./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label53_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label53_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/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 e0ac1fa423e9e02c6d8ce0ab648943b01e42bafe ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:14:02,127 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:14:02,129 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:14:02,135 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:14:02,135 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:14:02,135 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:14:02,136 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:14:02,137 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:14:02,138 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:14:02,139 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:14:02,139 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:14:02,139 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:14:02,140 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:14:02,141 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:14:02,141 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:14:02,142 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:14:02,143 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:14:02,144 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:14:02,145 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:14:02,146 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:14:02,147 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:14:02,147 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:14:02,149 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:14:02,149 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:14:02,150 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:14:02,151 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:14:02,152 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:14:02,152 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:14:02,153 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:14:02,153 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:14:02,153 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:14:02,154 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:14:02,154 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:14:02,154 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:14:02,155 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:14:02,155 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:14:02,155 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:14:02,164 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:14:02,164 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:14:02,164 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:14:02,165 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:14:02,165 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:14:02,165 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:14:02,165 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:14:02,165 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:14:02,165 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:14:02,165 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:14:02,166 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:14:02,166 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:14:02,166 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:14:02,166 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:14:02,166 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:14:02,167 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:14:02,167 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:14:02,167 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:14:02,167 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:14:02,167 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:14:02,167 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:14:02,167 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:14:02,167 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:14:02,168 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:14:02,168 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:14:02,168 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:14:02,168 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:14:02,168 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:14:02,168 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:14:02,168 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:14:02,169 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:14:02,169 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:14:02,169 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:14:02,169 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:14:02,169 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:14:02,169 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:14:02,169 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:14:02,169 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_ca331c0b-e807-4e65-996a-8d43fa5a036b/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 -> e0ac1fa423e9e02c6d8ce0ab648943b01e42bafe [2018-11-18 13:14:02,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:14:02,201 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:14:02,204 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:14:02,205 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:14:02,205 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:14:02,206 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label53_true-unreach-call.c [2018-11-18 13:14:02,244 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/bin-2019/utaipan/data/d4771021f/fbc8b8f52988447e90a334e489d14adf/FLAG0475443a8 [2018-11-18 13:14:02,721 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:14:02,721 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/sv-benchmarks/c/eca-rers2012/Problem16_label53_true-unreach-call.c [2018-11-18 13:14:02,734 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/bin-2019/utaipan/data/d4771021f/fbc8b8f52988447e90a334e489d14adf/FLAG0475443a8 [2018-11-18 13:14:02,749 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/bin-2019/utaipan/data/d4771021f/fbc8b8f52988447e90a334e489d14adf [2018-11-18 13:14:02,751 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:14:02,752 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:14:02,753 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:14:02,753 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:14:02,756 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:14:02,756 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:14:02" (1/1) ... [2018-11-18 13:14:02,758 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@415b4b46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:02, skipping insertion in model container [2018-11-18 13:14:02,759 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:14:02" (1/1) ... [2018-11-18 13:14:02,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:14:02,819 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:14:03,201 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:14:03,203 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:14:03,392 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:14:03,405 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:14:03,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:03 WrapperNode [2018-11-18 13:14:03,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:14:03,406 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:14:03,406 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:14:03,406 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:14:03,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:03" (1/1) ... [2018-11-18 13:14:03,505 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:03" (1/1) ... [2018-11-18 13:14:03,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:14:03,513 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:14:03,513 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:14:03,513 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:14:03,520 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:03" (1/1) ... [2018-11-18 13:14:03,520 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:03" (1/1) ... [2018-11-18 13:14:03,528 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:03" (1/1) ... [2018-11-18 13:14:03,528 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:03" (1/1) ... [2018-11-18 13:14:03,557 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:03" (1/1) ... [2018-11-18 13:14:03,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:03" (1/1) ... [2018-11-18 13:14:03,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:03" (1/1) ... [2018-11-18 13:14:03,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:14:03,587 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:14:03,587 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:14:03,587 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:14:03,588 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:03" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:14:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:14:03,636 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:14:03,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:14:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-18 13:14:03,637 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-18 13:14:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 13:14:03,637 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 13:14:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:14:03,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:14:03,637 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:14:03,638 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:14:04,923 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:14:04,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:14:04 BoogieIcfgContainer [2018-11-18 13:14:04,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:14:04,924 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:14:04,924 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:14:04,926 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:14:04,926 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:14:02" (1/3) ... [2018-11-18 13:14:04,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46933d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:14:04, skipping insertion in model container [2018-11-18 13:14:04,927 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:14:03" (2/3) ... [2018-11-18 13:14:04,927 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46933d66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:14:04, skipping insertion in model container [2018-11-18 13:14:04,928 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:14:04" (3/3) ... [2018-11-18 13:14:04,929 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label53_true-unreach-call.c [2018-11-18 13:14:04,935 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:14:04,959 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:14:04,969 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:14:04,991 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:14:04,991 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:14:04,991 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:14:04,991 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:14:04,991 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:14:04,992 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:14:04,992 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:14:04,992 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:14:05,013 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-18 13:14:05,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-11-18 13:14:05,019 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:14:05,020 INFO L375 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] [2018-11-18 13:14:05,021 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:14:05,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:14:05,025 INFO L82 PathProgramCache]: Analyzing trace with hash -1710890852, now seen corresponding path program 1 times [2018-11-18 13:14:05,026 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:14:05,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:05,056 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:14:05,056 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:05,057 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:14:05,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:05,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:14:05,214 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:14:05,214 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:14:05,214 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:14:05,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:14:05,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:14:05,226 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:14:05,227 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-11-18 13:14:06,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:14:06,356 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-11-18 13:14:06,356 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:14:06,357 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 44 [2018-11-18 13:14:06,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:14:06,368 INFO L225 Difference]: With dead ends: 1156 [2018-11-18 13:14:06,368 INFO L226 Difference]: Without dead ends: 744 [2018-11-18 13:14:06,372 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:14:06,385 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-11-18 13:14:06,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-11-18 13:14:06,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-18 13:14:06,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1355 transitions. [2018-11-18 13:14:06,440 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1355 transitions. Word has length 44 [2018-11-18 13:14:06,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:14:06,441 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1355 transitions. [2018-11-18 13:14:06,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:14:06,441 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1355 transitions. [2018-11-18 13:14:06,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 13:14:06,444 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:14:06,445 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:14:06,445 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:14:06,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:14:06,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1470767914, now seen corresponding path program 1 times [2018-11-18 13:14:06,445 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:14:06,446 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:06,447 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:14:06,447 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:06,447 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:14:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:06,577 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:14:06,577 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:14:06,577 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 13:14:06,577 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:14:06,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 13:14:06,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 13:14:06,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 13:14:06,579 INFO L87 Difference]: Start difference. First operand 744 states and 1355 transitions. Second operand 5 states. [2018-11-18 13:14:08,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:14:08,118 INFO L93 Difference]: Finished difference Result 2194 states and 4083 transitions. [2018-11-18 13:14:08,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:14:08,118 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 114 [2018-11-18 13:14:08,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:14:08,124 INFO L225 Difference]: With dead ends: 2194 [2018-11-18 13:14:08,124 INFO L226 Difference]: Without dead ends: 1456 [2018-11-18 13:14:08,125 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 13:14:08,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1456 states. [2018-11-18 13:14:08,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1456 to 1436. [2018-11-18 13:14:08,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1436 states. [2018-11-18 13:14:08,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1436 states and 2550 transitions. [2018-11-18 13:14:08,160 INFO L78 Accepts]: Start accepts. Automaton has 1436 states and 2550 transitions. Word has length 114 [2018-11-18 13:14:08,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:14:08,160 INFO L480 AbstractCegarLoop]: Abstraction has 1436 states and 2550 transitions. [2018-11-18 13:14:08,161 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 13:14:08,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 2550 transitions. [2018-11-18 13:14:08,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 13:14:08,164 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:14:08,164 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:14:08,164 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:14:08,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:14:08,164 INFO L82 PathProgramCache]: Analyzing trace with hash -183601941, now seen corresponding path program 1 times [2018-11-18 13:14:08,165 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:14:08,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:08,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:14:08,166 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:08,166 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:14:08,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:08,297 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:14:08,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:14:08,298 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:14:08,298 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:14:08,298 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:14:08,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:14:08,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:14:08,299 INFO L87 Difference]: Start difference. First operand 1436 states and 2550 transitions. Second operand 6 states. [2018-11-18 13:14:10,141 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:14:10,142 INFO L93 Difference]: Finished difference Result 3936 states and 7024 transitions. [2018-11-18 13:14:10,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:14:10,143 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-11-18 13:14:10,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:14:10,155 INFO L225 Difference]: With dead ends: 3936 [2018-11-18 13:14:10,156 INFO L226 Difference]: Without dead ends: 2506 [2018-11-18 13:14:10,162 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:14:10,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2506 states. [2018-11-18 13:14:10,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2506 to 2479. [2018-11-18 13:14:10,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2479 states. [2018-11-18 13:14:10,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2479 states to 2479 states and 3996 transitions. [2018-11-18 13:14:10,224 INFO L78 Accepts]: Start accepts. Automaton has 2479 states and 3996 transitions. Word has length 143 [2018-11-18 13:14:10,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:14:10,225 INFO L480 AbstractCegarLoop]: Abstraction has 2479 states and 3996 transitions. [2018-11-18 13:14:10,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:14:10,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 3996 transitions. [2018-11-18 13:14:10,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 13:14:10,227 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:14:10,228 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:14:10,228 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:14:10,228 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:14:10,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1245396135, now seen corresponding path program 1 times [2018-11-18 13:14:10,228 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:14:10,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:10,229 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:14:10,229 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:10,230 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:14:10,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:10,363 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:14:10,364 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:14:10,364 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:14:10,364 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:14:10,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:14:10,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:14:10,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:14:10,365 INFO L87 Difference]: Start difference. First operand 2479 states and 3996 transitions. Second operand 6 states. [2018-11-18 13:14:11,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:14:11,429 INFO L93 Difference]: Finished difference Result 6050 states and 9896 transitions. [2018-11-18 13:14:11,429 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:14:11,429 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2018-11-18 13:14:11,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:14:11,443 INFO L225 Difference]: With dead ends: 6050 [2018-11-18 13:14:11,443 INFO L226 Difference]: Without dead ends: 3577 [2018-11-18 13:14:11,451 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:14:11,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3577 states. [2018-11-18 13:14:11,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3577 to 3545. [2018-11-18 13:14:11,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3545 states. [2018-11-18 13:14:11,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3545 states to 3545 states and 4965 transitions. [2018-11-18 13:14:11,519 INFO L78 Accepts]: Start accepts. Automaton has 3545 states and 4965 transitions. Word has length 161 [2018-11-18 13:14:11,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:14:11,520 INFO L480 AbstractCegarLoop]: Abstraction has 3545 states and 4965 transitions. [2018-11-18 13:14:11,520 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:14:11,520 INFO L276 IsEmpty]: Start isEmpty. Operand 3545 states and 4965 transitions. [2018-11-18 13:14:11,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-11-18 13:14:11,523 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:14:11,523 INFO L375 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:14:11,523 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:14:11,523 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:14:11,523 INFO L82 PathProgramCache]: Analyzing trace with hash -282881664, now seen corresponding path program 1 times [2018-11-18 13:14:11,524 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:14:11,524 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:11,524 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:14:11,525 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:14:11,525 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:14:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:14:11,630 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 104 proven. 35 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:14:11,630 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:14:11,630 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:14:11,631 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 245 with the following transitions: [2018-11-18 13:14:11,632 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [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], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:14:11,663 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:14:11,663 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:14:11,975 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:14:11,976 INFO L272 AbstractInterpreter]: Visited 135 different actions 135 times. Never merged. Never widened. Performed 1259 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1259 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 13:14:11,990 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:14:11,990 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:14:12,240 INFO L227 lantSequenceWeakener]: Weakened 235 states. On average, predicates are now at 77.81% of their original sizes. [2018-11-18 13:14:12,240 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:14:12,270 INFO L415 sIntCurrentIteration]: We unified 243 AI predicates to 243 [2018-11-18 13:14:12,270 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:14:12,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:14:12,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-11-18 13:14:12,271 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:14:12,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:14:12,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:14:12,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:14:12,272 INFO L87 Difference]: Start difference. First operand 3545 states and 4965 transitions. Second operand 6 states. [2018-11-18 13:15:08,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:15:08,680 INFO L93 Difference]: Finished difference Result 7424 states and 10344 transitions. [2018-11-18 13:15:08,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 13:15:08,681 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 244 [2018-11-18 13:15:08,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:15:08,689 INFO L225 Difference]: With dead ends: 7424 [2018-11-18 13:15:08,689 INFO L226 Difference]: Without dead ends: 3885 [2018-11-18 13:15:08,742 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 244 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:15:08,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3885 states. [2018-11-18 13:15:08,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3885 to 3883. [2018-11-18 13:15:08,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3883 states. [2018-11-18 13:15:08,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3883 states to 3883 states and 5311 transitions. [2018-11-18 13:15:08,811 INFO L78 Accepts]: Start accepts. Automaton has 3883 states and 5311 transitions. Word has length 244 [2018-11-18 13:15:08,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:15:08,812 INFO L480 AbstractCegarLoop]: Abstraction has 3883 states and 5311 transitions. [2018-11-18 13:15:08,812 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:15:08,812 INFO L276 IsEmpty]: Start isEmpty. Operand 3883 states and 5311 transitions. [2018-11-18 13:15:08,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-11-18 13:15:08,817 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:15:08,817 INFO L375 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:15:08,817 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:15:08,818 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:15:08,818 INFO L82 PathProgramCache]: Analyzing trace with hash 220813762, now seen corresponding path program 1 times [2018-11-18 13:15:08,818 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:15:08,818 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:15:08,819 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:15:08,819 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:15:08,819 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:15:08,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:15:09,058 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 183 proven. 115 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-11-18 13:15:09,058 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:15:09,058 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:15:09,059 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 337 with the following transitions: [2018-11-18 13:15:09,059 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:15:09,064 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:15:09,064 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:15:09,342 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:15:09,342 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Performed 4096 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4096 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 13:15:09,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:15:09,351 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:15:09,669 INFO L227 lantSequenceWeakener]: Weakened 333 states. On average, predicates are now at 80.39% of their original sizes. [2018-11-18 13:15:09,669 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:15:09,743 INFO L415 sIntCurrentIteration]: We unified 335 AI predicates to 335 [2018-11-18 13:15:09,743 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:15:09,743 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:15:09,744 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-18 13:15:09,744 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:15:09,744 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:15:09,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:15:09,745 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:15:09,745 INFO L87 Difference]: Start difference. First operand 3883 states and 5311 transitions. Second operand 10 states. [2018-11-18 13:16:28,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:16:28,818 INFO L93 Difference]: Finished difference Result 9062 states and 12453 transitions. [2018-11-18 13:16:28,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 13:16:28,818 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 336 [2018-11-18 13:16:28,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:16:28,835 INFO L225 Difference]: With dead ends: 9062 [2018-11-18 13:16:28,836 INFO L226 Difference]: Without dead ends: 5523 [2018-11-18 13:16:28,848 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 345 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 13:16:28,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5523 states. [2018-11-18 13:16:28,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5523 to 5486. [2018-11-18 13:16:28,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5486 states. [2018-11-18 13:16:28,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5486 states to 5486 states and 7100 transitions. [2018-11-18 13:16:28,962 INFO L78 Accepts]: Start accepts. Automaton has 5486 states and 7100 transitions. Word has length 336 [2018-11-18 13:16:28,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:16:28,962 INFO L480 AbstractCegarLoop]: Abstraction has 5486 states and 7100 transitions. [2018-11-18 13:16:28,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:16:28,962 INFO L276 IsEmpty]: Start isEmpty. Operand 5486 states and 7100 transitions. [2018-11-18 13:16:28,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 485 [2018-11-18 13:16:28,973 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:16:28,973 INFO L375 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:16:28,973 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:16:28,973 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:16:28,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1174694694, now seen corresponding path program 1 times [2018-11-18 13:16:28,974 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:16:28,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:16:28,974 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:16:28,974 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:16:28,975 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:16:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:16:29,212 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 214 proven. 35 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-11-18 13:16:29,212 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:16:29,213 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:16:29,213 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 485 with the following transitions: [2018-11-18 13:16:29,213 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [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], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:16:29,219 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:16:29,219 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:16:29,558 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:16:29,558 INFO L272 AbstractInterpreter]: Visited 250 different actions 747 times. Merged at 8 different actions 21 times. Never widened. Performed 8379 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8379 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 13:16:29,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:16:29,560 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:16:29,560 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:16:29,560 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:16:29,574 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:16:29,575 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:16:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:16:29,682 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:16:29,836 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-11-18 13:16:29,837 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:16:30,009 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2018-11-18 13:16:30,035 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:16:30,035 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-11-18 13:16:30,035 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:16:30,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:16:30,036 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:16:30,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:16:30,036 INFO L87 Difference]: Start difference. First operand 5486 states and 7100 transitions. Second operand 3 states. [2018-11-18 13:16:30,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:16:30,885 INFO L93 Difference]: Finished difference Result 10628 states and 13855 transitions. [2018-11-18 13:16:30,886 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:16:30,886 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 484 [2018-11-18 13:16:30,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:16:30,901 INFO L225 Difference]: With dead ends: 10628 [2018-11-18 13:16:30,901 INFO L226 Difference]: Without dead ends: 5486 [2018-11-18 13:16:30,914 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 974 GetRequests, 969 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:16:30,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5486 states. [2018-11-18 13:16:30,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5486 to 5486. [2018-11-18 13:16:30,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5486 states. [2018-11-18 13:16:31,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5486 states to 5486 states and 6798 transitions. [2018-11-18 13:16:31,004 INFO L78 Accepts]: Start accepts. Automaton has 5486 states and 6798 transitions. Word has length 484 [2018-11-18 13:16:31,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:16:31,005 INFO L480 AbstractCegarLoop]: Abstraction has 5486 states and 6798 transitions. [2018-11-18 13:16:31,005 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:16:31,005 INFO L276 IsEmpty]: Start isEmpty. Operand 5486 states and 6798 transitions. [2018-11-18 13:16:31,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2018-11-18 13:16:31,016 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:16:31,016 INFO L375 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:16:31,017 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:16:31,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:16:31,017 INFO L82 PathProgramCache]: Analyzing trace with hash 913991280, now seen corresponding path program 1 times [2018-11-18 13:16:31,017 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:16:31,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:16:31,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:16:31,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:16:31,018 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:16:31,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:16:31,670 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 100 proven. 193 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:16:31,670 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:16:31,670 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:16:31,671 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 509 with the following transitions: [2018-11-18 13:16:31,671 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:16:31,674 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:16:31,674 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:16:31,885 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:16:31,885 INFO L272 AbstractInterpreter]: Visited 248 different actions 737 times. Merged at 7 different actions 15 times. Never widened. Performed 8235 root evaluator evaluations with a maximum evaluation depth of 8. Performed 8235 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 13:16:31,890 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:16:31,891 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:16:32,206 INFO L227 lantSequenceWeakener]: Weakened 505 states. On average, predicates are now at 80.26% of their original sizes. [2018-11-18 13:16:32,206 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:16:32,238 INFO L415 sIntCurrentIteration]: We unified 507 AI predicates to 507 [2018-11-18 13:16:32,238 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:16:32,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:16:32,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-11-18 13:16:32,238 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:16:32,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:16:32,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:16:32,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:16:32,240 INFO L87 Difference]: Start difference. First operand 5486 states and 6798 transitions. Second operand 9 states. [2018-11-18 13:17:16,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:17:16,976 INFO L93 Difference]: Finished difference Result 12751 states and 15845 transitions. [2018-11-18 13:17:16,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 13:17:16,976 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 508 [2018-11-18 13:17:16,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:17:16,992 INFO L225 Difference]: With dead ends: 12751 [2018-11-18 13:17:16,993 INFO L226 Difference]: Without dead ends: 7609 [2018-11-18 13:17:17,000 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 514 GetRequests, 500 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 13:17:17,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7609 states. [2018-11-18 13:17:17,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7609 to 7589. [2018-11-18 13:17:17,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7589 states. [2018-11-18 13:17:17,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7589 states to 7589 states and 9148 transitions. [2018-11-18 13:17:17,101 INFO L78 Accepts]: Start accepts. Automaton has 7589 states and 9148 transitions. Word has length 508 [2018-11-18 13:17:17,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:17:17,102 INFO L480 AbstractCegarLoop]: Abstraction has 7589 states and 9148 transitions. [2018-11-18 13:17:17,102 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:17:17,102 INFO L276 IsEmpty]: Start isEmpty. Operand 7589 states and 9148 transitions. [2018-11-18 13:17:17,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 648 [2018-11-18 13:17:17,122 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:17:17,122 INFO L375 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:17:17,123 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:17:17,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:17:17,123 INFO L82 PathProgramCache]: Analyzing trace with hash -1753088347, now seen corresponding path program 1 times [2018-11-18 13:17:17,123 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:17:17,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:17:17,124 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:17:17,124 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:17:17,124 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:17:17,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:17,522 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 391 proven. 115 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2018-11-18 13:17:17,523 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:17:17,523 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:17:17,523 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 648 with the following transitions: [2018-11-18 13:17:17,523 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:17:17,526 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:17:17,526 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:17:17,907 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:17:17,907 INFO L272 AbstractInterpreter]: Visited 251 different actions 1001 times. Merged at 9 different actions 32 times. Never widened. Performed 11666 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11666 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 13:17:17,910 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:17:17,911 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:17:17,911 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:17:17,911 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:17:17,917 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:17:17,917 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:17:17,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:17,999 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:17:18,241 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 693 proven. 2 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-11-18 13:17:18,241 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:17:18,418 INFO L134 CoverageAnalysis]: Checked inductivity of 860 backedges. 391 proven. 115 refuted. 0 times theorem prover too weak. 354 trivial. 0 not checked. [2018-11-18 13:17:18,434 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:17:18,434 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 13:17:18,434 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:17:18,434 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:17:18,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:17:18,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-18 13:17:18,435 INFO L87 Difference]: Start difference. First operand 7589 states and 9148 transitions. Second operand 9 states. [2018-11-18 13:17:20,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:17:20,922 INFO L93 Difference]: Finished difference Result 17426 states and 22076 transitions. [2018-11-18 13:17:20,922 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 13:17:20,922 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 647 [2018-11-18 13:17:20,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:17:20,944 INFO L225 Difference]: With dead ends: 17426 [2018-11-18 13:17:20,944 INFO L226 Difference]: Without dead ends: 10181 [2018-11-18 13:17:20,960 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1315 GetRequests, 1297 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-18 13:17:20,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10181 states. [2018-11-18 13:17:21,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10181 to 10157. [2018-11-18 13:17:21,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10157 states. [2018-11-18 13:17:21,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10157 states to 10157 states and 12443 transitions. [2018-11-18 13:17:21,067 INFO L78 Accepts]: Start accepts. Automaton has 10157 states and 12443 transitions. Word has length 647 [2018-11-18 13:17:21,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:17:21,068 INFO L480 AbstractCegarLoop]: Abstraction has 10157 states and 12443 transitions. [2018-11-18 13:17:21,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:17:21,068 INFO L276 IsEmpty]: Start isEmpty. Operand 10157 states and 12443 transitions. [2018-11-18 13:17:21,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 893 [2018-11-18 13:17:21,081 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:17:21,082 INFO L375 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:17:21,082 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:17:21,082 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:17:21,082 INFO L82 PathProgramCache]: Analyzing trace with hash 1735297582, now seen corresponding path program 1 times [2018-11-18 13:17:21,083 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:17:21,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:17:21,084 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:17:21,084 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:17:21,084 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:17:21,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:22,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1424 backedges. 218 proven. 908 refuted. 0 times theorem prover too weak. 298 trivial. 0 not checked. [2018-11-18 13:17:22,394 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:17:22,394 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:17:22,394 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 893 with the following transitions: [2018-11-18 13:17:22,394 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [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], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:17:22,397 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:17:22,397 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:17:22,622 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:17:22,622 INFO L272 AbstractInterpreter]: Visited 261 different actions 516 times. Merged at 5 different actions 5 times. Never widened. Performed 5483 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5483 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 13:17:22,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:17:22,626 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:17:23,022 INFO L227 lantSequenceWeakener]: Weakened 889 states. On average, predicates are now at 77.48% of their original sizes. [2018-11-18 13:17:23,023 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:17:23,074 INFO L415 sIntCurrentIteration]: We unified 891 AI predicates to 891 [2018-11-18 13:17:23,074 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:17:23,074 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:17:23,074 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-11-18 13:17:23,074 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:17:23,075 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:17:23,075 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:17:23,075 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:17:23,075 INFO L87 Difference]: Start difference. First operand 10157 states and 12443 transitions. Second operand 10 states. [2018-11-18 13:18:35,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:18:35,181 INFO L93 Difference]: Finished difference Result 20313 states and 24930 transitions. [2018-11-18 13:18:35,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 13:18:35,182 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 892 [2018-11-18 13:18:35,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:18:35,210 INFO L225 Difference]: With dead ends: 20313 [2018-11-18 13:18:35,210 INFO L226 Difference]: Without dead ends: 10500 [2018-11-18 13:18:35,231 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 899 GetRequests, 883 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 13:18:35,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10500 states. [2018-11-18 13:18:35,353 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10500 to 10497. [2018-11-18 13:18:35,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10497 states. [2018-11-18 13:18:35,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10497 states to 10497 states and 12800 transitions. [2018-11-18 13:18:35,380 INFO L78 Accepts]: Start accepts. Automaton has 10497 states and 12800 transitions. Word has length 892 [2018-11-18 13:18:35,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:18:35,380 INFO L480 AbstractCegarLoop]: Abstraction has 10497 states and 12800 transitions. [2018-11-18 13:18:35,380 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:18:35,381 INFO L276 IsEmpty]: Start isEmpty. Operand 10497 states and 12800 transitions. [2018-11-18 13:18:35,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2018-11-18 13:18:35,398 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:18:35,399 INFO L375 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:18:35,399 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:18:35,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:35,399 INFO L82 PathProgramCache]: Analyzing trace with hash 347244702, now seen corresponding path program 1 times [2018-11-18 13:18:35,399 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:18:35,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:35,400 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:18:35,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:18:35,400 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:18:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:35,971 INFO L134 CoverageAnalysis]: Checked inductivity of 1432 backedges. 653 proven. 35 refuted. 0 times theorem prover too weak. 744 trivial. 0 not checked. [2018-11-18 13:18:35,971 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:18:35,971 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:18:35,971 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 901 with the following transitions: [2018-11-18 13:18:35,971 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [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], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:18:35,974 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:18:35,974 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:18:36,310 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:18:36,310 INFO L272 AbstractInterpreter]: Visited 261 different actions 770 times. Merged at 5 different actions 9 times. Never widened. Performed 8953 root evaluator evaluations with a maximum evaluation depth of 9. Performed 8953 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 13:18:36,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:18:36,318 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:18:36,747 INFO L227 lantSequenceWeakener]: Weakened 897 states. On average, predicates are now at 80.16% of their original sizes. [2018-11-18 13:18:36,747 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:18:36,806 INFO L415 sIntCurrentIteration]: We unified 899 AI predicates to 899 [2018-11-18 13:18:36,806 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:18:36,806 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:18:36,806 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-11-18 13:18:36,807 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:18:36,807 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:18:36,807 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:18:36,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:18:36,808 INFO L87 Difference]: Start difference. First operand 10497 states and 12800 transitions. Second operand 9 states. [2018-11-18 13:19:20,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:19:20,398 INFO L93 Difference]: Finished difference Result 20328 states and 24979 transitions. [2018-11-18 13:19:20,398 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 13:19:20,398 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 900 [2018-11-18 13:19:20,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:19:20,420 INFO L225 Difference]: With dead ends: 20328 [2018-11-18 13:19:20,420 INFO L226 Difference]: Without dead ends: 10515 [2018-11-18 13:19:20,434 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 906 GetRequests, 892 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 13:19:20,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10515 states. [2018-11-18 13:19:20,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10515 to 10501. [2018-11-18 13:19:20,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10501 states. [2018-11-18 13:19:20,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10501 states to 10501 states and 12784 transitions. [2018-11-18 13:19:20,536 INFO L78 Accepts]: Start accepts. Automaton has 10501 states and 12784 transitions. Word has length 900 [2018-11-18 13:19:20,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:19:20,537 INFO L480 AbstractCegarLoop]: Abstraction has 10501 states and 12784 transitions. [2018-11-18 13:19:20,537 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:19:20,537 INFO L276 IsEmpty]: Start isEmpty. Operand 10501 states and 12784 transitions. [2018-11-18 13:19:20,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 985 [2018-11-18 13:19:20,548 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:19:20,549 INFO L375 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 13:19:20,549 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:19:20,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:19:20,549 INFO L82 PathProgramCache]: Analyzing trace with hash -887992208, now seen corresponding path program 1 times [2018-11-18 13:19:20,550 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:19:20,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:19:20,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:19:20,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:19:20,552 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:19:20,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:19:21,729 INFO L134 CoverageAnalysis]: Checked inductivity of 1899 backedges. 332 proven. 588 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2018-11-18 13:19:21,729 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:19:21,729 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:19:21,730 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 985 with the following transitions: [2018-11-18 13:19:21,730 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:19:21,732 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:19:21,732 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:19:22,157 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:19:22,158 INFO L272 AbstractInterpreter]: Visited 263 different actions 1315 times. Merged at 11 different actions 47 times. Never widened. Performed 15982 root evaluator evaluations with a maximum evaluation depth of 9. Performed 15982 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 15 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 13:19:22,162 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:19:22,163 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:19:22,163 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:19:22,163 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:19:22,172 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:19:22,172 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:19:22,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:19:22,305 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:19:22,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1899 backedges. 1104 proven. 2 refuted. 0 times theorem prover too weak. 793 trivial. 0 not checked. [2018-11-18 13:19:22,701 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:19:23,157 INFO L134 CoverageAnalysis]: Checked inductivity of 1899 backedges. 332 proven. 588 refuted. 0 times theorem prover too weak. 979 trivial. 0 not checked. [2018-11-18 13:19:23,173 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:19:23,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 19 [2018-11-18 13:19:23,173 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:19:23,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 13:19:23,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 13:19:23,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 13:19:23,174 INFO L87 Difference]: Start difference. First operand 10501 states and 12784 transitions. Second operand 16 states. [2018-11-18 13:19:29,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:19:29,023 INFO L93 Difference]: Finished difference Result 28093 states and 35652 transitions. [2018-11-18 13:19:29,023 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-11-18 13:19:29,023 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 984 [2018-11-18 13:19:29,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:19:29,045 INFO L225 Difference]: With dead ends: 28093 [2018-11-18 13:19:29,046 INFO L226 Difference]: Without dead ends: 13509 [2018-11-18 13:19:29,087 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2051 GetRequests, 1995 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 914 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=717, Invalid=2589, Unknown=0, NotChecked=0, Total=3306 [2018-11-18 13:19:29,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13509 states. [2018-11-18 13:19:29,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13509 to 13216. [2018-11-18 13:19:29,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13216 states. [2018-11-18 13:19:29,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13216 states to 13216 states and 14662 transitions. [2018-11-18 13:19:29,349 INFO L78 Accepts]: Start accepts. Automaton has 13216 states and 14662 transitions. Word has length 984 [2018-11-18 13:19:29,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:19:29,350 INFO L480 AbstractCegarLoop]: Abstraction has 13216 states and 14662 transitions. [2018-11-18 13:19:29,350 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 13:19:29,350 INFO L276 IsEmpty]: Start isEmpty. Operand 13216 states and 14662 transitions. [2018-11-18 13:19:29,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1363 [2018-11-18 13:19:29,387 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:19:29,388 INFO L375 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:19:29,388 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:19:29,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:19:29,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1320479720, now seen corresponding path program 1 times [2018-11-18 13:19:29,389 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:19:29,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:19:29,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:19:29,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:19:29,390 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:19:29,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:19:30,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3797 backedges. 1337 proven. 35 refuted. 0 times theorem prover too weak. 2425 trivial. 0 not checked. [2018-11-18 13:19:30,208 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:19:30,208 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:19:30,208 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1363 with the following transitions: [2018-11-18 13:19:30,208 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [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], [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], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:19:30,211 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:19:30,211 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:19:30,671 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:19:30,671 INFO L272 AbstractInterpreter]: Visited 270 different actions 1091 times. Merged at 12 different actions 46 times. Widened at 1 different actions 1 times. Performed 12871 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12871 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 13:19:30,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:19:30,673 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:19:30,674 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:19:30,674 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:19:30,687 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:19:30,687 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:19:30,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:19:30,828 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:19:31,322 INFO L134 CoverageAnalysis]: Checked inductivity of 3797 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 3480 trivial. 0 not checked. [2018-11-18 13:19:31,323 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:19:31,834 INFO L134 CoverageAnalysis]: Checked inductivity of 3797 backedges. 317 proven. 0 refuted. 0 times theorem prover too weak. 3480 trivial. 0 not checked. [2018-11-18 13:19:31,850 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:19:31,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 6 [2018-11-18 13:19:31,851 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:19:31,851 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:19:31,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:19:31,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:19:31,852 INFO L87 Difference]: Start difference. First operand 13216 states and 14662 transitions. Second operand 3 states. [2018-11-18 13:19:32,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:19:32,536 INFO L93 Difference]: Finished difference Result 27676 states and 31320 transitions. [2018-11-18 13:19:32,536 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:19:32,536 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1362 [2018-11-18 13:19:32,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:19:32,558 INFO L225 Difference]: With dead ends: 27676 [2018-11-18 13:19:32,558 INFO L226 Difference]: Without dead ends: 13851 [2018-11-18 13:19:32,584 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2730 GetRequests, 2724 SyntacticMatches, 2 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:19:32,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13851 states. [2018-11-18 13:19:32,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13851 to 13851. [2018-11-18 13:19:32,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13851 states. [2018-11-18 13:19:32,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13851 states to 13851 states and 15088 transitions. [2018-11-18 13:19:32,714 INFO L78 Accepts]: Start accepts. Automaton has 13851 states and 15088 transitions. Word has length 1362 [2018-11-18 13:19:32,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:19:32,715 INFO L480 AbstractCegarLoop]: Abstraction has 13851 states and 15088 transitions. [2018-11-18 13:19:32,715 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:19:32,715 INFO L276 IsEmpty]: Start isEmpty. Operand 13851 states and 15088 transitions. [2018-11-18 13:19:32,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1404 [2018-11-18 13:19:32,731 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:19:32,731 INFO L375 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:19:32,732 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:19:32,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:19:32,732 INFO L82 PathProgramCache]: Analyzing trace with hash 91819937, now seen corresponding path program 1 times [2018-11-18 13:19:32,732 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:19:32,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:19:32,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:19:32,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:19:32,733 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:19:32,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:19:34,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3797 backedges. 1342 proven. 35 refuted. 0 times theorem prover too weak. 2420 trivial. 0 not checked. [2018-11-18 13:19:34,013 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:19:34,013 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:19:34,013 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1404 with the following transitions: [2018-11-18 13:19:34,013 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [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], [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], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:19:34,016 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:19:34,017 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:19:34,619 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:19:34,619 INFO L272 AbstractInterpreter]: Visited 311 different actions 1243 times. Merged at 12 different actions 43 times. Never widened. Performed 15017 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15017 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 13:19:34,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:19:34,622 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:19:34,622 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:19:34,623 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:19:34,629 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:19:34,629 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:19:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:19:34,780 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:19:35,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3797 backedges. 2581 proven. 6 refuted. 0 times theorem prover too weak. 1210 trivial. 0 not checked. [2018-11-18 13:19:35,404 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:19:36,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3797 backedges. 1477 proven. 361 refuted. 0 times theorem prover too weak. 1959 trivial. 0 not checked. [2018-11-18 13:19:36,707 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:19:36,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 21 [2018-11-18 13:19:36,707 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:19:36,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 13:19:36,709 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 13:19:36,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2018-11-18 13:19:36,709 INFO L87 Difference]: Start difference. First operand 13851 states and 15088 transitions. Second operand 16 states. [2018-11-18 13:19:46,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:19:46,477 INFO L93 Difference]: Finished difference Result 44007 states and 48569 transitions. [2018-11-18 13:19:46,477 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2018-11-18 13:19:46,477 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1403 [2018-11-18 13:19:46,478 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:19:46,529 INFO L225 Difference]: With dead ends: 44007 [2018-11-18 13:19:46,529 INFO L226 Difference]: Without dead ends: 29709 [2018-11-18 13:19:46,554 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2908 GetRequests, 2837 SyntacticMatches, 4 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1309 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=821, Invalid=3871, Unknown=0, NotChecked=0, Total=4692 [2018-11-18 13:19:46,571 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29709 states. [2018-11-18 13:19:46,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29709 to 29235. [2018-11-18 13:19:46,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29235 states. [2018-11-18 13:19:46,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29235 states to 29235 states and 31438 transitions. [2018-11-18 13:19:46,835 INFO L78 Accepts]: Start accepts. Automaton has 29235 states and 31438 transitions. Word has length 1403 [2018-11-18 13:19:46,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:19:46,836 INFO L480 AbstractCegarLoop]: Abstraction has 29235 states and 31438 transitions. [2018-11-18 13:19:46,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 13:19:46,836 INFO L276 IsEmpty]: Start isEmpty. Operand 29235 states and 31438 transitions. [2018-11-18 13:19:46,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1647 [2018-11-18 13:19:46,864 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:19:46,864 INFO L375 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:19:46,865 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:19:46,865 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:19:46,865 INFO L82 PathProgramCache]: Analyzing trace with hash 1432663476, now seen corresponding path program 1 times [2018-11-18 13:19:46,865 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:19:46,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:19:46,866 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:19:46,866 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:19:46,866 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:19:46,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:19:48,541 INFO L134 CoverageAnalysis]: Checked inductivity of 4916 backedges. 1153 proven. 531 refuted. 0 times theorem prover too weak. 3232 trivial. 0 not checked. [2018-11-18 13:19:48,541 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:19:48,542 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:19:48,542 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1647 with the following transitions: [2018-11-18 13:19:48,542 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [860], [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], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:19:48,545 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:19:48,545 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:19:49,297 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:19:49,297 INFO L272 AbstractInterpreter]: Visited 289 different actions 1160 times. Merged at 11 different actions 39 times. Widened at 1 different actions 1 times. Performed 13876 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13876 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 13 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-18 13:19:49,298 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:19:49,298 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:19:49,298 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:19:49,298 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/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 [2018-11-18 13:19:49,305 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:19:49,305 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:19:49,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:19:49,500 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:19:50,608 INFO L134 CoverageAnalysis]: Checked inductivity of 4916 backedges. 3403 proven. 2 refuted. 0 times theorem prover too weak. 1511 trivial. 0 not checked. [2018-11-18 13:19:50,609 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:19:52,945 INFO L134 CoverageAnalysis]: Checked inductivity of 4916 backedges. 1153 proven. 531 refuted. 0 times theorem prover too weak. 3232 trivial. 0 not checked. [2018-11-18 13:19:52,961 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:19:52,961 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-18 13:19:52,961 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:19:52,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 13:19:52,962 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 13:19:52,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-11-18 13:19:52,963 INFO L87 Difference]: Start difference. First operand 29235 states and 31438 transitions. Second operand 11 states. [2018-11-18 13:19:56,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:19:56,554 INFO L93 Difference]: Finished difference Result 56754 states and 61920 transitions. [2018-11-18 13:19:56,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-18 13:19:56,554 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1646 [2018-11-18 13:19:56,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:19:56,614 INFO L225 Difference]: With dead ends: 56754 [2018-11-18 13:19:56,614 INFO L226 Difference]: Without dead ends: 31245 [2018-11-18 13:19:56,653 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3335 GetRequests, 3304 SyntacticMatches, 2 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 166 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=229, Invalid=701, Unknown=0, NotChecked=0, Total=930 [2018-11-18 13:19:56,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31245 states. [2018-11-18 13:19:56,947 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31245 to 29793. [2018-11-18 13:19:56,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29793 states. [2018-11-18 13:19:56,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29793 states to 29793 states and 31936 transitions. [2018-11-18 13:19:56,997 INFO L78 Accepts]: Start accepts. Automaton has 29793 states and 31936 transitions. Word has length 1646 [2018-11-18 13:19:56,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:19:56,998 INFO L480 AbstractCegarLoop]: Abstraction has 29793 states and 31936 transitions. [2018-11-18 13:19:56,998 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 13:19:56,998 INFO L276 IsEmpty]: Start isEmpty. Operand 29793 states and 31936 transitions. [2018-11-18 13:19:57,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1888 [2018-11-18 13:19:57,033 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:19:57,033 INFO L375 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, 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, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:19:57,033 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:19:57,034 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:19:57,034 INFO L82 PathProgramCache]: Analyzing trace with hash -696455507, now seen corresponding path program 1 times [2018-11-18 13:19:57,034 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:19:57,034 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:19:57,035 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:19:57,035 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:19:57,035 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:19:57,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:19:58,199 INFO L134 CoverageAnalysis]: Checked inductivity of 6730 backedges. 895 proven. 567 refuted. 0 times theorem prover too weak. 5268 trivial. 0 not checked. [2018-11-18 13:19:58,199 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:19:58,199 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:19:58,199 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1888 with the following transitions: [2018-11-18 13:19:58,199 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [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], [837], [841], [845], [849], [853], [856], [857], [860], [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], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [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], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:19:58,202 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:19:58,202 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:19:58,984 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:19:58,985 INFO L272 AbstractInterpreter]: Visited 291 different actions 1177 times. Merged at 12 different actions 48 times. Widened at 1 different actions 1 times. Performed 14114 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14114 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-18 13:19:58,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:19:58,987 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:19:58,987 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:19:58,987 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/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 [2018-11-18 13:19:58,993 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:19:58,993 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:19:59,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:19:59,184 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:20:00,133 INFO L134 CoverageAnalysis]: Checked inductivity of 6730 backedges. 4130 proven. 2 refuted. 0 times theorem prover too weak. 2598 trivial. 0 not checked. [2018-11-18 13:20:00,133 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:20:01,100 INFO L134 CoverageAnalysis]: Checked inductivity of 6730 backedges. 895 proven. 567 refuted. 0 times theorem prover too weak. 5268 trivial. 0 not checked. [2018-11-18 13:20:01,116 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:20:01,117 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 13:20:01,117 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:20:01,118 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:20:01,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:20:01,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:20:01,118 INFO L87 Difference]: Start difference. First operand 29793 states and 31936 transitions. Second operand 9 states. [2018-11-18 13:20:02,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:20:02,619 INFO L93 Difference]: Finished difference Result 54870 states and 58440 transitions. [2018-11-18 13:20:02,619 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 13:20:02,619 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1887 [2018-11-18 13:20:02,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:20:02,652 INFO L225 Difference]: With dead ends: 54870 [2018-11-18 13:20:02,652 INFO L226 Difference]: Without dead ends: 25761 [2018-11-18 13:20:02,686 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3791 GetRequests, 3775 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-18 13:20:02,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25761 states. [2018-11-18 13:20:02,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25761 to 21674. [2018-11-18 13:20:02,855 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21674 states. [2018-11-18 13:20:02,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21674 states to 21674 states and 22641 transitions. [2018-11-18 13:20:02,873 INFO L78 Accepts]: Start accepts. Automaton has 21674 states and 22641 transitions. Word has length 1887 [2018-11-18 13:20:02,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:20:02,874 INFO L480 AbstractCegarLoop]: Abstraction has 21674 states and 22641 transitions. [2018-11-18 13:20:02,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:20:02,874 INFO L276 IsEmpty]: Start isEmpty. Operand 21674 states and 22641 transitions. [2018-11-18 13:20:02,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1889 [2018-11-18 13:20:02,895 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:20:02,896 INFO L375 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, 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, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:20:02,896 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:20:02,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:20:02,896 INFO L82 PathProgramCache]: Analyzing trace with hash -683270936, now seen corresponding path program 1 times [2018-11-18 13:20:02,896 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:20:02,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:20:02,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:20:02,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:20:02,897 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:20:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:20:06,061 INFO L134 CoverageAnalysis]: Checked inductivity of 6739 backedges. 2805 proven. 1321 refuted. 0 times theorem prover too weak. 2613 trivial. 0 not checked. [2018-11-18 13:20:06,061 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:20:06,061 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:20:06,062 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1889 with the following transitions: [2018-11-18 13:20:06,062 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [860], [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], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [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], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:20:06,065 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:20:06,065 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:20:06,807 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:20:06,807 INFO L272 AbstractInterpreter]: Visited 291 different actions 1167 times. Merged at 12 different actions 38 times. Never widened. Performed 14048 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14048 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 9 different actions. Largest state had 24 variables. [2018-11-18 13:20:06,808 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:20:06,808 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:20:06,808 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:20:06,808 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/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 [2018-11-18 13:20:06,814 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:20:06,814 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:20:06,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:20:07,004 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:20:07,895 INFO L134 CoverageAnalysis]: Checked inductivity of 6739 backedges. 3633 proven. 2 refuted. 0 times theorem prover too weak. 3104 trivial. 0 not checked. [2018-11-18 13:20:07,895 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:20:09,353 INFO L134 CoverageAnalysis]: Checked inductivity of 6739 backedges. 1743 proven. 279 refuted. 0 times theorem prover too weak. 4717 trivial. 0 not checked. [2018-11-18 13:20:09,369 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:20:09,369 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 5, 5] total 19 [2018-11-18 13:20:09,370 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:20:09,370 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 13:20:09,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 13:20:09,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=270, Unknown=0, NotChecked=0, Total=342 [2018-11-18 13:20:09,371 INFO L87 Difference]: Start difference. First operand 21674 states and 22641 transitions. Second operand 18 states. [2018-11-18 13:20:15,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:20:15,916 INFO L93 Difference]: Finished difference Result 42563 states and 44651 transitions. [2018-11-18 13:20:15,916 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2018-11-18 13:20:15,916 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1888 [2018-11-18 13:20:15,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:20:15,941 INFO L225 Difference]: With dead ends: 42563 [2018-11-18 13:20:15,941 INFO L226 Difference]: Without dead ends: 21573 [2018-11-18 13:20:15,960 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3891 GetRequests, 3811 SyntacticMatches, 6 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1796 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1037, Invalid=4663, Unknown=0, NotChecked=0, Total=5700 [2018-11-18 13:20:15,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21573 states. [2018-11-18 13:20:16,107 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21573 to 20428. [2018-11-18 13:20:16,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20428 states. [2018-11-18 13:20:16,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20428 states to 20428 states and 21137 transitions. [2018-11-18 13:20:16,122 INFO L78 Accepts]: Start accepts. Automaton has 20428 states and 21137 transitions. Word has length 1888 [2018-11-18 13:20:16,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:20:16,123 INFO L480 AbstractCegarLoop]: Abstraction has 20428 states and 21137 transitions. [2018-11-18 13:20:16,123 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 13:20:16,123 INFO L276 IsEmpty]: Start isEmpty. Operand 20428 states and 21137 transitions. [2018-11-18 13:20:16,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1961 [2018-11-18 13:20:16,143 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:20:16,143 INFO L375 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, 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, 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, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:20:16,143 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:20:16,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:20:16,144 INFO L82 PathProgramCache]: Analyzing trace with hash 344855698, now seen corresponding path program 1 times [2018-11-18 13:20:16,144 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:20:16,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:20:16,144 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:20:16,144 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:20:16,144 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:20:16,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:20:22,315 INFO L134 CoverageAnalysis]: Checked inductivity of 7495 backedges. 1187 proven. 4812 refuted. 0 times theorem prover too weak. 1496 trivial. 0 not checked. [2018-11-18 13:20:22,315 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:20:22,315 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:20:22,316 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1961 with the following transitions: [2018-11-18 13:20:22,316 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [860], [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], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [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], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:20:22,318 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:20:22,318 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:20:23,162 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:20:23,163 INFO L272 AbstractInterpreter]: Visited 292 different actions 1175 times. Merged at 12 different actions 42 times. Widened at 1 different actions 1 times. Performed 14156 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14156 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 17 fixpoints after 9 different actions. Largest state had 24 variables. [2018-11-18 13:20:23,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:20:23,164 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:20:23,164 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:20:23,164 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/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 [2018-11-18 13:20:23,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:20:23,171 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:20:23,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:20:23,374 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:20:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 7495 backedges. 4494 proven. 2 refuted. 0 times theorem prover too weak. 2999 trivial. 0 not checked. [2018-11-18 13:20:24,437 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:20:25,867 INFO L134 CoverageAnalysis]: Checked inductivity of 7495 backedges. 953 proven. 636 refuted. 0 times theorem prover too weak. 5906 trivial. 0 not checked. [2018-11-18 13:20:25,883 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:20:25,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 5, 5] total 30 [2018-11-18 13:20:25,883 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:20:25,885 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-18 13:20:25,885 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-18 13:20:25,886 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2018-11-18 13:20:25,886 INFO L87 Difference]: Start difference. First operand 20428 states and 21137 transitions. Second operand 28 states. [2018-11-18 13:20:38,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:20:38,557 INFO L93 Difference]: Finished difference Result 46961 states and 48761 transitions. [2018-11-18 13:20:38,557 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2018-11-18 13:20:38,557 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 1960 [2018-11-18 13:20:38,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:20:38,587 INFO L225 Difference]: With dead ends: 46961 [2018-11-18 13:20:38,587 INFO L226 Difference]: Without dead ends: 27217 [2018-11-18 13:20:38,607 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4094 GetRequests, 3981 SyntacticMatches, 10 SemanticMatches, 103 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3947 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1694, Invalid=9226, Unknown=0, NotChecked=0, Total=10920 [2018-11-18 13:20:38,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27217 states. [2018-11-18 13:20:38,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27217 to 24855. [2018-11-18 13:20:38,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24855 states. [2018-11-18 13:20:38,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24855 states to 24855 states and 25663 transitions. [2018-11-18 13:20:38,832 INFO L78 Accepts]: Start accepts. Automaton has 24855 states and 25663 transitions. Word has length 1960 [2018-11-18 13:20:38,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:20:38,832 INFO L480 AbstractCegarLoop]: Abstraction has 24855 states and 25663 transitions. [2018-11-18 13:20:38,832 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-18 13:20:38,832 INFO L276 IsEmpty]: Start isEmpty. Operand 24855 states and 25663 transitions. [2018-11-18 13:20:38,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1994 [2018-11-18 13:20:38,855 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:20:38,856 INFO L375 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, 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, 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 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, 4, 4, 4, 4, 4, 4, 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, 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] [2018-11-18 13:20:38,856 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:20:38,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:20:38,857 INFO L82 PathProgramCache]: Analyzing trace with hash -145842445, now seen corresponding path program 1 times [2018-11-18 13:20:38,857 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:20:38,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:20:38,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:20:38,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:20:38,857 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:20:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:20:44,856 INFO L134 CoverageAnalysis]: Checked inductivity of 7867 backedges. 1291 proven. 5202 refuted. 0 times theorem prover too weak. 1374 trivial. 0 not checked. [2018-11-18 13:20:44,856 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:20:44,856 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:20:44,856 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1994 with the following transitions: [2018-11-18 13:20:44,857 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [860], [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], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1296], [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], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:20:44,859 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:20:44,860 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:20:45,682 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:20:45,682 INFO L272 AbstractInterpreter]: Visited 292 different actions 1168 times. Merged at 12 different actions 35 times. Never widened. Performed 14028 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14028 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 9 different actions. Largest state had 24 variables. [2018-11-18 13:20:45,685 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:20:45,685 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:20:45,685 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:20:45,685 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/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 [2018-11-18 13:20:45,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:20:45,692 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:20:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:20:45,892 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:20:48,512 WARN L180 SmtUtils]: Spent 2.32 s on a formula simplification. DAG size of input: 398 DAG size of output: 25 [2018-11-18 13:20:49,885 INFO L134 CoverageAnalysis]: Checked inductivity of 7867 backedges. 1491 proven. 35 refuted. 0 times theorem prover too weak. 6341 trivial. 0 not checked. [2018-11-18 13:20:49,885 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:20:51,039 INFO L134 CoverageAnalysis]: Checked inductivity of 7867 backedges. 1524 proven. 2 refuted. 0 times theorem prover too weak. 6341 trivial. 0 not checked. [2018-11-18 13:20:51,055 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:20:51,056 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 6, 6] total 33 [2018-11-18 13:20:51,056 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:20:51,057 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2018-11-18 13:20:51,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2018-11-18 13:20:51,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=151, Invalid=905, Unknown=0, NotChecked=0, Total=1056 [2018-11-18 13:20:51,058 INFO L87 Difference]: Start difference. First operand 24855 states and 25663 transitions. Second operand 29 states. [2018-11-18 13:20:54,252 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 53 [2018-11-18 13:20:57,826 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 59 [2018-11-18 13:21:06,905 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 66 [2018-11-18 13:21:23,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:21:23,853 INFO L93 Difference]: Finished difference Result 57479 states and 59651 transitions. [2018-11-18 13:21:23,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 78 states. [2018-11-18 13:21:23,853 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 1993 [2018-11-18 13:21:23,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:21:23,890 INFO L225 Difference]: With dead ends: 57479 [2018-11-18 13:21:23,890 INFO L226 Difference]: Without dead ends: 33650 [2018-11-18 13:21:23,911 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4153 GetRequests, 4044 SyntacticMatches, 5 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3662 ImplicationChecksByTransitivity, 7.0s TimeCoverageRelationStatistics Valid=1713, Invalid=9417, Unknown=0, NotChecked=0, Total=11130 [2018-11-18 13:21:23,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33650 states. [2018-11-18 13:21:24,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33650 to 30565. [2018-11-18 13:21:24,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30565 states. [2018-11-18 13:21:24,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30565 states to 30565 states and 31590 transitions. [2018-11-18 13:21:24,183 INFO L78 Accepts]: Start accepts. Automaton has 30565 states and 31590 transitions. Word has length 1993 [2018-11-18 13:21:24,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:21:24,183 INFO L480 AbstractCegarLoop]: Abstraction has 30565 states and 31590 transitions. [2018-11-18 13:21:24,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 29 states. [2018-11-18 13:21:24,184 INFO L276 IsEmpty]: Start isEmpty. Operand 30565 states and 31590 transitions. [2018-11-18 13:21:24,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2106 [2018-11-18 13:21:24,207 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:21:24,208 INFO L375 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 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, 11, 11, 11, 11, 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, 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, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:21:24,208 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:21:24,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:21:24,208 INFO L82 PathProgramCache]: Analyzing trace with hash -185929223, now seen corresponding path program 1 times [2018-11-18 13:21:24,209 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:21:24,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:21:24,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:21:24,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:21:24,209 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:21:24,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:25,641 INFO L134 CoverageAnalysis]: Checked inductivity of 8985 backedges. 1632 proven. 35 refuted. 0 times theorem prover too weak. 7318 trivial. 0 not checked. [2018-11-18 13:21:25,641 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:21:25,641 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:21:25,641 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2106 with the following transitions: [2018-11-18 13:21:25,641 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [728], [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], [837], [841], [845], [849], [853], [857], [860], [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], [1044], [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], [1148], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1320], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [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], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:21:25,644 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:21:25,645 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:21:26,556 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:21:26,556 INFO L272 AbstractInterpreter]: Visited 293 different actions 1464 times. Merged at 13 different actions 46 times. Never widened. Performed 18200 root evaluator evaluations with a maximum evaluation depth of 22. Performed 18200 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 20 fixpoints after 8 different actions. Largest state had 24 variables. [2018-11-18 13:21:26,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:21:26,558 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:21:26,558 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:21:26,558 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:21:26,564 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:21:26,564 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:21:26,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:26,775 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:21:28,004 INFO L134 CoverageAnalysis]: Checked inductivity of 8985 backedges. 1632 proven. 35 refuted. 0 times theorem prover too weak. 7318 trivial. 0 not checked. [2018-11-18 13:21:28,005 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:21:29,309 INFO L134 CoverageAnalysis]: Checked inductivity of 8985 backedges. 1665 proven. 2 refuted. 0 times theorem prover too weak. 7318 trivial. 0 not checked. [2018-11-18 13:21:29,325 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:21:29,325 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2018-11-18 13:21:29,326 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:21:29,326 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:21:29,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:21:29,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2018-11-18 13:21:29,327 INFO L87 Difference]: Start difference. First operand 30565 states and 31590 transitions. Second operand 9 states. [2018-11-18 13:21:32,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:21:32,469 INFO L93 Difference]: Finished difference Result 71695 states and 74243 transitions. [2018-11-18 13:21:32,470 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 13:21:32,470 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 2105 [2018-11-18 13:21:32,471 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:21:32,520 INFO L225 Difference]: With dead ends: 71695 [2018-11-18 13:21:32,520 INFO L226 Difference]: Without dead ends: 43192 [2018-11-18 13:21:32,547 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4235 GetRequests, 4213 SyntacticMatches, 4 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=134, Invalid=246, Unknown=0, NotChecked=0, Total=380 [2018-11-18 13:21:32,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43192 states. [2018-11-18 13:21:32,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43192 to 36722. [2018-11-18 13:21:32,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36722 states. [2018-11-18 13:21:32,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36722 states to 36722 states and 37948 transitions. [2018-11-18 13:21:32,897 INFO L78 Accepts]: Start accepts. Automaton has 36722 states and 37948 transitions. Word has length 2105 [2018-11-18 13:21:32,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:21:32,898 INFO L480 AbstractCegarLoop]: Abstraction has 36722 states and 37948 transitions. [2018-11-18 13:21:32,898 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:21:32,898 INFO L276 IsEmpty]: Start isEmpty. Operand 36722 states and 37948 transitions. [2018-11-18 13:21:32,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2542 [2018-11-18 13:21:32,938 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:21:32,938 INFO L375 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 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, 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:21:32,939 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:21:32,939 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:21:32,939 INFO L82 PathProgramCache]: Analyzing trace with hash -1971448462, now seen corresponding path program 1 times [2018-11-18 13:21:32,939 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:21:32,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:21:32,940 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:21:32,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:21:32,940 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:21:33,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:38,174 INFO L134 CoverageAnalysis]: Checked inductivity of 11630 backedges. 4167 proven. 2524 refuted. 0 times theorem prover too weak. 4939 trivial. 0 not checked. [2018-11-18 13:21:38,174 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:21:38,174 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:21:38,174 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2542 with the following transitions: [2018-11-18 13:21:38,175 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [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], [117], [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], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [728], [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], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [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], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [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], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:21:38,177 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:21:38,177 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:21:39,129 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:21:39,130 INFO L272 AbstractInterpreter]: Visited 343 different actions 1712 times. Merged at 16 different actions 56 times. Widened at 1 different actions 1 times. Performed 21708 root evaluator evaluations with a maximum evaluation depth of 22. Performed 21708 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 21 fixpoints after 9 different actions. Largest state had 24 variables. [2018-11-18 13:21:39,134 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:21:39,134 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:21:39,134 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:21:39,135 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/bin-2019/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:21:39,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:21:39,142 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:21:39,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:39,431 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:21:39,658 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 22 [2018-11-18 13:21:42,590 INFO L134 CoverageAnalysis]: Checked inductivity of 11630 backedges. 2682 proven. 5 refuted. 0 times theorem prover too weak. 8943 trivial. 0 not checked. [2018-11-18 13:21:42,590 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:21:46,242 INFO L134 CoverageAnalysis]: Checked inductivity of 11630 backedges. 2682 proven. 5 refuted. 0 times theorem prover too weak. 8943 trivial. 0 not checked. [2018-11-18 13:21:46,259 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:21:46,259 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 23 [2018-11-18 13:21:46,259 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:21:46,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-18 13:21:46,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-18 13:21:46,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=435, Unknown=0, NotChecked=0, Total=506 [2018-11-18 13:21:46,261 INFO L87 Difference]: Start difference. First operand 36722 states and 37948 transitions. Second operand 20 states. [2018-11-18 13:21:52,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:21:52,491 INFO L93 Difference]: Finished difference Result 72059 states and 74529 transitions. [2018-11-18 13:21:52,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-11-18 13:21:52,491 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 2541 [2018-11-18 13:21:52,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:21:52,538 INFO L225 Difference]: With dead ends: 72059 [2018-11-18 13:21:52,538 INFO L226 Difference]: Without dead ends: 37399 [2018-11-18 13:21:52,566 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5187 GetRequests, 5111 SyntacticMatches, 6 SemanticMatches, 70 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1385 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=951, Invalid=4161, Unknown=0, NotChecked=0, Total=5112 [2018-11-18 13:21:52,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37399 states. [2018-11-18 13:21:52,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37399 to 36843. [2018-11-18 13:21:52,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36843 states. [2018-11-18 13:21:52,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36843 states to 36843 states and 38002 transitions. [2018-11-18 13:21:52,972 INFO L78 Accepts]: Start accepts. Automaton has 36843 states and 38002 transitions. Word has length 2541 [2018-11-18 13:21:52,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:21:52,973 INFO L480 AbstractCegarLoop]: Abstraction has 36843 states and 38002 transitions. [2018-11-18 13:21:52,974 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-18 13:21:52,974 INFO L276 IsEmpty]: Start isEmpty. Operand 36843 states and 38002 transitions. [2018-11-18 13:21:53,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2660 [2018-11-18 13:21:53,022 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:21:53,022 INFO L375 BasicCegarLoop]: trace histogram [15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 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, 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, 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, 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, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:21:53,023 INFO L423 AbstractCegarLoop]: === Iteration 22 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:21:53,023 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:21:53,023 INFO L82 PathProgramCache]: Analyzing trace with hash -1150682343, now seen corresponding path program 1 times [2018-11-18 13:21:53,023 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:21:53,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:21:53,024 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:21:53,024 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:21:53,024 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:21:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:21:58,853 INFO L134 CoverageAnalysis]: Checked inductivity of 13643 backedges. 3826 proven. 4980 refuted. 0 times theorem prover too weak. 4837 trivial. 0 not checked. [2018-11-18 13:21:58,853 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:21:58,854 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:21:58,854 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2660 with the following transitions: [2018-11-18 13:21:58,854 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [431], [433], [436], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [728], [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], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1028], [1029], [1033], [1037], [1041], [1044], [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], [1148], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1320], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [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], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 13:21:58,857 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:21:58,857 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:21:59,962 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:21:59,962 INFO L272 AbstractInterpreter]: Visited 317 different actions 1578 times. Merged at 14 different actions 52 times. Widened at 1 different actions 1 times. Performed 19706 root evaluator evaluations with a maximum evaluation depth of 22. Performed 19706 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 22 fixpoints after 10 different actions. Largest state had 24 variables. [2018-11-18 13:21:59,967 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:21:59,967 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:21:59,967 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:21:59,967 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/bin-2019/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:21:59,975 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:21:59,975 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:22:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:22:00,319 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:22:02,233 INFO L134 CoverageAnalysis]: Checked inductivity of 13643 backedges. 2871 proven. 2 refuted. 0 times theorem prover too weak. 10770 trivial. 0 not checked. [2018-11-18 13:22:02,234 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:22:05,155 INFO L134 CoverageAnalysis]: Checked inductivity of 13643 backedges. 2871 proven. 2 refuted. 0 times theorem prover too weak. 10770 trivial. 0 not checked. [2018-11-18 13:22:05,171 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:22:05,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 5, 5] total 19 [2018-11-18 13:22:05,172 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:22:05,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-11-18 13:22:05,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-11-18 13:22:05,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2018-11-18 13:22:05,174 INFO L87 Difference]: Start difference. First operand 36843 states and 38002 transitions. Second operand 18 states. [2018-11-18 13:22:12,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:22:12,667 INFO L93 Difference]: Finished difference Result 69908 states and 72236 transitions. [2018-11-18 13:22:12,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2018-11-18 13:22:12,667 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 2659 [2018-11-18 13:22:12,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:22:12,671 INFO L225 Difference]: With dead ends: 69908 [2018-11-18 13:22:12,671 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:22:12,719 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5444 GetRequests, 5364 SyntacticMatches, 12 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1507 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=835, Invalid=3995, Unknown=0, NotChecked=0, Total=4830 [2018-11-18 13:22:12,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:22:12,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:22:12,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:22:12,719 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:22:12,720 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2659 [2018-11-18 13:22:12,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:22:12,720 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:22:12,720 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-11-18 13:22:12,720 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:22:12,720 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:22:12,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:22:12,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:12,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:13,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:13,313 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:13,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:13,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:13,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:14,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:14,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:14,079 WARN L180 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 721 DAG size of output: 660 [2018-11-18 13:22:14,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:14,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:14,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:14,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:14,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:14,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:14,561 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:14,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:14,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:14,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:14,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:17,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:17,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:17,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:17,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:17,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:18,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:18,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:22:18,218 WARN L180 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 763 DAG size of output: 702 [2018-11-18 13:22:22,968 WARN L180 SmtUtils]: Spent 4.72 s on a formula simplification. DAG size of input: 667 DAG size of output: 146 [2018-11-18 13:22:30,891 WARN L180 SmtUtils]: Spent 7.85 s on a formula simplification. DAG size of input: 850 DAG size of output: 208 [2018-11-18 13:22:35,494 WARN L180 SmtUtils]: Spent 4.59 s on a formula simplification. DAG size of input: 653 DAG size of output: 185 [2018-11-18 13:22:45,329 WARN L180 SmtUtils]: Spent 9.81 s on a formula simplification. DAG size of input: 868 DAG size of output: 249 [2018-11-18 13:22:50,707 WARN L180 SmtUtils]: Spent 5.37 s on a formula simplification. DAG size of input: 709 DAG size of output: 145 [2018-11-18 13:22:50,716 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:22:50,716 INFO L421 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)) [2018-11-18 13:22:50,717 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:22:50,717 INFO L425 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,717 INFO L425 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 13:22:50,717 INFO L425 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,717 INFO L425 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,717 INFO L425 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,717 INFO L425 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,717 INFO L425 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,717 INFO L425 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,717 INFO L425 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,717 INFO L425 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,717 INFO L425 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,717 INFO L425 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,717 INFO L425 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,717 INFO L425 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,717 INFO L425 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,718 INFO L425 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,718 INFO L425 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,718 INFO L425 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,718 INFO L425 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,718 INFO L425 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,718 INFO L425 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,718 INFO L425 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,718 INFO L425 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,718 INFO L425 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,718 INFO L425 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,718 INFO L425 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,718 INFO L425 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,718 INFO L425 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,718 INFO L425 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,719 INFO L421 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse26 (= 8 |old(~a16~0)|))) (let ((.cse12 (= |old(~a15~0)| ~a15~0)) (.cse7 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a18~0 |old(~a18~0)|)) (.cse8 (= |old(~a12~0)| ~a12~0)) (.cse10 (= 4 |old(~a15~0)|)) (.cse24 (= 6 |old(~a12~0)|)) (.cse20 (not .cse26)) (.cse17 (not (= 5 |old(~a12~0)|))) (.cse4 (not (= 11 |old(~a16~0)|))) (.cse3 (not (= 3 |old(~a15~0)|))) (.cse25 (<= |old(~a18~0)| 134)) (.cse21 (not (= 8 |old(~a12~0)|))) (.cse27 (+ |old(~a18~0)| 79))) (let ((.cse19 (< 6 |old(~a12~0)|)) (.cse2 (< 134 ~a18~0)) (.cse11 (= |old(~a16~0)| ~a16~0)) (.cse15 (and (or .cse3 .cse25 .cse21) (< 0 .cse27))) (.cse5 (forall ((v_prenex_54 Int)) (let ((.cse34 (mod v_prenex_54 299922))) (or (= 0 .cse34) (< (+ |old(~a18~0)| 600001) .cse34) (<= 0 v_prenex_54))))) (.cse1 (<= (+ ~a18~0 156) 0)) (.cse0 (and (or .cse20 .cse3 .cse17) (or .cse3 .cse17 (not (= (+ |old(~a18~0)| 87) 0)) .cse4))) (.cse18 (forall ((v_prenex_52 Int)) (let ((.cse31 (* 9 v_prenex_52))) (let ((.cse32 (div .cse31 10))) (let ((.cse33 (mod .cse32 38)) (.cse30 (+ .cse32 1))) (or (= (mod .cse30 38) 0) (not (= (mod .cse31 10) 0)) (<= 0 .cse32) (= .cse33 0) (< (+ |old(~a18~0)| 155) .cse33) (<= 0 .cse30))))))) (.cse23 (= 12 |old(~a16~0)|)) (.cse22 (not .cse24)) (.cse16 (not (= 9 |old(~a16~0)|))) (.cse9 (= ~a15~0 |old(~a15~0)|)) (.cse29 (not (= 7 |old(~a12~0)|))) (.cse13 (not .cse10)) (.cse14 (and .cse12 .cse7 .cse6 .cse8))) (and (or .cse0 (< 0 (+ |old(~a18~0)| 156)) (or .cse1 .cse2)) (or (or .cse3 (= 0 |old(~a12~0)|) .cse4) .cse5 (and .cse6 (and .cse7 .cse8) .cse9)) (or (< 9 |old(~a16~0)|) .cse10 (and .cse11 .cse12 .cse8)) (or .cse13 .cse14 .cse15 .cse5 .cse16) (or .cse13 .cse17 (and .cse12 .cse6 (= ~a16~0 10) .cse8) (forall ((v_~a18~0_1287 Int)) (or (<= (+ v_~a18~0_1287 156) 0) (< |old(~a18~0)| (+ (* 3 v_~a18~0_1287) 599175)))) (not (= 10 |old(~a16~0)|))) (or (and (= ~a15~0 3) .cse7 .cse8) .cse18 (or .cse3 (< |old(~a12~0)| 5) .cse19)) (or .cse13 .cse20 .cse21 .cse14) (or .cse14 .cse22 .cse16) (or .cse14 (or .cse13 (< 0 (+ |old(~a18~0)| 388559)) .cse17 .cse16)) (or .cse13 .cse19 .cse23 .cse15 .cse5 .cse14) (or .cse14 (or .cse24 .cse10 (< |old(~a16~0)| 12))) (or .cse3 .cse17 .cse4 (and (<= ~a18~0 |old(~a18~0)|) .cse12 .cse7 .cse8)) (or .cse0 .cse2 .cse25) (or (and (and (and .cse11 .cse8) .cse6) .cse9) (or .cse10 .cse15 .cse21)) (or (and .cse7 (= 6 ~a12~0) .cse6 .cse9) .cse22 (or .cse10 .cse18)) (or .cse20 .cse14 .cse22) (or .cse26 .cse3 (not (= |old(~a12~0)| 5)) .cse18 (= 0 |old(~a16~0)|) .cse6) (or .cse23 .cse14 .cse5 .cse22) (or (or .cse1 (< 0 (+ ~a18~0 79))) .cse0 (<= .cse27 0)) (or .cse14 (or .cse10 .cse21 (forall ((v_prenex_54 Int)) (let ((.cse28 (mod v_prenex_54 299922))) (or (< |old(~a18~0)| (+ .cse28 150)) (= 0 .cse28) (<= 0 v_prenex_54)))))) (or .cse13 .cse20 .cse18 .cse14 (not (= 9 |old(~a12~0)|))) (or (and .cse8 .cse7 .cse6 .cse9) (or .cse18 (or .cse13 .cse29 .cse16))) (or .cse23 .cse14 .cse10 .cse22) (or (or (< (+ |old(~a18~0)| 600016) 0) (or .cse13 (or .cse21 .cse16))) (and (and (= 9 ~a16~0) .cse8) .cse6 .cse9)) (or .cse13 .cse20 .cse29 .cse14) (or .cse13 .cse14 (or .cse20 .cse17)))))) [2018-11-18 13:22:50,719 INFO L425 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,719 INFO L425 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,719 INFO L425 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,719 INFO L425 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,719 INFO L425 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,719 INFO L425 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,719 INFO L425 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,719 INFO L425 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 13:22:50,719 INFO L425 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,720 INFO L425 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,720 INFO L425 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,720 INFO L425 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,720 INFO L425 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,720 INFO L425 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,720 INFO L425 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,720 INFO L425 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,720 INFO L425 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-18 13:22:50,720 INFO L425 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,720 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,720 INFO L425 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,720 INFO L425 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,720 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,720 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,720 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,720 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,721 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,721 INFO L425 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,721 INFO L425 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,721 INFO L425 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,721 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,721 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 13:22:50,721 INFO L425 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,721 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 13:22:50,721 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 13:22:50,722 INFO L421 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse8 (= 4 |old(~a15~0)|)) (.cse13 (= 6 |old(~a12~0)|)) (.cse5 (not (= 8 |old(~a16~0)|))) (.cse28 (not (= 5 |old(~a12~0)|))) (.cse23 (not (= 11 |old(~a16~0)|))) (.cse40 (+ ~a18~0 156)) (.cse21 (not (= 3 |old(~a15~0)|))) (.cse41 (<= |old(~a18~0)| 134)) (.cse6 (not (= 8 |old(~a12~0)|))) (.cse42 (+ |old(~a18~0)| 79)) (.cse30 (<= ~a16~0 9)) (.cse0 (= |old(~a16~0)| ~a16~0)) (.cse39 (not (= ~a15~0 3))) (.cse32 (= |old(~a15~0)| ~a15~0)) (.cse43 (not (= ~a15~0 4))) (.cse29 (not (= calculate_output_~input 0))) (.cse10 (= ~a16~0 |old(~a16~0)|)) (.cse1 (= |old(~a12~0)| ~a12~0)) (.cse2 (= ~a18~0 |old(~a18~0)|)) (.cse3 (= ~a15~0 |old(~a15~0)|))) (let ((.cse14 (< |old(~a16~0)| 12)) (.cse12 (= 9 ~a16~0)) (.cse19 (and (and .cse29 .cse10 .cse1) .cse2 .cse3)) (.cse22 (= 0 |old(~a12~0)|)) (.cse18 (forall ((v_prenex_54 Int)) (let ((.cse48 (mod v_prenex_54 299922))) (or (= 0 .cse48) (< (+ |old(~a18~0)| 600001) .cse48) (<= 0 v_prenex_54))))) (.cse38 (and .cse32 .cse43)) (.cse7 (and (not (= ~a12~0 6)) .cse43 .cse30 .cse0 (or (not (= 5 ~a12~0)) (not (= 8 ~a16~0)) .cse39) .cse32 .cse1)) (.cse17 (and (or .cse21 .cse41 .cse6) (< 0 .cse42))) (.cse36 (< 134 ~a18~0)) (.cse37 (< 9 |old(~a16~0)|)) (.cse31 (= ~a12~0 5)) (.cse35 (<= .cse40 0)) (.cse34 (and (or .cse5 .cse21 .cse28) (or .cse21 .cse28 (not (= (+ |old(~a18~0)| 87) 0)) .cse23))) (.cse27 (= 12 |old(~a16~0)|)) (.cse33 (not (= 7 |old(~a12~0)|))) (.cse11 (not (= 9 |old(~a16~0)|))) (.cse15 (and .cse1 .cse10 .cse2 .cse3)) (.cse20 (forall ((v_prenex_52 Int)) (let ((.cse45 (* 9 v_prenex_52))) (let ((.cse46 (div .cse45 10))) (let ((.cse47 (mod .cse46 38)) (.cse44 (+ .cse46 1))) (or (= (mod .cse44 38) 0) (not (= (mod .cse45 10) 0)) (<= 0 .cse46) (= .cse47 0) (< (+ |old(~a18~0)| 155) .cse47) (<= 0 .cse44))))))) (.cse25 (not .cse13)) (.cse26 (and .cse32 .cse13 .cse43 .cse10 .cse30 .cse1)) (.cse24 (= |calculate_output_#in~input| 0)) (.cse4 (not .cse8)) (.cse16 (and .cse32 .cse10 .cse2 .cse1))) (and (or (and (and .cse0 .cse1) .cse2 .cse3) (or .cse4 .cse5 .cse6)) (or .cse7 (or .cse8 .cse6 (forall ((v_prenex_54 Int)) (let ((.cse9 (mod v_prenex_54 299922))) (or (< |old(~a18~0)| (+ .cse9 150)) (= 0 .cse9) (<= 0 v_prenex_54))))) (and (and (and .cse10 .cse1) .cse2) .cse3)) (or (or (< (+ |old(~a18~0)| 600016) 0) (or .cse4 (or .cse6 .cse11))) (and (and (= 4 ~a15~0) .cse12 .cse1) .cse2)) (or (or .cse13 .cse8 .cse14) .cse15) (or .cse4 .cse16 .cse17 .cse18 .cse11) (or .cse19 .cse20 (or .cse13 .cse21 .cse22 .cse23 .cse24)) (or .cse16 .cse25 .cse26 .cse11) (or .cse4 .cse16 .cse27 .cse20 .cse25) (or (or .cse21 .cse28 .cse14 .cse24) .cse29) (or (and .cse10 .cse30) .cse21 .cse28 (and .cse29 .cse10 .cse2 .cse31 .cse32) .cse24 .cse20) (or (and .cse2 (and .cse12 .cse1) .cse3) (or .cse20 (or .cse4 .cse33 .cse11))) (or (< 0 (+ |old(~a18~0)| 156)) .cse24 .cse34 (or .cse35 .cse36)) (or .cse37 .cse21 .cse28 (= 0 |old(~a16~0)|) .cse29 .cse24) (or .cse19 .cse18 (or .cse21 .cse17 .cse22 .cse23 .cse24)) (or .cse4 .cse16 (< 6 |old(~a12~0)|) .cse27 .cse17 .cse18) (or .cse5 .cse38 .cse25 .cse16) (or .cse5 .cse38 .cse20 (not (= 9 |old(~a12~0)|)) .cse16) (or (or .cse36 (not (= calculate_output_~input 1))) .cse25 .cse26 .cse11) (or (and (and (and (or (not (= 11 ~a16~0)) (not (= calculate_output_~input 3)) .cse39 (< 0 .cse40)) .cse0 .cse1) .cse2) .cse3) .cse6 .cse8 .cse7 .cse17) (or .cse36 .cse24 .cse34 .cse41) (or .cse37 (and .cse32 .cse10 .cse1) .cse8) (or .cse4 .cse28 (forall ((v_~a18~0_1287 Int)) (or (<= (+ v_~a18~0_1287 156) 0) (< |old(~a18~0)| (+ (* 3 v_~a18~0_1287) 599175)))) (and .cse2 (= ~a16~0 10) .cse31 (not (= 2 calculate_output_~input)) .cse32) (not (= 10 |old(~a16~0)|))) (or .cse21 .cse28 .cse23 .cse24 (and (<= ~a18~0 |old(~a18~0)|) .cse32 .cse29 .cse10 .cse1)) (or (or .cse35 (< 0 (+ ~a18~0 79))) (<= .cse42 0) .cse24 .cse34) (or .cse27 .cse8 .cse25 .cse26 .cse16) (or .cse16 (or .cse4 .cse5 .cse33)) (or (or .cse4 (< 0 (+ |old(~a18~0)| 388559)) .cse28 .cse11) .cse15) (or .cse8 .cse20 .cse16 .cse25 .cse26) (or .cse29 (or .cse21 .cse6 .cse23 .cse24)) (or .cse4 .cse16 (or .cse5 .cse28))))) [2018-11-18 13:22:50,722 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,722 INFO L425 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-18 13:22:50,722 INFO L425 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,722 INFO L425 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,722 INFO L425 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,722 INFO L425 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,722 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,722 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,722 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,722 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 13:22:50,722 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 13:22:50,722 INFO L425 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,722 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 13:22:50,723 INFO L425 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,723 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,723 INFO L425 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,723 INFO L425 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,723 INFO L425 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,723 INFO L425 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,723 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,723 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,723 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,723 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,723 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,723 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,723 INFO L425 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,723 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,723 INFO L425 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,723 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 13:22:50,723 INFO L425 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,724 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 13:22:50,724 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 13:22:50,724 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,724 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,724 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,724 INFO L425 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,724 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,724 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,724 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,724 INFO L425 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,724 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,724 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,724 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 13:22:50,724 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 13:22:50,724 INFO L425 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,724 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 13:22:50,724 INFO L425 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,725 INFO L425 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,725 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,725 INFO L425 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,725 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,725 INFO L425 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,725 INFO L425 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,725 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,725 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,725 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,725 INFO L425 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,725 INFO L425 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,725 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 13:22:50,725 INFO L425 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,725 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 13:22:50,725 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 13:22:50,725 INFO L425 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,725 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,726 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,726 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,726 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,726 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,726 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,726 INFO L425 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,726 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,726 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,726 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,726 INFO L425 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,726 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 13:22:50,726 INFO L425 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,726 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 13:22:50,726 INFO L425 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,726 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 13:22:50,726 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,727 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,727 INFO L425 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,727 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,727 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,727 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,727 INFO L425 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,727 INFO L425 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,727 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,727 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,727 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,727 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,727 INFO L425 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,727 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 13:22:50,727 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 13:22:50,727 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 13:22:50,727 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,728 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,728 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,728 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,728 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,728 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,728 INFO L425 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,728 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,728 INFO L425 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,728 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,728 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,728 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 118) no Hoare annotation was computed. [2018-11-18 13:22:50,728 INFO L425 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,728 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 13:22:50,728 INFO L425 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,728 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 13:22:50,728 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 13:22:50,729 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,729 INFO L425 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,729 INFO L425 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,729 INFO L425 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,729 INFO L425 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,729 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,729 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse13 (= |old(~a15~0)| ~a15~0)) (.cse5 (= ~a16~0 |old(~a16~0)|)) (.cse4 (= ~a18~0 |old(~a18~0)|)) (.cse6 (= |old(~a12~0)| ~a12~0)) (.cse11 (= 4 |old(~a15~0)|)) (.cse21 (not (= 3 |old(~a15~0)|))) (.cse8 (not (= 8 |old(~a12~0)|))) (.cse10 (= 6 |old(~a12~0)|))) (let ((.cse12 (= |old(~a16~0)| ~a16~0)) (.cse16 (= 12 |old(~a16~0)|)) (.cse15 (forall ((v_prenex_54 Int)) (let ((.cse28 (mod v_prenex_54 299922))) (or (= 0 .cse28) (< (+ |old(~a18~0)| 600001) .cse28) (<= 0 v_prenex_54))))) (.cse17 (not .cse10)) (.cse3 (not (= 7 |old(~a12~0)|))) (.cse9 (not (= 9 |old(~a16~0)|))) (.cse7 (= ~a15~0 |old(~a15~0)|)) (.cse23 (not (= 11 |old(~a16~0)|))) (.cse14 (and (or .cse21 (<= |old(~a18~0)| 134) .cse8) (< 0 (+ |old(~a18~0)| 79)))) (.cse0 (not .cse11)) (.cse1 (not (= 8 |old(~a16~0)|))) (.cse22 (not (= 5 |old(~a12~0)|))) (.cse2 (and .cse13 .cse5 .cse4 .cse6)) (.cse20 (= |calculate_output_#in~input| 0)) (.cse18 (forall ((v_prenex_52 Int)) (let ((.cse25 (* 9 v_prenex_52))) (let ((.cse26 (div .cse25 10))) (let ((.cse27 (mod .cse26 38)) (.cse24 (+ .cse26 1))) (or (= (mod .cse24 38) 0) (not (= (mod .cse25 10) 0)) (<= 0 .cse26) (= .cse27 0) (< (+ |old(~a18~0)| 155) .cse27) (<= 0 .cse24)))))))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 (and .cse5 .cse6) .cse7) (or (< (+ |old(~a18~0)| 600016) 0) (or .cse0 (or .cse8 .cse9)))) (or (or .cse10 .cse11 (< |old(~a16~0)| 12)) (and .cse12 .cse4 .cse13 .cse6)) (or .cse0 .cse2 .cse14 .cse15 .cse9) (or (< 9 |old(~a16~0)|) .cse11 (and .cse12 .cse13 .cse6)) (or .cse16 .cse11 .cse2 .cse17) (or (and .cse6 .cse5 .cse4 .cse7) (or .cse11 .cse18) .cse17) (or .cse0 .cse1 .cse2 .cse8) (or .cse0 .cse2 .cse1 .cse18 (not (= 9 |old(~a12~0)|))) (or .cse2 (or .cse11 .cse8 (forall ((v_prenex_54 Int)) (let ((.cse19 (mod v_prenex_54 299922))) (or (< |old(~a18~0)| (+ .cse19 150)) (= 0 .cse19) (<= 0 v_prenex_54)))))) (or .cse16 .cse18 .cse17 .cse2) (or (< 0 (+ |old(~a18~0)| 156)) .cse20 (or .cse1 .cse21 .cse22) (or (<= (+ ~a18~0 156) 0) (< 134 ~a18~0))) (or .cse2 .cse15 (or .cse21 (= 0 |old(~a12~0)|) .cse23 .cse20)) (or .cse2 .cse17 .cse9) (or .cse2 (or .cse0 (< 0 (+ |old(~a18~0)| 388559)) .cse22 .cse9)) (or .cse0 (< 6 |old(~a12~0)|) .cse16 .cse14 .cse15 .cse2) (or .cse1 .cse17 .cse2) (or (or .cse18 (or .cse0 .cse3 .cse9)) (and (and .cse5 .cse4 .cse6) .cse7)) (or .cse21 .cse22 .cse23 .cse20 (and (<= ~a18~0 |old(~a18~0)|) .cse13 .cse5 .cse6)) (or .cse0 .cse22 (forall ((v_~a18~0_1287 Int)) (or (<= (+ v_~a18~0_1287 156) 0) (< |old(~a18~0)| (+ (* 3 v_~a18~0_1287) 599175)))) (and .cse13 .cse4 (= ~a16~0 10) .cse6) (not (= 10 |old(~a16~0)|))) (or .cse11 .cse14 .cse2 .cse8) (or .cse0 .cse2 (or .cse1 .cse22)) (or .cse21 (not (= |old(~a12~0)| 5)) .cse2 .cse20 .cse18 (= 0 |old(~a16~0)|))))) [2018-11-18 13:22:50,729 INFO L425 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,730 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,730 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,730 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,730 INFO L425 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,730 INFO L425 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,730 INFO L425 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,730 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,730 INFO L425 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,730 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 13:22:50,730 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 13:22:50,730 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 13:22:50,730 INFO L425 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,730 INFO L425 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,730 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,730 INFO L425 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,730 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,730 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,731 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,731 INFO L425 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,731 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,731 INFO L425 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,731 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,731 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 13:22:50,731 INFO L425 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,731 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 13:22:50,731 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 13:22:50,731 INFO L425 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,731 INFO L425 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,731 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,731 INFO L425 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,731 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,731 INFO L425 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,731 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,731 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,732 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,732 INFO L425 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,732 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,732 INFO L425 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,732 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 13:22:50,732 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 13:22:50,732 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 13:22:50,732 INFO L425 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,732 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,732 INFO L425 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,732 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,732 INFO L425 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,732 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,732 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,732 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,732 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,732 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,733 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,733 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,733 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 13:22:50,733 INFO L425 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,733 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 13:22:50,733 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 13:22:50,733 INFO L425 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,733 INFO L425 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,733 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,733 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,733 INFO L425 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,733 INFO L425 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,733 INFO L425 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,733 INFO L425 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,733 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,733 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,734 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,734 INFO L425 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,734 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-18 13:22:50,734 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 13:22:50,734 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 13:22:50,734 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,734 INFO L425 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,734 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,734 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,734 INFO L425 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,734 INFO L425 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,734 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,734 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,734 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,734 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,734 INFO L425 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,735 INFO L425 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,735 INFO L425 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,735 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 13:22:50,735 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 13:22:50,735 INFO L425 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,735 INFO L425 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,735 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,735 INFO L425 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,735 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,735 INFO L425 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,735 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,735 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,735 INFO L425 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,735 INFO L425 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,735 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 13:22:50,735 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 13:22:50,735 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,736 INFO L425 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,736 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,736 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,736 INFO L425 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,736 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,736 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,736 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,736 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,736 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,736 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,736 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,736 INFO L425 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,736 INFO L425 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,736 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 13:22:50,736 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 13:22:50,737 INFO L425 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,737 INFO L425 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,737 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,737 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,737 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,737 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,737 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,737 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,737 INFO L425 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,737 INFO L425 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,737 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 13:22:50,737 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 13:22:50,737 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,737 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,737 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,737 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,737 INFO L425 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,738 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,738 INFO L425 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,738 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,738 INFO L425 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,738 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,738 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,738 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,738 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,738 INFO L425 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,738 INFO L425 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,738 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 13:22:50,738 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 13:22:50,738 INFO L425 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,738 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,738 INFO L425 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,738 INFO L425 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,738 INFO L425 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,739 INFO L425 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,739 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,739 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,739 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-18 13:22:50,739 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,739 INFO L425 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,739 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,739 INFO L425 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,739 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 13:22:50,739 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 13:22:50,739 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 13:22:50,739 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,739 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,739 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,739 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,739 INFO L425 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,740 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,740 INFO L425 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,740 INFO L425 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,740 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,740 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,740 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,740 INFO L425 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,740 INFO L425 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,740 INFO L425 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,740 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 13:22:50,740 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 13:22:50,740 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 13:22:50,740 INFO L425 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,740 INFO L425 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,740 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,740 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,740 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,740 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,741 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,741 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,741 INFO L425 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,741 INFO L425 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,741 INFO L425 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,741 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,741 INFO L425 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,741 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,741 INFO L425 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,741 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 13:22:50,741 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 13:22:50,741 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 13:22:50,741 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,741 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,741 INFO L425 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,741 INFO L425 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,741 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,742 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,742 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,742 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,742 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 13:22:50,742 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 13:22:50,742 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 13:22:50,742 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 13:22:50,742 INFO L425 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,742 INFO L425 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,742 INFO L425 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-18 13:22:50,742 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:22:50,742 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 (+ ~a18~0 87))) (and (<= .cse0 0) (<= 0 .cse0) (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5))) [2018-11-18 13:22:50,742 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:22:50,742 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:22:50,742 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (and (= ~a16~0 |old(~a16~0)|) (= ~a12~0 5) (= |old(~a18~0)| ~a18~0) (= |old(~a15~0)| ~a15~0)) (not (= (+ |old(~a18~0)| 87) 0))) [2018-11-18 13:22:50,743 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 13:22:50,743 INFO L421 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse0 (= 8 ~a12~0)) (.cse12 (= ~a15~0 3))) (let ((.cse14 (= ~a16~0 11)) (.cse11 (not (= main_~input~0 0))) (.cse9 (or (<= (+ ~a18~0 79) 0) (and .cse0 .cse12 (< 134 ~a18~0)))) (.cse17 (= 7 ~a12~0)) (.cse19 (+ |old(~a18~0)| 87)) (.cse7 (exists ((v_prenex_54 Int)) (let ((.cse24 (mod v_prenex_54 299922))) (and (not (= 0 .cse24)) (< v_prenex_54 0) (<= .cse24 (+ ~a18~0 600001)))))) (.cse3 (= 6 ~a12~0)) (.cse10 (not (= ~a16~0 12))) (.cse5 (= 5 ~a12~0)) (.cse8 (= 4 ~a15~0)) (.cse13 (= ~a12~0 5)) (.cse6 (= 9 ~a16~0)) (.cse16 (= ~a12~0 6)) (.cse4 (= 8 ~a16~0)) (.cse15 (<= 12 ~a16~0)) (.cse1 (not (= ~a15~0 4))) (.cse18 (exists ((v_prenex_52 Int)) (let ((.cse20 (* 9 v_prenex_52))) (let ((.cse23 (div .cse20 10))) (let ((.cse22 (+ .cse23 1)) (.cse21 (mod .cse23 38))) (and (= (mod .cse20 10) 0) (not (= .cse21 0)) (not (= (mod .cse22 38) 0)) (< .cse23 0) (< .cse22 0) (<= .cse21 (+ ~a18~0 155))))))))) (or (and (and .cse0 .cse1) (exists ((v_prenex_54 Int)) (let ((.cse2 (mod v_prenex_54 299922))) (and (not (= 0 .cse2)) (<= (+ .cse2 150) ~a18~0) (< v_prenex_54 0))))) (not (= 11 |old(~a16~0)|)) (not (= 3 |old(~a15~0)|)) (and .cse3 .cse4) (and .cse5 (<= (+ ~a18~0 388559) 0) .cse6) (and .cse7 .cse8 .cse9 .cse10 (<= ~a12~0 6)) (and .cse11 .cse12 .cse13 .cse14) (and .cse15 (not .cse16) .cse1) (and .cse1 (<= ~a16~0 9)) (not (= 5 |old(~a12~0)|)) (and .cse4 .cse17) (and .cse7 (and .cse11 .cse14 .cse12 (not (= ~a12~0 0)))) (and .cse11 .cse12 .cse18 (= |old(~a12~0)| ~a12~0)) (and .cse7 .cse9 .cse6) (< 0 .cse19) (and .cse3 .cse1 .cse10) (and .cse0 .cse1 .cse9) (and (and .cse17 .cse6) .cse18) (< .cse19 0) (and .cse4 .cse0) (and (and .cse6 .cse0) (<= 0 (+ ~a18~0 600016))) (and .cse7 .cse3 .cse10) (and .cse4 .cse5) (and .cse8 .cse13 (= ~a16~0 10) (exists ((v_~a18~0_1287 Int)) (and (< 0 (+ v_~a18~0_1287 156)) (<= (+ (* 3 v_~a18~0_1287) 599175) ~a18~0)))) (and .cse6 .cse16) (and .cse4 (= ~a12~0 9) .cse18) (and (and .cse15 .cse1) .cse18)))) [2018-11-18 13:22:50,743 INFO L425 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-18 13:22:50,743 INFO L425 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-18 13:22:50,743 INFO L425 ceAbstractionStarter]: For program point L1773-1(lines 1773 1782) no Hoare annotation was computed. [2018-11-18 13:22:50,744 INFO L421 ceAbstractionStarter]: At program point L1773-3(lines 1773 1782) the Hoare annotation is: (let ((.cse12 (not (= ~a16~0 12))) (.cse19 (= ~a12~0 5)) (.cse0 (= 8 ~a12~0)) (.cse17 (= ~a15~0 3))) (let ((.cse3 (= ~a16~0 11)) (.cse11 (or (<= (+ ~a18~0 79) 0) (and .cse0 .cse17 (< 134 ~a18~0)))) (.cse15 (= 7 ~a12~0)) (.cse16 (+ |old(~a18~0)| 87)) (.cse4 (and (not (= ~a16~0 0)) .cse17 .cse12 .cse19)) (.cse9 (exists ((v_prenex_54 Int)) (let ((.cse24 (mod v_prenex_54 299922))) (and (not (= 0 .cse24)) (< v_prenex_54 0) (<= .cse24 (+ ~a18~0 600001)))))) (.cse5 (= 6 ~a12~0)) (.cse7 (= 5 ~a12~0)) (.cse10 (= 4 ~a15~0)) (.cse8 (= 9 ~a16~0)) (.cse14 (= ~a12~0 6)) (.cse6 (= 8 ~a16~0)) (.cse13 (<= 12 ~a16~0)) (.cse1 (not (= ~a15~0 4))) (.cse18 (exists ((v_prenex_52 Int)) (let ((.cse20 (* 9 v_prenex_52))) (let ((.cse23 (div .cse20 10))) (let ((.cse22 (+ .cse23 1)) (.cse21 (mod .cse23 38))) (and (= (mod .cse20 10) 0) (not (= .cse21 0)) (not (= (mod .cse22 38) 0)) (< .cse23 0) (< .cse22 0) (<= .cse21 (+ ~a18~0 155))))))))) (or (and (and .cse0 .cse1) (exists ((v_prenex_54 Int)) (let ((.cse2 (mod v_prenex_54 299922))) (and (not (= 0 .cse2)) (<= (+ .cse2 150) ~a18~0) (< v_prenex_54 0))))) (not (= 11 |old(~a16~0)|)) (and .cse3 .cse4) (not (= 3 |old(~a15~0)|)) (and .cse5 .cse6) (and .cse7 (<= (+ ~a18~0 388559) 0) .cse8) (and .cse9 .cse10 .cse11 .cse12 (<= ~a12~0 6)) (and .cse13 (not .cse14) .cse1) (and .cse1 (<= ~a16~0 9)) (not (= 5 |old(~a12~0)|)) (and .cse6 .cse15) (and .cse9 .cse11 .cse8) (< 0 .cse16) (and .cse5 .cse1 .cse12) (and .cse9 (and .cse3 .cse17 (not (= ~a12~0 0)))) (and .cse0 .cse1 .cse11) (and (and .cse15 .cse8) .cse18) (< .cse16 0) (and .cse6 .cse0) (and (and .cse8 .cse0) (<= 0 (+ ~a18~0 600016))) (and .cse4 .cse18) (and .cse9 .cse5 .cse12) (and .cse6 .cse7) (and .cse10 .cse19 (= ~a16~0 10) (exists ((v_~a18~0_1287 Int)) (and (< 0 (+ v_~a18~0_1287 156)) (<= (+ (* 3 v_~a18~0_1287) 599175) ~a18~0)))) (and .cse8 .cse14) (and .cse6 (= ~a12~0 9) .cse18) (and (and .cse13 .cse1) .cse18)))) [2018-11-18 13:22:50,744 INFO L425 ceAbstractionStarter]: For program point L1773-4(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 13:22:50,748 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,749 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,749 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,749 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,750 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,750 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,750 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,750 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,751 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,751 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,751 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,751 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,751 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,752 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,753 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,753 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,753 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,753 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,753 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,753 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,754 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,754 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,754 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,754 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] [2018-11-18 13:22:50,754 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] [2018-11-18 13:22:50,754 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,754 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,755 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,755 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,755 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,755 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,755 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,755 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,755 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,756 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,756 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,756 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,764 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,764 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,764 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,765 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,765 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,765 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,765 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,765 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,766 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,766 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,766 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,766 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,766 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,767 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,767 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,767 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,767 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,767 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,767 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,768 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,768 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,768 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,768 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,768 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,768 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,769 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,769 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,769 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] [2018-11-18 13:22:50,769 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] [2018-11-18 13:22:50,769 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,769 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,769 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,770 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,770 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,770 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,770 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,770 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,770 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,770 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,771 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,771 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:22:50 BoogieIcfgContainer [2018-11-18 13:22:50,773 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:22:50,773 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:22:50,774 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:22:50,774 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:22:50,774 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:14:04" (3/4) ... [2018-11-18 13:22:50,777 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:22:50,782 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:22:50,782 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-18 13:22:50,782 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 13:22:50,782 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:22:50,798 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 13:22:50,800 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 13:22:50,823 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((8 == a12 && !(a15 == 4)) && (\exists v_prenex_54 : int :: (!(0 == v_prenex_54 % 299922) && v_prenex_54 % 299922 + 150 <= a18) && v_prenex_54 < 0)) || !(11 == \old(a16))) || (a16 == 11 && ((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5)) || !(3 == \old(a15))) || (6 == a12 && 8 == a16)) || ((5 == a12 && a18 + 388559 <= 0) && 9 == a16)) || (((((\exists v_prenex_54 : int :: (!(0 == v_prenex_54 % 299922) && v_prenex_54 < 0) && v_prenex_54 % 299922 <= a18 + 600001) && 4 == a15) && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && !(a16 == 12)) && a12 <= 6)) || ((12 <= a16 && !(a12 == 6)) && !(a15 == 4))) || (!(a15 == 4) && a16 <= 9)) || !(5 == \old(a12))) || (8 == a16 && 7 == a12)) || (((\exists v_prenex_54 : int :: (!(0 == v_prenex_54 % 299922) && v_prenex_54 < 0) && v_prenex_54 % 299922 <= a18 + 600001) && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 9 == a16)) || 0 < \old(a18) + 87) || ((6 == a12 && !(a15 == 4)) && !(a16 == 12))) || ((\exists v_prenex_54 : int :: (!(0 == v_prenex_54 % 299922) && v_prenex_54 < 0) && v_prenex_54 % 299922 <= a18 + 600001) && (a16 == 11 && a15 == 3) && !(a12 == 0))) || ((8 == a12 && !(a15 == 4)) && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18)))) || ((7 == a12 && 9 == a16) && (\exists v_prenex_52 : int :: ((((9 * v_prenex_52 % 10 == 0 && !(9 * v_prenex_52 / 10 % 38 == 0)) && !((9 * v_prenex_52 / 10 + 1) % 38 == 0)) && 9 * v_prenex_52 / 10 < 0) && 9 * v_prenex_52 / 10 + 1 < 0) && 9 * v_prenex_52 / 10 % 38 <= a18 + 155))) || \old(a18) + 87 < 0) || (8 == a16 && 8 == a12)) || ((9 == a16 && 8 == a12) && 0 <= a18 + 600016)) || ((((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5) && (\exists v_prenex_52 : int :: ((((9 * v_prenex_52 % 10 == 0 && !(9 * v_prenex_52 / 10 % 38 == 0)) && !((9 * v_prenex_52 / 10 + 1) % 38 == 0)) && 9 * v_prenex_52 / 10 < 0) && 9 * v_prenex_52 / 10 + 1 < 0) && 9 * v_prenex_52 / 10 % 38 <= a18 + 155))) || (((\exists v_prenex_54 : int :: (!(0 == v_prenex_54 % 299922) && v_prenex_54 < 0) && v_prenex_54 % 299922 <= a18 + 600001) && 6 == a12) && !(a16 == 12))) || (8 == a16 && 5 == a12)) || (((4 == a15 && a12 == 5) && a16 == 10) && (\exists v_~a18~0_1287 : int :: 0 < v_~a18~0_1287 + 156 && 3 * v_~a18~0_1287 + 599175 <= a18))) || (9 == a16 && a12 == 6)) || ((8 == a16 && a12 == 9) && (\exists v_prenex_52 : int :: ((((9 * v_prenex_52 % 10 == 0 && !(9 * v_prenex_52 / 10 % 38 == 0)) && !((9 * v_prenex_52 / 10 + 1) % 38 == 0)) && 9 * v_prenex_52 / 10 < 0) && 9 * v_prenex_52 / 10 + 1 < 0) && 9 * v_prenex_52 / 10 % 38 <= a18 + 155))) || ((12 <= a16 && !(a15 == 4)) && (\exists v_prenex_52 : int :: ((((9 * v_prenex_52 % 10 == 0 && !(9 * v_prenex_52 / 10 % 38 == 0)) && !((9 * v_prenex_52 / 10 + 1) % 38 == 0)) && 9 * v_prenex_52 / 10 < 0) && 9 * v_prenex_52 / 10 + 1 < 0) && 9 * v_prenex_52 / 10 % 38 <= a18 + 155)) [2018-11-18 13:22:50,984 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ca331c0b-e807-4e65-996a-8d43fa5a036b/bin-2019/utaipan/witness.graphml [2018-11-18 13:22:50,984 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:22:50,985 INFO L168 Benchmark]: Toolchain (without parser) took 528233.74 ms. Allocated memory was 1.0 GB in the beginning and 5.4 GB in the end (delta: 4.3 GB). Free memory was 951.2 MB in the beginning and 3.8 GB in the end (delta: -2.8 GB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-11-18 13:22:50,986 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:22:50,986 INFO L168 Benchmark]: CACSL2BoogieTranslator took 652.71 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 878.7 MB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:22:50,986 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 878.7 MB in the beginning and 1.1 GB in the end (delta: -250.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:22:50,987 INFO L168 Benchmark]: Boogie Preprocessor took 74.18 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 13:22:50,987 INFO L168 Benchmark]: RCFGBuilder took 1336.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 872.4 MB in the end (delta: 245.9 MB). Peak memory consumption was 245.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:22:50,987 INFO L168 Benchmark]: TraceAbstraction took 525849.00 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 872.4 MB in the beginning and 3.8 GB in the end (delta: -3.0 GB). Peak memory consumption was 4.9 GB. Max. memory is 11.5 GB. [2018-11-18 13:22:50,987 INFO L168 Benchmark]: Witness Printer took 211.09 ms. Allocated memory is still 5.4 GB. Free memory was 3.8 GB in the beginning and 3.8 GB in the end (delta: 79.9 MB). Peak memory consumption was 79.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:22:50,990 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 652.71 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 878.7 MB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 106.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 878.7 MB in the beginning and 1.1 GB in the end (delta: -250.3 MB). Peak memory consumption was 26.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 74.18 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1336.78 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 872.4 MB in the end (delta: 245.9 MB). Peak memory consumption was 245.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 525849.00 ms. Allocated memory was 1.2 GB in the beginning and 5.4 GB in the end (delta: 4.2 GB). Free memory was 872.4 MB in the beginning and 3.8 GB in the end (delta: -3.0 GB). Peak memory consumption was 4.9 GB. Max. memory is 11.5 GB. * Witness Printer took 211.09 ms. Allocated memory is still 5.4 GB. Free memory was 3.8 GB in the beginning and 3.8 GB in the end (delta: 79.9 MB). Peak memory consumption was 79.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 118]: 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 [2018-11-18 13:22:50,994 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,994 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,994 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,994 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,995 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,995 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,995 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,995 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,995 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,996 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,996 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,996 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,996 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,996 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,996 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,997 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,997 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,997 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,997 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,997 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,998 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:50,999 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] [2018-11-18 13:22:50,999 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] [2018-11-18 13:22:50,999 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,999 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,999 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,999 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,999 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:50,999 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,000 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,000 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,000 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,000 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,000 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,000 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,001 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:51,001 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:51,002 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:51,002 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:51,002 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:51,002 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:51,003 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:51,003 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:51,003 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:51,003 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:51,003 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:51,003 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:51,004 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,004 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,004 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,004 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,004 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,004 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,005 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,005 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,005 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,005 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,005 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,005 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,005 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:51,006 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:51,006 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_54,QUANTIFIED] [2018-11-18 13:22:51,006 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] [2018-11-18 13:22:51,006 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1287,QUANTIFIED] [2018-11-18 13:22:51,006 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,006 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,006 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,006 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,007 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,007 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,007 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,007 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,007 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,007 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,007 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] [2018-11-18 13:22:51,007 WARN L387 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_52,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((((((((8 == a12 && !(a15 == 4)) && (\exists v_prenex_54 : int :: (!(0 == v_prenex_54 % 299922) && v_prenex_54 % 299922 + 150 <= a18) && v_prenex_54 < 0)) || !(11 == \old(a16))) || (a16 == 11 && ((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5)) || !(3 == \old(a15))) || (6 == a12 && 8 == a16)) || ((5 == a12 && a18 + 388559 <= 0) && 9 == a16)) || (((((\exists v_prenex_54 : int :: (!(0 == v_prenex_54 % 299922) && v_prenex_54 < 0) && v_prenex_54 % 299922 <= a18 + 600001) && 4 == a15) && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && !(a16 == 12)) && a12 <= 6)) || ((12 <= a16 && !(a12 == 6)) && !(a15 == 4))) || (!(a15 == 4) && a16 <= 9)) || !(5 == \old(a12))) || (8 == a16 && 7 == a12)) || (((\exists v_prenex_54 : int :: (!(0 == v_prenex_54 % 299922) && v_prenex_54 < 0) && v_prenex_54 % 299922 <= a18 + 600001) && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 9 == a16)) || 0 < \old(a18) + 87) || ((6 == a12 && !(a15 == 4)) && !(a16 == 12))) || ((\exists v_prenex_54 : int :: (!(0 == v_prenex_54 % 299922) && v_prenex_54 < 0) && v_prenex_54 % 299922 <= a18 + 600001) && (a16 == 11 && a15 == 3) && !(a12 == 0))) || ((8 == a12 && !(a15 == 4)) && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18)))) || ((7 == a12 && 9 == a16) && (\exists v_prenex_52 : int :: ((((9 * v_prenex_52 % 10 == 0 && !(9 * v_prenex_52 / 10 % 38 == 0)) && !((9 * v_prenex_52 / 10 + 1) % 38 == 0)) && 9 * v_prenex_52 / 10 < 0) && 9 * v_prenex_52 / 10 + 1 < 0) && 9 * v_prenex_52 / 10 % 38 <= a18 + 155))) || \old(a18) + 87 < 0) || (8 == a16 && 8 == a12)) || ((9 == a16 && 8 == a12) && 0 <= a18 + 600016)) || ((((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5) && (\exists v_prenex_52 : int :: ((((9 * v_prenex_52 % 10 == 0 && !(9 * v_prenex_52 / 10 % 38 == 0)) && !((9 * v_prenex_52 / 10 + 1) % 38 == 0)) && 9 * v_prenex_52 / 10 < 0) && 9 * v_prenex_52 / 10 + 1 < 0) && 9 * v_prenex_52 / 10 % 38 <= a18 + 155))) || (((\exists v_prenex_54 : int :: (!(0 == v_prenex_54 % 299922) && v_prenex_54 < 0) && v_prenex_54 % 299922 <= a18 + 600001) && 6 == a12) && !(a16 == 12))) || (8 == a16 && 5 == a12)) || (((4 == a15 && a12 == 5) && a16 == 10) && (\exists v_~a18~0_1287 : int :: 0 < v_~a18~0_1287 + 156 && 3 * v_~a18~0_1287 + 599175 <= a18))) || (9 == a16 && a12 == 6)) || ((8 == a16 && a12 == 9) && (\exists v_prenex_52 : int :: ((((9 * v_prenex_52 % 10 == 0 && !(9 * v_prenex_52 / 10 % 38 == 0)) && !((9 * v_prenex_52 / 10 + 1) % 38 == 0)) && 9 * v_prenex_52 / 10 < 0) && 9 * v_prenex_52 / 10 + 1 < 0) && 9 * v_prenex_52 / 10 % 38 <= a18 + 155))) || ((12 <= a16 && !(a15 == 4)) && (\exists v_prenex_52 : int :: ((((9 * v_prenex_52 % 10 == 0 && !(9 * v_prenex_52 / 10 % 38 == 0)) && !((9 * v_prenex_52 / 10 + 1) % 38 == 0)) && 9 * v_prenex_52 / 10 < 0) && 9 * v_prenex_52 / 10 + 1 < 0) && 9 * v_prenex_52 / 10 % 38 <= a18 + 155)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. SAFE Result, 525.7s OverallTime, 22 OverallIterations, 15 TraceHistogramMax, 396.1s AutomataDifference, 0.0s DeadEndRemovalTime, 37.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 4903 SDtfs, 71243 SDslu, 9427 SDs, 0 SdLazy, 173222 SolverSat, 13224 SolverUnsat, 140 SolverUnknown, 0 SolverNotchecked, 346.9s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 47050 GetRequests, 46274 SyntacticMatches, 59 SemanticMatches, 717 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14981 ImplicationChecksByTransitivity, 17.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=36843occurred in iteration=21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 10.6s AbstIntTime, 18 AbstIntIterations, 5 AbstIntStrong, 0.9980568803000796 AbsIntWeakeningRatio, 0.05982608695652174 AbsIntAvgWeakeningVarsNumRemoved, 16.01217391304348 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 3.5s AutomataMinimizationTime, 22 MinimizatonAttempts, 20103 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 3213 PreInvPairs, 7343 NumberOfFragments, 5101 HoareAnnotationTreeSize, 3213 FomulaSimplifications, 736868 FormulaSimplificationTreeSizeReduction, 5.4s HoareSimplificationTime, 9 FomulaSimplificationsInter, 595926 FormulaSimplificationTreeSizeReductionInter, 32.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.8s SsaConstructionTime, 2.8s SatisfiabilityAnalysisTime, 41.3s InterpolantComputationTime, 46460 NumberOfCodeBlocks, 46460 NumberOfCodeBlocksAsserted, 35 NumberOfCheckSat, 67971 ConstructedInterpolants, 107 QuantifiedInterpolants, 416901452 SizeOfPredicates, 27 NumberOfNonLiveVariables, 27632 ConjunctsInSsa, 100 ConjunctsInUnsatCore, 48 InterpolantComputations, 8 PerfectInterpolantSequences, 214720/239969 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...