: 913 DAG size of output: 202 [2018-12-02 21:19:23,979 WARN L180 SmtUtils]: Spent 10.22 s on a formula simplification. DAG size of input: 951 DAG size of output: 143 [2018-12-02 21:19:33,127 WARN L180 SmtUtils]: Spent 9.14 s on a formula simplification. DAG size of input: 945 DAG size of output: 146 [2018-12-02 21:19:40,497 WARN L180 SmtUtils]: Spent 7.34 s on a formula simplification. DAG size of input: 970 DAG size of output: 221 [2018-12-02 21:19:40,500 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 21:19:40,500 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= |old(~a29~0)| ~a29~0) (= ~a2~0 |old(~a2~0)|) (<= ~a29~0 |old(~a29~0)|) (= ~a0~0 |old(~a0~0)|) (= ~a4~0 |old(~a4~0)|)) [2018-12-02 21:19:40,500 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 21:19:40,500 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1658 1758) no Hoare annotation was computed. [2018-12-02 21:19:40,500 INFO L448 ceAbstractionStarter]: For program point L1749(lines 1749 1756) no Hoare annotation was computed. [2018-12-02 21:19:40,500 INFO L448 ceAbstractionStarter]: For program point L1729(lines 1729 1756) no Hoare annotation was computed. [2018-12-02 21:19:40,501 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1658 1758) the Hoare annotation is: (let ((.cse41 (+ |old(~a4~0)| 89)) (.cse39 (+ |old(~a29~0)| 127))) (let ((.cse18 (< .cse39 0)) (.cse8 (< 0 .cse41)) (.cse45 (= 3 |old(~a2~0)|)) (.cse27 (= 4 |old(~a2~0)|))) (let ((.cse38 (or .cse8 .cse45 (< 0 .cse39) .cse27)) (.cse1 (not (= |old(~a2~0)| 1))) (.cse36 (= 1 ~a2~0)) (.cse43 (= ~a2~0 |old(~a2~0)|)) (.cse44 (+ |old(~a0~0)| 147)) (.cse25 (< |old(~a2~0)| 4)) (.cse26 (< 0 (+ |old(~a0~0)| 104))) (.cse29 (<= |old(~a29~0)| ~a29~0)) (.cse31 (<= ~a29~0 |old(~a29~0)|)) (.cse11 (= 3 ~a2~0)) (.cse10 (= ~a0~0 |old(~a0~0)|)) (.cse23 (<= (+ |old(~a29~0)| 16) 0)) (.cse35 (or .cse8 .cse45 .cse18 .cse27)) (.cse30 (= |old(~a2~0)| ~a2~0)) (.cse9 (= ~a29~0 |old(~a29~0)|)) (.cse12 (= ~a4~0 |old(~a4~0)|))) (let ((.cse2 (< 0 (+ |old(~a0~0)| 300076))) (.cse19 (and .cse30 .cse9 .cse12)) (.cse21 (< 929269 |old(~a29~0)|)) (.cse20 (or .cse23 .cse35)) (.cse28 (and (and .cse9 .cse11) .cse10 .cse12)) (.cse32 (= 2 ~a2~0)) (.cse14 (not .cse45)) (.cse37 (and .cse29 .cse31 .cse10 .cse11 .cse12)) (.cse4 (or .cse25 .cse18 .cse26 .cse27)) (.cse5 (< 0 .cse44)) (.cse22 (and .cse29 .cse43 .cse31 .cse10 .cse12)) (.cse17 (not .cse27)) (.cse6 (and .cse29 .cse30 .cse31 .cse10 .cse12)) (.cse16 (not (= 2 |old(~a2~0)|))) (.cse33 (< 0 (+ |old(~a29~0)| 144))) (.cse3 (and .cse29 .cse36 .cse31 .cse10 .cse12)) (.cse34 (< 43 |old(~a29~0)|)) (.cse13 (<= .cse44 0)) (.cse0 (< 0 (+ |old(~a4~0)| 42))) (.cse15 (< (+ |old(~a4~0)| 85) 0)) (.cse24 (< 0 (+ |old(~a0~0)| 98))) (.cse7 (< 0 (+ |old(~a0~0)| 61))) (.cse42 (and (or .cse38 .cse1) (or .cse35 .cse1)))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or (or .cse0 .cse4) .cse5 .cse6) (or .cse7 .cse8 (and .cse9 .cse10 .cse11 .cse12) .cse13 .cse14) (or .cse0 .cse5 .cse15 .cse6 .cse16) (or (or .cse17 .cse0 .cse2 .cse15 .cse18) .cse6) (or .cse7 (and .cse10 .cse19) .cse16 .cse20) (or .cse0 .cse21 .cse22 (or .cse23 .cse15) .cse16 .cse24) (or .cse0 .cse6 (or .cse25 .cse15 .cse13 .cse26 .cse27)) (or .cse5 .cse28 (or .cse0 .cse23 .cse14)) (or (and (and .cse29 .cse30 .cse31 .cse12) (= |old(~a0~0)| ~a0~0)) (or (or .cse25 .cse0 .cse15 .cse27) .cse2)) (or .cse7 .cse17 .cse8 (and .cse19 .cse10)) (or (and .cse29 .cse31 .cse10 .cse32 .cse12) .cse21 .cse20 .cse16) (or .cse5 .cse28 (or .cse0 .cse33 .cse14)) (or .cse6 .cse34 .cse35 .cse16) (or .cse6 (or .cse17 .cse8 .cse34)) (or (and (and .cse9 .cse36) .cse10 .cse12) (or .cse23 .cse15 .cse1) .cse0 .cse34) (or (or (and (or (or .cse0 .cse34 .cse18 .cse13) .cse14) (or .cse0 .cse15 .cse14)) .cse24) (and (and .cse29 .cse10 .cse11 .cse12) .cse31)) (or (or .cse8 .cse23) .cse37 .cse14) (or (and .cse29 .cse31 .cse30 .cse10 .cse12) (or .cse25 (or .cse8 .cse27))) (or .cse17 .cse0 .cse5 .cse15 .cse33 .cse6) (or .cse7 .cse38 (and .cse9 .cse10 .cse32 .cse12) .cse16) (or (or .cse8 .cse14 .cse33) .cse37) (or (or .cse0 .cse34 .cse4) .cse6) (let ((.cse40 (+ |old(~a0~0)| 44))) (or (and .cse12 .cse36 .cse10 (= (+ ~a29~0 127) 0)) (not (= 0 .cse39)) .cse1 (< 0 .cse40) (not (= 0 .cse41)) (< .cse40 0))) (or .cse5 (or .cse0 (or (< |old(~a29~0)| 43) .cse1)) .cse22) (or (or .cse42 .cse33) (and (and .cse9 .cse43) .cse10 .cse12)) (or (and (and .cse9 (= 4 ~a2~0)) .cse10 .cse12) (or .cse0 (or .cse17 .cse23 .cse15) .cse26)) (or .cse38 .cse6 .cse16 .cse33) (or .cse3 (or .cse7 .cse0 .cse34 .cse13 .cse1)) (or (or .cse0 (or .cse25 .cse23 .cse15 .cse27)) (and (and .cse29 .cse43 .cse10 .cse12) .cse31) .cse24) (or .cse7 .cse42 (and .cse10 (and .cse9 .cse36 .cse12)))))))) [2018-12-02 21:19:40,501 INFO L448 ceAbstractionStarter]: For program point L1742(lines 1742 1756) no Hoare annotation was computed. [2018-12-02 21:19:40,501 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1756) no Hoare annotation was computed. [2018-12-02 21:19:40,501 INFO L448 ceAbstractionStarter]: For program point L1672(lines 1672 1756) no Hoare annotation was computed. [2018-12-02 21:19:40,501 INFO L448 ceAbstractionStarter]: For program point L1701(lines 1701 1756) no Hoare annotation was computed. [2018-12-02 21:19:40,501 INFO L448 ceAbstractionStarter]: For program point L1668(lines 1668 1756) no Hoare annotation was computed. [2018-12-02 21:19:40,501 INFO L448 ceAbstractionStarter]: For program point L1722(lines 1722 1756) no Hoare annotation was computed. [2018-12-02 21:19:40,501 INFO L448 ceAbstractionStarter]: For program point L1685(lines 1685 1756) no Hoare annotation was computed. [2018-12-02 21:19:40,501 INFO L448 ceAbstractionStarter]: For program point L1710(lines 1710 1721) no Hoare annotation was computed. [2018-12-02 21:19:40,501 INFO L448 ceAbstractionStarter]: For program point L1710-2(lines 1710 1721) no Hoare annotation was computed. [2018-12-02 21:19:40,501 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1658 1758) no Hoare annotation was computed. [2018-12-02 21:19:40,501 INFO L448 ceAbstractionStarter]: For program point L1706(lines 1706 1756) no Hoare annotation was computed. [2018-12-02 21:19:40,501 INFO L448 ceAbstractionStarter]: For program point L1735(lines 1735 1756) no Hoare annotation was computed. [2018-12-02 21:19:40,501 INFO L448 ceAbstractionStarter]: For program point L1694(lines 1694 1756) no Hoare annotation was computed. [2018-12-02 21:19:40,501 INFO L448 ceAbstractionStarter]: For program point L1661(lines 1661 1756) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L1686(lines 1686 1693) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L1686-2(lines 1686 1693) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L1678(lines 1678 1756) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L895(lines 895 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L829(lines 829 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L433(lines 433 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L830(lines 830 839) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L830-2(lines 830 839) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L1623(lines 1623 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L1359(lines 1359 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L1162(lines 1162 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L1030(lines 1030 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,502 INFO L448 ceAbstractionStarter]: For program point L634(lines 634 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L502(lines 502 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L1494(lines 1494 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L1098(lines 1098 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L966(lines 966 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L768(lines 768 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L1231(lines 1231 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L1099(lines 1099 1107) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L1099-2(lines 1099 1107) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L901(lines 901 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L439(lines 439 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L307(lines 307 319) no Hoare annotation was computed. [2018-12-02 21:19:40,503 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L307-2(lines 307 319) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L1629(lines 1629 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L1431(lines 1431 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L1365(lines 1365 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L1035(lines 1035 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L1300(lines 1300 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L1168(lines 1168 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L574(lines 574 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L707(lines 707 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 586) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L575-2(lines 575 586) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L1038(lines 1038 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,504 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 651) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L642-2(lines 642 651) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L1501(lines 1501 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L1237(lines 1237 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L973(lines 973 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L907(lines 907 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L445(lines 445 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L1635(lines 1635 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L1371(lines 1371 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L1570(lines 1570 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L1438(lines 1438 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L1306(lines 1306 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L1108(lines 1108 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,505 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L1571(lines 1571 1581) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L1571-2(lines 1571 1581) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L1439(lines 1439 1448) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L1439-2(lines 1439 1448) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L845(lines 845 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L779(lines 779 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L1044(lines 1044 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L1243(lines 1243 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L1640(lines 1640 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L1508(lines 1508 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-02 21:19:40,506 INFO L448 ceAbstractionStarter]: For program point L1178(lines 1178 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L1378(lines 1378 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L652(lines 652 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L520(lines 520 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L1511(lines 1511 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L1313(lines 1313 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L1115(lines 1115 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L1049(lines 1049 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 528) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L521-2(lines 521 528) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L1050(lines 1050 1061) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L1050-2(lines 1050 1061) no Hoare annotation was computed. [2018-12-02 21:19:40,507 INFO L448 ceAbstractionStarter]: For program point L786(lines 786 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,508 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1656) the Hoare annotation is: (let ((.cse40 (+ |old(~a4~0)| 89)) (.cse38 (+ |old(~a29~0)| 127))) (let ((.cse18 (< .cse38 0)) (.cse8 (< 0 .cse40)) (.cse45 (= 3 |old(~a2~0)|)) (.cse27 (= 4 |old(~a2~0)|))) (let ((.cse37 (or .cse8 .cse45 (< 0 .cse38) .cse27)) (.cse1 (not (= |old(~a2~0)| 1))) (.cse35 (= 1 ~a2~0)) (.cse42 (= ~a2~0 |old(~a2~0)|)) (.cse44 (+ |old(~a0~0)| 147)) (.cse25 (< |old(~a2~0)| 4)) (.cse26 (< 0 (+ |old(~a0~0)| 104))) (.cse29 (<= |old(~a29~0)| ~a29~0)) (.cse31 (<= ~a29~0 |old(~a29~0)|)) (.cse11 (= 3 ~a2~0)) (.cse10 (= ~a0~0 |old(~a0~0)|)) (.cse23 (<= (+ |old(~a29~0)| 16) 0)) (.cse41 (or .cse8 .cse45 .cse18 .cse27)) (.cse30 (= |old(~a2~0)| ~a2~0)) (.cse9 (= ~a29~0 |old(~a29~0)|)) (.cse12 (= ~a4~0 |old(~a4~0)|))) (let ((.cse2 (< 0 (+ |old(~a0~0)| 300076))) (.cse19 (and .cse30 .cse9 .cse12)) (.cse21 (< 929269 |old(~a29~0)|)) (.cse20 (or .cse23 .cse41)) (.cse28 (and (and .cse9 .cse11) .cse10 .cse12)) (.cse32 (= 2 ~a2~0)) (.cse14 (not .cse45)) (.cse36 (and .cse29 .cse31 .cse10 .cse11 .cse12)) (.cse4 (or .cse25 .cse18 .cse26 .cse27)) (.cse5 (< 0 .cse44)) (.cse22 (and .cse29 .cse42 .cse31 .cse10 .cse12)) (.cse17 (not .cse27)) (.cse6 (and .cse29 .cse30 .cse31 .cse10 .cse12)) (.cse16 (not (= 2 |old(~a2~0)|))) (.cse33 (< 0 (+ |old(~a29~0)| 144))) (.cse3 (and .cse29 .cse35 .cse31 .cse10 .cse12)) (.cse34 (< 43 |old(~a29~0)|)) (.cse13 (<= .cse44 0)) (.cse0 (< 0 (+ |old(~a4~0)| 42))) (.cse15 (< (+ |old(~a4~0)| 85) 0)) (.cse24 (< 0 (+ |old(~a0~0)| 98))) (.cse7 (< 0 (+ |old(~a0~0)| 61))) (.cse43 (and (or .cse37 .cse1) (or .cse41 .cse1)))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or (or .cse0 .cse4) .cse5 .cse6) (or .cse7 .cse8 (and .cse9 .cse10 .cse11 .cse12) .cse13 .cse14) (or .cse0 .cse5 .cse15 .cse6 .cse16) (or (or .cse17 .cse0 .cse2 .cse15 .cse18) .cse6) (or .cse7 (and .cse10 .cse19) .cse16 .cse20) (or .cse0 .cse21 .cse22 (or .cse23 .cse15) .cse16 .cse24) (or .cse0 .cse6 (or .cse25 .cse15 .cse13 .cse26 .cse27)) (or .cse5 .cse28 (or .cse0 .cse23 .cse14)) (or (and (and .cse29 .cse30 .cse31 .cse12) (= |old(~a0~0)| ~a0~0)) (or (or .cse25 .cse0 .cse15 .cse27) .cse2)) (or .cse7 .cse17 .cse8 (and .cse19 .cse10)) (or (and .cse29 .cse31 .cse10 .cse32 .cse12) .cse21 .cse20 .cse16) (or .cse5 .cse28 (or .cse0 .cse33 .cse14)) (or .cse6 (or .cse17 .cse8 .cse34)) (or (and (and .cse9 .cse35) .cse10 .cse12) (or .cse23 .cse15 .cse1) .cse0 .cse34) (or (or (and (or (or .cse0 .cse34 .cse18 .cse13) .cse14) (or .cse0 .cse15 .cse14)) .cse24) (and (and .cse29 .cse10 .cse11 .cse12) .cse31)) (or (or .cse8 .cse23) .cse36 .cse14) (or (and .cse29 .cse31 .cse30 .cse10 .cse12) (or .cse25 (or .cse8 .cse27))) (or .cse17 .cse0 .cse5 .cse15 .cse33 .cse6) (or .cse7 .cse37 (and .cse9 .cse10 .cse32 .cse12) .cse16) (let ((.cse39 (+ |old(~a0~0)| 44))) (or (not (= 0 .cse38)) (= |calculate_output_#in~input| 0) .cse1 (< 0 .cse39) (not (= 0 .cse40)) (< .cse39 0) (and .cse12 .cse35 .cse10 (= (+ ~a29~0 127) 0)))) (or (or .cse8 .cse14 .cse33) .cse36) (or .cse6 (or .cse34 .cse41 .cse16)) (or (or .cse0 .cse34 .cse4) .cse6) (or .cse5 (or .cse0 (or (< |old(~a29~0)| 43) .cse1)) .cse22) (or (and (and .cse9 .cse42) .cse10 .cse12) (or .cse43 .cse33)) (or (and (and .cse9 (= 4 ~a2~0)) .cse10 .cse12) (or .cse0 (or .cse17 .cse23 .cse15) .cse26)) (or .cse37 .cse6 .cse16 .cse33) (or .cse3 (or .cse7 .cse0 .cse34 .cse13 .cse1)) (or (or .cse0 (or .cse25 .cse23 .cse15 .cse27)) (and (and .cse29 .cse42 .cse10 .cse12) .cse31) .cse24) (or .cse7 .cse43 (and .cse10 (and .cse9 .cse35 .cse12)))))))) [2018-12-02 21:19:40,508 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,508 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,508 INFO L448 ceAbstractionStarter]: For program point L1249(lines 1249 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,508 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,508 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,508 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,508 INFO L448 ceAbstractionStarter]: For program point L985(lines 985 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,508 INFO L448 ceAbstractionStarter]: For program point L919(lines 919 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,508 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 402) no Hoare annotation was computed. [2018-12-02 21:19:40,508 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 391 402) no Hoare annotation was computed. [2018-12-02 21:19:40,508 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-02 21:19:40,508 INFO L448 ceAbstractionStarter]: For program point L1184(lines 1184 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,508 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-02 21:19:40,508 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-02 21:19:40,508 INFO L448 ceAbstractionStarter]: For program point L1647(lines 1647 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,509 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,509 INFO L448 ceAbstractionStarter]: For program point L1317(lines 1317 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,509 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,509 INFO L448 ceAbstractionStarter]: For program point L855(lines 855 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,509 INFO L448 ceAbstractionStarter]: For program point L657(lines 657 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,509 INFO L448 ceAbstractionStarter]: For program point L1582(lines 1582 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,509 INFO L448 ceAbstractionStarter]: For program point L1516(lines 1516 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,509 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,509 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,509 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,509 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,509 INFO L448 ceAbstractionStarter]: For program point L1385(lines 1385 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,509 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-02 21:19:40,509 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 21:19:40,509 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-02 21:19:40,510 INFO L448 ceAbstractionStarter]: For program point L725(lines 725 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,510 INFO L448 ceAbstractionStarter]: For program point L1122(lines 1122 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,510 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,510 INFO L448 ceAbstractionStarter]: For program point L462(lines 462 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,510 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,510 INFO L448 ceAbstractionStarter]: For program point L1255(lines 1255 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,510 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,510 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,510 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,510 INFO L448 ceAbstractionStarter]: For program point L925(lines 925 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,510 INFO L448 ceAbstractionStarter]: For program point L793(lines 793 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,510 INFO L448 ceAbstractionStarter]: For program point L595(lines 595 605) no Hoare annotation was computed. [2018-12-02 21:19:40,510 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,510 INFO L448 ceAbstractionStarter]: For program point L595-2(lines 595 605) no Hoare annotation was computed. [2018-12-02 21:19:40,510 INFO L448 ceAbstractionStarter]: For program point L1388(lines 1388 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,511 INFO L448 ceAbstractionStarter]: For program point L1322(lines 1322 1332) no Hoare annotation was computed. [2018-12-02 21:19:40,511 INFO L448 ceAbstractionStarter]: For program point L1322-2(lines 1322 1332) no Hoare annotation was computed. [2018-12-02 21:19:40,511 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-02 21:19:40,511 INFO L448 ceAbstractionStarter]: For program point L1190(lines 1190 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,511 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-02 21:19:40,511 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-02 21:19:40,511 INFO L448 ceAbstractionStarter]: For program point L992(lines 992 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,511 INFO L448 ceAbstractionStarter]: For program point L794(lines 794 803) no Hoare annotation was computed. [2018-12-02 21:19:40,511 INFO L448 ceAbstractionStarter]: For program point L794-2(lines 794 803) no Hoare annotation was computed. [2018-12-02 21:19:40,511 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,511 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 541) no Hoare annotation was computed. [2018-12-02 21:19:40,511 INFO L448 ceAbstractionStarter]: For program point L530-2(lines 530 541) no Hoare annotation was computed. [2018-12-02 21:19:40,511 INFO L448 ceAbstractionStarter]: For program point L266(lines 266 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,511 INFO L448 ceAbstractionStarter]: For program point L1522(lines 1522 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,511 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,512 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,512 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,512 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,512 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,512 INFO L448 ceAbstractionStarter]: For program point L862(lines 862 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,513 INFO L444 ceAbstractionStarter]: At program point L1655(line 1655) the Hoare annotation is: (let ((.cse53 (+ |old(~a4~0)| 89)) (.cse47 (+ |old(~a29~0)| 127))) (let ((.cse15 (< .cse47 0)) (.cse8 (< 0 .cse53)) (.cse55 (= 3 |old(~a2~0)|)) (.cse52 (< 0 .cse47)) (.cse36 (= 4 |old(~a2~0)|)) (.cse22 (= |old(~a2~0)| ~a2~0)) (.cse37 (= ~a29~0 |old(~a29~0)|)) (.cse24 (= ~a4~0 |old(~a4~0)|))) (let ((.cse17 (and .cse22 .cse37 .cse24)) (.cse40 (or .cse8 .cse55 .cse52 .cse36)) (.cse1 (not (= |old(~a2~0)| 1))) (.cse46 (= 1 ~a2~0)) (.cse54 (+ |old(~a0~0)| 147)) (.cse42 (= ~a2~0 |old(~a2~0)|)) (.cse32 (<= (+ |old(~a29~0)| 16) 0)) (.cse20 (or .cse8 .cse55 .cse15 .cse36)) (.cse21 (<= |old(~a29~0)| ~a29~0)) (.cse23 (<= ~a29~0 |old(~a29~0)|)) (.cse16 (= ~a0~0 |old(~a0~0)|)) (.cse38 (= 3 ~a2~0)) (.cse25 (+ ~a29~0 16)) (.cse34 (< |old(~a2~0)| 4)) (.cse35 (< 0 (+ |old(~a0~0)| 104)))) (let ((.cse4 (or .cse34 .cse15 .cse35 .cse36)) (.cse28 (<= (+ ~a4~0 86) 0)) (.cse26 (+ ~a0~0 147)) (.cse29 (<= .cse25 0)) (.cse2 (< 0 (+ |old(~a0~0)| 300076))) (.cse33 (and .cse21 .cse23 .cse16 .cse38 .cse24)) (.cse30 (not (= 2 calculate_output_~input))) (.cse14 (not .cse36)) (.cse12 (< (+ |old(~a4~0)| 85) 0)) (.cse31 (< 0 (+ |old(~a0~0)| 98))) (.cse43 (< 929269 |old(~a29~0)|)) (.cse18 (or .cse32 .cse20)) (.cse44 (and (and .cse37 .cse42) .cse16 .cse24)) (.cse6 (and .cse21 .cse22 .cse23 .cse16 .cse24)) (.cse13 (not (= 2 |old(~a2~0)|))) (.cse39 (< 0 (+ |old(~a29~0)| 144))) (.cse9 (and .cse37 .cse16 .cse38 .cse24)) (.cse11 (not .cse55)) (.cse19 (< 43 |old(~a29~0)|)) (.cse10 (<= .cse54 0)) (.cse3 (and .cse21 .cse46 .cse23 .cse16 .cse24)) (.cse5 (< 0 .cse54)) (.cse0 (< 0 (+ |old(~a4~0)| 42))) (.cse41 (and .cse37 .cse46)) (.cse7 (< 0 (+ |old(~a0~0)| 61))) (.cse45 (and (or .cse40 .cse1) (or .cse20 .cse1))) (.cse51 (not (= 0 .cse53))) (.cse48 (= |calculate_output_#in~input| 0)) (.cse49 (not (= calculate_output_~input 0))) (.cse27 (and .cse17 .cse16))) (and (or (or .cse0 .cse1) .cse2 .cse3) (or (or .cse0 .cse4) .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse10 .cse11) (or .cse0 .cse5 .cse12 .cse6 .cse13) (or (or .cse14 .cse0 .cse2 .cse12 .cse15) .cse6) (or .cse7 (and .cse16 .cse17) .cse13 .cse18) (or (or .cse19 .cse20 .cse13) (and .cse21 .cse22 .cse23 .cse16 .cse24 (or (< 0 .cse25) (< 0 .cse26)))) (or .cse7 .cse14 .cse8 .cse27) (or .cse0 (or .cse28 .cse29 .cse30) .cse10 .cse1 .cse19 .cse31) (or .cse6 (or .cse14 .cse8 .cse19)) (or (or .cse8 .cse32) .cse33 .cse11) (or .cse6 .cse0 (or .cse34 .cse12 .cse10 .cse35 .cse36)) (or (or .cse0 .cse19 .cse4) (and .cse16 .cse24 (and .cse37 .cse22))) (or (or (and (or (or .cse0 .cse19 .cse15 .cse10) .cse11) (or .cse0 .cse12 .cse11)) .cse31) (and .cse37 (or .cse28 (<= .cse26 0) .cse29 (not (= calculate_output_~input 2))) .cse16 .cse38 .cse24)) (or .cse14 .cse0 .cse5 .cse12 .cse39 .cse6) (or .cse6 (or (or .cse34 .cse0 .cse12 .cse36) .cse2)) (or .cse7 .cse40 (and .cse37 .cse16 (= 2 ~a2~0) .cse24) .cse13) (or (or .cse8 .cse11 .cse39) .cse33) (or (or .cse32 .cse12 .cse1) .cse0 .cse19 (and .cse41 .cse16 .cse24)) (or (and .cse21 .cse42 .cse23 .cse16 .cse24 (or (<= 44 |old(~a29~0)|) .cse30)) .cse0 .cse43 (or .cse32 .cse12 .cse10) .cse13 .cse31) (or .cse44 (or .cse0 (or .cse14 .cse32 .cse12) .cse35)) (or (or .cse0 (or .cse34 .cse32 .cse12 .cse36)) (and .cse16 .cse24 (and .cse22 .cse37)) .cse31) (or .cse43 .cse18 .cse13 (and .cse21 .cse42 .cse23 .cse16 .cse24)) (or .cse44 (or .cse45 .cse39)) (or (and .cse38 .cse21 .cse23 .cse16 .cse24) .cse5 (or .cse0 .cse39 .cse11)) (or .cse40 .cse6 .cse13 .cse39) (or .cse5 .cse9 (or .cse0 .cse32 .cse11)) (or (or .cse7 .cse0 .cse19 .cse10 .cse1) .cse3) (or .cse5 (or .cse0 (or (< |old(~a29~0)| 43) .cse1)) (and .cse16 .cse24 .cse41)) (or .cse7 .cse45 (and .cse16 (and .cse37 .cse46 .cse24))) (let ((.cse50 (+ |old(~a0~0)| 44))) (or (not (= 0 .cse47)) .cse48 (and .cse49 .cse24 .cse46 .cse16 (= (+ ~a29~0 127) 0)) .cse1 (< 0 .cse50) .cse51 (< .cse50 0))) (or (or .cse51 .cse52 .cse48) .cse49 .cse35 .cse1) (or (or .cse34 (or .cse8 .cse36)) .cse27)))))) [2018-12-02 21:19:40,513 INFO L448 ceAbstractionStarter]: For program point L1655-1(line 1655) no Hoare annotation was computed. [2018-12-02 21:19:40,513 INFO L448 ceAbstractionStarter]: For program point L1589(lines 1589 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,513 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-02 21:19:40,513 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-02 21:19:40,513 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-02 21:19:40,513 INFO L448 ceAbstractionStarter]: For program point L1128(lines 1128 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,513 INFO L448 ceAbstractionStarter]: For program point L1062(lines 1062 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,513 INFO L448 ceAbstractionStarter]: For program point L930(lines 930 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,513 INFO L448 ceAbstractionStarter]: For program point L732(lines 732 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,513 INFO L448 ceAbstractionStarter]: For program point L468(lines 468 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,513 INFO L448 ceAbstractionStarter]: For program point L336(lines 336 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,513 INFO L448 ceAbstractionStarter]: For program point L1261(lines 1261 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,513 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,514 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,514 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,514 INFO L448 ceAbstractionStarter]: For program point L1063(lines 1063 1073) no Hoare annotation was computed. [2018-12-02 21:19:40,514 INFO L448 ceAbstractionStarter]: For program point L1063-2(lines 1063 1073) no Hoare annotation was computed. [2018-12-02 21:19:40,514 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,514 INFO L448 ceAbstractionStarter]: For program point L1394(lines 1394 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,514 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-02 21:19:40,514 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 21:19:40,514 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-02 21:19:40,514 INFO L448 ceAbstractionStarter]: For program point L998(lines 998 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,514 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,514 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,514 INFO L448 ceAbstractionStarter]: For program point L1395(lines 1395 1407) no Hoare annotation was computed. [2018-12-02 21:19:40,514 INFO L448 ceAbstractionStarter]: For program point L1395-2(lines 1395 1407) no Hoare annotation was computed. [2018-12-02 21:19:40,515 INFO L448 ceAbstractionStarter]: For program point L1197(lines 1197 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,515 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,515 INFO L448 ceAbstractionStarter]: For program point L1528(lines 1528 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,515 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,515 INFO L448 ceAbstractionStarter]: For program point L1264(lines 1264 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,515 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,515 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,515 INFO L448 ceAbstractionStarter]: For program point L868(lines 868 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,515 INFO L448 ceAbstractionStarter]: For program point L1595(lines 1595 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,515 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-02 21:19:40,515 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-02 21:19:40,515 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,515 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,515 INFO L448 ceAbstractionStarter]: For program point L1134(lines 1134 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,515 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,516 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,516 INFO L448 ceAbstractionStarter]: For program point L474(lines 474 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,516 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,516 INFO L448 ceAbstractionStarter]: For program point L342(lines 342 349) no Hoare annotation was computed. [2018-12-02 21:19:40,516 INFO L448 ceAbstractionStarter]: For program point L1333(lines 1333 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,516 INFO L448 ceAbstractionStarter]: For program point L342-2(lines 342 349) no Hoare annotation was computed. [2018-12-02 21:19:40,516 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,516 INFO L448 ceAbstractionStarter]: For program point L1135(lines 1135 1144) no Hoare annotation was computed. [2018-12-02 21:19:40,516 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,516 INFO L448 ceAbstractionStarter]: For program point L1135-2(lines 1135 1144) no Hoare annotation was computed. [2018-12-02 21:19:40,516 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,516 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-02 21:19:40,516 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-02 21:19:40,516 INFO L448 ceAbstractionStarter]: For program point L1004(lines 1004 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,517 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,517 INFO L448 ceAbstractionStarter]: For program point L1533(lines 1533 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,517 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,517 INFO L448 ceAbstractionStarter]: For program point L1203(lines 1203 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,517 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 160) no Hoare annotation was computed. [2018-12-02 21:19:40,517 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,517 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,517 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,517 INFO L448 ceAbstractionStarter]: For program point L874(lines 874 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,517 INFO L448 ceAbstractionStarter]: For program point L742(lines 742 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,517 INFO L448 ceAbstractionStarter]: For program point L1271(lines 1271 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,517 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,517 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 21:19:40,517 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-02 21:19:40,518 INFO L448 ceAbstractionStarter]: For program point L1602(lines 1602 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,518 INFO L448 ceAbstractionStarter]: For program point L479(lines 479 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,518 INFO L448 ceAbstractionStarter]: For program point L1338(lines 1338 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,518 INFO L448 ceAbstractionStarter]: For program point L1074(lines 1074 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,518 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,518 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,518 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,518 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,518 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,518 INFO L448 ceAbstractionStarter]: For program point L811(lines 811 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,518 INFO L448 ceAbstractionStarter]: For program point L613(lines 613 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,518 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 556) no Hoare annotation was computed. [2018-12-02 21:19:40,518 INFO L448 ceAbstractionStarter]: For program point L547-2(lines 547 556) no Hoare annotation was computed. [2018-12-02 21:19:40,518 INFO L448 ceAbstractionStarter]: For program point L415(lines 415 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,518 INFO L448 ceAbstractionStarter]: For program point L1208(lines 1208 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L1473(lines 1473 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L1606(lines 1606 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L1408(lines 1408 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L219(lines 219 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L880(lines 880 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L748(lines 748 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L1277(lines 1277 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 228) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L220-2(lines 220 228) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L1145(lines 1145 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L1344(lines 1344 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L1212(lines 1212 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,519 INFO L448 ceAbstractionStarter]: For program point L486(lines 486 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L1081(lines 1081 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L817(lines 817 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L1478(lines 1478 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L1016(lines 1016 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L620(lines 620 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L1413(lines 1413 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L885(lines 885 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L687(lines 687 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L1612(lines 1612 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L1150(lines 1150 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 894) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L886-2(lines 886 894) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L754(lines 754 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L1613(lines 1613 1622) no Hoare annotation was computed. [2018-12-02 21:19:40,520 INFO L448 ceAbstractionStarter]: For program point L1547(lines 1547 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L1613-2(lines 1613 1622) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L1283(lines 1283 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L1019(lines 1019 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L491(lines 491 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L1482(lines 1482 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L1350(lines 1350 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L1218(lines 1218 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L558(lines 558 568) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L558-2(lines 558 568) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L1351(lines 1351 1358) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L1351-2(lines 1351 1358) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L955(lines 955 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-02 21:19:40,521 INFO L448 ceAbstractionStarter]: For program point L824(lines 824 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,522 INFO L448 ceAbstractionStarter]: For program point L428(lines 428 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,522 INFO L448 ceAbstractionStarter]: For program point L1419(lines 1419 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,522 INFO L448 ceAbstractionStarter]: For program point L693(lines 693 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,522 INFO L448 ceAbstractionStarter]: For program point L627(lines 627 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,522 INFO L448 ceAbstractionStarter]: For program point L1420(lines 1420 1430) no Hoare annotation was computed. [2018-12-02 21:19:40,522 INFO L448 ceAbstractionStarter]: For program point L1420-2(lines 1420 1430) no Hoare annotation was computed. [2018-12-02 21:19:40,522 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,522 INFO L448 ceAbstractionStarter]: For program point L1156(lines 1156 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,522 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,522 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1656) no Hoare annotation was computed. [2018-12-02 21:19:40,522 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 706) no Hoare annotation was computed. [2018-12-02 21:19:40,522 INFO L448 ceAbstractionStarter]: For program point L694-2(lines 694 706) no Hoare annotation was computed. [2018-12-02 21:19:40,522 INFO L448 ceAbstractionStarter]: For program point L1289(lines 1289 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,522 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-02 21:19:40,522 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-02 21:19:40,522 INFO L448 ceAbstractionStarter]: For program point L1091(lines 1091 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,526 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-02 21:19:40,526 INFO L448 ceAbstractionStarter]: For program point L959(lines 959 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,526 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,526 INFO L448 ceAbstractionStarter]: For program point L1554(lines 1554 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,526 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,526 INFO L448 ceAbstractionStarter]: For program point L1488(lines 1488 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,526 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,526 INFO L448 ceAbstractionStarter]: For program point L1290(lines 1290 1299) no Hoare annotation was computed. [2018-12-02 21:19:40,526 INFO L448 ceAbstractionStarter]: For program point L1224(lines 1224 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,526 INFO L448 ceAbstractionStarter]: For program point L1290-2(lines 1290 1299) no Hoare annotation was computed. [2018-12-02 21:19:40,526 INFO L448 ceAbstractionStarter]: For program point L1026(lines 1026 1654) no Hoare annotation was computed. [2018-12-02 21:19:40,527 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 21:19:40,527 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 (+ ~a0~0 44))) (and (= (+ ~a4~0 89) 0) (= 1 ~a2~0) (<= 0 .cse0) (<= .cse0 0) (= (+ ~a29~0 127) 0))) [2018-12-02 21:19:40,527 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 21:19:40,527 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 21:19:40,527 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1760 1776) the Hoare annotation is: (let ((.cse0 (+ |old(~a0~0)| 44))) (or (and (= ~a4~0 |old(~a4~0)|) (= 1 ~a2~0) (= ~a0~0 |old(~a0~0)|) (= (+ ~a29~0 127) 0)) (not (= 0 (+ |old(~a29~0)| 127))) (not (= |old(~a2~0)| 1)) (< 0 .cse0) (not (= 0 (+ |old(~a4~0)| 89))) (< .cse0 0))) [2018-12-02 21:19:40,527 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1760 1776) no Hoare annotation was computed. [2018-12-02 21:19:40,527 INFO L444 ceAbstractionStarter]: At program point L1774(line 1774) the Hoare annotation is: (let ((.cse16 (<= (+ ~a4~0 89) 0)) (.cse7 (not (= ~a2~0 4))) (.cse32 (not (= ~a2~0 3))) (.cse26 (+ ~a29~0 127))) (let ((.cse23 (<= 0 .cse26)) (.cse25 (and .cse16 .cse7 .cse32)) (.cse31 (<= |old(~a2~0)| 2))) (let ((.cse2 (= 1 ~a2~0)) (.cse20 (= |old(~a2~0)| 1)) (.cse12 (and (and .cse25 (<= .cse26 0)) .cse31)) (.cse29 (and .cse16 .cse7 .cse32 .cse23)) (.cse30 (+ ~a0~0 147)) (.cse3 (< 0 (+ ~a29~0 16))) (.cse8 (<= (+ ~a0~0 104) 0)) (.cse9 (<= 4 ~a2~0))) (let ((.cse15 (and .cse7 .cse8 .cse9 .cse23)) (.cse19 (<= ~a29~0 929269)) (.cse11 (<= (+ ~a0~0 98) 0)) (.cse0 (<= (+ ~a0~0 300076) 0)) (.cse24 (and .cse3 .cse16)) (.cse5 (<= .cse30 0)) (.cse6 (<= 0 (+ ~a4~0 85))) (.cse18 (= 4 ~a2~0)) (.cse21 (and (and .cse3 .cse29) .cse31)) (.cse22 (<= (+ ~a29~0 144) 0)) (.cse28 (or (and .cse29 .cse2 .cse20) (and .cse2 .cse20 .cse12))) (.cse13 (= 2 ~a2~0)) (.cse4 (= 3 ~a2~0)) (.cse10 (< 0 .cse30)) (.cse17 (<= ~a29~0 43)) (.cse14 (<= (+ ~a0~0 61) 0)) (.cse1 (<= (+ ~a4~0 42) 0)) (.cse27 (+ |old(~a29~0)| 127))) (or (and .cse0 .cse1 .cse2) (and (and .cse1 (and .cse3 .cse4)) .cse5) (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse1) (and (and .cse1 (and (<= 43 ~a29~0) .cse2)) .cse5) (and .cse11 (and (and .cse6 .cse7 .cse3 .cse9) .cse1)) (and .cse12 .cse13 .cse14) (and (and .cse1 .cse15) .cse5) (not (= 0 (+ |old(~a4~0)| 89))) (and .cse16 .cse17 .cse18) (and (and .cse6 .cse3 .cse2) .cse1 .cse17) (and .cse1 .cse17 .cse15) (and .cse11 .cse1 .cse19 (and .cse6 .cse3) .cse13) (not .cse20) (and .cse19 .cse21 .cse13) (and .cse5 (and .cse1 .cse4 .cse22)) (and .cse11 (or (and (and .cse1 .cse10 .cse17 .cse23) .cse4) (and .cse1 .cse6 .cse4))) (and .cse1 .cse8 (and .cse6 .cse3 .cse18)) (and (and .cse24 .cse18) .cse14) (and .cse5 (and .cse6 .cse13 .cse1)) (and .cse6 .cse0 .cse18 .cse23 .cse1) (not (= 0 (+ |old(~a0~0)| 44))) (and .cse22 .cse16 .cse4) (and .cse9 .cse25) (and (and .cse12 .cse22) .cse13) (and .cse6 .cse7 .cse9 .cse0 .cse1) (and (= ~a4~0 |old(~a4~0)|) (not (= main_~input~0 0)) .cse2 (= ~a0~0 |old(~a0~0)|) (= .cse26 0)) (< 0 .cse27) (and .cse24 .cse4) (and .cse28 .cse14) (and .cse5 (and .cse6 .cse18 .cse1 .cse22)) (and .cse13 .cse21 .cse14) (and .cse22 .cse28) (and .cse29 .cse17 .cse13) (and (and .cse16 .cse10 .cse4) .cse14) (and .cse10 .cse17 .cse14 .cse1 .cse2) (< .cse27 0)))))) [2018-12-02 21:19:40,538 INFO L448 ceAbstractionStarter]: For program point L1774-1(line 1774) no Hoare annotation was computed. [2018-12-02 21:19:40,538 INFO L448 ceAbstractionStarter]: For program point L1771(line 1771) no Hoare annotation was computed. [2018-12-02 21:19:40,539 INFO L444 ceAbstractionStarter]: At program point L1766-2(lines 1766 1775) the Hoare annotation is: (let ((.cse16 (<= (+ ~a4~0 89) 0)) (.cse7 (not (= ~a2~0 4))) (.cse32 (not (= ~a2~0 3))) (.cse25 (+ ~a29~0 127))) (let ((.cse23 (<= 0 .cse25)) (.cse26 (and .cse16 .cse7 .cse32)) (.cse31 (<= |old(~a2~0)| 2))) (let ((.cse2 (= 1 ~a2~0)) (.cse20 (= |old(~a2~0)| 1)) (.cse12 (and (and .cse26 (<= .cse25 0)) .cse31)) (.cse29 (and .cse16 .cse7 .cse32 .cse23)) (.cse30 (+ ~a0~0 147)) (.cse3 (< 0 (+ ~a29~0 16))) (.cse8 (<= (+ ~a0~0 104) 0)) (.cse9 (<= 4 ~a2~0))) (let ((.cse15 (and .cse7 .cse8 .cse9 .cse23)) (.cse19 (<= ~a29~0 929269)) (.cse11 (<= (+ ~a0~0 98) 0)) (.cse0 (<= (+ ~a0~0 300076) 0)) (.cse24 (and .cse3 .cse16)) (.cse5 (<= .cse30 0)) (.cse6 (<= 0 (+ ~a4~0 85))) (.cse18 (= 4 ~a2~0)) (.cse21 (and (and .cse3 .cse29) .cse31)) (.cse22 (<= (+ ~a29~0 144) 0)) (.cse28 (or (and .cse29 .cse2 .cse20) (and .cse2 .cse20 .cse12))) (.cse13 (= 2 ~a2~0)) (.cse4 (= 3 ~a2~0)) (.cse10 (< 0 .cse30)) (.cse17 (<= ~a29~0 43)) (.cse14 (<= (+ ~a0~0 61) 0)) (.cse1 (<= (+ ~a4~0 42) 0)) (.cse27 (+ |old(~a29~0)| 127))) (or (and .cse0 .cse1 .cse2) (and (and .cse1 (and .cse3 .cse4)) .cse5) (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse1) (and (and .cse1 (and (<= 43 ~a29~0) .cse2)) .cse5) (and .cse11 (and (and .cse6 .cse7 .cse3 .cse9) .cse1)) (and .cse12 .cse13 .cse14) (and (and .cse1 .cse15) .cse5) (not (= 0 (+ |old(~a4~0)| 89))) (and .cse16 .cse17 .cse18) (and (and .cse6 .cse3 .cse2) .cse1 .cse17) (and .cse1 .cse17 .cse15) (and .cse11 .cse1 .cse19 (and .cse6 .cse3) .cse13) (not .cse20) (and .cse19 .cse21 .cse13) (and .cse5 (and .cse1 .cse4 .cse22)) (and .cse11 (or (and (and .cse1 .cse10 .cse17 .cse23) .cse4) (and .cse1 .cse6 .cse4))) (and .cse1 .cse8 (and .cse6 .cse3 .cse18)) (and (and .cse24 .cse18) .cse14) (and .cse5 (and .cse6 .cse13 .cse1)) (and .cse6 .cse0 .cse18 .cse23 .cse1) (not (= 0 (+ |old(~a0~0)| 44))) (and (= .cse25 0) .cse2 (= ~a0~0 |old(~a0~0)|) (= ~a4~0 |old(~a4~0)|)) (and .cse22 .cse16 .cse4) (and .cse9 .cse26) (and (and .cse12 .cse22) .cse13) (and .cse6 .cse7 .cse9 .cse0 .cse1) (< 0 .cse27) (and .cse24 .cse4) (and .cse28 .cse14) (and .cse5 (and .cse6 .cse18 .cse1 .cse22)) (and .cse13 .cse21 .cse14) (and .cse22 .cse28) (and .cse29 .cse17 .cse13) (and (and .cse16 .cse10 .cse4) .cse14) (and .cse10 .cse17 .cse14 .cse1 .cse2) (< .cse27 0)))))) [2018-12-02 21:19:40,548 INFO L448 ceAbstractionStarter]: For program point L1766-3(lines 1760 1776) no Hoare annotation was computed. [2018-12-02 21:19:40,560 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 09:19:40 BoogieIcfgContainer [2018-12-02 21:19:40,560 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 21:19:40,560 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 21:19:40,560 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 21:19:40,561 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 21:19:40,561 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:08:57" (3/4) ... [2018-12-02 21:19:40,564 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 21:19:40,569 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 21:19:40,569 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-02 21:19:40,569 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 21:19:40,570 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 21:19:40,585 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 21:19:40,587 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 21:19:40,609 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((((((((((((((((a0 + 300076 <= 0 && a4 + 42 <= 0) && 1 == a2) || ((a4 + 42 <= 0 && 0 < a29 + 16 && 3 == a2) && a0 + 147 <= 0)) || (((((0 <= a4 + 85 && !(a2 == 4)) && a0 + 104 <= 0) && 4 <= a2) && 0 < a0 + 147) && a4 + 42 <= 0)) || ((a4 + 42 <= 0 && 43 <= a29 && 1 == a2) && a0 + 147 <= 0)) || (a0 + 98 <= 0 && (((0 <= a4 + 85 && !(a2 == 4)) && 0 < a29 + 16) && 4 <= a2) && a4 + 42 <= 0)) || ((((((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && a29 + 127 <= 0) && \old(a2) <= 2) && 2 == a2) && a0 + 61 <= 0)) || ((a4 + 42 <= 0 && ((!(a2 == 4) && a0 + 104 <= 0) && 4 <= a2) && 0 <= a29 + 127) && a0 + 147 <= 0)) || !(0 == \old(a4) + 89)) || ((a4 + 89 <= 0 && a29 <= 43) && 4 == a2)) || ((((0 <= a4 + 85 && 0 < a29 + 16) && 1 == a2) && a4 + 42 <= 0) && a29 <= 43)) || ((a4 + 42 <= 0 && a29 <= 43) && ((!(a2 == 4) && a0 + 104 <= 0) && 4 <= a2) && 0 <= a29 + 127)) || ((((a0 + 98 <= 0 && a4 + 42 <= 0) && a29 <= 929269) && 0 <= a4 + 85 && 0 < a29 + 16) && 2 == a2)) || !(\old(a2) == 1)) || ((a29 <= 929269 && (0 < a29 + 16 && ((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && 0 <= a29 + 127) && \old(a2) <= 2) && 2 == a2)) || (a0 + 147 <= 0 && (a4 + 42 <= 0 && 3 == a2) && a29 + 144 <= 0)) || (a0 + 98 <= 0 && (((((a4 + 42 <= 0 && 0 < a0 + 147) && a29 <= 43) && 0 <= a29 + 127) && 3 == a2) || ((a4 + 42 <= 0 && 0 <= a4 + 85) && 3 == a2)))) || ((a4 + 42 <= 0 && a0 + 104 <= 0) && (0 <= a4 + 85 && 0 < a29 + 16) && 4 == a2)) || (((0 < a29 + 16 && a4 + 89 <= 0) && 4 == a2) && a0 + 61 <= 0)) || (a0 + 147 <= 0 && (0 <= a4 + 85 && 2 == a2) && a4 + 42 <= 0)) || ((((0 <= a4 + 85 && a0 + 300076 <= 0) && 4 == a2) && 0 <= a29 + 127) && a4 + 42 <= 0)) || !(0 == \old(a0) + 44)) || (((a29 + 127 == 0 && 1 == a2) && a0 == \old(a0)) && a4 == \old(a4))) || ((a29 + 144 <= 0 && a4 + 89 <= 0) && 3 == a2)) || (4 <= a2 && (a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3))) || ((((((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && a29 + 127 <= 0) && \old(a2) <= 2) && a29 + 144 <= 0) && 2 == a2)) || ((((0 <= a4 + 85 && !(a2 == 4)) && 4 <= a2) && a0 + 300076 <= 0) && a4 + 42 <= 0)) || 0 < \old(a29) + 127) || ((0 < a29 + 16 && a4 + 89 <= 0) && 3 == a2)) || (((((((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && 0 <= a29 + 127) && 1 == a2) && \old(a2) == 1) || ((1 == a2 && \old(a2) == 1) && (((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && a29 + 127 <= 0) && \old(a2) <= 2)) && a0 + 61 <= 0)) || (a0 + 147 <= 0 && ((0 <= a4 + 85 && 4 == a2) && a4 + 42 <= 0) && a29 + 144 <= 0)) || ((2 == a2 && (0 < a29 + 16 && ((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && 0 <= a29 + 127) && \old(a2) <= 2) && a0 + 61 <= 0)) || (a29 + 144 <= 0 && ((((((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && 0 <= a29 + 127) && 1 == a2) && \old(a2) == 1) || ((1 == a2 && \old(a2) == 1) && (((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && a29 + 127 <= 0) && \old(a2) <= 2)))) || (((((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && 0 <= a29 + 127) && a29 <= 43) && 2 == a2)) || (((a4 + 89 <= 0 && 0 < a0 + 147) && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a0 + 147 && a29 <= 43) && a0 + 61 <= 0) && a4 + 42 <= 0) && 1 == a2)) || \old(a29) + 127 < 0 [2018-12-02 21:19:40,723 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6d51ea52-7c7b-49b4-8ce4-4642071f59fc/bin-2019/utaipan/witness.graphml [2018-12-02 21:19:40,723 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 21:19:40,724 INFO L168 Benchmark]: Toolchain (without parser) took 645595.52 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 939.0 MB in the beginning and 2.5 GB in the end (delta: -1.5 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-12-02 21:19:40,725 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 21:19:40,725 INFO L168 Benchmark]: CACSL2BoogieTranslator took 627.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. [2018-12-02 21:19:40,725 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-02 21:19:40,725 INFO L168 Benchmark]: Boogie Preprocessor took 77.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2018-12-02 21:19:40,726 INFO L168 Benchmark]: RCFGBuilder took 1683.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.6 MB). Peak memory consumption was 227.2 MB. Max. memory is 11.5 GB. [2018-12-02 21:19:40,726 INFO L168 Benchmark]: TraceAbstraction took 643012.92 ms. Allocated memory was 1.1 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. [2018-12-02 21:19:40,726 INFO L168 Benchmark]: Witness Printer took 162.96 ms. Allocated memory is still 4.9 GB. Free memory was 2.6 GB in the beginning and 2.5 GB in the end (delta: 77.6 MB). Peak memory consumption was 77.6 MB. Max. memory is 11.5 GB. [2018-12-02 21:19:40,728 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 627.84 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 119.0 MB). Free memory was 939.0 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 82.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 28.45 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.28 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1683.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 44.6 MB). Peak memory consumption was 227.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 643012.92 ms. Allocated memory was 1.1 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: -1.5 GB). Peak memory consumption was 4.6 GB. Max. memory is 11.5 GB. * Witness Printer took 162.96 ms. Allocated memory is still 4.9 GB. Free memory was 2.6 GB in the beginning and 2.5 GB in the end (delta: 77.6 MB). Peak memory consumption was 77.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 160]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1766]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((((((((((((((((a0 + 300076 <= 0 && a4 + 42 <= 0) && 1 == a2) || ((a4 + 42 <= 0 && 0 < a29 + 16 && 3 == a2) && a0 + 147 <= 0)) || (((((0 <= a4 + 85 && !(a2 == 4)) && a0 + 104 <= 0) && 4 <= a2) && 0 < a0 + 147) && a4 + 42 <= 0)) || ((a4 + 42 <= 0 && 43 <= a29 && 1 == a2) && a0 + 147 <= 0)) || (a0 + 98 <= 0 && (((0 <= a4 + 85 && !(a2 == 4)) && 0 < a29 + 16) && 4 <= a2) && a4 + 42 <= 0)) || ((((((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && a29 + 127 <= 0) && \old(a2) <= 2) && 2 == a2) && a0 + 61 <= 0)) || ((a4 + 42 <= 0 && ((!(a2 == 4) && a0 + 104 <= 0) && 4 <= a2) && 0 <= a29 + 127) && a0 + 147 <= 0)) || !(0 == \old(a4) + 89)) || ((a4 + 89 <= 0 && a29 <= 43) && 4 == a2)) || ((((0 <= a4 + 85 && 0 < a29 + 16) && 1 == a2) && a4 + 42 <= 0) && a29 <= 43)) || ((a4 + 42 <= 0 && a29 <= 43) && ((!(a2 == 4) && a0 + 104 <= 0) && 4 <= a2) && 0 <= a29 + 127)) || ((((a0 + 98 <= 0 && a4 + 42 <= 0) && a29 <= 929269) && 0 <= a4 + 85 && 0 < a29 + 16) && 2 == a2)) || !(\old(a2) == 1)) || ((a29 <= 929269 && (0 < a29 + 16 && ((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && 0 <= a29 + 127) && \old(a2) <= 2) && 2 == a2)) || (a0 + 147 <= 0 && (a4 + 42 <= 0 && 3 == a2) && a29 + 144 <= 0)) || (a0 + 98 <= 0 && (((((a4 + 42 <= 0 && 0 < a0 + 147) && a29 <= 43) && 0 <= a29 + 127) && 3 == a2) || ((a4 + 42 <= 0 && 0 <= a4 + 85) && 3 == a2)))) || ((a4 + 42 <= 0 && a0 + 104 <= 0) && (0 <= a4 + 85 && 0 < a29 + 16) && 4 == a2)) || (((0 < a29 + 16 && a4 + 89 <= 0) && 4 == a2) && a0 + 61 <= 0)) || (a0 + 147 <= 0 && (0 <= a4 + 85 && 2 == a2) && a4 + 42 <= 0)) || ((((0 <= a4 + 85 && a0 + 300076 <= 0) && 4 == a2) && 0 <= a29 + 127) && a4 + 42 <= 0)) || !(0 == \old(a0) + 44)) || (((a29 + 127 == 0 && 1 == a2) && a0 == \old(a0)) && a4 == \old(a4))) || ((a29 + 144 <= 0 && a4 + 89 <= 0) && 3 == a2)) || (4 <= a2 && (a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3))) || ((((((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && a29 + 127 <= 0) && \old(a2) <= 2) && a29 + 144 <= 0) && 2 == a2)) || ((((0 <= a4 + 85 && !(a2 == 4)) && 4 <= a2) && a0 + 300076 <= 0) && a4 + 42 <= 0)) || 0 < \old(a29) + 127) || ((0 < a29 + 16 && a4 + 89 <= 0) && 3 == a2)) || (((((((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && 0 <= a29 + 127) && 1 == a2) && \old(a2) == 1) || ((1 == a2 && \old(a2) == 1) && (((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && a29 + 127 <= 0) && \old(a2) <= 2)) && a0 + 61 <= 0)) || (a0 + 147 <= 0 && ((0 <= a4 + 85 && 4 == a2) && a4 + 42 <= 0) && a29 + 144 <= 0)) || ((2 == a2 && (0 < a29 + 16 && ((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && 0 <= a29 + 127) && \old(a2) <= 2) && a0 + 61 <= 0)) || (a29 + 144 <= 0 && ((((((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && 0 <= a29 + 127) && 1 == a2) && \old(a2) == 1) || ((1 == a2 && \old(a2) == 1) && (((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && a29 + 127 <= 0) && \old(a2) <= 2)))) || (((((a4 + 89 <= 0 && !(a2 == 4)) && !(a2 == 3)) && 0 <= a29 + 127) && a29 <= 43) && 2 == a2)) || (((a4 + 89 <= 0 && 0 < a0 + 147) && 3 == a2) && a0 + 61 <= 0)) || ((((0 < a0 + 147 && a29 <= 43) && a0 + 61 <= 0) && a4 + 42 <= 0) && 1 == a2)) || \old(a29) + 127 < 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 437 locations, 1 error locations. SAFE Result, 642.9s OverallTime, 23 OverallIterations, 8 TraceHistogramMax, 498.9s AutomataDifference, 0.0s DeadEndRemovalTime, 50.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 3856 SDtfs, 39467 SDslu, 5436 SDs, 0 SdLazy, 91489 SolverSat, 11699 SolverUnsat, 402 SolverUnknown, 0 SolverNotchecked, 374.2s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 23126 GetRequests, 22607 SyntacticMatches, 42 SemanticMatches, 477 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7562 ImplicationChecksByTransitivity, 130.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=35947occurred in iteration=20, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 28.6s AbstIntTime, 15 AbstIntIterations, 2 AbstIntStrong, 0.9971997985648422 AbsIntWeakeningRatio, 0.10722610722610723 AbsIntAvgWeakeningVarsNumRemoved, 15.51981351981352 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 5.1s AutomataMinimizationTime, 23 MinimizatonAttempts, 43377 StatesRemovedByMinimization, 21 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 5224 PreInvPairs, 5587 NumberOfFragments, 6112 HoareAnnotationTreeSize, 5224 FomulaSimplifications, 1423279 FormulaSimplificationTreeSizeReduction, 4.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 872530 FormulaSimplificationTreeSizeReductionInter, 45.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 51.6s InterpolantComputationTime, 24397 NumberOfCodeBlocks, 24397 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 35360 ConstructedInterpolants, 494 QuantifiedInterpolants, 138480656 SizeOfPredicates, 36 NumberOfNonLiveVariables, 14676 ConjunctsInSsa, 137 ConjunctsInUnsatCore, 49 InterpolantComputations, 10 PerfectInterpolantSequences, 47403/51106 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! [MP z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process Received shutdown request...