./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label40_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label40_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/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 ff1c9a6c430c39da5b14cad9bf3eb91126a91c65 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 13:32:51,576 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 13:32:51,576 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 13:32:51,583 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 13:32:51,583 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 13:32:51,583 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 13:32:51,584 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 13:32:51,585 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 13:32:51,585 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 13:32:51,586 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 13:32:51,586 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 13:32:51,586 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 13:32:51,587 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 13:32:51,587 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 13:32:51,588 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 13:32:51,588 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 13:32:51,588 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 13:32:51,589 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 13:32:51,590 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 13:32:51,591 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 13:32:51,591 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 13:32:51,592 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 13:32:51,593 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 13:32:51,593 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 13:32:51,593 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 13:32:51,593 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 13:32:51,594 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 13:32:51,594 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 13:32:51,595 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 13:32:51,595 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 13:32:51,595 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 13:32:51,596 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 13:32:51,596 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 13:32:51,596 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 13:32:51,596 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 13:32:51,597 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 13:32:51,597 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 13:32:51,604 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 13:32:51,604 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 13:32:51,604 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 13:32:51,604 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 13:32:51,604 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 13:32:51,604 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 13:32:51,605 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 13:32:51,605 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 13:32:51,605 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 13:32:51,605 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 13:32:51,605 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 13:32:51,605 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 13:32:51,605 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 13:32:51,605 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 13:32:51,606 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 13:32:51,606 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 13:32:51,606 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 13:32:51,606 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 13:32:51,606 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 13:32:51,606 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 13:32:51,606 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 13:32:51,606 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 13:32:51,606 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 13:32:51,606 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 13:32:51,606 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 13:32:51,607 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 13:32:51,607 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 13:32:51,607 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 13:32:51,607 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 13:32:51,607 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 13:32:51,607 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 13:32:51,607 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 13:32:51,607 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 13:32:51,607 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 13:32:51,607 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 13:32:51,607 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 13:32:51,608 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_5e849751-c290-4d56-9365-ea82a8874b37/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 -> ff1c9a6c430c39da5b14cad9bf3eb91126a91c65 [2018-12-02 13:32:51,624 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 13:32:51,631 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 13:32:51,633 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 13:32:51,634 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 13:32:51,634 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 13:32:51,634 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label40_true-unreach-call.c [2018-12-02 13:32:51,668 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/data/af3652acb/1d125777f2834df890a24a35ae1eea65/FLAGaf53b10fc [2018-12-02 13:32:52,114 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 13:32:52,114 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/sv-benchmarks/c/eca-rers2012/Problem16_label40_true-unreach-call.c [2018-12-02 13:32:52,124 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/data/af3652acb/1d125777f2834df890a24a35ae1eea65/FLAGaf53b10fc [2018-12-02 13:32:52,133 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/data/af3652acb/1d125777f2834df890a24a35ae1eea65 [2018-12-02 13:32:52,134 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 13:32:52,135 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 13:32:52,136 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 13:32:52,136 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 13:32:52,139 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 13:32:52,139 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:32:52" (1/1) ... [2018-12-02 13:32:52,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a8209d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:52, skipping insertion in model container [2018-12-02 13:32:52,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:32:52" (1/1) ... [2018-12-02 13:32:52,145 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 13:32:52,182 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 13:32:52,479 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:32:52,482 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 13:32:52,675 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 13:32:52,686 INFO L195 MainTranslator]: Completed translation [2018-12-02 13:32:52,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:52 WrapperNode [2018-12-02 13:32:52,686 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 13:32:52,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 13:32:52,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 13:32:52,687 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 13:32:52,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:52" (1/1) ... [2018-12-02 13:32:52,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:52" (1/1) ... [2018-12-02 13:32:52,712 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 13:32:52,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 13:32:52,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 13:32:52,712 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 13:32:52,719 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:52" (1/1) ... [2018-12-02 13:32:52,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:52" (1/1) ... [2018-12-02 13:32:52,724 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:52" (1/1) ... [2018-12-02 13:32:52,724 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:52" (1/1) ... [2018-12-02 13:32:52,750 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:52" (1/1) ... [2018-12-02 13:32:52,759 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:52" (1/1) ... [2018-12-02 13:32:52,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:52" (1/1) ... [2018-12-02 13:32:52,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 13:32:52,775 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 13:32:52,775 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 13:32:52,775 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 13:32:52,775 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:52" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 13:32:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 13:32:52,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 13:32:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-02 13:32:52,808 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-02 13:32:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 13:32:52,808 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 13:32:52,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 13:32:52,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 13:32:52,809 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 13:32:52,809 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 13:32:54,113 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 13:32:54,113 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 13:32:54,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:32:54 BoogieIcfgContainer [2018-12-02 13:32:54,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 13:32:54,114 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 13:32:54,114 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 13:32:54,116 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 13:32:54,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:32:52" (1/3) ... [2018-12-02 13:32:54,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b896b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:32:54, skipping insertion in model container [2018-12-02 13:32:54,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:32:52" (2/3) ... [2018-12-02 13:32:54,117 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b896b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:32:54, skipping insertion in model container [2018-12-02 13:32:54,117 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:32:54" (3/3) ... [2018-12-02 13:32:54,119 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label40_true-unreach-call.c [2018-12-02 13:32:54,125 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 13:32:54,131 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 13:32:54,142 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 13:32:54,169 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 13:32:54,169 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 13:32:54,169 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 13:32:54,169 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 13:32:54,169 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 13:32:54,169 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 13:32:54,169 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 13:32:54,169 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 13:32:54,190 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-02 13:32:54,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2018-12-02 13:32:54,197 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:32:54,198 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:32:54,199 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:32:54,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:32:54,203 INFO L82 PathProgramCache]: Analyzing trace with hash -1393249942, now seen corresponding path program 1 times [2018-12-02 13:32:54,204 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:32:54,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:32:54,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:32:54,233 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:32:54,234 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:32:54,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:32:54,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:32:54,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:32:54,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 13:32:54,409 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:32:54,414 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 13:32:54,425 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 13:32:54,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 13:32:54,428 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-02 13:32:55,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:32:55,497 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-02 13:32:55,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 13:32:55,498 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 69 [2018-12-02 13:32:55,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:32:55,508 INFO L225 Difference]: With dead ends: 1153 [2018-12-02 13:32:55,508 INFO L226 Difference]: Without dead ends: 682 [2018-12-02 13:32:55,512 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 13:32:55,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-02 13:32:55,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-02 13:32:55,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-02 13:32:55,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1190 transitions. [2018-12-02 13:32:55,570 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1190 transitions. Word has length 69 [2018-12-02 13:32:55,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:32:55,570 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1190 transitions. [2018-12-02 13:32:55,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 13:32:55,570 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1190 transitions. [2018-12-02 13:32:55,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-02 13:32:55,575 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:32:55,575 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 13:32:55,575 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:32:55,576 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:32:55,576 INFO L82 PathProgramCache]: Analyzing trace with hash 1266997046, now seen corresponding path program 1 times [2018-12-02 13:32:55,576 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:32:55,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:32:55,577 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:32:55,577 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:32:55,577 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:32:55,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:32:55,717 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 13:32:55,717 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:32:55,718 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 13:32:55,718 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:32:55,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 13:32:55,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 13:32:55,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 13:32:55,720 INFO L87 Difference]: Start difference. First operand 682 states and 1190 transitions. Second operand 6 states. [2018-12-02 13:32:57,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:32:57,257 INFO L93 Difference]: Finished difference Result 1730 states and 3016 transitions. [2018-12-02 13:32:57,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 13:32:57,257 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2018-12-02 13:32:57,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:32:57,261 INFO L225 Difference]: With dead ends: 1730 [2018-12-02 13:32:57,261 INFO L226 Difference]: Without dead ends: 1054 [2018-12-02 13:32:57,263 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 13:32:57,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2018-12-02 13:32:57,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1034. [2018-12-02 13:32:57,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2018-12-02 13:32:57,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1692 transitions. [2018-12-02 13:32:57,287 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1692 transitions. Word has length 161 [2018-12-02 13:32:57,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:32:57,288 INFO L480 AbstractCegarLoop]: Abstraction has 1034 states and 1692 transitions. [2018-12-02 13:32:57,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 13:32:57,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1692 transitions. [2018-12-02 13:32:57,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-12-02 13:32:57,293 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:32:57,293 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:32:57,293 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:32:57,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:32:57,293 INFO L82 PathProgramCache]: Analyzing trace with hash 7693126, now seen corresponding path program 1 times [2018-12-02 13:32:57,294 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:32:57,294 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:32:57,295 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:32:57,295 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:32:57,295 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:32:57,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:32:57,444 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 124 proven. 88 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 13:32:57,444 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:32:57,444 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 13:32:57,445 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 272 with the following transitions: [2018-12-02 13:32:57,446 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [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] [2018-12-02 13:32:57,477 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 13:32:57,477 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 13:32:57,751 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 13:32:57,752 INFO L272 AbstractInterpreter]: Visited 115 different actions 115 times. Never merged. Never widened. Performed 1038 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1038 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-02 13:32:57,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:32:57,762 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 13:32:58,035 INFO L227 lantSequenceWeakener]: Weakened 262 states. On average, predicates are now at 78.16% of their original sizes. [2018-12-02 13:32:58,035 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 13:32:58,059 INFO L418 sIntCurrentIteration]: We unified 270 AI predicates to 270 [2018-12-02 13:32:58,059 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 13:32:58,060 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 13:32:58,060 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-02 13:32:58,060 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:32:58,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 13:32:58,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 13:32:58,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 13:32:58,060 INFO L87 Difference]: Start difference. First operand 1034 states and 1692 transitions. Second operand 6 states. [2018-12-02 13:33:19,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:33:19,970 INFO L93 Difference]: Finished difference Result 2400 states and 3915 transitions. [2018-12-02 13:33:19,970 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 13:33:19,970 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 271 [2018-12-02 13:33:19,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:33:19,975 INFO L225 Difference]: With dead ends: 2400 [2018-12-02 13:33:19,975 INFO L226 Difference]: Without dead ends: 1372 [2018-12-02 13:33:19,976 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 271 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 13:33:19,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1372 states. [2018-12-02 13:33:19,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1372 to 1371. [2018-12-02 13:33:19,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1371 states. [2018-12-02 13:33:20,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1371 states and 2036 transitions. [2018-12-02 13:33:20,001 INFO L78 Accepts]: Start accepts. Automaton has 1371 states and 2036 transitions. Word has length 271 [2018-12-02 13:33:20,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:33:20,002 INFO L480 AbstractCegarLoop]: Abstraction has 1371 states and 2036 transitions. [2018-12-02 13:33:20,002 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 13:33:20,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 2036 transitions. [2018-12-02 13:33:20,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 363 [2018-12-02 13:33:20,008 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:33:20,008 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:33:20,009 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:33:20,009 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:33:20,009 INFO L82 PathProgramCache]: Analyzing trace with hash -137738337, now seen corresponding path program 1 times [2018-12-02 13:33:20,009 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:33:20,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:33:20,010 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:33:20,010 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:33:20,010 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:33:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:33:20,185 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 191 proven. 197 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-02 13:33:20,185 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:33:20,185 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 13:33:20,185 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 363 with the following transitions: [2018-12-02 13:33:20,185 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [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] [2018-12-02 13:33:20,188 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 13:33:20,188 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 13:33:20,341 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 13:33:20,342 INFO L272 AbstractInterpreter]: Visited 120 different actions 346 times. Merged at 4 different actions 7 times. Never widened. Performed 3355 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3355 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 13:33:20,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:33:20,344 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 13:33:20,344 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:33:20,344 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 13:33:20,353 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:33:20,353 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 13:33:20,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:33:20,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:33:20,523 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 395 proven. 2 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-02 13:33:20,523 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 13:33:20,657 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 279 proven. 92 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-02 13:33:20,674 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 13:33:20,674 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 13:33:20,674 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 13:33:20,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 13:33:20,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 13:33:20,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-12-02 13:33:20,675 INFO L87 Difference]: Start difference. First operand 1371 states and 2036 transitions. Second operand 9 states. [2018-12-02 13:33:22,376 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:33:22,376 INFO L93 Difference]: Finished difference Result 3452 states and 5474 transitions. [2018-12-02 13:33:22,377 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 13:33:22,377 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 362 [2018-12-02 13:33:22,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:33:22,384 INFO L225 Difference]: With dead ends: 3452 [2018-12-02 13:33:22,384 INFO L226 Difference]: Without dead ends: 2424 [2018-12-02 13:33:22,386 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 738 GetRequests, 723 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2018-12-02 13:33:22,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2424 states. [2018-12-02 13:33:22,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2424 to 2418. [2018-12-02 13:33:22,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2418 states. [2018-12-02 13:33:22,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2418 states and 3468 transitions. [2018-12-02 13:33:22,423 INFO L78 Accepts]: Start accepts. Automaton has 2418 states and 3468 transitions. Word has length 362 [2018-12-02 13:33:22,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:33:22,423 INFO L480 AbstractCegarLoop]: Abstraction has 2418 states and 3468 transitions. [2018-12-02 13:33:22,423 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 13:33:22,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 3468 transitions. [2018-12-02 13:33:22,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 478 [2018-12-02 13:33:22,429 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:33:22,429 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 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] [2018-12-02 13:33:22,429 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:33:22,429 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:33:22,429 INFO L82 PathProgramCache]: Analyzing trace with hash -2026001578, now seen corresponding path program 1 times [2018-12-02 13:33:22,429 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:33:22,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:33:22,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:33:22,430 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:33:22,430 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:33:22,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:33:22,623 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 345 proven. 200 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-12-02 13:33:22,624 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:33:22,624 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 13:33:22,624 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 478 with the following transitions: [2018-12-02 13:33:22,624 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [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], [837], [841], [845], [849], [853], [856], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 13:33:22,626 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 13:33:22,626 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 13:33:22,741 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 13:33:22,741 INFO L272 AbstractInterpreter]: Visited 126 different actions 364 times. Merged at 4 different actions 7 times. Never widened. Performed 3549 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3549 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 13:33:22,745 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:33:22,745 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 13:33:22,746 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:33:22,746 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 13:33:22,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:33:22,752 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 13:33:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:33:22,822 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:33:22,902 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 595 proven. 2 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2018-12-02 13:33:22,903 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 13:33:23,047 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 345 proven. 200 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-12-02 13:33:23,072 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 13:33:23,073 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-02 13:33:23,073 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 13:33:23,073 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 13:33:23,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 13:33:23,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-02 13:33:23,074 INFO L87 Difference]: Start difference. First operand 2418 states and 3468 transitions. Second operand 9 states. [2018-12-02 13:33:28,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:33:28,184 INFO L93 Difference]: Finished difference Result 8076 states and 12216 transitions. [2018-12-02 13:33:28,185 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-12-02 13:33:28,185 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 477 [2018-12-02 13:33:28,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:33:28,197 INFO L225 Difference]: With dead ends: 8076 [2018-12-02 13:33:28,197 INFO L226 Difference]: Without dead ends: 5266 [2018-12-02 13:33:28,204 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1025 GetRequests, 982 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=430, Invalid=1462, Unknown=0, NotChecked=0, Total=1892 [2018-12-02 13:33:28,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5266 states. [2018-12-02 13:33:28,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5266 to 5232. [2018-12-02 13:33:28,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5232 states. [2018-12-02 13:33:28,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5232 states to 5232 states and 5914 transitions. [2018-12-02 13:33:28,293 INFO L78 Accepts]: Start accepts. Automaton has 5232 states and 5914 transitions. Word has length 477 [2018-12-02 13:33:28,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:33:28,293 INFO L480 AbstractCegarLoop]: Abstraction has 5232 states and 5914 transitions. [2018-12-02 13:33:28,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 13:33:28,294 INFO L276 IsEmpty]: Start isEmpty. Operand 5232 states and 5914 transitions. [2018-12-02 13:33:28,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 749 [2018-12-02 13:33:28,300 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:33:28,301 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:33:28,301 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:33:28,301 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:33:28,301 INFO L82 PathProgramCache]: Analyzing trace with hash 1093006851, now seen corresponding path program 1 times [2018-12-02 13:33:28,301 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:33:28,301 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:33:28,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:33:28,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:33:28,302 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:33:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:33:29,055 INFO L134 CoverageAnalysis]: Checked inductivity of 1023 backedges. 360 proven. 345 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2018-12-02 13:33:29,055 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:33:29,055 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 13:33:29,055 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 749 with the following transitions: [2018-12-02 13:33:29,055 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [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], [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], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 13:33:29,060 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 13:33:29,060 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 13:33:29,282 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 13:33:29,282 INFO L272 AbstractInterpreter]: Visited 249 different actions 492 times. Merged at 4 different actions 4 times. Never widened. Performed 5203 root evaluator evaluations with a maximum evaluation depth of 13. Performed 5203 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 13:33:29,284 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:33:29,284 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 13:33:29,707 INFO L227 lantSequenceWeakener]: Weakened 745 states. On average, predicates are now at 77.62% of their original sizes. [2018-12-02 13:33:29,707 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 13:33:29,759 INFO L418 sIntCurrentIteration]: We unified 747 AI predicates to 747 [2018-12-02 13:33:29,759 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 13:33:29,759 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 13:33:29,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-12-02 13:33:29,760 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:33:29,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 13:33:29,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 13:33:29,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 13:33:29,761 INFO L87 Difference]: Start difference. First operand 5232 states and 5914 transitions. Second operand 10 states. [2018-12-02 13:33:59,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:33:59,906 INFO L93 Difference]: Finished difference Result 10462 states and 11868 transitions. [2018-12-02 13:33:59,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 13:33:59,906 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 748 [2018-12-02 13:33:59,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:33:59,916 INFO L225 Difference]: With dead ends: 10462 [2018-12-02 13:33:59,916 INFO L226 Difference]: Without dead ends: 5573 [2018-12-02 13:33:59,922 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 755 GetRequests, 739 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-02 13:33:59,925 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5573 states. [2018-12-02 13:33:59,979 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5573 to 5571. [2018-12-02 13:33:59,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5571 states. [2018-12-02 13:33:59,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5571 states to 5571 states and 6259 transitions. [2018-12-02 13:33:59,986 INFO L78 Accepts]: Start accepts. Automaton has 5571 states and 6259 transitions. Word has length 748 [2018-12-02 13:33:59,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:33:59,987 INFO L480 AbstractCegarLoop]: Abstraction has 5571 states and 6259 transitions. [2018-12-02 13:33:59,987 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 13:33:59,987 INFO L276 IsEmpty]: Start isEmpty. Operand 5571 states and 6259 transitions. [2018-12-02 13:33:59,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 857 [2018-12-02 13:33:59,995 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:33:59,996 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:33:59,996 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:33:59,996 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:33:59,996 INFO L82 PathProgramCache]: Analyzing trace with hash -573729425, now seen corresponding path program 1 times [2018-12-02 13:33:59,996 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:33:59,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:33:59,997 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:33:59,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:33:59,997 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:34:00,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:34:00,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1485 backedges. 328 proven. 807 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2018-12-02 13:34:00,433 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:34:00,433 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 13:34:00,434 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 857 with the following transitions: [2018-12-02 13:34:00,434 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [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], [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], [1256], [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] [2018-12-02 13:34:00,436 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 13:34:00,437 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 13:34:00,737 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 13:34:00,737 INFO L272 AbstractInterpreter]: Visited 258 different actions 768 times. Merged at 6 different actions 14 times. Never widened. Performed 8998 root evaluator evaluations with a maximum evaluation depth of 13. Performed 8998 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 13:34:00,742 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:34:00,742 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 13:34:01,159 INFO L227 lantSequenceWeakener]: Weakened 853 states. On average, predicates are now at 80.34% of their original sizes. [2018-12-02 13:34:01,159 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 13:34:01,198 INFO L418 sIntCurrentIteration]: We unified 855 AI predicates to 855 [2018-12-02 13:34:01,198 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 13:34:01,198 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 13:34:01,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-02 13:34:01,198 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:34:01,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 13:34:01,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 13:34:01,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 13:34:01,199 INFO L87 Difference]: Start difference. First operand 5571 states and 6259 transitions. Second operand 9 states. [2018-12-02 13:35:10,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:35:10,262 INFO L93 Difference]: Finished difference Result 11177 states and 12653 transitions. [2018-12-02 13:35:10,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-02 13:35:10,262 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 856 [2018-12-02 13:35:10,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:35:10,277 INFO L225 Difference]: With dead ends: 11177 [2018-12-02 13:35:10,278 INFO L226 Difference]: Without dead ends: 6288 [2018-12-02 13:35:10,286 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 862 GetRequests, 848 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-02 13:35:10,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6288 states. [2018-12-02 13:35:10,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6288 to 6264. [2018-12-02 13:35:10,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6264 states. [2018-12-02 13:35:10,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6264 states to 6264 states and 6997 transitions. [2018-12-02 13:35:10,351 INFO L78 Accepts]: Start accepts. Automaton has 6264 states and 6997 transitions. Word has length 856 [2018-12-02 13:35:10,352 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:35:10,352 INFO L480 AbstractCegarLoop]: Abstraction has 6264 states and 6997 transitions. [2018-12-02 13:35:10,352 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 13:35:10,352 INFO L276 IsEmpty]: Start isEmpty. Operand 6264 states and 6997 transitions. [2018-12-02 13:35:10,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 986 [2018-12-02 13:35:10,361 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:35:10,362 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:35:10,362 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:35:10,362 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:35:10,362 INFO L82 PathProgramCache]: Analyzing trace with hash 193525818, now seen corresponding path program 1 times [2018-12-02 13:35:10,363 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:35:10,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:35:10,363 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:35:10,363 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:35:10,363 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:35:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:35:11,299 INFO L134 CoverageAnalysis]: Checked inductivity of 2130 backedges. 627 proven. 734 refuted. 0 times theorem prover too weak. 769 trivial. 0 not checked. [2018-12-02 13:35:11,299 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:35:11,299 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 13:35:11,300 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 986 with the following transitions: [2018-12-02 13:35:11,300 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [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], [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], [1256], [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] [2018-12-02 13:35:11,302 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 13:35:11,302 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 13:35:11,902 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 13:35:11,902 INFO L272 AbstractInterpreter]: Visited 260 different actions 1296 times. Merged at 10 different actions 39 times. Never widened. Performed 15783 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15783 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-02 13:35:11,904 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:35:11,904 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 13:35:11,905 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:35:11,905 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 13:35:11,911 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:35:11,911 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 13:35:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:35:12,036 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:35:12,291 INFO L134 CoverageAnalysis]: Checked inductivity of 2130 backedges. 1569 proven. 2 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2018-12-02 13:35:12,291 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 13:35:12,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2130 backedges. 730 proven. 223 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2018-12-02 13:35:12,650 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 13:35:12,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-12-02 13:35:12,650 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 13:35:12,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-02 13:35:12,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-02 13:35:12,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-12-02 13:35:12,651 INFO L87 Difference]: Start difference. First operand 6264 states and 6997 transitions. Second operand 15 states. [2018-12-02 13:35:17,434 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 42 [2018-12-02 13:35:18,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:35:18,046 INFO L93 Difference]: Finished difference Result 15034 states and 17282 transitions. [2018-12-02 13:35:18,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-12-02 13:35:18,047 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 985 [2018-12-02 13:35:18,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:35:18,068 INFO L225 Difference]: With dead ends: 15034 [2018-12-02 13:35:18,068 INFO L226 Difference]: Without dead ends: 9452 [2018-12-02 13:35:18,078 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2057 GetRequests, 2000 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 922 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=628, Invalid=2564, Unknown=0, NotChecked=0, Total=3192 [2018-12-02 13:35:18,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9452 states. [2018-12-02 13:35:18,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9452 to 9380. [2018-12-02 13:35:18,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9380 states. [2018-12-02 13:35:18,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9380 states to 9380 states and 10508 transitions. [2018-12-02 13:35:18,191 INFO L78 Accepts]: Start accepts. Automaton has 9380 states and 10508 transitions. Word has length 985 [2018-12-02 13:35:18,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:35:18,192 INFO L480 AbstractCegarLoop]: Abstraction has 9380 states and 10508 transitions. [2018-12-02 13:35:18,192 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-02 13:35:18,192 INFO L276 IsEmpty]: Start isEmpty. Operand 9380 states and 10508 transitions. [2018-12-02 13:35:18,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1312 [2018-12-02 13:35:18,204 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:35:18,204 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:35:18,204 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:35:18,204 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:35:18,205 INFO L82 PathProgramCache]: Analyzing trace with hash 143969818, now seen corresponding path program 1 times [2018-12-02 13:35:18,205 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:35:18,205 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:35:18,206 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:35:18,206 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:35:18,206 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:35:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:35:18,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3809 backedges. 965 proven. 336 refuted. 0 times theorem prover too weak. 2508 trivial. 0 not checked. [2018-12-02 13:35:18,883 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:35:18,883 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 13:35:18,884 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1312 with the following transitions: [2018-12-02 13:35:18,884 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [672], [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], [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], [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], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 13:35:18,886 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 13:35:18,886 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 13:35:19,445 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 13:35:19,445 INFO L272 AbstractInterpreter]: Visited 254 different actions 1025 times. Merged at 12 different actions 41 times. Widened at 1 different actions 1 times. Performed 12008 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12008 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-02 13:35:19,446 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:35:19,446 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 13:35:19,446 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:35:19,447 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 13:35:19,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:35:19,453 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 13:35:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:35:19,588 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:35:20,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3809 backedges. 2577 proven. 2 refuted. 0 times theorem prover too weak. 1230 trivial. 0 not checked. [2018-12-02 13:35:20,026 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 13:35:20,551 INFO L134 CoverageAnalysis]: Checked inductivity of 3809 backedges. 965 proven. 336 refuted. 0 times theorem prover too weak. 2508 trivial. 0 not checked. [2018-12-02 13:35:20,566 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 13:35:20,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 13:35:20,566 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 13:35:20,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 13:35:20,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 13:35:20,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 13:35:20,568 INFO L87 Difference]: Start difference. First operand 9380 states and 10508 transitions. Second operand 9 states. [2018-12-02 13:35:21,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:35:21,785 INFO L93 Difference]: Finished difference Result 19811 states and 22534 transitions. [2018-12-02 13:35:21,786 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-02 13:35:21,786 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1311 [2018-12-02 13:35:21,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:35:21,812 INFO L225 Difference]: With dead ends: 19811 [2018-12-02 13:35:21,812 INFO L226 Difference]: Without dead ends: 11450 [2018-12-02 13:35:21,827 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2639 GetRequests, 2623 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-02 13:35:21,838 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11450 states. [2018-12-02 13:35:21,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11450 to 11094. [2018-12-02 13:35:21,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11094 states. [2018-12-02 13:35:21,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11094 states to 11094 states and 12315 transitions. [2018-12-02 13:35:21,951 INFO L78 Accepts]: Start accepts. Automaton has 11094 states and 12315 transitions. Word has length 1311 [2018-12-02 13:35:21,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:35:21,952 INFO L480 AbstractCegarLoop]: Abstraction has 11094 states and 12315 transitions. [2018-12-02 13:35:21,952 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 13:35:21,952 INFO L276 IsEmpty]: Start isEmpty. Operand 11094 states and 12315 transitions. [2018-12-02 13:35:21,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1313 [2018-12-02 13:35:21,963 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:35:21,964 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:35:21,964 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:35:21,964 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:35:21,964 INFO L82 PathProgramCache]: Analyzing trace with hash 1901389047, now seen corresponding path program 1 times [2018-12-02 13:35:21,964 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:35:21,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:35:21,965 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:35:21,965 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:35:21,965 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:35:22,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:35:22,664 INFO L134 CoverageAnalysis]: Checked inductivity of 3816 backedges. 1144 proven. 250 refuted. 0 times theorem prover too weak. 2422 trivial. 0 not checked. [2018-12-02 13:35:22,664 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:35:22,664 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 13:35:22,664 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1313 with the following transitions: [2018-12-02 13:35:22,664 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [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], [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], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 13:35:22,666 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 13:35:22,666 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 13:35:23,206 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 13:35:23,206 INFO L272 AbstractInterpreter]: Visited 254 different actions 1025 times. Merged at 12 different actions 41 times. Widened at 1 different actions 1 times. Performed 11989 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11989 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-02 13:35:23,207 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:35:23,207 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 13:35:23,207 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:35:23,208 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 13:35:23,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:35:23,213 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 13:35:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:35:23,344 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:35:23,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3816 backedges. 2484 proven. 2 refuted. 0 times theorem prover too weak. 1330 trivial. 0 not checked. [2018-12-02 13:35:23,770 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 13:35:24,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3816 backedges. 1144 proven. 250 refuted. 0 times theorem prover too weak. 2422 trivial. 0 not checked. [2018-12-02 13:35:24,315 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 13:35:24,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 13:35:24,316 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 13:35:24,316 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 13:35:24,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 13:35:24,316 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 13:35:24,317 INFO L87 Difference]: Start difference. First operand 11094 states and 12315 transitions. Second operand 9 states. [2018-12-02 13:35:26,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:35:26,352 INFO L93 Difference]: Finished difference Result 22345 states and 25506 transitions. [2018-12-02 13:35:26,353 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-02 13:35:26,353 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1312 [2018-12-02 13:35:26,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:35:26,375 INFO L225 Difference]: With dead ends: 22345 [2018-12-02 13:35:26,375 INFO L226 Difference]: Without dead ends: 12270 [2018-12-02 13:35:26,390 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2652 GetRequests, 2630 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-12-02 13:35:26,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12270 states. [2018-12-02 13:35:26,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12270 to 12137. [2018-12-02 13:35:26,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12137 states. [2018-12-02 13:35:26,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12137 states to 12137 states and 13298 transitions. [2018-12-02 13:35:26,510 INFO L78 Accepts]: Start accepts. Automaton has 12137 states and 13298 transitions. Word has length 1312 [2018-12-02 13:35:26,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:35:26,511 INFO L480 AbstractCegarLoop]: Abstraction has 12137 states and 13298 transitions. [2018-12-02 13:35:26,511 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 13:35:26,511 INFO L276 IsEmpty]: Start isEmpty. Operand 12137 states and 13298 transitions. [2018-12-02 13:35:26,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1341 [2018-12-02 13:35:26,524 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:35:26,524 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:35:26,524 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:35:26,524 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:35:26,524 INFO L82 PathProgramCache]: Analyzing trace with hash 1652301247, now seen corresponding path program 1 times [2018-12-02 13:35:26,525 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:35:26,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:35:26,525 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:35:26,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:35:26,525 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:35:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:35:27,818 INFO L134 CoverageAnalysis]: Checked inductivity of 3937 backedges. 2275 proven. 382 refuted. 0 times theorem prover too weak. 1280 trivial. 0 not checked. [2018-12-02 13:35:27,819 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:35:27,819 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 13:35:27,819 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1341 with the following transitions: [2018-12-02 13:35:27,819 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [672], [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], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 13:35:27,821 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 13:35:27,821 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 13:35:28,350 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 13:35:28,351 INFO L272 AbstractInterpreter]: Visited 254 different actions 1019 times. Merged at 11 different actions 35 times. Never widened. Performed 11973 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11973 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-02 13:35:28,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:35:28,353 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 13:35:28,353 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:35:28,353 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 13:35:28,359 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:35:28,359 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 13:35:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:35:28,504 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:35:28,965 INFO L134 CoverageAnalysis]: Checked inductivity of 3937 backedges. 517 proven. 0 refuted. 0 times theorem prover too weak. 3420 trivial. 0 not checked. [2018-12-02 13:35:28,965 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 13:35:29,393 INFO L134 CoverageAnalysis]: Checked inductivity of 3937 backedges. 517 proven. 0 refuted. 0 times theorem prover too weak. 3420 trivial. 0 not checked. [2018-12-02 13:35:29,408 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 13:35:29,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-02 13:35:29,409 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:35:29,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 13:35:29,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 13:35:29,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-12-02 13:35:29,410 INFO L87 Difference]: Start difference. First operand 12137 states and 13298 transitions. Second operand 3 states. [2018-12-02 13:35:29,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:35:29,997 INFO L93 Difference]: Finished difference Result 23594 states and 25905 transitions. [2018-12-02 13:35:29,997 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 13:35:29,998 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1340 [2018-12-02 13:35:29,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:35:30,014 INFO L225 Difference]: With dead ends: 23594 [2018-12-02 13:35:30,014 INFO L226 Difference]: Without dead ends: 12137 [2018-12-02 13:35:30,025 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2691 GetRequests, 2682 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2018-12-02 13:35:30,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12137 states. [2018-12-02 13:35:30,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12137 to 12135. [2018-12-02 13:35:30,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12135 states. [2018-12-02 13:35:30,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12135 states to 12135 states and 13135 transitions. [2018-12-02 13:35:30,133 INFO L78 Accepts]: Start accepts. Automaton has 12135 states and 13135 transitions. Word has length 1340 [2018-12-02 13:35:30,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:35:30,134 INFO L480 AbstractCegarLoop]: Abstraction has 12135 states and 13135 transitions. [2018-12-02 13:35:30,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 13:35:30,134 INFO L276 IsEmpty]: Start isEmpty. Operand 12135 states and 13135 transitions. [2018-12-02 13:35:30,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1658 [2018-12-02 13:35:30,153 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:35:30,154 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:35:30,154 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:35:30,154 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:35:30,154 INFO L82 PathProgramCache]: Analyzing trace with hash -1864661142, now seen corresponding path program 1 times [2018-12-02 13:35:30,154 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:35:30,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:35:30,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:35:30,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:35:30,155 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:35:30,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:35:33,322 INFO L134 CoverageAnalysis]: Checked inductivity of 5309 backedges. 1432 proven. 507 refuted. 0 times theorem prover too weak. 3370 trivial. 0 not checked. [2018-12-02 13:35:33,322 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:35:33,322 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 13:35:33,322 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1658 with the following transitions: [2018-12-02 13:35:33,323 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [672], [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], [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], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 13:35:33,325 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 13:35:33,325 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 13:35:34,016 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 13:35:34,016 INFO L272 AbstractInterpreter]: Visited 289 different actions 1163 times. Merged at 11 different actions 39 times. Widened at 1 different actions 1 times. Performed 13985 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13985 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-02 13:35:34,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:35:34,018 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 13:35:34,018 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:35:34,019 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 13:35:34,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:35:34,024 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 13:35:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:35:34,186 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:35:35,164 INFO L134 CoverageAnalysis]: Checked inductivity of 5309 backedges. 3607 proven. 2 refuted. 0 times theorem prover too weak. 1700 trivial. 0 not checked. [2018-12-02 13:35:35,164 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 13:35:37,264 INFO L134 CoverageAnalysis]: Checked inductivity of 5309 backedges. 1432 proven. 507 refuted. 0 times theorem prover too weak. 3370 trivial. 0 not checked. [2018-12-02 13:35:37,280 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 13:35:37,281 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-12-02 13:35:37,281 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 13:35:37,281 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-02 13:35:37,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-02 13:35:37,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2018-12-02 13:35:37,282 INFO L87 Difference]: Start difference. First operand 12135 states and 13135 transitions. Second operand 14 states. [2018-12-02 13:35:42,018 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2018-12-02 13:35:42,429 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:35:42,429 INFO L93 Difference]: Finished difference Result 24696 states and 27066 transitions. [2018-12-02 13:35:42,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2018-12-02 13:35:42,429 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 1657 [2018-12-02 13:35:42,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:35:42,453 INFO L225 Difference]: With dead ends: 24696 [2018-12-02 13:35:42,453 INFO L226 Difference]: Without dead ends: 13580 [2018-12-02 13:35:42,467 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3396 GetRequests, 3341 SyntacticMatches, 5 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 689 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=585, Invalid=2067, Unknown=0, NotChecked=0, Total=2652 [2018-12-02 13:35:42,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13580 states. [2018-12-02 13:35:42,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13580 to 13519. [2018-12-02 13:35:42,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13519 states. [2018-12-02 13:35:42,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13519 states to 13519 states and 14660 transitions. [2018-12-02 13:35:42,609 INFO L78 Accepts]: Start accepts. Automaton has 13519 states and 14660 transitions. Word has length 1657 [2018-12-02 13:35:42,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:35:42,610 INFO L480 AbstractCegarLoop]: Abstraction has 13519 states and 14660 transitions. [2018-12-02 13:35:42,610 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-02 13:35:42,610 INFO L276 IsEmpty]: Start isEmpty. Operand 13519 states and 14660 transitions. [2018-12-02 13:35:42,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1677 [2018-12-02 13:35:42,630 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:35:42,630 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:35:42,630 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:35:42,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:35:42,631 INFO L82 PathProgramCache]: Analyzing trace with hash 1186619182, now seen corresponding path program 1 times [2018-12-02 13:35:42,631 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:35:42,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:35:42,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:35:42,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:35:42,631 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:35:42,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:35:44,481 INFO L134 CoverageAnalysis]: Checked inductivity of 5270 backedges. 3076 proven. 585 refuted. 0 times theorem prover too weak. 1609 trivial. 0 not checked. [2018-12-02 13:35:44,481 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:35:44,481 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 13:35:44,482 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1677 with the following transitions: [2018-12-02 13:35:44,482 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [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], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [672], [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], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [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] [2018-12-02 13:35:44,484 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 13:35:44,484 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 13:35:45,155 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 13:35:45,155 INFO L272 AbstractInterpreter]: Visited 352 different actions 1410 times. Merged at 12 different actions 43 times. Widened at 1 different actions 1 times. Performed 17359 root evaluator evaluations with a maximum evaluation depth of 18. Performed 17359 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-02 13:35:45,157 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:35:45,157 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 13:35:45,157 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:35:45,157 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 13:35:45,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:35:45,164 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 13:35:45,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:35:45,332 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:35:45,959 INFO L134 CoverageAnalysis]: Checked inductivity of 5270 backedges. 582 proven. 0 refuted. 0 times theorem prover too weak. 4688 trivial. 0 not checked. [2018-12-02 13:35:45,959 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 13:35:46,625 INFO L134 CoverageAnalysis]: Checked inductivity of 5270 backedges. 582 proven. 0 refuted. 0 times theorem prover too weak. 4688 trivial. 0 not checked. [2018-12-02 13:35:46,650 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 13:35:46,651 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-02 13:35:46,651 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:35:46,651 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 13:35:46,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 13:35:46,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-02 13:35:46,652 INFO L87 Difference]: Start difference. First operand 13519 states and 14660 transitions. Second operand 3 states. [2018-12-02 13:35:47,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:35:47,258 INFO L93 Difference]: Finished difference Result 25674 states and 27938 transitions. [2018-12-02 13:35:47,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 13:35:47,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1676 [2018-12-02 13:35:47,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:35:47,277 INFO L225 Difference]: With dead ends: 25674 [2018-12-02 13:35:47,277 INFO L226 Difference]: Without dead ends: 13174 [2018-12-02 13:35:47,289 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3367 GetRequests, 3358 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-02 13:35:47,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13174 states. [2018-12-02 13:35:47,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13174 to 13168. [2018-12-02 13:35:47,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13168 states. [2018-12-02 13:35:47,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13168 states to 13168 states and 13998 transitions. [2018-12-02 13:35:47,417 INFO L78 Accepts]: Start accepts. Automaton has 13168 states and 13998 transitions. Word has length 1676 [2018-12-02 13:35:47,418 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:35:47,418 INFO L480 AbstractCegarLoop]: Abstraction has 13168 states and 13998 transitions. [2018-12-02 13:35:47,418 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 13:35:47,418 INFO L276 IsEmpty]: Start isEmpty. Operand 13168 states and 13998 transitions. [2018-12-02 13:35:47,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1818 [2018-12-02 13:35:47,438 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:35:47,439 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:35:47,439 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:35:47,439 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:35:47,439 INFO L82 PathProgramCache]: Analyzing trace with hash -584662594, now seen corresponding path program 1 times [2018-12-02 13:35:47,439 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:35:47,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:35:47,440 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:35:47,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:35:47,440 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:35:47,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:35:50,219 INFO L134 CoverageAnalysis]: Checked inductivity of 6543 backedges. 2938 proven. 1187 refuted. 0 times theorem prover too weak. 2418 trivial. 0 not checked. [2018-12-02 13:35:50,220 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:35:50,220 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 13:35:50,220 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1818 with the following transitions: [2018-12-02 13:35:50,220 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1148], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 13:35:50,222 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 13:35:50,222 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 13:35:50,922 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 13:35:50,922 INFO L272 AbstractInterpreter]: Visited 290 different actions 1168 times. Merged at 12 different actions 40 times. Widened at 1 different actions 1 times. Performed 14024 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14024 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-02 13:35:50,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:35:50,925 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 13:35:50,925 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:35:50,925 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 13:35:50,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:35:50,931 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 13:35:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:35:51,108 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:35:51,899 INFO L134 CoverageAnalysis]: Checked inductivity of 6543 backedges. 3581 proven. 2 refuted. 0 times theorem prover too weak. 2960 trivial. 0 not checked. [2018-12-02 13:35:51,899 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 13:35:53,215 INFO L134 CoverageAnalysis]: Checked inductivity of 6543 backedges. 1910 proven. 255 refuted. 0 times theorem prover too weak. 4378 trivial. 0 not checked. [2018-12-02 13:35:53,231 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 13:35:53,232 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 19 [2018-12-02 13:35:53,232 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 13:35:53,233 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-02 13:35:53,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-02 13:35:53,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2018-12-02 13:35:53,233 INFO L87 Difference]: Start difference. First operand 13168 states and 13998 transitions. Second operand 18 states. [2018-12-02 13:35:57,996 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 33 [2018-12-02 13:35:58,208 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2018-12-02 13:36:00,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:36:00,607 INFO L93 Difference]: Finished difference Result 25391 states and 27189 transitions. [2018-12-02 13:36:00,608 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-12-02 13:36:00,608 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1817 [2018-12-02 13:36:00,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:36:00,624 INFO L225 Difference]: With dead ends: 25391 [2018-12-02 13:36:00,624 INFO L226 Difference]: Without dead ends: 13242 [2018-12-02 13:36:00,634 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3748 GetRequests, 3671 SyntacticMatches, 4 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1723 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=1017, Invalid=4533, Unknown=0, NotChecked=0, Total=5550 [2018-12-02 13:36:00,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13242 states. [2018-12-02 13:36:00,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13242 to 13166. [2018-12-02 13:36:00,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13166 states. [2018-12-02 13:36:00,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13166 states to 13166 states and 13918 transitions. [2018-12-02 13:36:00,761 INFO L78 Accepts]: Start accepts. Automaton has 13166 states and 13918 transitions. Word has length 1817 [2018-12-02 13:36:00,762 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:36:00,762 INFO L480 AbstractCegarLoop]: Abstraction has 13166 states and 13918 transitions. [2018-12-02 13:36:00,762 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-02 13:36:00,762 INFO L276 IsEmpty]: Start isEmpty. Operand 13166 states and 13918 transitions. [2018-12-02 13:36:00,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1850 [2018-12-02 13:36:00,782 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:36:00,783 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 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, 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] [2018-12-02 13:36:00,783 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:36:00,783 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:36:00,783 INFO L82 PathProgramCache]: Analyzing trace with hash 793998594, now seen corresponding path program 1 times [2018-12-02 13:36:00,783 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:36:00,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:36:00,784 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:36:00,784 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:36:00,784 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:36:00,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:36:04,295 INFO L134 CoverageAnalysis]: Checked inductivity of 7545 backedges. 3495 proven. 1613 refuted. 0 times theorem prover too weak. 2437 trivial. 0 not checked. [2018-12-02 13:36:04,295 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:36:04,295 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 13:36:04,295 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1850 with the following transitions: [2018-12-02 13:36:04,295 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [639], [641], [644], [652], [660], [668], [672], [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], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [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], [1404], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-02 13:36:04,297 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 13:36:04,298 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 13:36:04,854 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 13:36:04,854 INFO L272 AbstractInterpreter]: Visited 270 different actions 1084 times. Merged at 12 different actions 36 times. Never widened. Performed 12850 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12850 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 17 fixpoints after 9 different actions. Largest state had 24 variables. [2018-12-02 13:36:04,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:36:04,856 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 13:36:04,856 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 13:36:04,856 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 13:36:04,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:36:04,862 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 13:36:05,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:36:05,055 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 13:36:06,024 INFO L134 CoverageAnalysis]: Checked inductivity of 7545 backedges. 5304 proven. 6 refuted. 0 times theorem prover too weak. 2235 trivial. 0 not checked. [2018-12-02 13:36:06,024 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 13:36:07,714 INFO L134 CoverageAnalysis]: Checked inductivity of 7545 backedges. 1919 proven. 1030 refuted. 0 times theorem prover too weak. 4596 trivial. 0 not checked. [2018-12-02 13:36:07,731 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 13:36:07,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 8, 8] total 29 [2018-12-02 13:36:07,731 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 13:36:07,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-12-02 13:36:07,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-12-02 13:36:07,732 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=700, Unknown=0, NotChecked=0, Total=812 [2018-12-02 13:36:07,732 INFO L87 Difference]: Start difference. First operand 13166 states and 13918 transitions. Second operand 24 states. [2018-12-02 13:36:12,664 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 42 [2018-12-02 13:36:13,222 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 41 [2018-12-02 13:36:13,805 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 35 [2018-12-02 13:36:14,730 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2018-12-02 13:36:14,977 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2018-12-02 13:36:17,139 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2018-12-02 13:36:17,606 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 38 [2018-12-02 13:36:18,776 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 33 [2018-12-02 13:36:22,769 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 24 [2018-12-02 13:36:24,872 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 24 [2018-12-02 13:36:25,751 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2018-12-02 13:36:31,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:36:31,522 INFO L93 Difference]: Finished difference Result 26482 states and 28261 transitions. [2018-12-02 13:36:31,523 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-12-02 13:36:31,523 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1849 [2018-12-02 13:36:31,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:36:31,544 INFO L225 Difference]: With dead ends: 26482 [2018-12-02 13:36:31,544 INFO L226 Difference]: Without dead ends: 14335 [2018-12-02 13:36:31,560 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3893 GetRequests, 3767 SyntacticMatches, 3 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5148 ImplicationChecksByTransitivity, 6.4s TimeCoverageRelationStatistics Valid=2350, Invalid=13150, Unknown=0, NotChecked=0, Total=15500 [2018-12-02 13:36:31,572 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14335 states. [2018-12-02 13:36:31,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14335 to 14190. [2018-12-02 13:36:31,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14190 states. [2018-12-02 13:36:31,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14190 states to 14190 states and 14915 transitions. [2018-12-02 13:36:31,718 INFO L78 Accepts]: Start accepts. Automaton has 14190 states and 14915 transitions. Word has length 1849 [2018-12-02 13:36:31,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:36:31,719 INFO L480 AbstractCegarLoop]: Abstraction has 14190 states and 14915 transitions. [2018-12-02 13:36:31,719 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-12-02 13:36:31,719 INFO L276 IsEmpty]: Start isEmpty. Operand 14190 states and 14915 transitions. [2018-12-02 13:36:31,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1889 [2018-12-02 13:36:31,739 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 13:36:31,739 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 13:36:31,739 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 13:36:31,739 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 13:36:31,740 INFO L82 PathProgramCache]: Analyzing trace with hash 1870495031, now seen corresponding path program 1 times [2018-12-02 13:36:31,740 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 13:36:31,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:36:31,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 13:36:31,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 13:36:31,740 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 13:36:31,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 13:36:32,806 INFO L134 CoverageAnalysis]: Checked inductivity of 7314 backedges. 712 proven. 0 refuted. 0 times theorem prover too weak. 6602 trivial. 0 not checked. [2018-12-02 13:36:32,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 13:36:32,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 13:36:32,806 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 13:36:32,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 13:36:32,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 13:36:32,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 13:36:32,807 INFO L87 Difference]: Start difference. First operand 14190 states and 14915 transitions. Second operand 4 states. [2018-12-02 13:36:33,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 13:36:33,912 INFO L93 Difference]: Finished difference Result 40682 states and 43157 transitions. [2018-12-02 13:36:33,912 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 13:36:33,913 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1888 [2018-12-02 13:36:33,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 13:36:33,914 INFO L225 Difference]: With dead ends: 40682 [2018-12-02 13:36:33,914 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 13:36:33,940 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 13:36:33,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 13:36:33,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 13:36:33,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 13:36:33,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 13:36:33,941 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1888 [2018-12-02 13:36:33,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 13:36:33,941 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 13:36:33,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 13:36:33,942 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 13:36:33,942 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 13:36:33,945 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 13:36:33,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:36:34,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:36:34,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:36:34,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:36:34,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:36:34,116 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:36:34,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:36:34,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:36:34,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:36:34,866 WARN L180 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 519 DAG size of output: 477 [2018-12-02 13:36:35,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:36:35,299 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:36:35,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:36:35,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:36:35,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:36:35,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:36:35,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:36:35,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:36:35,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 13:36:36,233 WARN L180 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 546 DAG size of output: 502 [2018-12-02 13:36:38,901 WARN L180 SmtUtils]: Spent 2.65 s on a formula simplification. DAG size of input: 479 DAG size of output: 70 [2018-12-02 13:36:39,968 WARN L180 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 296 DAG size of output: 100 [2018-12-02 13:36:41,143 WARN L180 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 299 DAG size of output: 102 [2018-12-02 13:36:44,550 WARN L180 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 341 DAG size of output: 128 [2018-12-02 13:36:48,429 WARN L180 SmtUtils]: Spent 3.85 s on a formula simplification. DAG size of input: 505 DAG size of output: 70 [2018-12-02 13:36:48,431 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 13:36:48,431 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (<= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-02 13:36:48,431 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 13:36:48,431 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,431 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-02 13:36:48,431 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,431 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,431 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,431 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,431 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,431 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,431 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,431 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,431 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,431 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,432 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,432 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,432 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,432 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,432 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,432 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,432 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,432 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,432 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,432 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,432 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,432 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,432 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,432 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,432 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,432 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,432 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,432 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse7 (<= ~a18~0 |old(~a18~0)|)) (.cse8 (= |old(~a15~0)| ~a15~0)) (.cse9 (= ~a16~0 |old(~a16~0)|)) (.cse10 (= |old(~a12~0)| ~a12~0)) (.cse14 (= 9 |old(~a16~0)|)) (.cse6 (< 3 |old(~a15~0)|)) (.cse2 (not (= 8 |old(~a12~0)|)))) (let ((.cse12 (< 6 |old(~a12~0)|)) (.cse18 (not (= 8 |old(~a16~0)|))) (.cse5 (< |old(~a12~0)| 7)) (.cse15 (or .cse6 .cse2)) (.cse1 (< 0 (+ ~a18~0 79))) (.cse3 (<= (+ |old(~a18~0)| 79) 0)) (.cse4 (not .cse14)) (.cse19 (<= 7 ~a18~0)) (.cse20 (< |old(~a18~0)| 7)) (.cse21 (not (= 7 |old(~a12~0)|))) (.cse0 (not (= 4 |old(~a15~0)|))) (.cse16 (< 5 |old(~a12~0)|)) (.cse25 (= (+ ~a18~0 87) 0)) (.cse22 (not (= 3 |old(~a15~0)|))) (.cse23 (not (= (+ |old(~a18~0)| 87) 0))) (.cse24 (not (= 11 |old(~a16~0)|))) (.cse17 (not (= 6 |old(~a12~0)|))) (.cse11 (= 10 |old(~a16~0)|)) (.cse13 (and .cse7 .cse8 .cse9 .cse10))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (and .cse7 .cse8 .cse1 .cse9 .cse10) .cse3 .cse11) (or .cse12 .cse13 .cse6 .cse14 (< |old(~a12~0)| 6)) (or .cse15 (and (and (= 8 ~a12~0) (= |old(~a16~0)| ~a16~0)) .cse7 .cse8)) (or .cse6 .cse13 .cse16 .cse11) (or .cse0 .cse3 .cse17 .cse1 .cse4) (or .cse6 .cse14 .cse3 .cse11 .cse1) (or .cse0 .cse1 .cse18 .cse3 .cse17) (or .cse0 .cse17 .cse13) (or .cse0 .cse11 .cse13) (or .cse0 .cse19 .cse20 .cse21 .cse4) (or .cse0 .cse18 .cse20 .cse19) (or .cse12 .cse6 .cse14 .cse20 .cse19) (or .cse5 .cse6 .cse20 .cse11 .cse19) (or .cse19 .cse0 .cse12 .cse14 .cse20) (or .cse0 .cse18 .cse5 .cse3 .cse1) (or .cse15 .cse20 .cse19) (or .cse0 .cse1 .cse21 .cse3 .cse4) (or .cse19 .cse6 .cse20 .cse16) (or .cse6 .cse13 .cse20 .cse16) (or .cse22 (not (= 5 |old(~a12~0)|)) .cse23 .cse24 .cse25) (or .cse13 .cse6 .cse21 .cse11) (or .cse0 .cse16 .cse13) (or .cse25 (or .cse22 .cse23 .cse24) .cse17) (or .cse6 .cse14 .cse11 .cse13)))) [2018-12-02 13:36:48,432 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,432 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,433 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,434 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,434 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,434 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-02 13:36:48,434 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,434 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-02 13:36:48,434 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-02 13:36:48,434 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse12 (< 3 |old(~a15~0)|)) (.cse2 (not (= 8 |old(~a12~0)|))) (.cse13 (= 9 |old(~a16~0)|)) (.cse17 (<= ~a18~0 |old(~a18~0)|)) (.cse18 (= |old(~a15~0)| ~a15~0)) (.cse19 (= ~a16~0 |old(~a16~0)|)) (.cse20 (= |old(~a12~0)| ~a12~0))) (let ((.cse14 (< |old(~a12~0)| 6)) (.cse10 (not (= (+ |old(~a18~0)| 87) 0))) (.cse9 (= (+ ~a18~0 87) 0)) (.cse29 (<= ~a18~0 134)) (.cse15 (and .cse17 .cse18 .cse19 .cse20)) (.cse11 (< 6 |old(~a12~0)|)) (.cse24 (< 5 |old(~a12~0)|)) (.cse4 (not .cse13)) (.cse30 (not (= 6 |old(~a12~0)|))) (.cse26 (or .cse12 .cse2)) (.cse23 (<= 7 ~a18~0)) (.cse0 (not (= 4 |old(~a15~0)|))) (.cse27 (not (= 8 |old(~a16~0)|))) (.cse16 (< |old(~a12~0)| 7)) (.cse3 (<= (+ |old(~a18~0)| 79) 0)) (.cse5 (not (= 3 |old(~a15~0)|))) (.cse22 (< |old(~a18~0)| 7)) (.cse6 (not (= 11 |old(~a16~0)|))) (.cse7 (= |calculate_output_#in~input| 0)) (.cse8 (not (= calculate_output_~input 0))) (.cse28 (not (= calculate_output_~input 3))) (.cse25 (not (= 7 |old(~a12~0)|))) (.cse1 (< 0 (+ ~a18~0 79))) (.cse21 (= 10 |old(~a16~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 (not (= 5 |old(~a12~0)|)) .cse6 .cse7 (and .cse8 .cse9) .cse10) (or .cse11 .cse12 .cse13 .cse14 .cse15) (or .cse16 .cse12 (and .cse17 .cse18 .cse1 .cse19 .cse20) .cse3 .cse21) (or .cse0 .cse11 .cse13 .cse22 .cse23) (or .cse5 .cse14 .cse8 .cse6 .cse7) (or .cse12 .cse24 .cse21 .cse15) (or .cse0 .cse25 .cse3 .cse1 .cse4) (or (and (= |old(~a16~0)| ~a16~0) .cse17 .cse18 .cse20) .cse26) (or .cse12 .cse13 .cse3 .cse21 .cse1) (or .cse0 .cse27 (or .cse28 .cse29) .cse30) (or .cse0 .cse21 .cse15) (or .cse0 .cse23 .cse22 .cse25 .cse4) (or .cse0 .cse27 .cse22 .cse23) (or .cse7 (or .cse5 .cse6) .cse10 .cse30 .cse9) (or .cse12 .cse25 .cse15 .cse21) (or .cse0 .cse30 (and (or (< 134 ~a18~0) (not (= calculate_output_~input 1))) (or (not (= calculate_output_~input 6)) .cse29)) .cse4) (or .cse15 .cse0 .cse11) (or .cse11 .cse12 .cse13 .cse22 .cse23) (or .cse16 .cse12 .cse22 .cse21 .cse23) (or .cse12 .cse22 .cse24 (and .cse17 .cse18 .cse19 .cse23 .cse20)) (or .cse0 .cse1 .cse3 .cse30 .cse4) (or .cse0 .cse27 .cse1 .cse3 .cse30) (or .cse26 .cse23 .cse22) (or .cse0 .cse27 .cse16 .cse1 .cse3) (or .cse5 .cse22 .cse6 .cse7 (= 0 |old(~a12~0)|) .cse8) (or .cse12 .cse13 (and (or (not (= 11 ~a16~0)) .cse28 .cse25 (not (= ~a15~0 3)) .cse1) .cse17 .cse18 .cse19 .cse20) .cse21)))) [2018-12-02 13:36:48,434 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,434 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-02 13:36:48,434 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,434 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,434 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,434 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,434 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,434 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,434 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,434 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-02 13:36:48,434 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-02 13:36:48,434 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,434 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,435 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-02 13:36:48,436 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,437 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,438 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,439 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,439 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,439 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,439 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,439 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse13 (<= ~a18~0 |old(~a18~0)|)) (.cse14 (= |old(~a15~0)| ~a15~0)) (.cse15 (= ~a16~0 |old(~a16~0)|)) (.cse16 (= |old(~a12~0)| ~a12~0)) (.cse20 (= 9 |old(~a16~0)|)) (.cse12 (< 3 |old(~a15~0)|)) (.cse2 (not (= 8 |old(~a12~0)|)))) (let ((.cse10 (not (= 6 |old(~a12~0)|))) (.cse18 (< 6 |old(~a12~0)|)) (.cse23 (not (= 8 |old(~a16~0)|))) (.cse11 (< |old(~a12~0)| 7)) (.cse21 (or .cse12 .cse2)) (.cse1 (< 0 (+ ~a18~0 79))) (.cse3 (<= (+ |old(~a18~0)| 79) 0)) (.cse4 (not .cse20)) (.cse24 (<= 7 ~a18~0)) (.cse25 (< |old(~a18~0)| 7)) (.cse26 (not (= 7 |old(~a12~0)|))) (.cse0 (not (= 4 |old(~a15~0)|))) (.cse22 (< 5 |old(~a12~0)|)) (.cse7 (not (= 3 |old(~a15~0)|))) (.cse5 (= (+ ~a18~0 87) 0)) (.cse8 (not (= 11 |old(~a16~0)|))) (.cse6 (= |calculate_output_#in~input| 0)) (.cse9 (not (= (+ |old(~a18~0)| 87) 0))) (.cse17 (= 10 |old(~a16~0)|)) (.cse19 (and .cse13 .cse14 .cse15 .cse16))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (or .cse7 .cse8) .cse9 .cse10) (or .cse11 .cse12 (and .cse13 .cse14 .cse1 .cse15 .cse16) .cse3 .cse17) (or .cse18 .cse19 .cse12 .cse20 (< |old(~a12~0)| 6)) (or .cse21 (and (and (= 8 ~a12~0) (= |old(~a16~0)| ~a16~0)) .cse13 .cse14)) (or .cse12 .cse19 .cse22 .cse17) (or .cse0 .cse3 .cse10 .cse1 .cse4) (or .cse12 .cse20 .cse3 .cse17 .cse1) (or .cse0 .cse1 .cse23 .cse3 .cse10) (or .cse0 .cse10 .cse19) (or .cse0 .cse17 .cse19) (or .cse0 .cse24 .cse25 .cse26 .cse4) (or .cse0 .cse23 .cse25 .cse24) (or .cse18 .cse12 .cse20 .cse25 .cse24) (or .cse11 .cse12 .cse25 .cse17 .cse24) (or .cse24 .cse0 .cse18 .cse20 .cse25) (or .cse0 .cse23 .cse11 .cse3 .cse1) (or .cse21 .cse25 .cse24) (or .cse0 .cse1 .cse26 .cse3 .cse4) (or .cse24 .cse12 .cse25 .cse22) (or .cse12 .cse19 .cse25 .cse22) (or .cse19 .cse12 .cse26 .cse17) (or .cse0 .cse22 .cse19) (or .cse7 (not (= 5 |old(~a12~0)|)) .cse5 .cse8 .cse6 .cse9) (or .cse12 .cse20 .cse17 .cse19)))) [2018-12-02 13:36:48,439 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,439 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,439 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,439 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,439 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,439 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,439 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,439 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,439 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,439 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-02 13:36:48,439 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-02 13:36:48,439 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-02 13:36:48,439 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,439 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,439 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-02 13:36:48,440 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,441 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,442 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 196) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,443 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,444 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,445 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,446 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-02 13:36:48,447 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 13:36:48,447 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)) [2018-12-02 13:36:48,447 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 13:36:48,448 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 13:36:48,448 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|)) (and (= (+ ~a18~0 87) 0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0))) [2018-12-02 13:36:48,448 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-02 13:36:48,448 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse8 (= 4 ~a15~0)) (.cse5 (or (= |old(~a16~0)| 12) (not (= 12 ~a16~0)))) (.cse7 (<= ~a12~0 5)) (.cse0 (<= 7 ~a12~0)) (.cse1 (not (= ~a16~0 10))) (.cse2 (not (= ~a16~0 9))) (.cse4 (<= ~a12~0 6)) (.cse6 (<= 6 ~a12~0)) (.cse9 (< 0 (+ ~a18~0 79))) (.cse3 (<= ~a15~0 3))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse4 (and .cse2 .cse5 .cse3) .cse6) (and .cse1 .cse7 .cse3) (and .cse8 .cse4 (and .cse2 .cse5)) (and .cse1 .cse8 .cse5 .cse6) (and .cse3 .cse7 (<= 7 ~a18~0)) (not (= 5 |old(~a12~0)|)) (and .cse8 (and .cse5 .cse7) (or (= ~a12~0 |old(~a12~0)|) (<= ~a18~0 134))) (and .cse0 .cse1 .cse3 .cse9) (and .cse1 (= 7 ~a12~0) .cse3) (and (and (and .cse2 .cse3) .cse4 .cse6) .cse9) (and (= 8 ~a12~0) .cse3))) [2018-12-02 13:36:48,448 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-02 13:36:48,448 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-02 13:36:48,448 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse8 (= 4 ~a15~0)) (.cse5 (or (= |old(~a16~0)| 12) (not (= 12 ~a16~0)))) (.cse7 (<= ~a12~0 5)) (.cse0 (<= 7 ~a12~0)) (.cse1 (not (= ~a16~0 10))) (.cse2 (not (= ~a16~0 9))) (.cse4 (<= ~a12~0 6)) (.cse6 (<= 6 ~a12~0)) (.cse9 (< 0 (+ ~a18~0 79))) (.cse3 (<= ~a15~0 3))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse4 (and .cse2 .cse5 .cse3) .cse6) (and .cse1 .cse7 .cse3) (and .cse8 .cse4 (and .cse2 .cse5)) (and .cse1 .cse8 .cse5 .cse6) (and .cse3 .cse7 (<= 7 ~a18~0)) (not (= 5 |old(~a12~0)|)) (and .cse8 (and .cse5 .cse7) (or (= ~a12~0 |old(~a12~0)|) (<= ~a18~0 134))) (and .cse0 .cse1 .cse3 .cse9) (and .cse1 (= 7 ~a12~0) .cse3) (and (and (and .cse2 .cse3) .cse4 .cse6) .cse9) (and (= 8 ~a12~0) .cse3))) [2018-12-02 13:36:48,448 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-02 13:36:48,455 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:36:48 BoogieIcfgContainer [2018-12-02 13:36:48,455 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 13:36:48,456 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 13:36:48,456 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 13:36:48,456 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 13:36:48,456 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:32:54" (3/4) ... [2018-12-02 13:36:48,459 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 13:36:48,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 13:36:48,462 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-02 13:36:48,463 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 13:36:48,463 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 13:36:48,475 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 13:36:48,476 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 13:36:48,495 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((7 <= a12 && !(a16 == 10)) && !(a16 == 9)) && a15 <= 3) || !(11 == \old(a16))) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || ((a12 <= 6 && (!(a16 == 9) && (\old(a16) == 12 || !(12 == a16))) && a15 <= 3) && 6 <= a12)) || ((!(a16 == 10) && a12 <= 5) && a15 <= 3)) || ((4 == a15 && a12 <= 6) && !(a16 == 9) && (\old(a16) == 12 || !(12 == a16)))) || (((!(a16 == 10) && 4 == a15) && (\old(a16) == 12 || !(12 == a16))) && 6 <= a12)) || ((a15 <= 3 && a12 <= 5) && 7 <= a18)) || !(5 == \old(a12))) || ((4 == a15 && (\old(a16) == 12 || !(12 == a16)) && a12 <= 5) && (a12 == \old(a12) || a18 <= 134))) || (((7 <= a12 && !(a16 == 10)) && a15 <= 3) && 0 < a18 + 79)) || ((!(a16 == 10) && 7 == a12) && a15 <= 3)) || ((((!(a16 == 9) && a15 <= 3) && a12 <= 6) && 6 <= a12) && 0 < a18 + 79)) || (8 == a12 && a15 <= 3) [2018-12-02 13:36:48,578 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5e849751-c290-4d56-9365-ea82a8874b37/bin-2019/utaipan/witness.graphml [2018-12-02 13:36:48,578 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 13:36:48,579 INFO L168 Benchmark]: Toolchain (without parser) took 236443.82 ms. Allocated memory was 1.0 GB in the beginning and 4.6 GB in the end (delta: 3.6 GB). Free memory was 942.6 MB in the beginning and 3.2 GB in the end (delta: -2.3 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-02 13:36:48,579 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 13:36:48,579 INFO L168 Benchmark]: CACSL2BoogieTranslator took 550.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. [2018-12-02 13:36:48,579 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. [2018-12-02 13:36:48,579 INFO L168 Benchmark]: Boogie Preprocessor took 62.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-02 13:36:48,579 INFO L168 Benchmark]: RCFGBuilder took 1338.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 234.7 MB. Max. memory is 11.5 GB. [2018-12-02 13:36:48,580 INFO L168 Benchmark]: TraceAbstraction took 234341.64 ms. Allocated memory was 1.2 GB in the beginning and 4.6 GB in the end (delta: 3.5 GB). Free memory was 1.1 GB in the beginning and 3.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. [2018-12-02 13:36:48,580 INFO L168 Benchmark]: Witness Printer took 122.31 ms. Allocated memory is still 4.6 GB. Free memory was 3.3 GB in the beginning and 3.2 GB in the end (delta: 74.2 MB). Peak memory consumption was 74.2 MB. Max. memory is 11.5 GB. [2018-12-02 13:36:48,581 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 550.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 942.6 MB in the beginning and 1.1 GB in the end (delta: -148.9 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.8 MB). Peak memory consumption was 3.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1338.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.2 MB). Peak memory consumption was 234.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 234341.64 ms. Allocated memory was 1.2 GB in the beginning and 4.6 GB in the end (delta: 3.5 GB). Free memory was 1.1 GB in the beginning and 3.3 GB in the end (delta: -2.2 GB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. * Witness Printer took 122.31 ms. Allocated memory is still 4.6 GB. Free memory was 3.3 GB in the beginning and 3.2 GB in the end (delta: 74.2 MB). Peak memory consumption was 74.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 196]: 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: ((((((((((((((((7 <= a12 && !(a16 == 10)) && !(a16 == 9)) && a15 <= 3) || !(11 == \old(a16))) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || ((a12 <= 6 && (!(a16 == 9) && (\old(a16) == 12 || !(12 == a16))) && a15 <= 3) && 6 <= a12)) || ((!(a16 == 10) && a12 <= 5) && a15 <= 3)) || ((4 == a15 && a12 <= 6) && !(a16 == 9) && (\old(a16) == 12 || !(12 == a16)))) || (((!(a16 == 10) && 4 == a15) && (\old(a16) == 12 || !(12 == a16))) && 6 <= a12)) || ((a15 <= 3 && a12 <= 5) && 7 <= a18)) || !(5 == \old(a12))) || ((4 == a15 && (\old(a16) == 12 || !(12 == a16)) && a12 <= 5) && (a12 == \old(a12) || a18 <= 134))) || (((7 <= a12 && !(a16 == 10)) && a15 <= 3) && 0 < a18 + 79)) || ((!(a16 == 10) && 7 == a12) && a15 <= 3)) || ((((!(a16 == 9) && a15 <= 3) && a12 <= 6) && 6 <= a12) && 0 < a18 + 79)) || (8 == a12 && a15 <= 3) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 234.2s OverallTime, 16 OverallIterations, 12 TraceHistogramMax, 178.2s AutomataDifference, 0.0s DeadEndRemovalTime, 14.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2352 SDtfs, 33832 SDslu, 2706 SDs, 0 SdLazy, 70790 SolverSat, 7906 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 149.9s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 28114 GetRequests, 27637 SyntacticMatches, 29 SemanticMatches, 448 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9212 ImplicationChecksByTransitivity, 12.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14190occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.0s AbstIntTime, 13 AbstIntIterations, 3 AbstIntStrong, 0.9981437655064667 AbsIntWeakeningRatio, 0.057692307692307696 AbsIntAvgWeakeningVarsNumRemoved, 16.211004273504273 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.3s AutomataMinimizationTime, 16 MinimizatonAttempts, 938 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1895 PreInvPairs, 2339 NumberOfFragments, 2266 HoareAnnotationTreeSize, 1895 FomulaSimplifications, 121214 FormulaSimplificationTreeSizeReduction, 2.2s HoareSimplificationTime, 9 FomulaSimplificationsInter, 153807 FormulaSimplificationTreeSizeReductionInter, 12.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 16.4s InterpolantComputationTime, 29565 NumberOfCodeBlocks, 29565 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 42315 ConstructedInterpolants, 0 QuantifiedInterpolants, 188956355 SizeOfPredicates, 10 NumberOfNonLiveVariables, 16856 ConjunctsInSsa, 50 ConjunctsInUnsatCore, 36 InterpolantComputations, 7 PerfectInterpolantSequences, 118858/129002 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...