./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label56_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_83ab4bd7-2e8d-4bf0-aaf6-860ff5a51d55/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_83ab4bd7-2e8d-4bf0-aaf6-860ff5a51d55/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_83ab4bd7-2e8d-4bf0-aaf6-860ff5a51d55/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_83ab4bd7-2e8d-4bf0-aaf6-860ff5a51d55/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label56_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_83ab4bd7-2e8d-4bf0-aaf6-860ff5a51d55/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_83ab4bd7-2e8d-4bf0-aaf6-860ff5a51d55/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 439f1d485598c95b6ad52de0b1a6a4102dab8d7b ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:22:19,516 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:22:19,517 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:22:19,524 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:22:19,524 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:22:19,525 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:22:19,526 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:22:19,527 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:22:19,528 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:22:19,529 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:22:19,530 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:22:19,530 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:22:19,531 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:22:19,532 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:22:19,532 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:22:19,533 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:22:19,533 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:22:19,535 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:22:19,536 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:22:19,537 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:22:19,538 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:22:19,539 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:22:19,541 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:22:19,541 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:22:19,541 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:22:19,542 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:22:19,543 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:22:19,543 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:22:19,543 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:22:19,544 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:22:19,544 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:22:19,544 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:22:19,544 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:22:19,545 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:22:19,545 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:22:19,545 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:22:19,546 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_83ab4bd7-2e8d-4bf0-aaf6-860ff5a51d55/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 08:22:19,554 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:22:19,554 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:22:19,555 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 08:22:19,555 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 08:22:19,555 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 08:22:19,555 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 08:22:19,555 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 08:22:19,555 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 08:22:19,555 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 08:22:19,556 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 08:22:19,556 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 08:22:19,556 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 08:22:19,556 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 08:22:19,556 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:22:19,557 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 08:22:19,557 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:22:19,557 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 08:22:19,557 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:22:19,557 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 08:22:19,557 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 08:22:19,557 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 08:22:19,557 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 08:22:19,558 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:22:19,558 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:22:19,558 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 08:22:19,558 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:22:19,558 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:22:19,558 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 08:22:19,558 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 08:22:19,559 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 08:22:19,559 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:22:19,559 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 08:22:19,559 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 08:22:19,559 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 08:22:19,559 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 08:22:19,559 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 08:22:19,559 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 08:22:19,560 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_83ab4bd7-2e8d-4bf0-aaf6-860ff5a51d55/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 -> 439f1d485598c95b6ad52de0b1a6a4102dab8d7b [2018-11-23 08:22:19,584 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:22:19,593 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:22:19,596 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:22:19,597 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:22:19,597 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:22:19,598 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_83ab4bd7-2e8d-4bf0-aaf6-860ff5a51d55/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label56_true-unreach-call.c [2018-11-23 08:22:19,643 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83ab4bd7-2e8d-4bf0-aaf6-860ff5a51d55/bin-2019/utaipan/data/14397a123/abd833295eaf46599aa2317bed69750a/FLAGa74f6730d [2018-11-23 08:22:20,192 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:22:20,193 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_83ab4bd7-2e8d-4bf0-aaf6-860ff5a51d55/sv-benchmarks/c/eca-rers2012/Problem16_label56_true-unreach-call.c [2018-11-23 08:22:20,203 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_83ab4bd7-2e8d-4bf0-aaf6-860ff5a51d55/bin-2019/utaipan/data/14397a123/abd833295eaf46599aa2317bed69750a/FLAGa74f6730d [2018-11-23 08:22:20,619 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_83ab4bd7-2e8d-4bf0-aaf6-860ff5a51d55/bin-2019/utaipan/data/14397a123/abd833295eaf46599aa2317bed69750a [2018-11-23 08:22:20,621 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:22:20,622 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:22:20,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:22:20,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:22:20,625 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:22:20,626 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:20" (1/1) ... [2018-11-23 08:22:20,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2be70009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:20, skipping insertion in model container [2018-11-23 08:22:20,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:22:20" (1/1) ... [2018-11-23 08:22:20,635 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:22:20,687 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:22:21,091 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:22:21,094 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:22:21,243 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:22:21,254 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:22:21,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:21 WrapperNode [2018-11-23 08:22:21,254 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:22:21,255 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:22:21,255 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:22:21,255 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:22:21,380 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:21" (1/1) ... [2018-11-23 08:22:21,401 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:21" (1/1) ... [2018-11-23 08:22:21,408 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:22:21,409 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:22:21,409 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:22:21,409 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:22:21,418 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:21" (1/1) ... [2018-11-23 08:22:21,419 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:21" (1/1) ... [2018-11-23 08:22:21,424 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:21" (1/1) ... [2018-11-23 08:22:21,424 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:21" (1/1) ... [2018-11-23 08:22:21,454 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:21" (1/1) ... [2018-11-23 08:22:21,465 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:21" (1/1) ... [2018-11-23 08:22:21,476 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:21" (1/1) ... [2018-11-23 08:22:21,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:22:21,486 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:22:21,486 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:22:21,487 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:22:21,487 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83ab4bd7-2e8d-4bf0-aaf6-860ff5a51d55/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 [2018-11-23 08:22:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 08:22:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 08:22:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 08:22:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-23 08:22:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-23 08:22:21,537 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 08:22:21,537 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 08:22:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:22:21,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:22:21,538 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 08:22:21,538 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 08:22:23,207 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:22:23,207 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 08:22:23,208 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:23 BoogieIcfgContainer [2018-11-23 08:22:23,208 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:22:23,209 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 08:22:23,209 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 08:22:23,212 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 08:22:23,212 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:22:20" (1/3) ... [2018-11-23 08:22:23,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9875be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:22:23, skipping insertion in model container [2018-11-23 08:22:23,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:22:21" (2/3) ... [2018-11-23 08:22:23,213 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3f9875be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:22:23, skipping insertion in model container [2018-11-23 08:22:23,213 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:23" (3/3) ... [2018-11-23 08:22:23,215 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label56_true-unreach-call.c [2018-11-23 08:22:23,225 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 08:22:23,232 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 08:22:23,248 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 08:22:23,283 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 08:22:23,283 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 08:22:23,283 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 08:22:23,283 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:22:23,284 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:22:23,284 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 08:22:23,284 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:22:23,284 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 08:22:23,347 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-11-23 08:22:23,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-11-23 08:22:23,355 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:22:23,356 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] [2018-11-23 08:22:23,358 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:22:23,368 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:22:23,369 INFO L82 PathProgramCache]: Analyzing trace with hash -645226158, now seen corresponding path program 1 times [2018-11-23 08:22:23,371 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:22:23,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:22:23,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:22:23,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:22:23,418 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:22:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:22:23,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:22:23,596 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:22:23,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 08:22:23,597 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:22:23,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:22:23,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:22:23,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 08:22:23,615 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-11-23 08:22:25,070 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:22:25,071 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-11-23 08:22:25,073 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:22:25,074 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 39 [2018-11-23 08:22:25,075 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:22:25,087 INFO L225 Difference]: With dead ends: 1153 [2018-11-23 08:22:25,087 INFO L226 Difference]: Without dead ends: 742 [2018-11-23 08:22:25,093 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 [2018-11-23 08:22:25,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2018-11-23 08:22:25,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2018-11-23 08:22:25,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-11-23 08:22:25,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1351 transitions. [2018-11-23 08:22:25,155 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1351 transitions. Word has length 39 [2018-11-23 08:22:25,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:22:25,156 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1351 transitions. [2018-11-23 08:22:25,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:22:25,156 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1351 transitions. [2018-11-23 08:22:25,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 08:22:25,160 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:22:25,161 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:22:25,161 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:22:25,161 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:22:25,161 INFO L82 PathProgramCache]: Analyzing trace with hash 273083902, now seen corresponding path program 1 times [2018-11-23 08:22:25,161 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:22:25,162 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:22:25,162 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:22:25,163 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:22:25,163 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:22:25,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:22:25,321 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:22:25,322 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:22:25,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 08:22:25,322 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:22:25,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 08:22:25,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 08:22:25,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:22:25,324 INFO L87 Difference]: Start difference. First operand 742 states and 1351 transitions. Second operand 6 states. [2018-11-23 08:22:27,369 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:22:27,369 INFO L93 Difference]: Finished difference Result 2177 states and 3990 transitions. [2018-11-23 08:22:27,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 08:22:27,370 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 131 [2018-11-23 08:22:27,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:22:27,378 INFO L225 Difference]: With dead ends: 2177 [2018-11-23 08:22:27,378 INFO L226 Difference]: Without dead ends: 1441 [2018-11-23 08:22:27,382 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 [2018-11-23 08:22:27,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1441 states. [2018-11-23 08:22:27,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1441 to 1422. [2018-11-23 08:22:27,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1422 states. [2018-11-23 08:22:27,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1422 states and 2264 transitions. [2018-11-23 08:22:27,420 INFO L78 Accepts]: Start accepts. Automaton has 1422 states and 2264 transitions. Word has length 131 [2018-11-23 08:22:27,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:22:27,421 INFO L480 AbstractCegarLoop]: Abstraction has 1422 states and 2264 transitions. [2018-11-23 08:22:27,421 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 08:22:27,421 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 2264 transitions. [2018-11-23 08:22:27,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-23 08:22:27,426 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:22:27,426 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 08:22:27,426 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:22:27,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:22:27,426 INFO L82 PathProgramCache]: Analyzing trace with hash 59762670, now seen corresponding path program 1 times [2018-11-23 08:22:27,427 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:22:27,427 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:22:27,427 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:22:27,428 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:22:27,428 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:22:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:22:27,601 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 64 proven. 88 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 08:22:27,601 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:22:27,601 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:22:27,602 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 242 with the following transitions: [2018-11-23 08:22:27,603 INFO L202 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], [399], [401], [404], [412], [420], [428], [436], [444], [452], [460], [468], [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], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 08:22:27,636 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:22:27,636 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:22:27,897 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 08:22:27,898 INFO L272 AbstractInterpreter]: Visited 115 different actions 115 times. Never merged. Never widened. Performed 1036 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1036 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 08:22:27,911 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:22:27,911 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 08:22:28,208 INFO L227 lantSequenceWeakener]: Weakened 232 states. On average, predicates are now at 77.69% of their original sizes. [2018-11-23 08:22:28,209 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 08:22:28,244 INFO L415 sIntCurrentIteration]: We unified 240 AI predicates to 240 [2018-11-23 08:22:28,245 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 08:22:28,245 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:22:28,245 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 08:22:28,246 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:22:28,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 08:22:28,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 08:22:28,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 08:22:28,247 INFO L87 Difference]: Start difference. First operand 1422 states and 2264 transitions. Second operand 6 states. [2018-11-23 08:23:32,540 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:23:32,540 INFO L93 Difference]: Finished difference Result 3176 states and 5080 transitions. [2018-11-23 08:23:32,540 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 08:23:32,540 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 241 [2018-11-23 08:23:32,541 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:23:32,547 INFO L225 Difference]: With dead ends: 3176 [2018-11-23 08:23:32,547 INFO L226 Difference]: Without dead ends: 1760 [2018-11-23 08:23:32,550 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 241 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 08:23:32,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1760 states. [2018-11-23 08:23:32,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1760 to 1759. [2018-11-23 08:23:32,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1759 states. [2018-11-23 08:23:32,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1759 states and 2608 transitions. [2018-11-23 08:23:32,586 INFO L78 Accepts]: Start accepts. Automaton has 1759 states and 2608 transitions. Word has length 241 [2018-11-23 08:23:32,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:23:32,586 INFO L480 AbstractCegarLoop]: Abstraction has 1759 states and 2608 transitions. [2018-11-23 08:23:32,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 08:23:32,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1759 states and 2608 transitions. [2018-11-23 08:23:32,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-11-23 08:23:32,591 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:23:32,592 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:23:32,592 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:23:32,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:32,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1085038553, now seen corresponding path program 1 times [2018-11-23 08:23:32,593 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:23:32,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:32,593 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:23:32,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:23:32,594 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:23:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:23:32,796 INFO L134 CoverageAnalysis]: Checked inductivity of 370 backedges. 101 proven. 197 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-23 08:23:32,796 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:23:32,796 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:23:32,796 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 333 with the following transitions: [2018-11-23 08:23:32,797 INFO L202 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], [399], [401], [404], [412], [420], [428], [436], [444], [452], [460], [468], [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], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 08:23:32,800 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:23:32,800 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:23:33,008 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 08:23:33,009 INFO L272 AbstractInterpreter]: Visited 119 different actions 344 times. Merged at 4 different actions 7 times. Never widened. Performed 3335 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3335 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 08:23:33,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:23:33,014 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 08:23:33,214 INFO L227 lantSequenceWeakener]: Weakened 329 states. On average, predicates are now at 80.31% of their original sizes. [2018-11-23 08:23:33,215 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 08:23:33,262 INFO L415 sIntCurrentIteration]: We unified 331 AI predicates to 331 [2018-11-23 08:23:33,262 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 08:23:33,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:23:33,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 08:23:33,263 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:23:33,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 08:23:33,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 08:23:33,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 08:23:33,263 INFO L87 Difference]: Start difference. First operand 1759 states and 2608 transitions. Second operand 10 states. [2018-11-23 08:25:40,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:25:40,366 INFO L93 Difference]: Finished difference Result 5949 states and 9396 transitions. [2018-11-23 08:25:40,366 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 08:25:40,366 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 332 [2018-11-23 08:25:40,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:25:40,384 INFO L225 Difference]: With dead ends: 5949 [2018-11-23 08:25:40,384 INFO L226 Difference]: Without dead ends: 4533 [2018-11-23 08:25:40,392 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 341 GetRequests, 323 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 08:25:40,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4533 states. [2018-11-23 08:25:40,475 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4533 to 4514. [2018-11-23 08:25:40,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4514 states. [2018-11-23 08:25:40,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4514 states to 4514 states and 5602 transitions. [2018-11-23 08:25:40,486 INFO L78 Accepts]: Start accepts. Automaton has 4514 states and 5602 transitions. Word has length 332 [2018-11-23 08:25:40,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:25:40,487 INFO L480 AbstractCegarLoop]: Abstraction has 4514 states and 5602 transitions. [2018-11-23 08:25:40,487 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 08:25:40,487 INFO L276 IsEmpty]: Start isEmpty. Operand 4514 states and 5602 transitions. [2018-11-23 08:25:40,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 490 [2018-11-23 08:25:40,498 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:25:40,499 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:25:40,499 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:25:40,499 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:25:40,500 INFO L82 PathProgramCache]: Analyzing trace with hash 333996238, now seen corresponding path program 1 times [2018-11-23 08:25:40,500 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:25:40,500 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:25:40,501 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:25:40,501 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:25:40,501 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:25:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:25:41,002 INFO L134 CoverageAnalysis]: Checked inductivity of 408 backedges. 101 proven. 235 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-11-23 08:25:41,002 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:25:41,002 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:25:41,003 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 490 with the following transitions: [2018-11-23 08:25:41,003 INFO L202 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], [399], [401], [404], [412], [420], [428], [436], [444], [452], [460], [468], [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], [800], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [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], [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] [2018-11-23 08:25:41,008 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:25:41,008 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:25:41,244 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 08:25:41,244 INFO L272 AbstractInterpreter]: Visited 248 different actions 490 times. Merged at 4 different actions 4 times. Never widened. Performed 5187 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5187 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 08:25:41,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:25:41,250 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 08:25:41,515 INFO L227 lantSequenceWeakener]: Weakened 486 states. On average, predicates are now at 77.51% of their original sizes. [2018-11-23 08:25:41,516 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 08:25:41,570 INFO L415 sIntCurrentIteration]: We unified 488 AI predicates to 488 [2018-11-23 08:25:41,571 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 08:25:41,571 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:25:41,571 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 08:25:41,571 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:25:41,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 08:25:41,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 08:25:41,572 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 08:25:41,572 INFO L87 Difference]: Start difference. First operand 4514 states and 5602 transitions. Second operand 10 states. [2018-11-23 08:26:27,953 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:26:27,954 INFO L93 Difference]: Finished difference Result 9026 states and 11422 transitions. [2018-11-23 08:26:27,954 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 08:26:27,954 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 489 [2018-11-23 08:26:27,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:26:27,970 INFO L225 Difference]: With dead ends: 9026 [2018-11-23 08:26:27,971 INFO L226 Difference]: Without dead ends: 4855 [2018-11-23 08:26:27,980 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 496 GetRequests, 480 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-23 08:26:27,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4855 states. [2018-11-23 08:26:28,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4855 to 4853. [2018-11-23 08:26:28,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4853 states. [2018-11-23 08:26:28,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4853 states to 4853 states and 5957 transitions. [2018-11-23 08:26:28,069 INFO L78 Accepts]: Start accepts. Automaton has 4853 states and 5957 transitions. Word has length 489 [2018-11-23 08:26:28,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:26:28,069 INFO L480 AbstractCegarLoop]: Abstraction has 4853 states and 5957 transitions. [2018-11-23 08:26:28,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 08:26:28,070 INFO L276 IsEmpty]: Start isEmpty. Operand 4853 states and 5957 transitions. [2018-11-23 08:26:28,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 581 [2018-11-23 08:26:28,088 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:26:28,089 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:26:28,089 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:26:28,089 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:28,090 INFO L82 PathProgramCache]: Analyzing trace with hash 1642545671, now seen corresponding path program 1 times [2018-11-23 08:26:28,090 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:26:28,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:28,090 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:26:28,091 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:28,091 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:26:28,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:26:29,016 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 225 proven. 209 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-11-23 08:26:29,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:26:29,016 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:26:29,016 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 581 with the following transitions: [2018-11-23 08:26:29,017 INFO L202 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], [399], [401], [404], [412], [420], [428], [436], [444], [452], [460], [468], [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], [800], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [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], [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] [2018-11-23 08:26:29,021 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:26:29,021 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:26:29,381 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 08:26:29,381 INFO L272 AbstractInterpreter]: Visited 250 different actions 988 times. Merged at 6 different actions 21 times. Never widened. Performed 11746 root evaluator evaluations with a maximum evaluation depth of 17. Performed 11746 inverse root evaluator evaluations with a maximum inverse evaluation depth of 17. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 08:26:29,383 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:29,384 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 08:26:29,384 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:26:29,384 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83ab4bd7-2e8d-4bf0-aaf6-860ff5a51d55/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 [2018-11-23 08:26:29,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:26:29,392 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 08:26:29,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:26:29,516 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:26:29,771 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 544 proven. 2 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2018-11-23 08:26:29,772 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:26:30,213 INFO L134 CoverageAnalysis]: Checked inductivity of 713 backedges. 225 proven. 209 refuted. 0 times theorem prover too weak. 279 trivial. 0 not checked. [2018-11-23 08:26:30,230 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 08:26:30,231 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-11-23 08:26:30,231 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 08:26:30,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 08:26:30,232 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 08:26:30,232 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-11-23 08:26:30,232 INFO L87 Difference]: Start difference. First operand 4853 states and 5957 transitions. Second operand 15 states. [2018-11-23 08:26:37,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:26:37,000 INFO L93 Difference]: Finished difference Result 12161 states and 15227 transitions. [2018-11-23 08:26:37,000 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-23 08:26:37,001 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 580 [2018-11-23 08:26:37,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:26:37,012 INFO L225 Difference]: With dead ends: 12161 [2018-11-23 08:26:37,012 INFO L226 Difference]: Without dead ends: 5533 [2018-11-23 08:26:37,033 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1248 GetRequests, 1190 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1017 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=778, Invalid=2762, Unknown=0, NotChecked=0, Total=3540 [2018-11-23 08:26:37,038 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5533 states. [2018-11-23 08:26:37,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5533 to 5285. [2018-11-23 08:26:37,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5285 states. [2018-11-23 08:26:37,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5285 states to 5285 states and 5877 transitions. [2018-11-23 08:26:37,125 INFO L78 Accepts]: Start accepts. Automaton has 5285 states and 5877 transitions. Word has length 580 [2018-11-23 08:26:37,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:26:37,126 INFO L480 AbstractCegarLoop]: Abstraction has 5285 states and 5877 transitions. [2018-11-23 08:26:37,126 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 08:26:37,126 INFO L276 IsEmpty]: Start isEmpty. Operand 5285 states and 5877 transitions. [2018-11-23 08:26:37,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 713 [2018-11-23 08:26:37,136 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:26:37,136 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:26:37,136 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:26:37,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:37,137 INFO L82 PathProgramCache]: Analyzing trace with hash -160274189, now seen corresponding path program 1 times [2018-11-23 08:26:37,137 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:26:37,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:37,138 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:26:37,138 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:26:37,138 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:26:37,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:26:37,572 INFO L134 CoverageAnalysis]: Checked inductivity of 1198 backedges. 178 proven. 679 refuted. 0 times theorem prover too weak. 341 trivial. 0 not checked. [2018-11-23 08:26:37,572 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:26:37,572 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:26:37,572 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 713 with the following transitions: [2018-11-23 08:26:37,573 INFO L202 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], [399], [401], [404], [412], [420], [428], [436], [444], [452], [460], [468], [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], [796], [797], [800], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [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], [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], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 08:26:37,576 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:26:37,576 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:26:37,844 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 08:26:37,844 INFO L272 AbstractInterpreter]: Visited 258 different actions 766 times. Merged at 6 different actions 12 times. Never widened. Performed 8972 root evaluator evaluations with a maximum evaluation depth of 10. Performed 8972 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 08:26:37,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:26:37,846 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 08:26:38,253 INFO L227 lantSequenceWeakener]: Weakened 709 states. On average, predicates are now at 80.2% of their original sizes. [2018-11-23 08:26:38,253 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 08:26:38,298 INFO L415 sIntCurrentIteration]: We unified 711 AI predicates to 711 [2018-11-23 08:26:38,298 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 08:26:38,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:26:38,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-23 08:26:38,299 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:26:38,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:26:38,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:26:38,299 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:26:38,299 INFO L87 Difference]: Start difference. First operand 5285 states and 5877 transitions. Second operand 9 states. [2018-11-23 08:27:46,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:27:46,756 INFO L93 Difference]: Finished difference Result 11092 states and 12440 transitions. [2018-11-23 08:27:46,756 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 08:27:46,756 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 712 [2018-11-23 08:27:46,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:27:46,768 INFO L225 Difference]: With dead ends: 11092 [2018-11-23 08:27:46,768 INFO L226 Difference]: Without dead ends: 6489 [2018-11-23 08:27:46,772 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 718 GetRequests, 704 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-23 08:27:46,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6489 states. [2018-11-23 08:27:46,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6489 to 6467. [2018-11-23 08:27:46,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6467 states. [2018-11-23 08:27:46,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6467 states to 6467 states and 7075 transitions. [2018-11-23 08:27:46,843 INFO L78 Accepts]: Start accepts. Automaton has 6467 states and 7075 transitions. Word has length 712 [2018-11-23 08:27:46,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:27:46,844 INFO L480 AbstractCegarLoop]: Abstraction has 6467 states and 7075 transitions. [2018-11-23 08:27:46,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:27:46,844 INFO L276 IsEmpty]: Start isEmpty. Operand 6467 states and 7075 transitions. [2018-11-23 08:27:46,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 727 [2018-11-23 08:27:46,851 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:27:46,852 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:27:46,852 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:27:46,852 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:27:46,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1637863945, now seen corresponding path program 1 times [2018-11-23 08:27:46,853 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:27:46,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:46,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:27:46,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:46,854 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:27:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:27:47,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1212 backedges. 407 proven. 497 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2018-11-23 08:27:47,635 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:27:47,635 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:27:47,635 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 727 with the following transitions: [2018-11-23 08:27:47,635 INFO L202 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], [399], [401], [404], [412], [420], [428], [436], [444], [452], [460], [468], [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], [796], [797], [800], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [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], [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], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 08:27:47,638 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:27:47,638 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:27:48,078 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 08:27:48,079 INFO L272 AbstractInterpreter]: Visited 259 different actions 1027 times. Merged at 7 different actions 24 times. Never widened. Performed 12323 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12323 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 08:27:48,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:27:48,084 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 08:27:48,085 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:27:48,085 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83ab4bd7-2e8d-4bf0-aaf6-860ff5a51d55/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 [2018-11-23 08:27:48,093 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:27:48,093 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 08:27:48,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:27:48,210 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:27:48,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1212 backedges. 854 proven. 2 refuted. 0 times theorem prover too weak. 356 trivial. 0 not checked. [2018-11-23 08:27:48,405 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:27:48,661 INFO L134 CoverageAnalysis]: Checked inductivity of 1212 backedges. 496 proven. 101 refuted. 0 times theorem prover too weak. 615 trivial. 0 not checked. [2018-11-23 08:27:48,678 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 08:27:48,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-23 08:27:48,678 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 08:27:48,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 08:27:48,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 08:27:48,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2018-11-23 08:27:48,679 INFO L87 Difference]: Start difference. First operand 6467 states and 7075 transitions. Second operand 15 states. [2018-11-23 08:27:54,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:27:54,395 INFO L93 Difference]: Finished difference Result 15283 states and 17037 transitions. [2018-11-23 08:27:54,396 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-11-23 08:27:54,396 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 726 [2018-11-23 08:27:54,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:27:54,418 INFO L225 Difference]: With dead ends: 15283 [2018-11-23 08:27:54,418 INFO L226 Difference]: Without dead ends: 9498 [2018-11-23 08:27:54,427 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1537 GetRequests, 1481 SyntacticMatches, 2 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 918 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=631, Invalid=2449, Unknown=0, NotChecked=0, Total=3080 [2018-11-23 08:27:54,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9498 states. [2018-11-23 08:27:54,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9498 to 8384. [2018-11-23 08:27:54,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8384 states. [2018-11-23 08:27:54,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8384 states to 8384 states and 9105 transitions. [2018-11-23 08:27:54,558 INFO L78 Accepts]: Start accepts. Automaton has 8384 states and 9105 transitions. Word has length 726 [2018-11-23 08:27:54,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:27:54,559 INFO L480 AbstractCegarLoop]: Abstraction has 8384 states and 9105 transitions. [2018-11-23 08:27:54,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 08:27:54,559 INFO L276 IsEmpty]: Start isEmpty. Operand 8384 states and 9105 transitions. [2018-11-23 08:27:54,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 862 [2018-11-23 08:27:54,573 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:27:54,574 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:27:54,574 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:27:54,575 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:27:54,575 INFO L82 PathProgramCache]: Analyzing trace with hash -1872280950, now seen corresponding path program 1 times [2018-11-23 08:27:54,575 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:27:54,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:54,576 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:27:54,576 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:27:54,576 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:27:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:27:55,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1371 backedges. 407 proven. 209 refuted. 0 times theorem prover too weak. 755 trivial. 0 not checked. [2018-11-23 08:27:55,109 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:27:55,109 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:27:55,110 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 862 with the following transitions: [2018-11-23 08:27:55,110 INFO L202 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], [399], [401], [404], [412], [420], [428], [436], [444], [452], [460], [468], [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], [800], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [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], [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], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 08:27:55,113 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:27:55,113 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:27:55,394 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 08:27:55,395 INFO L272 AbstractInterpreter]: Visited 260 different actions 767 times. Merged at 4 different actions 7 times. Never widened. Performed 8941 root evaluator evaluations with a maximum evaluation depth of 9. Performed 8941 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 08:27:55,396 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:27:55,397 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 08:27:55,890 INFO L227 lantSequenceWeakener]: Weakened 858 states. On average, predicates are now at 80.13% of their original sizes. [2018-11-23 08:27:55,890 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 08:27:55,934 INFO L415 sIntCurrentIteration]: We unified 860 AI predicates to 860 [2018-11-23 08:27:55,934 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 08:27:55,935 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 08:27:55,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-23 08:27:55,935 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:27:55,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:27:55,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:27:55,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 08:27:55,936 INFO L87 Difference]: Start difference. First operand 8384 states and 9105 transitions. Second operand 9 states. [2018-11-23 08:29:27,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:29:27,283 INFO L93 Difference]: Finished difference Result 16052 states and 17485 transitions. [2018-11-23 08:29:27,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 08:29:27,283 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 861 [2018-11-23 08:29:27,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:29:27,293 INFO L225 Difference]: With dead ends: 16052 [2018-11-23 08:29:27,293 INFO L226 Difference]: Without dead ends: 8394 [2018-11-23 08:29:27,299 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 867 GetRequests, 853 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-23 08:29:27,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8394 states. [2018-11-23 08:29:27,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8394 to 8384. [2018-11-23 08:29:27,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8384 states. [2018-11-23 08:29:27,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8384 states to 8384 states and 9098 transitions. [2018-11-23 08:29:27,364 INFO L78 Accepts]: Start accepts. Automaton has 8384 states and 9098 transitions. Word has length 861 [2018-11-23 08:29:27,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:29:27,365 INFO L480 AbstractCegarLoop]: Abstraction has 8384 states and 9098 transitions. [2018-11-23 08:29:27,365 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:29:27,365 INFO L276 IsEmpty]: Start isEmpty. Operand 8384 states and 9098 transitions. [2018-11-23 08:29:27,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 957 [2018-11-23 08:29:27,373 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:29:27,374 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, 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:29:27,374 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:29:27,374 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:29:27,374 INFO L82 PathProgramCache]: Analyzing trace with hash -1276016021, now seen corresponding path program 1 times [2018-11-23 08:29:27,374 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:29:27,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:29:27,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:29:27,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:29:27,375 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:29:27,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:29:27,787 INFO L134 CoverageAnalysis]: Checked inductivity of 1963 backedges. 565 proven. 209 refuted. 0 times theorem prover too weak. 1189 trivial. 0 not checked. [2018-11-23 08:29:27,788 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:29:27,788 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:29:27,788 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 957 with the following transitions: [2018-11-23 08:29:27,788 INFO L202 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], [399], [401], [404], [412], [420], [428], [436], [444], [452], [460], [468], [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], [800], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [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], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 08:29:27,790 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:29:27,791 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:29:28,259 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 08:29:28,259 INFO L272 AbstractInterpreter]: Visited 252 different actions 1004 times. Merged at 10 different actions 28 times. Never widened. Performed 11839 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11839 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-23 08:29:28,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:29:28,266 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 08:29:28,266 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:29:28,266 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83ab4bd7-2e8d-4bf0-aaf6-860ff5a51d55/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 [2018-11-23 08:29:28,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:29:28,272 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 08:29:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:29:28,395 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:29:28,703 INFO L134 CoverageAnalysis]: Checked inductivity of 1963 backedges. 1319 proven. 2 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2018-11-23 08:29:28,703 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:29:29,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1963 backedges. 565 proven. 209 refuted. 0 times theorem prover too weak. 1189 trivial. 0 not checked. [2018-11-23 08:29:29,060 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 08:29:29,061 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 08:29:29,061 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 08:29:29,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 08:29:29,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 08:29:29,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-23 08:29:29,062 INFO L87 Difference]: Start difference. First operand 8384 states and 9098 transitions. Second operand 9 states. [2018-11-23 08:29:30,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:29:30,828 INFO L93 Difference]: Finished difference Result 22571 states and 26592 transitions. [2018-11-23 08:29:30,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 08:29:30,829 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 956 [2018-11-23 08:29:30,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:29:30,860 INFO L225 Difference]: With dead ends: 22571 [2018-11-23 08:29:30,860 INFO L226 Difference]: Without dead ends: 14913 [2018-11-23 08:29:30,887 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1933 GetRequests, 1915 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-23 08:29:30,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14913 states. [2018-11-23 08:29:31,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14913 to 14580. [2018-11-23 08:29:31,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14580 states. [2018-11-23 08:29:31,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14580 states to 14580 states and 16507 transitions. [2018-11-23 08:29:31,101 INFO L78 Accepts]: Start accepts. Automaton has 14580 states and 16507 transitions. Word has length 956 [2018-11-23 08:29:31,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:29:31,102 INFO L480 AbstractCegarLoop]: Abstraction has 14580 states and 16507 transitions. [2018-11-23 08:29:31,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 08:29:31,102 INFO L276 IsEmpty]: Start isEmpty. Operand 14580 states and 16507 transitions. [2018-11-23 08:29:31,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1374 [2018-11-23 08:29:31,143 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:29:31,144 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, 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, 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, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:29:31,144 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:29:31,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:29:31,145 INFO L82 PathProgramCache]: Analyzing trace with hash 266897050, now seen corresponding path program 1 times [2018-11-23 08:29:31,145 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:29:31,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:29:31,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:29:31,146 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:29:31,146 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:29:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:29:32,065 INFO L134 CoverageAnalysis]: Checked inductivity of 3367 backedges. 818 proven. 250 refuted. 0 times theorem prover too weak. 2299 trivial. 0 not checked. [2018-11-23 08:29:32,065 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:29:32,065 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:29:32,066 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1374 with the following transitions: [2018-11-23 08:29:32,066 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [311], [313], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [399], [401], [404], [412], [420], [428], [436], [444], [452], [460], [468], [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], [836], [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], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-11-23 08:29:32,069 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:29:32,069 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:29:32,697 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 08:29:32,697 INFO L272 AbstractInterpreter]: Visited 311 different actions 1235 times. Merged at 10 different actions 34 times. Widened at 1 different actions 1 times. Performed 14950 root evaluator evaluations with a maximum evaluation depth of 18. Performed 14950 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-23 08:29:32,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:29:32,700 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 08:29:32,700 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:29:32,700 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83ab4bd7-2e8d-4bf0-aaf6-860ff5a51d55/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 [2018-11-23 08:29:32,707 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:29:32,707 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 08:29:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:29:32,862 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:29:33,402 INFO L134 CoverageAnalysis]: Checked inductivity of 3367 backedges. 1672 proven. 0 refuted. 0 times theorem prover too weak. 1695 trivial. 0 not checked. [2018-11-23 08:29:33,402 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:29:33,878 INFO L134 CoverageAnalysis]: Checked inductivity of 3367 backedges. 689 proven. 88 refuted. 0 times theorem prover too weak. 2590 trivial. 0 not checked. [2018-11-23 08:29:33,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 08:29:33,894 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [7, 3] total 8 [2018-11-23 08:29:33,894 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:29:33,895 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 08:29:33,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 08:29:33,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-23 08:29:33,895 INFO L87 Difference]: Start difference. First operand 14580 states and 16507 transitions. Second operand 3 states. [2018-11-23 08:29:34,563 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:29:34,563 INFO L93 Difference]: Finished difference Result 30795 states and 35792 transitions. [2018-11-23 08:29:34,563 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 08:29:34,563 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1373 [2018-11-23 08:29:34,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:29:34,591 INFO L225 Difference]: With dead ends: 30795 [2018-11-23 08:29:34,591 INFO L226 Difference]: Without dead ends: 14243 [2018-11-23 08:29:34,617 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2755 GetRequests, 2746 SyntacticMatches, 3 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2018-11-23 08:29:34,626 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14243 states. [2018-11-23 08:29:34,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14243 to 14175. [2018-11-23 08:29:34,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14175 states. [2018-11-23 08:29:34,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14175 states to 14175 states and 15767 transitions. [2018-11-23 08:29:34,761 INFO L78 Accepts]: Start accepts. Automaton has 14175 states and 15767 transitions. Word has length 1373 [2018-11-23 08:29:34,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:29:34,763 INFO L480 AbstractCegarLoop]: Abstraction has 14175 states and 15767 transitions. [2018-11-23 08:29:34,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 08:29:34,763 INFO L276 IsEmpty]: Start isEmpty. Operand 14175 states and 15767 transitions. [2018-11-23 08:29:34,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1373 [2018-11-23 08:29:34,781 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:29:34,782 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, 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, 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, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:29:34,782 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:29:34,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:29:34,783 INFO L82 PathProgramCache]: Analyzing trace with hash -1405607425, now seen corresponding path program 1 times [2018-11-23 08:29:34,783 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:29:34,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:29:34,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:29:34,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:29:34,784 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:29:34,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:29:35,596 INFO L134 CoverageAnalysis]: Checked inductivity of 3367 backedges. 818 proven. 250 refuted. 0 times theorem prover too weak. 2299 trivial. 0 not checked. [2018-11-23 08:29:35,596 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:29:35,596 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 08:29:35,596 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1373 with the following transitions: [2018-11-23 08:29:35,597 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [179], [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], [399], [401], [404], [412], [420], [428], [436], [444], [452], [460], [468], [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], [836], [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], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-11-23 08:29:35,600 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 08:29:35,600 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 08:29:36,221 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 08:29:36,221 INFO L272 AbstractInterpreter]: Visited 309 different actions 1227 times. Merged at 10 different actions 32 times. Never widened. Performed 14902 root evaluator evaluations with a maximum evaluation depth of 18. Performed 14902 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-23 08:29:36,230 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:29:36,230 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 08:29:36,230 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 08:29:36,230 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_83ab4bd7-2e8d-4bf0-aaf6-860ff5a51d55/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 [2018-11-23 08:29:36,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:29:36,237 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 08:29:36,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:29:36,393 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:29:36,946 INFO L134 CoverageAnalysis]: Checked inductivity of 3367 backedges. 2198 proven. 2 refuted. 0 times theorem prover too weak. 1167 trivial. 0 not checked. [2018-11-23 08:29:36,946 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 08:29:37,504 INFO L134 CoverageAnalysis]: Checked inductivity of 3367 backedges. 818 proven. 250 refuted. 0 times theorem prover too weak. 2299 trivial. 0 not checked. [2018-11-23 08:29:37,520 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 08:29:37,520 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-23 08:29:37,520 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 08:29:37,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 08:29:37,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 08:29:37,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 08:29:37,522 INFO L87 Difference]: Start difference. First operand 14175 states and 15767 transitions. Second operand 10 states. [2018-11-23 08:29:39,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:29:39,639 INFO L93 Difference]: Finished difference Result 29086 states and 32814 transitions. [2018-11-23 08:29:39,639 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 08:29:39,639 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1372 [2018-11-23 08:29:39,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:29:39,669 INFO L225 Difference]: With dead ends: 29086 [2018-11-23 08:29:39,669 INFO L226 Difference]: Without dead ends: 15637 [2018-11-23 08:29:39,694 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2775 GetRequests, 2751 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-11-23 08:29:39,704 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15637 states. [2018-11-23 08:29:39,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15637 to 15628. [2018-11-23 08:29:39,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15628 states. [2018-11-23 08:29:39,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15628 states to 15628 states and 17338 transitions. [2018-11-23 08:29:39,942 INFO L78 Accepts]: Start accepts. Automaton has 15628 states and 17338 transitions. Word has length 1372 [2018-11-23 08:29:39,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:29:39,943 INFO L480 AbstractCegarLoop]: Abstraction has 15628 states and 17338 transitions. [2018-11-23 08:29:39,943 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 08:29:39,943 INFO L276 IsEmpty]: Start isEmpty. Operand 15628 states and 17338 transitions. [2018-11-23 08:29:39,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1391 [2018-11-23 08:29:39,966 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 08:29:39,966 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, 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 08:29:39,967 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 08:29:39,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:29:39,967 INFO L82 PathProgramCache]: Analyzing trace with hash 72246791, now seen corresponding path program 1 times [2018-11-23 08:29:39,967 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 08:29:39,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:29:39,968 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:29:39,968 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:29:39,968 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 08:29:40,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:29:40,599 INFO L134 CoverageAnalysis]: Checked inductivity of 3729 backedges. 277 proven. 0 refuted. 0 times theorem prover too weak. 3452 trivial. 0 not checked. [2018-11-23 08:29:40,599 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 08:29:40,600 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 08:29:40,600 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 08:29:40,600 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 08:29:40,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 08:29:40,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 08:29:40,601 INFO L87 Difference]: Start difference. First operand 15628 states and 17338 transitions. Second operand 4 states. [2018-11-23 08:29:41,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 08:29:41,561 INFO L93 Difference]: Finished difference Result 30778 states and 34047 transitions. [2018-11-23 08:29:41,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 08:29:41,561 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1390 [2018-11-23 08:29:41,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 08:29:41,563 INFO L225 Difference]: With dead ends: 30778 [2018-11-23 08:29:41,563 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 08:29:41,610 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 [2018-11-23 08:29:41,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 08:29:41,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 08:29:41,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 08:29:41,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 08:29:41,611 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1390 [2018-11-23 08:29:41,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 08:29:41,611 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:29:41,611 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 08:29:41,611 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:29:41,611 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 08:29:41,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 08:29:41,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:29:41,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:29:41,717 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:29:41,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:29:41,783 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 174 [2018-11-23 08:29:42,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:29:42,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:29:42,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 08:29:43,235 WARN L180 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 31 [2018-11-23 08:29:43,838 WARN L180 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 76 [2018-11-23 08:29:44,235 WARN L180 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 77 [2018-11-23 08:29:45,297 WARN L180 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 278 DAG size of output: 94 [2018-11-23 08:29:45,565 WARN L180 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 31 [2018-11-23 08:29:45,566 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:29:45,566 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a15~0 |old(~a15~0)|) (= |old(~a12~0)| ~a12~0)) [2018-11-23 08:29:45,566 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:29:45,566 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,566 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 08:29:45,566 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,567 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,567 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,567 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,567 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,567 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,567 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,567 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,567 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,567 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,567 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,567 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,567 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,567 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,567 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,567 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,567 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,567 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,567 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,567 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,567 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,568 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,568 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,568 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,568 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,568 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,568 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,568 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse4 (not (= 3 |old(~a15~0)|))) (.cse5 (not (= (+ |old(~a18~0)| 87) 0))) (.cse6 (not (= 11 |old(~a16~0)|)))) (let ((.cse0 (= (+ ~a18~0 87) 0)) (.cse3 (< 134 ~a18~0)) (.cse1 (let ((.cse8 (not (= 5 |old(~a12~0)|)))) (and (or (not (= 8 |old(~a16~0)|)) .cse4 .cse8) (or .cse4 .cse8 .cse5 .cse6)))) (.cse2 (<= (+ ~a18~0 156) 0)) (.cse7 (and (= |old(~a16~0)| ~a16~0) (= ~a15~0 |old(~a15~0)|) (= |old(~a12~0)| ~a12~0)))) (and (or (or (= ~a16~0 8) .cse0) .cse1) (or .cse1 (< 0 (+ |old(~a18~0)| 156)) (or .cse2 .cse3)) (or (or .cse4 .cse5 (not (= 6 |old(~a12~0)|))) .cse0 .cse6) (or .cse1 (<= |old(~a18~0)| 134) .cse3) (or (< 3 |old(~a15~0)|) (not (= 8 |old(~a12~0)|)) .cse7) (or .cse7 (< 7 |old(~a12~0)|)) (or .cse1 (<= (+ |old(~a18~0)| 79) 0) (or .cse2 (< 0 (+ ~a18~0 79)))) (or (= 10 |old(~a16~0)|) .cse7)))) [2018-11-23 08:29:45,568 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,568 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,568 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,568 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,568 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,568 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,568 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,569 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 08:29:45,569 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,569 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,569 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,569 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,569 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,569 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,569 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,569 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,569 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-23 08:29:45,569 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,569 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,569 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,569 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,569 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,570 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,570 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,570 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,570 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,570 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,570 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,570 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,570 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,570 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 08:29:45,570 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,570 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 08:29:45,570 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 08:29:45,571 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse5 (not (= 3 |old(~a15~0)|))) (.cse10 (not (= 5 |old(~a12~0)|))) (.cse7 (not (= (+ |old(~a18~0)| 87) 0))) (.cse6 (not (= 11 |old(~a16~0)|)))) (let ((.cse2 (< 0 (+ ~a18~0 79))) (.cse4 (and (= |old(~a16~0)| ~a16~0) (= ~a15~0 |old(~a15~0)|) (= |old(~a12~0)| ~a12~0))) (.cse0 (and (or (not (= 8 |old(~a16~0)|)) .cse5 .cse10) (or .cse5 .cse10 .cse7 .cse6))) (.cse1 (<= (+ ~a18~0 156) 0)) (.cse9 (< 134 ~a18~0)) (.cse11 (not (= calculate_output_~input 0))) (.cse8 (= (+ ~a18~0 87) 0)) (.cse3 (= |calculate_output_#in~input| 0))) (and (or .cse0 (or .cse1 .cse2) (<= (+ |old(~a18~0)| 79) 0) .cse3) (or (not (= 11 ~a16~0)) (not (= calculate_output_~input 3)) (not (= 7 |old(~a12~0)|)) (not (= ~a15~0 3)) .cse2) (or (< 3 |old(~a15~0)|) (not (= 8 |old(~a12~0)|)) .cse4) (or .cse4 (< 7 |old(~a12~0)|)) (or .cse4 (= 10 |old(~a16~0)|)) (or .cse3 (or .cse5 (not (= 6 |old(~a12~0)|)) .cse6) .cse7 .cse8) (or .cse9 .cse0 (<= |old(~a18~0)| 134) .cse3) (or .cse0 (< 0 (+ |old(~a18~0)| 156)) (or .cse1 .cse9) .cse3) (or .cse5 .cse10 (= 0 |old(~a16~0)|) .cse3 .cse11) (or .cse11 (or .cse5 (= 0 |old(~a12~0)|) .cse6 .cse3)) (or .cse8 (or .cse5 .cse10 .cse7 .cse6 .cse3))))) [2018-11-23 08:29:45,571 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,571 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-23 08:29:45,571 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,571 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,571 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,571 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,571 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,571 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,571 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,571 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 08:29:45,571 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 08:29:45,571 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,571 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 08:29:45,571 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,571 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,572 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,572 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,572 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,572 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,572 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,572 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,572 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,572 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,572 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,572 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,572 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,572 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,572 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,572 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 08:29:45,572 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,573 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 08:29:45,573 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 08:29:45,573 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,573 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,573 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,573 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,573 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,573 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,573 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,573 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,573 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,573 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,573 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 08:29:45,573 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 08:29:45,573 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,574 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 08:29:45,574 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,574 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,574 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,574 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,578 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,578 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,578 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,578 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,578 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,578 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,578 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,578 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,578 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 08:29:45,578 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,578 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 08:29:45,578 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 08:29:45,578 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,579 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,580 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse6 (not (= 3 |old(~a15~0)|))) (.cse9 (not (= 5 |old(~a12~0)|))) (.cse8 (not (= (+ |old(~a18~0)| 87) 0))) (.cse7 (not (= 11 |old(~a16~0)|)))) (let ((.cse2 (<= (+ ~a18~0 156) 0)) (.cse4 (< 134 ~a18~0)) (.cse1 (and (or (not (= 8 |old(~a16~0)|)) .cse6 .cse9) (or .cse6 .cse9 .cse8 .cse7))) (.cse0 (and (= |old(~a16~0)| ~a16~0) (= ~a15~0 |old(~a15~0)|) (= |old(~a12~0)| ~a12~0))) (.cse5 (= (+ ~a18~0 87) 0)) (.cse3 (= |calculate_output_#in~input| 0))) (and (or .cse0 (< 3 |old(~a15~0)|) (not (= 8 |old(~a12~0)|))) (or .cse1 (or .cse2 (< 0 (+ ~a18~0 79))) (<= (+ |old(~a18~0)| 79) 0) .cse3) (or .cse1 (<= |old(~a18~0)| 134) .cse4 .cse3) (or (or .cse2 .cse4) .cse1 (< 0 (+ |old(~a18~0)| 156)) .cse3) (or .cse0 (< 7 |old(~a12~0)|)) (or .cse5 .cse3 (or .cse6 (not (= 6 |old(~a12~0)|)) .cse7) .cse8) (or (= 10 |old(~a16~0)|) .cse0) (or .cse5 (or .cse6 .cse9 .cse8 .cse7 .cse3))))) [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,581 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,582 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 08:29:45,583 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 08:29:45,584 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,584 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,584 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,584 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,584 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,584 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,584 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,584 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,584 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,584 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,584 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,584 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,584 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,584 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 08:29:45,585 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 08:29:45,585 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,585 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,585 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,585 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 106) no Hoare annotation was computed. [2018-11-23 08:29:45,585 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,585 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,585 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,585 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,585 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,585 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,585 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,585 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 08:29:45,585 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 08:29:45,586 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,586 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,586 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,586 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,586 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,586 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,586 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,586 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,586 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,586 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,586 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,586 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,586 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,586 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,586 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 08:29:45,587 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 08:29:45,587 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,587 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,587 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,587 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,587 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,587 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,587 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,587 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,587 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,587 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,587 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 08:29:45,587 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 08:29:45,587 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,587 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,587 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,588 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,588 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,588 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,588 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,588 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,588 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,588 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,588 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,588 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,588 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,588 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,588 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,588 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 08:29:45,588 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 08:29:45,588 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,589 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,589 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,589 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,589 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,589 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,589 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,589 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,589 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-23 08:29:45,589 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,589 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,589 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,589 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,589 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 08:29:45,589 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 08:29:45,589 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 08:29:45,589 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,590 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,590 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,590 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,590 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,590 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,590 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,590 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,590 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,590 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,590 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,590 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,590 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,590 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,590 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 08:29:45,590 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 08:29:45,590 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 08:29:45,591 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,591 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,591 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,591 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,591 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,591 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,591 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,591 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,591 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,591 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,591 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,591 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,591 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,591 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,591 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,592 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 08:29:45,592 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 08:29:45,592 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 08:29:45,592 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,592 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,592 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,592 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,592 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,592 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,592 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,592 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,592 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 08:29:45,592 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 08:29:45,592 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 08:29:45,592 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 08:29:45,592 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,593 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,593 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-23 08:29:45,593 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 08:29:45,593 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-11-23 08:29:45,593 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 08:29:45,593 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 08:29:45,593 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)|)) (and (= (+ ~a18~0 87) 0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|))) [2018-11-23 08:29:45,593 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 08:29:45,593 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (<= ~a12~0 7) (not (= 3 |old(~a15~0)|)) (not (= ~a16~0 10)) (not (= 5 |old(~a12~0)|)) (and (= 8 ~a12~0) (<= ~a15~0 3))) [2018-11-23 08:29:45,593 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-23 08:29:45,593 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-23 08:29:45,593 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (<= ~a12~0 7) (not (= 3 |old(~a15~0)|)) (not (= ~a16~0 10)) (not (= 5 |old(~a12~0)|)) (and (= 8 ~a12~0) (<= ~a15~0 3))) [2018-11-23 08:29:45,594 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 08:29:45,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:29:45 BoogieIcfgContainer [2018-11-23 08:29:45,604 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 08:29:45,604 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:29:45,604 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:29:45,604 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:29:45,605 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:22:23" (3/4) ... [2018-11-23 08:29:45,607 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 08:29:45,612 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 08:29:45,612 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-23 08:29:45,612 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 08:29:45,612 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 08:29:45,629 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 08:29:45,631 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 08:29:45,654 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || a12 <= 7) || !(3 == \old(a15))) || !(a16 == 10)) || !(5 == \old(a12))) || (8 == a12 && a15 <= 3) [2018-11-23 08:29:45,785 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_83ab4bd7-2e8d-4bf0-aaf6-860ff5a51d55/bin-2019/utaipan/witness.graphml [2018-11-23 08:29:45,786 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:29:45,786 INFO L168 Benchmark]: Toolchain (without parser) took 445164.82 ms. Allocated memory was 1.0 GB in the beginning and 5.4 GB in the end (delta: 4.4 GB). Free memory was 952.8 MB in the beginning and 4.0 GB in the end (delta: -3.0 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-23 08:29:45,787 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:29:45,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 632.03 ms. Allocated memory is still 1.0 GB. Free memory was 952.8 MB in the beginning and 872.2 MB in the end (delta: 80.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. [2018-11-23 08:29:45,787 INFO L168 Benchmark]: Boogie Procedure Inliner took 153.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 872.2 MB in the beginning and 1.2 GB in the end (delta: -280.2 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:29:45,788 INFO L168 Benchmark]: Boogie Preprocessor took 77.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. [2018-11-23 08:29:45,788 INFO L168 Benchmark]: RCFGBuilder took 1721.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 898.2 MB in the end (delta: 245.3 MB). Peak memory consumption was 245.3 MB. Max. memory is 11.5 GB. [2018-11-23 08:29:45,788 INFO L168 Benchmark]: TraceAbstraction took 442395.06 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 898.2 MB in the beginning and 4.0 GB in the end (delta: -3.1 GB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. [2018-11-23 08:29:45,788 INFO L168 Benchmark]: Witness Printer took 181.68 ms. Allocated memory is still 5.4 GB. Free memory was 4.0 GB in the beginning and 4.0 GB in the end (delta: 4.2 kB). Peak memory consumption was 4.2 kB. Max. memory is 11.5 GB. [2018-11-23 08:29:45,794 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 632.03 ms. Allocated memory is still 1.0 GB. Free memory was 952.8 MB in the beginning and 872.2 MB in the end (delta: 80.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 153.51 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 159.4 MB). Free memory was 872.2 MB in the beginning and 1.2 GB in the end (delta: -280.2 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 77.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1721.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 898.2 MB in the end (delta: 245.3 MB). Peak memory consumption was 245.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 442395.06 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 898.2 MB in the beginning and 4.0 GB in the end (delta: -3.1 GB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. * Witness Printer took 181.68 ms. Allocated memory is still 5.4 GB. Free memory was 4.0 GB in the beginning and 4.0 GB in the end (delta: 4.2 kB). Peak memory consumption was 4.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 106]: 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: (((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || a12 <= 7) || !(3 == \old(a15))) || !(a16 == 10)) || !(5 == \old(a12))) || (8 == a12 && a15 <= 3) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 442.3s OverallTime, 13 OverallIterations, 9 TraceHistogramMax, 419.5s AutomataDifference, 0.0s DeadEndRemovalTime, 3.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2673 SDtfs, 33102 SDslu, 3519 SDs, 0 SdLazy, 43340 SolverSat, 8504 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 389.4s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 12931 GetRequests, 12686 SyntacticMatches, 13 SemanticMatches, 232 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2215 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15628occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.8s AbstIntTime, 10 AbstIntIterations, 5 AbstIntStrong, 0.9977545352733946 AbsIntWeakeningRatio, 0.06768060836501902 AbsIntAvgWeakeningVarsNumRemoved, 15.882889733840305 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.2s AutomataMinimizationTime, 13 MinimizatonAttempts, 1845 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 886 PreInvPairs, 2320 NumberOfFragments, 955 HoareAnnotationTreeSize, 886 FomulaSimplifications, 25508 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 34741 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 14209 NumberOfCodeBlocks, 14209 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 19193 ConstructedInterpolants, 0 QuantifiedInterpolants, 37294057 SizeOfPredicates, 2 NumberOfNonLiveVariables, 6736 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 23 InterpolantComputations, 4 PerfectInterpolantSequences, 35442/39130 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...