./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label16_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_497bdc10-e9da-40f4-93dc-012ae00078b2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_497bdc10-e9da-40f4-93dc-012ae00078b2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_497bdc10-e9da-40f4-93dc-012ae00078b2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_497bdc10-e9da-40f4-93dc-012ae00078b2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label16_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_497bdc10-e9da-40f4-93dc-012ae00078b2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_497bdc10-e9da-40f4-93dc-012ae00078b2/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 5985a693844a745b17f53ac09178823316d8edff .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 18:40:38,001 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 18:40:38,002 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 18:40:38,008 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 18:40:38,008 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 18:40:38,009 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 18:40:38,009 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 18:40:38,010 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 18:40:38,011 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 18:40:38,011 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 18:40:38,012 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 18:40:38,012 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 18:40:38,013 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 18:40:38,013 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 18:40:38,014 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 18:40:38,014 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 18:40:38,015 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 18:40:38,015 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 18:40:38,016 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 18:40:38,017 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 18:40:38,018 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 18:40:38,018 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 18:40:38,019 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 18:40:38,020 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 18:40:38,020 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 18:40:38,020 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 18:40:38,021 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 18:40:38,021 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 18:40:38,021 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 18:40:38,022 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 18:40:38,022 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 18:40:38,022 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 18:40:38,022 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 18:40:38,023 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 18:40:38,023 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 18:40:38,023 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 18:40:38,024 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_497bdc10-e9da-40f4-93dc-012ae00078b2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 18:40:38,031 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 18:40:38,031 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 18:40:38,032 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 18:40:38,032 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 18:40:38,032 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 18:40:38,032 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 18:40:38,032 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 18:40:38,032 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 18:40:38,032 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 18:40:38,032 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 18:40:38,033 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 18:40:38,033 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 18:40:38,033 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 18:40:38,033 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 18:40:38,033 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 18:40:38,033 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 18:40:38,034 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 18:40:38,034 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 18:40:38,034 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 18:40:38,034 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 18:40:38,034 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 18:40:38,034 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 18:40:38,034 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 18:40:38,034 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 18:40:38,035 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 18:40:38,035 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 18:40:38,035 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 18:40:38,035 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 18:40:38,035 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:40:38,035 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 18:40:38,035 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 18:40:38,035 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 18:40:38,036 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 18:40:38,036 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 18:40:38,036 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 18:40:38,036 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 18:40:38,036 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_497bdc10-e9da-40f4-93dc-012ae00078b2/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 -> 5985a693844a745b17f53ac09178823316d8edff [2018-12-09 18:40:38,054 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 18:40:38,062 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 18:40:38,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 18:40:38,064 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 18:40:38,065 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 18:40:38,065 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_497bdc10-e9da-40f4-93dc-012ae00078b2/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label16_true-unreach-call.c [2018-12-09 18:40:38,104 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_497bdc10-e9da-40f4-93dc-012ae00078b2/bin-2019/utaipan/data/e4af60b90/af196fe2800f4e78bc445235ef5eade0/FLAG8e5c3034c [2018-12-09 18:40:38,501 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 18:40:38,502 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_497bdc10-e9da-40f4-93dc-012ae00078b2/sv-benchmarks/c/eca-rers2012/Problem16_label16_true-unreach-call.c [2018-12-09 18:40:38,510 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_497bdc10-e9da-40f4-93dc-012ae00078b2/bin-2019/utaipan/data/e4af60b90/af196fe2800f4e78bc445235ef5eade0/FLAG8e5c3034c [2018-12-09 18:40:38,519 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_497bdc10-e9da-40f4-93dc-012ae00078b2/bin-2019/utaipan/data/e4af60b90/af196fe2800f4e78bc445235ef5eade0 [2018-12-09 18:40:38,521 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 18:40:38,522 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 18:40:38,522 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 18:40:38,522 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 18:40:38,524 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 18:40:38,525 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:40:38" (1/1) ... [2018-12-09 18:40:38,527 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@403c9f8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:38, skipping insertion in model container [2018-12-09 18:40:38,527 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 06:40:38" (1/1) ... [2018-12-09 18:40:38,531 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 18:40:38,565 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 18:40:38,862 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:40:38,865 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 18:40:39,025 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 18:40:39,035 INFO L195 MainTranslator]: Completed translation [2018-12-09 18:40:39,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:39 WrapperNode [2018-12-09 18:40:39,035 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 18:40:39,036 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 18:40:39,036 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 18:40:39,036 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 18:40:39,041 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:39" (1/1) ... [2018-12-09 18:40:39,055 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:39" (1/1) ... [2018-12-09 18:40:39,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 18:40:39,060 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 18:40:39,060 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 18:40:39,060 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 18:40:39,067 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:39" (1/1) ... [2018-12-09 18:40:39,067 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:39" (1/1) ... [2018-12-09 18:40:39,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:39" (1/1) ... [2018-12-09 18:40:39,071 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:39" (1/1) ... [2018-12-09 18:40:39,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:39" (1/1) ... [2018-12-09 18:40:39,102 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:39" (1/1) ... [2018-12-09 18:40:39,109 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:39" (1/1) ... [2018-12-09 18:40:39,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 18:40:39,117 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 18:40:39,117 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 18:40:39,118 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 18:40:39,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_497bdc10-e9da-40f4-93dc-012ae00078b2/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 18:40:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 18:40:39,151 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 18:40:39,151 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-09 18:40:39,152 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-09 18:40:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 18:40:39,152 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 18:40:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 18:40:39,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 18:40:39,152 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 18:40:39,152 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 18:40:40,400 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 18:40:40,401 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 18:40:40,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:40:40 BoogieIcfgContainer [2018-12-09 18:40:40,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 18:40:40,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 18:40:40,402 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 18:40:40,405 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 18:40:40,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 06:40:38" (1/3) ... [2018-12-09 18:40:40,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1618aa5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:40:40, skipping insertion in model container [2018-12-09 18:40:40,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 06:40:39" (2/3) ... [2018-12-09 18:40:40,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1618aa5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 06:40:40, skipping insertion in model container [2018-12-09 18:40:40,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:40:40" (3/3) ... [2018-12-09 18:40:40,408 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label16_true-unreach-call.c [2018-12-09 18:40:40,415 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 18:40:40,420 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 18:40:40,433 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 18:40:40,461 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 18:40:40,461 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 18:40:40,461 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 18:40:40,461 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 18:40:40,461 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 18:40:40,461 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 18:40:40,461 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 18:40:40,461 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 18:40:40,480 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-09 18:40:40,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-12-09 18:40:40,484 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:40,485 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] [2018-12-09 18:40:40,486 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:40,489 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:40,490 INFO L82 PathProgramCache]: Analyzing trace with hash 1899898085, now seen corresponding path program 1 times [2018-12-09 18:40:40,491 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:40,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:40,522 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:40,522 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:40,522 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:40,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:40,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:40:40,659 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:40,659 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 18:40:40,659 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:40,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 18:40:40,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 18:40:40,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 18:40:40,672 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-09 18:40:41,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:41,708 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-09 18:40:41,709 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 18:40:41,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 48 [2018-12-09 18:40:41,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:41,723 INFO L225 Difference]: With dead ends: 1153 [2018-12-09 18:40:41,723 INFO L226 Difference]: Without dead ends: 682 [2018-12-09 18:40:41,729 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 18:40:41,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-09 18:40:41,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-09 18:40:41,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-09 18:40:41,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1154 transitions. [2018-12-09 18:40:41,789 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1154 transitions. Word has length 48 [2018-12-09 18:40:41,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:41,790 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1154 transitions. [2018-12-09 18:40:41,790 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 18:40:41,790 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1154 transitions. [2018-12-09 18:40:41,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-09 18:40:41,792 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:41,793 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:41,793 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:41,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:41,793 INFO L82 PathProgramCache]: Analyzing trace with hash 301606541, now seen corresponding path program 1 times [2018-12-09 18:40:41,793 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:41,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:41,794 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:41,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:41,794 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:41,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:41,911 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:40:41,912 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:41,912 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:40:41,912 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:41,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:40:41,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:40:41,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:40:41,914 INFO L87 Difference]: Start difference. First operand 682 states and 1154 transitions. Second operand 6 states. [2018-12-09 18:40:45,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:45,180 INFO L93 Difference]: Finished difference Result 2808 states and 4912 transitions. [2018-12-09 18:40:45,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-09 18:40:45,181 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2018-12-09 18:40:45,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:45,195 INFO L225 Difference]: With dead ends: 2808 [2018-12-09 18:40:45,195 INFO L226 Difference]: Without dead ends: 2132 [2018-12-09 18:40:45,198 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:40:45,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2132 states. [2018-12-09 18:40:45,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2132 to 2087. [2018-12-09 18:40:45,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2087 states. [2018-12-09 18:40:45,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2087 states to 2087 states and 3381 transitions. [2018-12-09 18:40:45,250 INFO L78 Accepts]: Start accepts. Automaton has 2087 states and 3381 transitions. Word has length 123 [2018-12-09 18:40:45,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:45,251 INFO L480 AbstractCegarLoop]: Abstraction has 2087 states and 3381 transitions. [2018-12-09 18:40:45,251 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:40:45,251 INFO L276 IsEmpty]: Start isEmpty. Operand 2087 states and 3381 transitions. [2018-12-09 18:40:45,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 18:40:45,252 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:45,253 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:45,253 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:45,253 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:45,253 INFO L82 PathProgramCache]: Analyzing trace with hash 1614630469, now seen corresponding path program 1 times [2018-12-09 18:40:45,253 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:45,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:45,254 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:45,254 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:45,254 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:45,347 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:40:45,347 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:45,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:40:45,347 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:45,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:40:45,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:40:45,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:40:45,348 INFO L87 Difference]: Start difference. First operand 2087 states and 3381 transitions. Second operand 6 states. [2018-12-09 18:40:47,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:47,020 INFO L93 Difference]: Finished difference Result 5623 states and 9425 transitions. [2018-12-09 18:40:47,020 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 18:40:47,020 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-12-09 18:40:47,021 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:47,030 INFO L225 Difference]: With dead ends: 5623 [2018-12-09 18:40:47,030 INFO L226 Difference]: Without dead ends: 3542 [2018-12-09 18:40:47,034 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2018-12-09 18:40:47,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3542 states. [2018-12-09 18:40:47,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3542 to 3503. [2018-12-09 18:40:47,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3503 states. [2018-12-09 18:40:47,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3503 states to 3503 states and 5697 transitions. [2018-12-09 18:40:47,087 INFO L78 Accepts]: Start accepts. Automaton has 3503 states and 5697 transitions. Word has length 127 [2018-12-09 18:40:47,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:47,087 INFO L480 AbstractCegarLoop]: Abstraction has 3503 states and 5697 transitions. [2018-12-09 18:40:47,087 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:40:47,087 INFO L276 IsEmpty]: Start isEmpty. Operand 3503 states and 5697 transitions. [2018-12-09 18:40:47,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 18:40:47,088 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:47,088 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:47,089 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:47,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:47,089 INFO L82 PathProgramCache]: Analyzing trace with hash 939099681, now seen corresponding path program 1 times [2018-12-09 18:40:47,089 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:47,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:47,089 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:47,089 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:47,090 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:47,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:47,160 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:40:47,160 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:47,160 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:40:47,160 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:47,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:40:47,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:40:47,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:40:47,161 INFO L87 Difference]: Start difference. First operand 3503 states and 5697 transitions. Second operand 6 states. [2018-12-09 18:40:48,308 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:48,308 INFO L93 Difference]: Finished difference Result 7817 states and 13132 transitions. [2018-12-09 18:40:48,309 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:40:48,309 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-12-09 18:40:48,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:48,324 INFO L225 Difference]: With dead ends: 7817 [2018-12-09 18:40:48,325 INFO L226 Difference]: Without dead ends: 4320 [2018-12-09 18:40:48,332 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 [2018-12-09 18:40:48,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4320 states. [2018-12-09 18:40:48,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4320 to 4279. [2018-12-09 18:40:48,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4279 states. [2018-12-09 18:40:48,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4279 states to 4279 states and 6768 transitions. [2018-12-09 18:40:48,400 INFO L78 Accepts]: Start accepts. Automaton has 4279 states and 6768 transitions. Word has length 129 [2018-12-09 18:40:48,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:48,400 INFO L480 AbstractCegarLoop]: Abstraction has 4279 states and 6768 transitions. [2018-12-09 18:40:48,400 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:40:48,400 INFO L276 IsEmpty]: Start isEmpty. Operand 4279 states and 6768 transitions. [2018-12-09 18:40:48,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-09 18:40:48,402 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:48,402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:48,402 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:48,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:48,402 INFO L82 PathProgramCache]: Analyzing trace with hash 1902020488, now seen corresponding path program 1 times [2018-12-09 18:40:48,402 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:48,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:48,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:48,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:48,403 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:48,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:48,464 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:40:48,465 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:48,465 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:40:48,465 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:48,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:40:48,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:40:48,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:40:48,466 INFO L87 Difference]: Start difference. First operand 4279 states and 6768 transitions. Second operand 6 states. [2018-12-09 18:40:50,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:50,258 INFO L93 Difference]: Finished difference Result 11663 states and 19030 transitions. [2018-12-09 18:40:50,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:40:50,259 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2018-12-09 18:40:50,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:50,274 INFO L225 Difference]: With dead ends: 11663 [2018-12-09 18:40:50,274 INFO L226 Difference]: Without dead ends: 7390 [2018-12-09 18:40:50,280 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 [2018-12-09 18:40:50,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7390 states. [2018-12-09 18:40:50,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7390 to 7362. [2018-12-09 18:40:50,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7362 states. [2018-12-09 18:40:50,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7362 states to 7362 states and 10905 transitions. [2018-12-09 18:40:50,370 INFO L78 Accepts]: Start accepts. Automaton has 7362 states and 10905 transitions. Word has length 132 [2018-12-09 18:40:50,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:50,370 INFO L480 AbstractCegarLoop]: Abstraction has 7362 states and 10905 transitions. [2018-12-09 18:40:50,370 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:40:50,370 INFO L276 IsEmpty]: Start isEmpty. Operand 7362 states and 10905 transitions. [2018-12-09 18:40:50,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 18:40:50,371 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:50,371 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:50,371 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:50,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:50,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1440393839, now seen corresponding path program 1 times [2018-12-09 18:40:50,372 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:50,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:50,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:50,372 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:50,372 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:50,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:50,437 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 18:40:50,437 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:40:50,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 18:40:50,438 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:50,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 18:40:50,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 18:40:50,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 18:40:50,438 INFO L87 Difference]: Start difference. First operand 7362 states and 10905 transitions. Second operand 6 states. [2018-12-09 18:40:51,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:40:51,759 INFO L93 Difference]: Finished difference Result 16133 states and 24072 transitions. [2018-12-09 18:40:51,759 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 18:40:51,759 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 137 [2018-12-09 18:40:51,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:40:51,776 INFO L225 Difference]: With dead ends: 16133 [2018-12-09 18:40:51,776 INFO L226 Difference]: Without dead ends: 8777 [2018-12-09 18:40:51,782 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 [2018-12-09 18:40:51,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8777 states. [2018-12-09 18:40:51,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8777 to 7746. [2018-12-09 18:40:51,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7746 states. [2018-12-09 18:40:51,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7746 states to 7746 states and 10527 transitions. [2018-12-09 18:40:51,870 INFO L78 Accepts]: Start accepts. Automaton has 7746 states and 10527 transitions. Word has length 137 [2018-12-09 18:40:51,870 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:40:51,870 INFO L480 AbstractCegarLoop]: Abstraction has 7746 states and 10527 transitions. [2018-12-09 18:40:51,870 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 18:40:51,870 INFO L276 IsEmpty]: Start isEmpty. Operand 7746 states and 10527 transitions. [2018-12-09 18:40:51,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-09 18:40:51,871 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:40:51,871 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:40:51,871 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:40:51,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:51,871 INFO L82 PathProgramCache]: Analyzing trace with hash -37681811, now seen corresponding path program 1 times [2018-12-09 18:40:51,871 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:40:51,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:51,872 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:40:51,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:40:51,872 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:40:51,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:40:51,933 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 18:40:51,933 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:40:51,933 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:40:51,934 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 140 with the following transitions: [2018-12-09 18:40:51,935 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 18:40:51,967 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:40:51,967 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:40:52,292 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:40:52,293 INFO L272 AbstractInterpreter]: Visited 98 different actions 281 times. Merged at 4 different actions 7 times. Never widened. Performed 2536 root evaluator evaluations with a maximum evaluation depth of 7. Performed 2536 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 18:40:52,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:40:52,298 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:40:52,453 INFO L227 lantSequenceWeakener]: Weakened 136 states. On average, predicates are now at 80.99% of their original sizes. [2018-12-09 18:40:52,453 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:40:52,493 INFO L418 sIntCurrentIteration]: We unified 138 AI predicates to 138 [2018-12-09 18:40:52,493 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:40:52,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:40:52,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2018-12-09 18:40:52,494 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:40:52,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 18:40:52,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 18:40:52,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:40:52,495 INFO L87 Difference]: Start difference. First operand 7746 states and 10527 transitions. Second operand 10 states. [2018-12-09 18:42:32,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:42:32,616 INFO L93 Difference]: Finished difference Result 17964 states and 24291 transitions. [2018-12-09 18:42:32,616 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 18:42:32,616 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 139 [2018-12-09 18:42:32,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:42:32,643 INFO L225 Difference]: With dead ends: 17964 [2018-12-09 18:42:32,644 INFO L226 Difference]: Without dead ends: 10224 [2018-12-09 18:42:32,655 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 148 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 18:42:32,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10224 states. [2018-12-09 18:42:32,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10224 to 9115. [2018-12-09 18:42:32,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9115 states. [2018-12-09 18:42:32,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9115 states to 9115 states and 11918 transitions. [2018-12-09 18:42:32,795 INFO L78 Accepts]: Start accepts. Automaton has 9115 states and 11918 transitions. Word has length 139 [2018-12-09 18:42:32,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:42:32,796 INFO L480 AbstractCegarLoop]: Abstraction has 9115 states and 11918 transitions. [2018-12-09 18:42:32,796 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 18:42:32,796 INFO L276 IsEmpty]: Start isEmpty. Operand 9115 states and 11918 transitions. [2018-12-09 18:42:32,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2018-12-09 18:42:32,802 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:42:32,802 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:42:32,802 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:42:32,802 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:42:32,802 INFO L82 PathProgramCache]: Analyzing trace with hash 99438209, now seen corresponding path program 1 times [2018-12-09 18:42:32,803 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:42:32,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:42:32,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:42:32,803 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:42:32,803 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:42:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:42:33,028 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 354 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-12-09 18:42:33,028 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:42:33,028 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:42:33,028 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 532 with the following transitions: [2018-12-09 18:42:33,029 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 18:42:33,032 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:42:33,032 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:42:33,437 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:42:33,437 INFO L272 AbstractInterpreter]: Visited 249 different actions 987 times. Merged at 7 different actions 23 times. Never widened. Performed 11587 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11587 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 18:42:33,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:42:33,440 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:42:33,440 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:42:33,440 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_497bdc10-e9da-40f4-93dc-012ae00078b2/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 18:42:33,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:42:33,446 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:42:33,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:42:33,523 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:42:33,652 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 354 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-12-09 18:42:33,652 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:42:33,890 INFO L134 CoverageAnalysis]: Checked inductivity of 482 backedges. 354 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-12-09 18:42:33,906 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 18:42:33,907 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 18:42:33,907 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 18:42:33,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 18:42:33,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 18:42:33,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-09 18:42:33,907 INFO L87 Difference]: Start difference. First operand 9115 states and 11918 transitions. Second operand 9 states. [2018-12-09 18:42:36,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:42:36,487 INFO L93 Difference]: Finished difference Result 23983 states and 33421 transitions. [2018-12-09 18:42:36,488 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 18:42:36,488 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 531 [2018-12-09 18:42:36,488 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:42:36,524 INFO L225 Difference]: With dead ends: 23983 [2018-12-09 18:42:36,524 INFO L226 Difference]: Without dead ends: 14874 [2018-12-09 18:42:36,540 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1083 GetRequests, 1065 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-12-09 18:42:36,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14874 states. [2018-12-09 18:42:36,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14874 to 13116. [2018-12-09 18:42:36,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13116 states. [2018-12-09 18:42:36,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13116 states to 13116 states and 17216 transitions. [2018-12-09 18:42:36,765 INFO L78 Accepts]: Start accepts. Automaton has 13116 states and 17216 transitions. Word has length 531 [2018-12-09 18:42:36,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:42:36,766 INFO L480 AbstractCegarLoop]: Abstraction has 13116 states and 17216 transitions. [2018-12-09 18:42:36,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 18:42:36,766 INFO L276 IsEmpty]: Start isEmpty. Operand 13116 states and 17216 transitions. [2018-12-09 18:42:36,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 874 [2018-12-09 18:42:36,788 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:42:36,788 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 18:42:36,788 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:42:36,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:42:36,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1440315744, now seen corresponding path program 1 times [2018-12-09 18:42:36,789 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:42:36,789 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:42:36,789 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:42:36,790 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:42:36,790 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:42:36,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:42:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 1219 backedges. 409 proven. 660 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2018-12-09 18:42:38,089 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:42:38,089 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:42:38,090 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 874 with the following transitions: [2018-12-09 18:42:38,090 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 18:42:38,094 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:42:38,094 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:42:38,303 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:42:38,303 INFO L272 AbstractInterpreter]: Visited 259 different actions 512 times. Merged at 4 different actions 4 times. Never widened. Performed 5487 root evaluator evaluations with a maximum evaluation depth of 15. Performed 5487 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 18:42:38,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:42:38,305 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:42:38,741 INFO L227 lantSequenceWeakener]: Weakened 870 states. On average, predicates are now at 77.46% of their original sizes. [2018-12-09 18:42:38,741 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:42:38,785 INFO L418 sIntCurrentIteration]: We unified 872 AI predicates to 872 [2018-12-09 18:42:38,785 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:42:38,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:42:38,786 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-09 18:42:38,786 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:42:38,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 18:42:38,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 18:42:38,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:42:38,787 INFO L87 Difference]: Start difference. First operand 13116 states and 17216 transitions. Second operand 10 states. [2018-12-09 18:43:34,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:43:34,932 INFO L93 Difference]: Finished difference Result 26904 states and 35152 transitions. [2018-12-09 18:43:34,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 18:43:34,933 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 873 [2018-12-09 18:43:34,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:43:34,958 INFO L225 Difference]: With dead ends: 26904 [2018-12-09 18:43:34,958 INFO L226 Difference]: Without dead ends: 13794 [2018-12-09 18:43:34,976 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 880 GetRequests, 864 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 18:43:34,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13794 states. [2018-12-09 18:43:35,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13794 to 13792. [2018-12-09 18:43:35,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13792 states. [2018-12-09 18:43:35,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13792 states to 13792 states and 17920 transitions. [2018-12-09 18:43:35,145 INFO L78 Accepts]: Start accepts. Automaton has 13792 states and 17920 transitions. Word has length 873 [2018-12-09 18:43:35,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:43:35,145 INFO L480 AbstractCegarLoop]: Abstraction has 13792 states and 17920 transitions. [2018-12-09 18:43:35,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 18:43:35,145 INFO L276 IsEmpty]: Start isEmpty. Operand 13792 states and 17920 transitions. [2018-12-09 18:43:35,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 882 [2018-12-09 18:43:35,165 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:43:35,166 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 18:43:35,166 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:43:35,166 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:43:35,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1585976816, now seen corresponding path program 1 times [2018-12-09 18:43:35,166 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:43:35,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:43:35,167 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:43:35,167 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:43:35,167 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:43:35,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:43:35,757 INFO L134 CoverageAnalysis]: Checked inductivity of 1227 backedges. 451 proven. 578 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2018-12-09 18:43:35,757 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:43:35,757 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:43:35,757 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 882 with the following transitions: [2018-12-09 18:43:35,757 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 18:43:35,760 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:43:35,760 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:43:36,024 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 18:43:36,024 INFO L272 AbstractInterpreter]: Visited 259 different actions 764 times. Merged at 4 different actions 7 times. Never widened. Performed 8948 root evaluator evaluations with a maximum evaluation depth of 15. Performed 8948 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 18:43:36,027 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:43:36,027 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 18:43:36,424 INFO L227 lantSequenceWeakener]: Weakened 878 states. On average, predicates are now at 80.17% of their original sizes. [2018-12-09 18:43:36,425 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 18:43:36,461 INFO L418 sIntCurrentIteration]: We unified 880 AI predicates to 880 [2018-12-09 18:43:36,461 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 18:43:36,461 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:43:36,461 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-09 18:43:36,461 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:43:36,461 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 18:43:36,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 18:43:36,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 18:43:36,462 INFO L87 Difference]: Start difference. First operand 13792 states and 17920 transitions. Second operand 9 states. [2018-12-09 18:44:18,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:44:18,165 INFO L93 Difference]: Finished difference Result 27252 states and 35517 transitions. [2018-12-09 18:44:18,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 18:44:18,165 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 881 [2018-12-09 18:44:18,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:44:18,188 INFO L225 Difference]: With dead ends: 27252 [2018-12-09 18:44:18,189 INFO L226 Difference]: Without dead ends: 14142 [2018-12-09 18:44:18,202 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 887 GetRequests, 873 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-09 18:44:18,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14142 states. [2018-12-09 18:44:18,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14142 to 14135. [2018-12-09 18:44:18,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14135 states. [2018-12-09 18:44:18,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14135 states to 14135 states and 18288 transitions. [2018-12-09 18:44:18,378 INFO L78 Accepts]: Start accepts. Automaton has 14135 states and 18288 transitions. Word has length 881 [2018-12-09 18:44:18,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:44:18,378 INFO L480 AbstractCegarLoop]: Abstraction has 14135 states and 18288 transitions. [2018-12-09 18:44:18,378 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 18:44:18,378 INFO L276 IsEmpty]: Start isEmpty. Operand 14135 states and 18288 transitions. [2018-12-09 18:44:18,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 965 [2018-12-09 18:44:18,388 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:44:18,389 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:44:18,389 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:44:18,389 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:44:18,389 INFO L82 PathProgramCache]: Analyzing trace with hash -938021096, now seen corresponding path program 1 times [2018-12-09 18:44:18,389 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:44:18,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:44:18,390 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:44:18,390 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:44:18,390 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:44:18,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:44:19,474 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 306 proven. 572 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2018-12-09 18:44:19,474 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:44:19,474 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:44:19,474 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 965 with the following transitions: [2018-12-09 18:44:19,474 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 18:44:19,477 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:44:19,477 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:44:19,944 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:44:19,944 INFO L272 AbstractInterpreter]: Visited 261 different actions 1303 times. Merged at 9 different actions 41 times. Never widened. Performed 15879 root evaluator evaluations with a maximum evaluation depth of 15. Performed 15879 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 13 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 18:44:19,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:44:19,947 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:44:19,947 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:44:19,947 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_497bdc10-e9da-40f4-93dc-012ae00078b2/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 18:44:19,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:44:19,953 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:44:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:44:20,064 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:44:20,364 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 1017 proven. 2 refuted. 0 times theorem prover too weak. 605 trivial. 0 not checked. [2018-12-09 18:44:20,365 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:44:20,788 INFO L134 CoverageAnalysis]: Checked inductivity of 1624 backedges. 306 proven. 572 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2018-12-09 18:44:20,803 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 18:44:20,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-12-09 18:44:20,803 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 18:44:20,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-09 18:44:20,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-09 18:44:20,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-12-09 18:44:20,804 INFO L87 Difference]: Start difference. First operand 14135 states and 18288 transitions. Second operand 15 states. [2018-12-09 18:44:25,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:44:25,183 INFO L93 Difference]: Finished difference Result 30245 states and 39106 transitions. [2018-12-09 18:44:25,183 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2018-12-09 18:44:25,183 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 964 [2018-12-09 18:44:25,183 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:44:25,207 INFO L225 Difference]: With dead ends: 30245 [2018-12-09 18:44:25,208 INFO L226 Difference]: Without dead ends: 15016 [2018-12-09 18:44:25,227 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2000 GetRequests, 1948 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 760 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=629, Invalid=2233, Unknown=0, NotChecked=0, Total=2862 [2018-12-09 18:44:25,236 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15016 states. [2018-12-09 18:44:25,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15016 to 14264. [2018-12-09 18:44:25,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14264 states. [2018-12-09 18:44:25,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14264 states to 14264 states and 16052 transitions. [2018-12-09 18:44:25,390 INFO L78 Accepts]: Start accepts. Automaton has 14264 states and 16052 transitions. Word has length 964 [2018-12-09 18:44:25,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:44:25,390 INFO L480 AbstractCegarLoop]: Abstraction has 14264 states and 16052 transitions. [2018-12-09 18:44:25,390 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-09 18:44:25,390 INFO L276 IsEmpty]: Start isEmpty. Operand 14264 states and 16052 transitions. [2018-12-09 18:44:25,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 977 [2018-12-09 18:44:25,404 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:44:25,404 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:44:25,405 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:44:25,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:44:25,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1399044912, now seen corresponding path program 1 times [2018-12-09 18:44:25,405 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:44:25,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:44:25,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:44:25,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:44:25,406 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:44:25,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:44:25,922 INFO L134 CoverageAnalysis]: Checked inductivity of 1760 backedges. 767 proven. 2 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2018-12-09 18:44:25,922 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:44:25,922 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:44:25,923 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 977 with the following transitions: [2018-12-09 18:44:25,923 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 18:44:25,925 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:44:25,925 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:44:26,390 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:44:26,390 INFO L272 AbstractInterpreter]: Visited 251 different actions 1003 times. Merged at 9 different actions 31 times. Widened at 1 different actions 1 times. Performed 11753 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11753 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 10 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 18:44:26,392 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:44:26,392 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:44:26,392 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:44:26,392 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_497bdc10-e9da-40f4-93dc-012ae00078b2/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 18:44:26,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:44:26,397 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:44:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:44:26,501 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:44:26,748 INFO L134 CoverageAnalysis]: Checked inductivity of 1760 backedges. 767 proven. 2 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2018-12-09 18:44:26,748 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:44:27,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1760 backedges. 767 proven. 2 refuted. 0 times theorem prover too weak. 991 trivial. 0 not checked. [2018-12-09 18:44:27,086 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 18:44:27,086 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-12-09 18:44:27,086 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 18:44:27,086 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 18:44:27,087 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 18:44:27,087 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 18:44:27,087 INFO L87 Difference]: Start difference. First operand 14264 states and 16052 transitions. Second operand 10 states. [2018-12-09 18:44:28,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:44:28,945 INFO L93 Difference]: Finished difference Result 29909 states and 33934 transitions. [2018-12-09 18:44:28,945 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 18:44:28,945 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 976 [2018-12-09 18:44:28,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:44:28,971 INFO L225 Difference]: With dead ends: 29909 [2018-12-09 18:44:28,971 INFO L226 Difference]: Without dead ends: 16327 [2018-12-09 18:44:28,989 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1983 GetRequests, 1959 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-12-09 18:44:28,999 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16327 states. [2018-12-09 18:44:29,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16327 to 16287. [2018-12-09 18:44:29,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16287 states. [2018-12-09 18:44:29,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16287 states to 16287 states and 17959 transitions. [2018-12-09 18:44:29,156 INFO L78 Accepts]: Start accepts. Automaton has 16287 states and 17959 transitions. Word has length 976 [2018-12-09 18:44:29,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:44:29,156 INFO L480 AbstractCegarLoop]: Abstraction has 16287 states and 17959 transitions. [2018-12-09 18:44:29,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 18:44:29,156 INFO L276 IsEmpty]: Start isEmpty. Operand 16287 states and 17959 transitions. [2018-12-09 18:44:29,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 996 [2018-12-09 18:44:29,166 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:44:29,167 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:44:29,167 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:44:29,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:44:29,167 INFO L82 PathProgramCache]: Analyzing trace with hash -423808070, now seen corresponding path program 1 times [2018-12-09 18:44:29,167 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:44:29,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:44:29,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:44:29,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:44:29,168 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:44:29,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:44:29,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2049 backedges. 756 proven. 142 refuted. 0 times theorem prover too weak. 1151 trivial. 0 not checked. [2018-12-09 18:44:29,594 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:44:29,594 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:44:29,595 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 996 with the following transitions: [2018-12-09 18:44:29,595 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 18:44:29,598 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:44:29,598 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:44:29,990 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:44:29,991 INFO L272 AbstractInterpreter]: Visited 252 different actions 1012 times. Merged at 10 different actions 36 times. Never widened. Performed 11802 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11802 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 18:44:29,993 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:44:29,993 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:44:29,993 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:44:29,993 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_497bdc10-e9da-40f4-93dc-012ae00078b2/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 18:44:29,999 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:44:29,999 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:44:30,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:44:30,102 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:44:30,409 INFO L134 CoverageAnalysis]: Checked inductivity of 2049 backedges. 1323 proven. 2 refuted. 0 times theorem prover too weak. 724 trivial. 0 not checked. [2018-12-09 18:44:30,409 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:44:30,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2049 backedges. 756 proven. 142 refuted. 0 times theorem prover too weak. 1151 trivial. 0 not checked. [2018-12-09 18:44:30,758 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 18:44:30,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 18:44:30,758 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 18:44:30,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 18:44:30,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 18:44:30,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 18:44:30,759 INFO L87 Difference]: Start difference. First operand 16287 states and 17959 transitions. Second operand 9 states. [2018-12-09 18:44:32,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:44:32,609 INFO L93 Difference]: Finished difference Result 36226 states and 40708 transitions. [2018-12-09 18:44:32,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 18:44:32,609 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 995 [2018-12-09 18:44:32,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:44:32,643 INFO L225 Difference]: With dead ends: 36226 [2018-12-09 18:44:32,643 INFO L226 Difference]: Without dead ends: 20621 [2018-12-09 18:44:32,663 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2013 GetRequests, 1994 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=113, Invalid=229, Unknown=0, NotChecked=0, Total=342 [2018-12-09 18:44:32,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20621 states. [2018-12-09 18:44:32,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20621 to 18995. [2018-12-09 18:44:32,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18995 states. [2018-12-09 18:44:32,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18995 states to 18995 states and 20709 transitions. [2018-12-09 18:44:32,880 INFO L78 Accepts]: Start accepts. Automaton has 18995 states and 20709 transitions. Word has length 995 [2018-12-09 18:44:32,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:44:32,881 INFO L480 AbstractCegarLoop]: Abstraction has 18995 states and 20709 transitions. [2018-12-09 18:44:32,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 18:44:32,881 INFO L276 IsEmpty]: Start isEmpty. Operand 18995 states and 20709 transitions. [2018-12-09 18:44:32,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1054 [2018-12-09 18:44:32,892 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:44:32,892 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, 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, 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, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 18:44:32,893 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:44:32,893 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:44:32,893 INFO L82 PathProgramCache]: Analyzing trace with hash -1738042410, now seen corresponding path program 1 times [2018-12-09 18:44:32,893 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:44:32,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:44:32,893 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:44:32,893 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:44:32,893 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:44:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:44:33,260 INFO L134 CoverageAnalysis]: Checked inductivity of 2271 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 2010 trivial. 0 not checked. [2018-12-09 18:44:33,260 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:44:33,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 18:44:33,260 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:44:33,260 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 18:44:33,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 18:44:33,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 18:44:33,261 INFO L87 Difference]: Start difference. First operand 18995 states and 20709 transitions. Second operand 4 states. [2018-12-09 18:44:34,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:44:34,193 INFO L93 Difference]: Finished difference Result 36103 states and 38949 transitions. [2018-12-09 18:44:34,193 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 18:44:34,193 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1053 [2018-12-09 18:44:34,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:44:34,213 INFO L225 Difference]: With dead ends: 36103 [2018-12-09 18:44:34,213 INFO L226 Difference]: Without dead ends: 17451 [2018-12-09 18:44:34,231 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 [2018-12-09 18:44:34,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17451 states. [2018-12-09 18:44:34,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17451 to 15072. [2018-12-09 18:44:34,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15072 states. [2018-12-09 18:44:34,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15072 states to 15072 states and 15834 transitions. [2018-12-09 18:44:34,362 INFO L78 Accepts]: Start accepts. Automaton has 15072 states and 15834 transitions. Word has length 1053 [2018-12-09 18:44:34,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:44:34,363 INFO L480 AbstractCegarLoop]: Abstraction has 15072 states and 15834 transitions. [2018-12-09 18:44:34,363 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 18:44:34,363 INFO L276 IsEmpty]: Start isEmpty. Operand 15072 states and 15834 transitions. [2018-12-09 18:44:34,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1075 [2018-12-09 18:44:34,373 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:44:34,373 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, 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, 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, 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] [2018-12-09 18:44:34,373 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:44:34,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:44:34,374 INFO L82 PathProgramCache]: Analyzing trace with hash 459646137, now seen corresponding path program 1 times [2018-12-09 18:44:34,374 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:44:34,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:44:34,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:44:34,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:44:34,375 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:44:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:44:34,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2128 backedges. 976 proven. 583 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2018-12-09 18:44:34,995 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:44:34,995 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:44:34,996 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1075 with the following transitions: [2018-12-09 18:44:34,996 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 18:44:34,998 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:44:34,998 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:44:35,463 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:44:35,463 INFO L272 AbstractInterpreter]: Visited 263 different actions 1057 times. Merged at 10 different actions 37 times. Widened at 1 different actions 1 times. Performed 12545 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12545 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 18:44:35,464 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:44:35,465 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:44:35,465 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:44:35,465 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_497bdc10-e9da-40f4-93dc-012ae00078b2/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 18:44:35,471 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:44:35,471 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:44:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:44:35,586 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:44:35,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2128 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 1867 trivial. 0 not checked. [2018-12-09 18:44:35,883 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:44:36,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2128 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 1867 trivial. 0 not checked. [2018-12-09 18:44:36,174 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 18:44:36,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-09 18:44:36,175 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:44:36,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 18:44:36,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 18:44:36,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-09 18:44:36,175 INFO L87 Difference]: Start difference. First operand 15072 states and 15834 transitions. Second operand 3 states. [2018-12-09 18:44:36,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:44:36,739 INFO L93 Difference]: Finished difference Result 29462 states and 30976 transitions. [2018-12-09 18:44:36,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 18:44:36,740 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1074 [2018-12-09 18:44:36,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:44:36,757 INFO L225 Difference]: With dead ends: 29462 [2018-12-09 18:44:36,757 INFO L226 Difference]: Without dead ends: 15072 [2018-12-09 18:44:36,766 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2160 GetRequests, 2149 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-09 18:44:36,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15072 states. [2018-12-09 18:44:36,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15072 to 15072. [2018-12-09 18:44:36,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15072 states. [2018-12-09 18:44:36,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15072 states to 15072 states and 15698 transitions. [2018-12-09 18:44:36,881 INFO L78 Accepts]: Start accepts. Automaton has 15072 states and 15698 transitions. Word has length 1074 [2018-12-09 18:44:36,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:44:36,881 INFO L480 AbstractCegarLoop]: Abstraction has 15072 states and 15698 transitions. [2018-12-09 18:44:36,881 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 18:44:36,882 INFO L276 IsEmpty]: Start isEmpty. Operand 15072 states and 15698 transitions. [2018-12-09 18:44:36,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1472 [2018-12-09 18:44:36,897 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:44:36,897 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, 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, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 18:44:36,898 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:44:36,898 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:44:36,898 INFO L82 PathProgramCache]: Analyzing trace with hash -2061493303, now seen corresponding path program 1 times [2018-12-09 18:44:36,898 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:44:36,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:44:36,899 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:44:36,899 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:44:36,899 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:44:36,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:44:37,591 INFO L134 CoverageAnalysis]: Checked inductivity of 3916 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 3611 trivial. 0 not checked. [2018-12-09 18:44:37,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 18:44:37,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 18:44:37,592 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 18:44:37,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 18:44:37,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 18:44:37,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 18:44:37,592 INFO L87 Difference]: Start difference. First operand 15072 states and 15698 transitions. Second operand 4 states. [2018-12-09 18:44:38,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:44:38,566 INFO L93 Difference]: Finished difference Result 37570 states and 39260 transitions. [2018-12-09 18:44:38,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 18:44:38,567 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1471 [2018-12-09 18:44:38,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:44:38,591 INFO L225 Difference]: With dead ends: 37570 [2018-12-09 18:44:38,591 INFO L226 Difference]: Without dead ends: 22841 [2018-12-09 18:44:38,603 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 [2018-12-09 18:44:38,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22841 states. [2018-12-09 18:44:38,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22841 to 19802. [2018-12-09 18:44:38,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19802 states. [2018-12-09 18:44:38,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19802 states to 19802 states and 20625 transitions. [2018-12-09 18:44:38,781 INFO L78 Accepts]: Start accepts. Automaton has 19802 states and 20625 transitions. Word has length 1471 [2018-12-09 18:44:38,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:44:38,782 INFO L480 AbstractCegarLoop]: Abstraction has 19802 states and 20625 transitions. [2018-12-09 18:44:38,782 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 18:44:38,782 INFO L276 IsEmpty]: Start isEmpty. Operand 19802 states and 20625 transitions. [2018-12-09 18:44:38,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1687 [2018-12-09 18:44:38,804 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 18:44:38,804 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 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, 4, 4, 4, 4, 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, 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] [2018-12-09 18:44:38,804 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 18:44:38,805 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:44:38,805 INFO L82 PathProgramCache]: Analyzing trace with hash -1963474763, now seen corresponding path program 1 times [2018-12-09 18:44:38,805 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 18:44:38,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:44:38,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:44:38,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 18:44:38,805 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 18:44:38,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:44:40,655 INFO L134 CoverageAnalysis]: Checked inductivity of 5197 backedges. 1998 proven. 669 refuted. 0 times theorem prover too weak. 2530 trivial. 0 not checked. [2018-12-09 18:44:40,655 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:44:40,655 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 18:44:40,655 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1687 with the following transitions: [2018-12-09 18:44:40,656 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1036], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 18:44:40,658 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 18:44:40,658 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 18:44:41,408 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 18:44:41,408 INFO L272 AbstractInterpreter]: Visited 288 different actions 1154 times. Merged at 10 different actions 34 times. Widened at 1 different actions 1 times. Performed 13869 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13869 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 13 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-09 18:44:41,446 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 18:44:41,446 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 18:44:41,446 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 18:44:41,446 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_497bdc10-e9da-40f4-93dc-012ae00078b2/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 18:44:41,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 18:44:41,453 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 18:44:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 18:44:41,625 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 18:44:42,610 INFO L134 CoverageAnalysis]: Checked inductivity of 5197 backedges. 3593 proven. 2 refuted. 0 times theorem prover too weak. 1602 trivial. 0 not checked. [2018-12-09 18:44:42,610 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 18:44:44,957 INFO L134 CoverageAnalysis]: Checked inductivity of 5197 backedges. 1169 proven. 575 refuted. 0 times theorem prover too weak. 3453 trivial. 0 not checked. [2018-12-09 18:44:44,972 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 18:44:44,972 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 19 [2018-12-09 18:44:44,972 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 18:44:44,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-09 18:44:44,973 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-09 18:44:44,973 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-12-09 18:44:44,974 INFO L87 Difference]: Start difference. First operand 19802 states and 20625 transitions. Second operand 17 states. [2018-12-09 18:44:52,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 18:44:52,963 INFO L93 Difference]: Finished difference Result 39710 states and 41484 transitions. [2018-12-09 18:44:52,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-12-09 18:44:52,964 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1686 [2018-12-09 18:44:52,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 18:44:52,965 INFO L225 Difference]: With dead ends: 39710 [2018-12-09 18:44:52,965 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 18:44:52,984 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3456 GetRequests, 3401 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 682 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=483, Invalid=2169, Unknown=0, NotChecked=0, Total=2652 [2018-12-09 18:44:52,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 18:44:52,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 18:44:52,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 18:44:52,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 18:44:52,985 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1686 [2018-12-09 18:44:52,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 18:44:52,985 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 18:44:52,985 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-09 18:44:52,985 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 18:44:52,986 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 18:44:52,989 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 18:44:53,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,052 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,089 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,126 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,584 WARN L180 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 458 [2018-12-09 18:44:53,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,723 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,853 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,869 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,939 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:53,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:54,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:54,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:54,062 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:54,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:54,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:54,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:54,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:54,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:54,137 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:54,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:54,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:54,157 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:54,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:54,179 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:54,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:54,187 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:54,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:54,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:54,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:54,478 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 18:44:54,621 WARN L180 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 479 [2018-12-09 18:44:56,581 WARN L180 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 438 DAG size of output: 90 [2018-12-09 18:44:59,332 WARN L180 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 446 DAG size of output: 93 [2018-12-09 18:45:02,004 WARN L180 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 428 DAG size of output: 98 [2018-12-09 18:45:04,923 WARN L180 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 448 DAG size of output: 118 [2018-12-09 18:45:07,455 WARN L180 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 461 DAG size of output: 86 [2018-12-09 18:45:07,456 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,457 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,458 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,458 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,458 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,458 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,458 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,458 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,458 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,458 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse11 (= |old(~a15~0)| ~a15~0)) (.cse12 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a18~0 |old(~a18~0)|)) (.cse7 (= |old(~a12~0)| ~a12~0)) (.cse2 (= 7 |old(~a12~0)|)) (.cse23 (= 5 |old(~a12~0)|)) (.cse19 (= 8 |old(~a16~0)|)) (.cse24 (= 3 |old(~a15~0)|))) (let ((.cse17 (not .cse24)) (.cse5 (= |old(~a16~0)| ~a16~0)) (.cse4 (< 7 |old(~a12~0)|)) (.cse0 (and .cse24 .cse23 .cse19)) (.cse15 (< 8 |old(~a16~0)|)) (.cse3 (= 4 |old(~a15~0)|)) (.cse14 (< 0 (+ |old(~a18~0)| 87))) (.cse20 (not .cse2)) (.cse22 (not (= 8 |old(~a12~0)|))) (.cse9 (<= (+ |old(~a18~0)| 79) 0)) (.cse1 (= 12 |old(~a16~0)|)) (.cse21 (= 10 |old(~a16~0)|)) (.cse16 (not (= 9 |old(~a12~0)|))) (.cse8 (not .cse19)) (.cse18 (not .cse23)) (.cse13 (and .cse11 .cse12 .cse6 .cse7)) (.cse10 (< |old(~a15~0)| 4))) (and (or (or .cse0 (or .cse1 .cse2 .cse3 .cse4)) (and (and (and .cse5 .cse6) (= ~a15~0 |old(~a15~0)|)) .cse7)) (or .cse8 (or .cse9 .cse4 .cse10) (and (and .cse11 .cse12 .cse6) .cse7)) (or .cse13 .cse14 .cse15 .cse16 .cse10) (or (and (and .cse5 .cse6 .cse11) .cse7) .cse17 (and .cse9 (< 0 (+ |old(~a18~0)| 156))) .cse16) (or .cse17 .cse18 .cse13 .cse19) (or .cse1 .cse2 .cse13 .cse19 .cse4) (or (or .cse1 .cse20 .cse9 .cse21 .cse10) (and (and .cse11 .cse6) .cse5 .cse7)) (or .cse8 .cse13 .cse14 .cse4 .cse10) (or .cse13 .cse22 .cse14 .cse15) (or .cse13 .cse3 .cse9 .cse21 .cse19 .cse4) (or .cse13 .cse9 .cse15 .cse16) (or .cse13 (or .cse1 .cse22 .cse21 .cse19)) (or .cse0 .cse2 .cse3 .cse13 (< (+ |old(~a18~0)| 78) 0) .cse15) (or .cse13 .cse3 .cse20 .cse21 .cse19) (or .cse13 .cse3 .cse22) (or (or .cse1 .cse21 .cse14) .cse20 .cse13) (or .cse8 .cse13 .cse22 .cse9) (or .cse1 .cse13 .cse21 .cse19 .cse16 .cse10) (or .cse8 .cse18 .cse13 .cse10)))) [2018-12-09 18:45:07,458 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,458 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,458 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,458 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,458 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,458 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,458 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,458 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-09 18:45:07,458 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,458 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,458 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,458 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,458 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 18:45:07,459 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2018-12-09 18:45:07,460 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse4 (= |old(~a15~0)| ~a15~0)) (.cse5 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a18~0 |old(~a18~0)|)) (.cse7 (= |old(~a12~0)| ~a12~0)) (.cse17 (= 8 |old(~a16~0)|)) (.cse15 (= 7 |old(~a12~0)|)) (.cse24 (+ |old(~a18~0)| 87))) (let ((.cse14 (= |old(~a16~0)| ~a16~0)) (.cse9 (< 0 .cse24)) (.cse2 (< 7 |old(~a12~0)|)) (.cse20 (not (= 5 |old(~a12~0)|))) (.cse18 (not .cse15)) (.cse21 (not (= 3 |old(~a15~0)|))) (.cse22 (= |calculate_output_#in~input| 0)) (.cse23 (not (= calculate_output_~input 0))) (.cse0 (not .cse17)) (.cse19 (not (= 8 |old(~a12~0)|))) (.cse1 (<= (+ |old(~a18~0)| 79) 0)) (.cse16 (= 4 |old(~a15~0)|)) (.cse10 (< 8 |old(~a16~0)|)) (.cse12 (= 12 |old(~a16~0)|)) (.cse8 (and .cse4 .cse5 .cse6 .cse7)) (.cse13 (= 10 |old(~a16~0)|)) (.cse11 (not (= 9 |old(~a12~0)|))) (.cse3 (< |old(~a15~0)| 4))) (and (or .cse0 (or .cse1 .cse2 .cse3) (and (and .cse4 .cse5 .cse6) .cse7)) (or .cse8 .cse9 .cse10 .cse11 .cse3) (or (or .cse12 .cse13 .cse9) .cse8 .cse2) (or (and (and (and .cse14 .cse6) (or (not (= 5 ~a12~0)) (not (= 8 ~a16~0)) (not (= ~a15~0 3))) (= ~a15~0 |old(~a15~0)|)) .cse7) (or .cse12 .cse15 .cse16 .cse2)) (or .cse12 .cse15 .cse8 .cse17 .cse2) (or (or .cse12 .cse18 .cse1 .cse13 .cse3) (and (and .cse4 .cse6) .cse14 .cse7)) (or .cse8 .cse19 .cse9 .cse10) (or .cse8 .cse16 .cse1 .cse13 .cse17 .cse2) (or .cse0 .cse20 .cse8) (or .cse8 .cse1 .cse10 .cse11) (or .cse21 .cse20 .cse22 .cse8) (or .cse23 (or .cse21 .cse20 (= 0 |old(~a16~0)|) .cse22)) (or (or .cse12 .cse19 .cse13 .cse17) .cse8) (or .cse8 .cse16 .cse18 .cse13 .cse17) (or .cse8 .cse16 .cse19) (or .cse21 .cse8 (and .cse1 (< 0 (+ |old(~a18~0)| 156))) .cse11) (or (or .cse21 (not (= 6 |old(~a12~0)|))) (not (= .cse24 0)) (not (= 11 |old(~a16~0)|)) .cse22 .cse23) (or .cse0 .cse8 .cse19 .cse1) (or .cse15 .cse8 .cse16 (< (+ |old(~a18~0)| 78) 0) .cse10) (or .cse12 .cse8 .cse13 .cse17 .cse11 .cse3)))) [2018-12-09 18:45:07,460 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,460 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-09 18:45:07,460 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,460 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,460 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,460 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,460 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,460 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,460 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,460 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 18:45:07,460 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 18:45:07,460 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,460 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 18:45:07,460 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,460 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,460 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,460 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,460 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,460 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,460 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,460 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 18:45:07,461 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,462 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,463 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,464 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,464 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,464 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,464 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,464 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,464 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,464 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,464 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 18:45:07,464 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,464 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 18:45:07,464 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 18:45:07,464 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,464 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,464 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,464 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,464 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,464 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,464 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse13 (= 8 |old(~a16~0)|)) (.cse12 (= 7 |old(~a12~0)|)) (.cse20 (= |old(~a15~0)| ~a15~0)) (.cse21 (= ~a16~0 |old(~a16~0)|)) (.cse18 (= ~a18~0 |old(~a18~0)|)) (.cse19 (= |old(~a12~0)| ~a12~0))) (let ((.cse7 (and (and .cse20 .cse21 .cse18) .cse19)) (.cse2 (<= (+ |old(~a18~0)| 79) 0)) (.cse15 (not .cse12)) (.cse1 (not (= 3 |old(~a15~0)|))) (.cse17 (not (= 5 |old(~a12~0)|))) (.cse9 (< 8 |old(~a16~0)|)) (.cse4 (not .cse13)) (.cse16 (not (= 8 |old(~a12~0)|))) (.cse8 (< 0 (+ |old(~a18~0)| 87))) (.cse14 (= 4 |old(~a15~0)|)) (.cse5 (< 7 |old(~a12~0)|)) (.cse10 (= 12 |old(~a16~0)|)) (.cse0 (and .cse20 .cse21 .cse18 .cse19)) (.cse11 (= 10 |old(~a16~0)|)) (.cse3 (not (= 9 |old(~a12~0)|))) (.cse6 (< |old(~a15~0)| 4))) (and (or .cse0 .cse1 (and .cse2 (< 0 (+ |old(~a18~0)| 156))) .cse3) (or .cse4 (or .cse2 .cse5 .cse6) .cse7) (or .cse0 .cse8 .cse9 .cse3 .cse6) (or (or .cse10 .cse11 .cse8) .cse0 .cse5) (or .cse2 .cse9 .cse0 .cse3) (or .cse10 .cse0 .cse12 .cse13 .cse5) (or .cse0 .cse14 .cse2 .cse11 .cse13 .cse5) (or (or .cse10 .cse15 .cse2 .cse11 .cse6) .cse7) (or .cse14 .cse16 .cse0) (or .cse4 .cse17 .cse0) (or (or .cse10 .cse16 .cse11 .cse13) .cse0) (or .cse4 .cse0 .cse16 .cse2) (or .cse14 .cse15 .cse11 .cse13 .cse0) (or .cse1 .cse17 .cse0 (= |calculate_output_#in~input| 0)) (or .cse12 .cse0 .cse14 (< (+ |old(~a18~0)| 78) 0) .cse9) (or .cse4 .cse0 .cse16 .cse8) (or (and (and (and (= |old(~a16~0)| ~a16~0) .cse18) (= ~a15~0 |old(~a15~0)|)) .cse19) (or .cse10 .cse12 .cse14 .cse5)) (or .cse10 .cse0 .cse11 .cse13 .cse3 .cse6)))) [2018-12-09 18:45:07,464 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,464 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,464 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,464 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,465 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,466 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 18:45:07,467 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 18:45:07,467 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,467 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,467 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,467 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,467 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,467 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,467 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,467 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,467 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,467 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,467 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,467 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,467 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-09 18:45:07,467 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 18:45:07,468 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 18:45:07,468 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,468 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,468 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,468 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,468 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,468 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,468 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,468 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,468 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,468 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,468 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,468 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,468 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,469 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 18:45:07,469 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 18:45:07,469 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,469 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,469 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,469 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,469 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,469 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,469 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,469 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,469 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,469 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,469 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 18:45:07,469 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 18:45:07,469 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 18:45:07,470 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,471 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,472 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 18:45:07,473 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 18:45:07,474 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,474 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,474 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-09 18:45:07,474 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 18:45:07,474 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= ~a15~0 3) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-12-09 18:45:07,474 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 18:45:07,474 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 18:45:07,474 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (= |old(~a15~0)| ~a15~0) (= ~a16~0 |old(~a16~0)|) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0))) [2018-12-09 18:45:07,474 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-09 18:45:07,474 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse11 (not (= ~a16~0 10))) (.cse14 (not (= ~a16~0 8))) (.cse2 (not (= ~a12~0 7)))) (let ((.cse13 (= ~a15~0 3)) (.cse7 (= ~a12~0 9)) (.cse10 (and .cse11 .cse14 .cse2)) (.cse3 (<= ~a12~0 7)) (.cse6 (<= 4 ~a15~0)) (.cse4 (<= ~a16~0 8)) (.cse5 (< 0 (+ ~a18~0 79))) (.cse0 (not (= ~a15~0 4))) (.cse12 (= 7 ~a12~0)) (.cse9 (= 8 ~a12~0)) (.cse8 (<= (+ ~a18~0 87) 0)) (.cse1 (not (= ~a16~0 12)))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (and .cse2 .cse3 .cse4) .cse5) (and .cse6 .cse4 .cse7 .cse5) (not (= 3 |old(~a15~0)|)) (and .cse8 .cse3 .cse4) (and .cse9 (and .cse10 .cse1)) (and (= 5 ~a12~0) .cse4) (and (and .cse8 .cse11 .cse1) .cse12) (not (= 5 |old(~a12~0)|)) (and .cse8 .cse6 .cse4 .cse7) (and (not (= main_~input~0 0)) .cse13 (= ~a12~0 5)) (and (and .cse0 .cse2 .cse4) (<= 135 ~a18~0)) (and .cse14 .cse1 .cse2 .cse3) (and (= 9 ~a12~0) .cse13 (or (<= (+ ~a18~0 156) 0) .cse5)) (and .cse10 .cse6 .cse1 .cse7) (and (and .cse0 .cse10) .cse3 .cse5) (and (and .cse11 .cse14 .cse1 .cse12) .cse5) (and .cse0 .cse9) (and .cse9 .cse5 .cse11 .cse1) (and .cse6 .cse4 .cse12 .cse5) (and .cse11 .cse0 .cse14 .cse12) (and .cse9 .cse8 .cse11 .cse1)))) [2018-12-09 18:45:07,474 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-09 18:45:07,474 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-09 18:45:07,474 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse12 (not (= ~a16~0 10))) (.cse15 (not (= ~a16~0 8))) (.cse2 (not (= ~a12~0 7)))) (let ((.cse11 (= 5 ~a12~0)) (.cse14 (= ~a15~0 3)) (.cse7 (= ~a12~0 9)) (.cse10 (and .cse12 .cse15 .cse2)) (.cse3 (<= ~a12~0 7)) (.cse6 (<= 4 ~a15~0)) (.cse4 (<= ~a16~0 8)) (.cse5 (< 0 (+ ~a18~0 79))) (.cse0 (not (= ~a15~0 4))) (.cse13 (= 7 ~a12~0)) (.cse9 (= 8 ~a12~0)) (.cse8 (<= (+ ~a18~0 87) 0)) (.cse1 (not (= ~a16~0 12)))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (and .cse2 .cse3 .cse4) .cse5) (and .cse6 .cse4 .cse7 .cse5) (not (= 3 |old(~a15~0)|)) (and .cse8 .cse3 .cse4) (and .cse9 (and .cse10 .cse1)) (and .cse11 .cse4) (and (and .cse8 .cse12 .cse1) .cse13) (not (= 5 |old(~a12~0)|)) (and .cse8 .cse6 .cse4 .cse7) (and .cse14 .cse11) (and (and .cse0 .cse2 .cse4) (<= 135 ~a18~0)) (and .cse15 .cse1 .cse2 .cse3) (and (= 9 ~a12~0) .cse14 (or (<= (+ ~a18~0 156) 0) .cse5)) (and .cse10 .cse6 .cse1 .cse7) (and (and .cse0 .cse10) .cse3 .cse5) (and (and .cse12 .cse15 .cse1 .cse13) .cse5) (and .cse0 .cse9) (and .cse9 .cse5 .cse12 .cse1) (and .cse6 .cse4 .cse13 .cse5) (and .cse12 .cse0 .cse15 .cse13) (and .cse9 .cse8 .cse12 .cse1)))) [2018-12-09 18:45:07,474 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-09 18:45:07,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 06:45:07 BoogieIcfgContainer [2018-12-09 18:45:07,485 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 18:45:07,486 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 18:45:07,486 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 18:45:07,486 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 18:45:07,486 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 06:40:40" (3/4) ... [2018-12-09 18:45:07,489 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 18:45:07,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 18:45:07,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-09 18:45:07,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 18:45:07,493 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 18:45:07,509 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 18:45:07,511 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 18:45:07,533 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((!(a15 == 4) && !(a16 == 12)) && !(a12 == 7)) && a12 <= 7) || !(11 == \old(a16))) || !(\old(a18) + 87 == 0)) || (((!(a12 == 7) && a12 <= 7) && a16 <= 8) && 0 < a18 + 79)) || (((4 <= a15 && a16 <= 8) && a12 == 9) && 0 < a18 + 79)) || !(3 == \old(a15))) || ((a18 + 87 <= 0 && a12 <= 7) && a16 <= 8)) || (8 == a12 && ((!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && !(a16 == 12))) || (5 == a12 && a16 <= 8)) || (((a18 + 87 <= 0 && !(a16 == 10)) && !(a16 == 12)) && 7 == a12)) || !(5 == \old(a12))) || (((a18 + 87 <= 0 && 4 <= a15) && a16 <= 8) && a12 == 9)) || (a15 == 3 && 5 == a12)) || (((!(a15 == 4) && !(a12 == 7)) && a16 <= 8) && 135 <= a18)) || (((!(a16 == 8) && !(a16 == 12)) && !(a12 == 7)) && a12 <= 7)) || ((9 == a12 && a15 == 3) && (a18 + 156 <= 0 || 0 < a18 + 79))) || (((((!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && 4 <= a15) && !(a16 == 12)) && a12 == 9)) || (((!(a15 == 4) && (!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && a12 <= 7) && 0 < a18 + 79)) || ((((!(a16 == 10) && !(a16 == 8)) && !(a16 == 12)) && 7 == a12) && 0 < a18 + 79)) || (!(a15 == 4) && 8 == a12)) || (((8 == a12 && 0 < a18 + 79) && !(a16 == 10)) && !(a16 == 12))) || (((4 <= a15 && a16 <= 8) && 7 == a12) && 0 < a18 + 79)) || (((!(a16 == 10) && !(a15 == 4)) && !(a16 == 8)) && 7 == a12)) || (((8 == a12 && a18 + 87 <= 0) && !(a16 == 10)) && !(a16 == 12)) [2018-12-09 18:45:07,625 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_497bdc10-e9da-40f4-93dc-012ae00078b2/bin-2019/utaipan/witness.graphml [2018-12-09 18:45:07,626 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 18:45:07,626 INFO L168 Benchmark]: Toolchain (without parser) took 269105.09 ms. Allocated memory was 1.0 GB in the beginning and 5.3 GB in the end (delta: 4.2 GB). Free memory was 949.6 MB in the beginning and 4.1 GB in the end (delta: -3.2 GB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-09 18:45:07,627 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:45:07,627 INFO L168 Benchmark]: CACSL2BoogieTranslator took 513.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. [2018-12-09 18:45:07,627 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 18:45:07,627 INFO L168 Benchmark]: Boogie Preprocessor took 56.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 18:45:07,627 INFO L168 Benchmark]: RCFGBuilder took 1284.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 830.1 MB in the end (delta: 254.4 MB). Peak memory consumption was 254.4 MB. Max. memory is 11.5 GB. [2018-12-09 18:45:07,628 INFO L168 Benchmark]: TraceAbstraction took 267083.07 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 830.1 MB in the beginning and 4.1 GB in the end (delta: -3.3 GB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. [2018-12-09 18:45:07,628 INFO L168 Benchmark]: Witness Printer took 140.12 ms. Allocated memory is still 5.3 GB. Free memory is still 4.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 18:45:07,629 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 513.19 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 73.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.36 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1284.07 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 830.1 MB in the end (delta: 254.4 MB). Peak memory consumption was 254.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 267083.07 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 830.1 MB in the beginning and 4.1 GB in the end (delta: -3.3 GB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. * Witness Printer took 140.12 ms. Allocated memory is still 5.3 GB. Free memory is still 4.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: 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: 1773]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((!(a15 == 4) && !(a16 == 12)) && !(a12 == 7)) && a12 <= 7) || !(11 == \old(a16))) || !(\old(a18) + 87 == 0)) || (((!(a12 == 7) && a12 <= 7) && a16 <= 8) && 0 < a18 + 79)) || (((4 <= a15 && a16 <= 8) && a12 == 9) && 0 < a18 + 79)) || !(3 == \old(a15))) || ((a18 + 87 <= 0 && a12 <= 7) && a16 <= 8)) || (8 == a12 && ((!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && !(a16 == 12))) || (5 == a12 && a16 <= 8)) || (((a18 + 87 <= 0 && !(a16 == 10)) && !(a16 == 12)) && 7 == a12)) || !(5 == \old(a12))) || (((a18 + 87 <= 0 && 4 <= a15) && a16 <= 8) && a12 == 9)) || (a15 == 3 && 5 == a12)) || (((!(a15 == 4) && !(a12 == 7)) && a16 <= 8) && 135 <= a18)) || (((!(a16 == 8) && !(a16 == 12)) && !(a12 == 7)) && a12 <= 7)) || ((9 == a12 && a15 == 3) && (a18 + 156 <= 0 || 0 < a18 + 79))) || (((((!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && 4 <= a15) && !(a16 == 12)) && a12 == 9)) || (((!(a15 == 4) && (!(a16 == 10) && !(a16 == 8)) && !(a12 == 7)) && a12 <= 7) && 0 < a18 + 79)) || ((((!(a16 == 10) && !(a16 == 8)) && !(a16 == 12)) && 7 == a12) && 0 < a18 + 79)) || (!(a15 == 4) && 8 == a12)) || (((8 == a12 && 0 < a18 + 79) && !(a16 == 10)) && !(a16 == 12))) || (((4 <= a15 && a16 <= 8) && 7 == a12) && 0 < a18 + 79)) || (((!(a16 == 10) && !(a15 == 4)) && !(a16 == 8)) && 7 == a12)) || (((8 == a12 && a18 + 87 <= 0) && !(a16 == 10)) && !(a16 == 12)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 267.0s OverallTime, 17 OverallIterations, 9 TraceHistogramMax, 229.9s AutomataDifference, 0.0s DeadEndRemovalTime, 14.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2311 SDtfs, 26119 SDslu, 1799 SDs, 0 SdLazy, 48808 SolverSat, 7791 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 207.4s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 14675 GetRequests, 14402 SyntacticMatches, 22 SemanticMatches, 251 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1768 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=19802occurred in iteration=16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.8s AbstIntTime, 9 AbstIntIterations, 3 AbstIntStrong, 0.9983557729465985 AbsIntWeakeningRatio, 0.050793650793650794 AbsIntAvgWeakeningVarsNumRemoved, 16.224338624338625 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 17 MinimizatonAttempts, 11896 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 2365 PreInvPairs, 2661 NumberOfFragments, 2452 HoareAnnotationTreeSize, 2365 FomulaSimplifications, 601773 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 9 FomulaSimplificationsInter, 292801 FormulaSimplificationTreeSizeReductionInter, 12.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 8.4s InterpolantComputationTime, 17565 NumberOfCodeBlocks, 17565 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 23762 ConstructedInterpolants, 0 QuantifiedInterpolants, 78215515 SizeOfPredicates, 4 NumberOfNonLiveVariables, 8163 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 29 InterpolantComputations, 10 PerfectInterpolantSequences, 44050/48599 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...