./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6833e402-ca22-44c1-bbfd-43a29be07a9b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6833e402-ca22-44c1-bbfd-43a29be07a9b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6833e402-ca22-44c1-bbfd-43a29be07a9b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6833e402-ca22-44c1-bbfd-43a29be07a9b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6833e402-ca22-44c1-bbfd-43a29be07a9b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6833e402-ca22-44c1-bbfd-43a29be07a9b/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 e94bad701dc31ef8837df5dc0d8bbaaa41b948fd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 04:51:45,722 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 04:51:45,723 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 04:51:45,730 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 04:51:45,730 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 04:51:45,730 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 04:51:45,731 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 04:51:45,732 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 04:51:45,733 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 04:51:45,734 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 04:51:45,734 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 04:51:45,735 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 04:51:45,735 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 04:51:45,736 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 04:51:45,737 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 04:51:45,737 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 04:51:45,738 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 04:51:45,739 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 04:51:45,740 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 04:51:45,741 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 04:51:45,742 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 04:51:45,743 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 04:51:45,744 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 04:51:45,745 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 04:51:45,745 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 04:51:45,745 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 04:51:45,746 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 04:51:45,747 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 04:51:45,747 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 04:51:45,748 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 04:51:45,748 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 04:51:45,749 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 04:51:45,749 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 04:51:45,749 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 04:51:45,750 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 04:51:45,750 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 04:51:45,750 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6833e402-ca22-44c1-bbfd-43a29be07a9b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 04:51:45,760 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 04:51:45,761 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 04:51:45,761 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 04:51:45,761 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 04:51:45,761 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 04:51:45,762 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 04:51:45,762 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 04:51:45,762 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 04:51:45,762 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 04:51:45,762 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 04:51:45,762 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 04:51:45,762 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 04:51:45,763 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 04:51:45,763 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 04:51:45,763 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 04:51:45,763 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 04:51:45,763 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 04:51:45,764 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 04:51:45,764 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 04:51:45,764 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 04:51:45,764 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 04:51:45,764 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 04:51:45,764 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 04:51:45,764 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 04:51:45,764 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 04:51:45,765 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 04:51:45,765 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 04:51:45,765 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 04:51:45,765 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 04:51:45,765 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:51:45,765 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 04:51:45,765 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 04:51:45,766 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 04:51:45,766 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 04:51:45,766 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 04:51:45,766 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 04:51:45,766 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 04:51:45,766 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_6833e402-ca22-44c1-bbfd-43a29be07a9b/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 -> e94bad701dc31ef8837df5dc0d8bbaaa41b948fd [2018-11-23 04:51:45,787 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 04:51:45,794 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 04:51:45,797 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 04:51:45,798 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 04:51:45,798 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 04:51:45,799 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6833e402-ca22-44c1-bbfd-43a29be07a9b/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c [2018-11-23 04:51:45,835 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6833e402-ca22-44c1-bbfd-43a29be07a9b/bin-2019/utaipan/data/099bbc9ca/9b0231408f3d4e44813c1e81083e9a4c/FLAG137fb4bd0 [2018-11-23 04:51:46,281 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 04:51:46,281 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6833e402-ca22-44c1-bbfd-43a29be07a9b/sv-benchmarks/c/eca-rers2012/Problem02_label19_true-unreach-call_false-termination.c [2018-11-23 04:51:46,290 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6833e402-ca22-44c1-bbfd-43a29be07a9b/bin-2019/utaipan/data/099bbc9ca/9b0231408f3d4e44813c1e81083e9a4c/FLAG137fb4bd0 [2018-11-23 04:51:46,302 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6833e402-ca22-44c1-bbfd-43a29be07a9b/bin-2019/utaipan/data/099bbc9ca/9b0231408f3d4e44813c1e81083e9a4c [2018-11-23 04:51:46,304 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 04:51:46,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 04:51:46,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 04:51:46,306 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 04:51:46,309 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 04:51:46,309 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:51:46" (1/1) ... [2018-11-23 04:51:46,311 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72019208 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:46, skipping insertion in model container [2018-11-23 04:51:46,311 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:51:46" (1/1) ... [2018-11-23 04:51:46,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 04:51:46,352 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 04:51:46,562 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:51:46,565 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 04:51:46,632 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 04:51:46,644 INFO L195 MainTranslator]: Completed translation [2018-11-23 04:51:46,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:46 WrapperNode [2018-11-23 04:51:46,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 04:51:46,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 04:51:46,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 04:51:46,646 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 04:51:46,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:46" (1/1) ... [2018-11-23 04:51:46,707 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:46" (1/1) ... [2018-11-23 04:51:46,713 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 04:51:46,714 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 04:51:46,714 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 04:51:46,714 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 04:51:46,720 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:46" (1/1) ... [2018-11-23 04:51:46,720 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:46" (1/1) ... [2018-11-23 04:51:46,723 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:46" (1/1) ... [2018-11-23 04:51:46,723 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:46" (1/1) ... [2018-11-23 04:51:46,745 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:46" (1/1) ... [2018-11-23 04:51:46,755 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:46" (1/1) ... [2018-11-23 04:51:46,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:46" (1/1) ... [2018-11-23 04:51:46,763 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 04:51:46,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 04:51:46,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 04:51:46,764 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 04:51:46,764 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:46" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6833e402-ca22-44c1-bbfd-43a29be07a9b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 04:51:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 04:51:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 04:51:46,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 04:51:46,799 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 04:51:46,800 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 04:51:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 04:51:46,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 04:51:46,800 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 04:51:46,800 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 04:51:47,637 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 04:51:47,637 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 04:51:47,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:51:47 BoogieIcfgContainer [2018-11-23 04:51:47,637 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 04:51:47,638 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 04:51:47,638 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 04:51:47,641 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 04:51:47,641 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:51:46" (1/3) ... [2018-11-23 04:51:47,641 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14e071de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:51:47, skipping insertion in model container [2018-11-23 04:51:47,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:51:46" (2/3) ... [2018-11-23 04:51:47,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14e071de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:51:47, skipping insertion in model container [2018-11-23 04:51:47,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:51:47" (3/3) ... [2018-11-23 04:51:47,643 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label19_true-unreach-call_false-termination.c [2018-11-23 04:51:47,649 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 04:51:47,657 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 04:51:47,666 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 04:51:47,688 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 04:51:47,688 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 04:51:47,688 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 04:51:47,688 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 04:51:47,688 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 04:51:47,688 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 04:51:47,689 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 04:51:47,689 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 04:51:47,705 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 04:51:47,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-23 04:51:47,712 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:51:47,712 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:51:47,714 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:51:47,717 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:51:47,718 INFO L82 PathProgramCache]: Analyzing trace with hash 797442718, now seen corresponding path program 1 times [2018-11-23 04:51:47,719 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:51:47,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:51:47,747 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:51:47,747 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:51:47,747 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:51:47,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:51:48,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:51:48,003 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 04:51:48,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 04:51:48,004 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:51:48,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 04:51:48,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 04:51:48,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 04:51:48,022 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 4 states. [2018-11-23 04:51:48,851 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:51:48,851 INFO L93 Difference]: Finished difference Result 791 states and 1379 transitions. [2018-11-23 04:51:48,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 04:51:48,854 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 98 [2018-11-23 04:51:48,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:51:48,866 INFO L225 Difference]: With dead ends: 791 [2018-11-23 04:51:48,866 INFO L226 Difference]: Without dead ends: 549 [2018-11-23 04:51:48,870 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 04:51:48,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 549 states. [2018-11-23 04:51:48,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 549 to 380. [2018-11-23 04:51:48,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-11-23 04:51:48,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 637 transitions. [2018-11-23 04:51:48,918 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 637 transitions. Word has length 98 [2018-11-23 04:51:48,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:51:48,918 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 637 transitions. [2018-11-23 04:51:48,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 04:51:48,918 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 637 transitions. [2018-11-23 04:51:48,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-23 04:51:48,922 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:51:48,922 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 04:51:48,925 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:51:48,926 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:51:48,926 INFO L82 PathProgramCache]: Analyzing trace with hash -553213703, now seen corresponding path program 1 times [2018-11-23 04:51:48,926 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:51:48,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:51:48,927 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:51:48,927 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:51:48,927 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:51:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:51:49,044 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-23 04:51:49,045 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:51:49,045 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:51:49,046 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 107 with the following transitions: [2018-11-23 04:51:49,048 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 04:51:49,081 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:51:49,081 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:51:49,357 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:51:49,359 INFO L272 AbstractInterpreter]: Visited 98 different actions 98 times. Never merged. Never widened. Performed 1157 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1157 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-23 04:51:49,385 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:51:49,385 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:51:49,598 INFO L227 lantSequenceWeakener]: Weakened 100 states. On average, predicates are now at 80.51% of their original sizes. [2018-11-23 04:51:49,598 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:51:49,638 INFO L415 sIntCurrentIteration]: We unified 105 AI predicates to 105 [2018-11-23 04:51:49,639 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:51:49,639 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:51:49,639 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-11-23 04:51:49,640 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:51:49,641 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 04:51:49,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 04:51:49,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 04:51:49,641 INFO L87 Difference]: Start difference. First operand 380 states and 637 transitions. Second operand 6 states. [2018-11-23 04:51:51,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:51:51,175 INFO L93 Difference]: Finished difference Result 902 states and 1531 transitions. [2018-11-23 04:51:51,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 04:51:51,175 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 106 [2018-11-23 04:51:51,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:51:51,178 INFO L225 Difference]: With dead ends: 902 [2018-11-23 04:51:51,178 INFO L226 Difference]: Without dead ends: 528 [2018-11-23 04:51:51,180 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 106 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 04:51:51,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2018-11-23 04:51:51,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 526. [2018-11-23 04:51:51,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 526 states. [2018-11-23 04:51:51,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 526 states and 791 transitions. [2018-11-23 04:51:51,197 INFO L78 Accepts]: Start accepts. Automaton has 526 states and 791 transitions. Word has length 106 [2018-11-23 04:51:51,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:51:51,197 INFO L480 AbstractCegarLoop]: Abstraction has 526 states and 791 transitions. [2018-11-23 04:51:51,197 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 04:51:51,197 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 791 transitions. [2018-11-23 04:51:51,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 04:51:51,199 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:51:51,200 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 04:51:51,200 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:51:51,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:51:51,200 INFO L82 PathProgramCache]: Analyzing trace with hash -709344313, now seen corresponding path program 1 times [2018-11-23 04:51:51,200 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:51:51,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:51:51,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:51:51,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:51:51,201 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:51:51,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:51:51,318 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:51:51,319 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:51:51,319 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:51:51,319 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 112 with the following transitions: [2018-11-23 04:51:51,320 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 04:51:51,323 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:51:51,323 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:51:51,550 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:51:51,550 INFO L272 AbstractInterpreter]: Visited 101 different actions 196 times. Merged at 4 different actions 4 times. Never widened. Performed 2332 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2332 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-23 04:51:51,552 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:51:51,552 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:51:51,718 INFO L227 lantSequenceWeakener]: Weakened 108 states. On average, predicates are now at 82.17% of their original sizes. [2018-11-23 04:51:51,719 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:51:51,790 INFO L415 sIntCurrentIteration]: We unified 110 AI predicates to 110 [2018-11-23 04:51:51,790 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:51:51,790 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:51:51,790 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-23 04:51:51,790 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:51:51,791 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 04:51:51,791 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 04:51:51,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 04:51:51,791 INFO L87 Difference]: Start difference. First operand 526 states and 791 transitions. Second operand 10 states. [2018-11-23 04:51:55,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:51:55,197 INFO L93 Difference]: Finished difference Result 1492 states and 2429 transitions. [2018-11-23 04:51:55,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-23 04:51:55,198 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 111 [2018-11-23 04:51:55,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:51:55,202 INFO L225 Difference]: With dead ends: 1492 [2018-11-23 04:51:55,202 INFO L226 Difference]: Without dead ends: 972 [2018-11-23 04:51:55,204 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 120 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 04:51:55,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 972 states. [2018-11-23 04:51:55,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 972 to 967. [2018-11-23 04:51:55,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 967 states. [2018-11-23 04:51:55,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 967 states and 1317 transitions. [2018-11-23 04:51:55,224 INFO L78 Accepts]: Start accepts. Automaton has 967 states and 1317 transitions. Word has length 111 [2018-11-23 04:51:55,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:51:55,224 INFO L480 AbstractCegarLoop]: Abstraction has 967 states and 1317 transitions. [2018-11-23 04:51:55,224 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 04:51:55,225 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1317 transitions. [2018-11-23 04:51:55,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-11-23 04:51:55,227 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:51:55,227 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:51:55,227 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:51:55,227 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:51:55,227 INFO L82 PathProgramCache]: Analyzing trace with hash 1854908586, now seen corresponding path program 1 times [2018-11-23 04:51:55,228 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:51:55,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:51:55,228 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:51:55,228 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:51:55,228 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:51:55,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:51:55,317 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:51:55,317 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:51:55,317 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:51:55,317 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 116 with the following transitions: [2018-11-23 04:51:55,318 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 04:51:55,320 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:51:55,320 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:51:55,452 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:51:55,452 INFO L272 AbstractInterpreter]: Visited 102 different actions 301 times. Merged at 6 different actions 15 times. Never widened. Performed 3599 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3599 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 04:51:55,461 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:51:55,461 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:51:55,558 INFO L227 lantSequenceWeakener]: Weakened 112 states. On average, predicates are now at 84.15% of their original sizes. [2018-11-23 04:51:55,558 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:51:55,604 INFO L415 sIntCurrentIteration]: We unified 114 AI predicates to 114 [2018-11-23 04:51:55,604 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:51:55,605 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:51:55,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-23 04:51:55,605 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:51:55,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 04:51:55,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 04:51:55,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 04:51:55,606 INFO L87 Difference]: Start difference. First operand 967 states and 1317 transitions. Second operand 9 states. [2018-11-23 04:51:57,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:51:57,879 INFO L93 Difference]: Finished difference Result 2380 states and 3462 transitions. [2018-11-23 04:51:57,879 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 04:51:57,879 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 115 [2018-11-23 04:51:57,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:51:57,884 INFO L225 Difference]: With dead ends: 2380 [2018-11-23 04:51:57,884 INFO L226 Difference]: Without dead ends: 1419 [2018-11-23 04:51:57,885 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 122 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-23 04:51:57,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1419 states. [2018-11-23 04:51:57,907 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1419 to 1395. [2018-11-23 04:51:57,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1395 states. [2018-11-23 04:51:57,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1395 states to 1395 states and 1851 transitions. [2018-11-23 04:51:57,910 INFO L78 Accepts]: Start accepts. Automaton has 1395 states and 1851 transitions. Word has length 115 [2018-11-23 04:51:57,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:51:57,910 INFO L480 AbstractCegarLoop]: Abstraction has 1395 states and 1851 transitions. [2018-11-23 04:51:57,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 04:51:57,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1395 states and 1851 transitions. [2018-11-23 04:51:57,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-23 04:51:57,912 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:51:57,912 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:51:57,913 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:51:57,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:51:57,913 INFO L82 PathProgramCache]: Analyzing trace with hash 411969091, now seen corresponding path program 1 times [2018-11-23 04:51:57,913 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:51:57,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:51:57,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:51:57,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:51:57,914 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:51:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:51:58,005 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:51:58,006 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:51:58,006 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:51:58,006 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 143 with the following transitions: [2018-11-23 04:51:58,006 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 04:51:58,008 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:51:58,008 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:51:58,134 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:51:58,135 INFO L272 AbstractInterpreter]: Visited 103 different actions 302 times. Merged at 6 different actions 15 times. Never widened. Performed 3662 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3662 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 04:51:58,136 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:51:58,137 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:51:58,137 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:51:58,137 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6833e402-ca22-44c1-bbfd-43a29be07a9b/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 04:51:58,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:51:58,145 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:51:58,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:51:58,200 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:51:58,270 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:51:58,270 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:51:58,386 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 04:51:58,411 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:51:58,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 04:51:58,411 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:51:58,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 04:51:58,412 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 04:51:58,412 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-23 04:51:58,412 INFO L87 Difference]: Start difference. First operand 1395 states and 1851 transitions. Second operand 9 states. [2018-11-23 04:51:59,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:51:59,347 INFO L93 Difference]: Finished difference Result 3612 states and 5058 transitions. [2018-11-23 04:51:59,348 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 04:51:59,348 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 142 [2018-11-23 04:51:59,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:51:59,355 INFO L225 Difference]: With dead ends: 3612 [2018-11-23 04:51:59,356 INFO L226 Difference]: Without dead ends: 2223 [2018-11-23 04:51:59,359 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 294 GetRequests, 280 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-11-23 04:51:59,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2223 states. [2018-11-23 04:51:59,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2223 to 2158. [2018-11-23 04:51:59,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2158 states. [2018-11-23 04:51:59,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 2158 states and 2926 transitions. [2018-11-23 04:51:59,403 INFO L78 Accepts]: Start accepts. Automaton has 2158 states and 2926 transitions. Word has length 142 [2018-11-23 04:51:59,404 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:51:59,404 INFO L480 AbstractCegarLoop]: Abstraction has 2158 states and 2926 transitions. [2018-11-23 04:51:59,404 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 04:51:59,404 INFO L276 IsEmpty]: Start isEmpty. Operand 2158 states and 2926 transitions. [2018-11-23 04:51:59,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-23 04:51:59,407 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:51:59,407 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:51:59,407 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:51:59,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:51:59,408 INFO L82 PathProgramCache]: Analyzing trace with hash 816836470, now seen corresponding path program 1 times [2018-11-23 04:51:59,408 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:51:59,408 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:51:59,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:51:59,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:51:59,409 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:51:59,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:51:59,486 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 46 proven. 17 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-23 04:51:59,486 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:51:59,486 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:51:59,486 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-11-23 04:51:59,487 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 04:51:59,489 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:51:59,489 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:51:59,671 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:51:59,671 INFO L272 AbstractInterpreter]: Visited 104 different actions 305 times. Merged at 7 different actions 15 times. Never widened. Performed 3782 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3782 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 04:51:59,673 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:51:59,673 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:51:59,673 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:51:59,673 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6833e402-ca22-44c1-bbfd-43a29be07a9b/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 04:51:59,681 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:51:59,681 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:51:59,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:51:59,733 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:51:59,774 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 04:51:59,775 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:51:59,833 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 04:51:59,848 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:51:59,848 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 14 [2018-11-23 04:51:59,848 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:51:59,848 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 04:51:59,849 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 04:51:59,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-23 04:51:59,849 INFO L87 Difference]: Start difference. First operand 2158 states and 2926 transitions. Second operand 11 states. [2018-11-23 04:52:02,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:52:02,459 INFO L93 Difference]: Finished difference Result 6970 states and 10427 transitions. [2018-11-23 04:52:02,460 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 04:52:02,460 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 143 [2018-11-23 04:52:02,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:52:02,471 INFO L225 Difference]: With dead ends: 6970 [2018-11-23 04:52:02,471 INFO L226 Difference]: Without dead ends: 3833 [2018-11-23 04:52:02,482 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 334 GetRequests, 297 SyntacticMatches, 3 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=284, Invalid=976, Unknown=0, NotChecked=0, Total=1260 [2018-11-23 04:52:02,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3833 states. [2018-11-23 04:52:02,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3833 to 3527. [2018-11-23 04:52:02,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3527 states. [2018-11-23 04:52:02,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3527 states to 3527 states and 4273 transitions. [2018-11-23 04:52:02,552 INFO L78 Accepts]: Start accepts. Automaton has 3527 states and 4273 transitions. Word has length 143 [2018-11-23 04:52:02,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:52:02,552 INFO L480 AbstractCegarLoop]: Abstraction has 3527 states and 4273 transitions. [2018-11-23 04:52:02,552 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 04:52:02,553 INFO L276 IsEmpty]: Start isEmpty. Operand 3527 states and 4273 transitions. [2018-11-23 04:52:02,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-11-23 04:52:02,559 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:52:02,559 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:52:02,559 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:52:02,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:52:02,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1586788567, now seen corresponding path program 1 times [2018-11-23 04:52:02,560 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:52:02,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:52:02,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:52:02,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:52:02,560 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:52:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:52:02,681 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 62 proven. 25 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-23 04:52:02,682 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:52:02,682 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:52:02,682 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 164 with the following transitions: [2018-11-23 04:52:02,682 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 04:52:02,684 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:52:02,684 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:52:02,908 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:52:02,908 INFO L272 AbstractInterpreter]: Visited 105 different actions 525 times. Merged at 8 different actions 44 times. Never widened. Performed 6323 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6323 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 14 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 04:52:02,909 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:52:02,909 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:52:02,909 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:52:02,909 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6833e402-ca22-44c1-bbfd-43a29be07a9b/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 04:52:02,915 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:52:02,915 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:52:02,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:52:02,950 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:52:02,981 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 68 proven. 2 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-23 04:52:02,981 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:52:03,025 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 79 proven. 13 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 04:52:03,040 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:52:03,040 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-23 04:52:03,040 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:52:03,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 04:52:03,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 04:52:03,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-23 04:52:03,041 INFO L87 Difference]: Start difference. First operand 3527 states and 4273 transitions. Second operand 12 states. [2018-11-23 04:52:04,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:52:04,800 INFO L93 Difference]: Finished difference Result 9859 states and 12073 transitions. [2018-11-23 04:52:04,800 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-11-23 04:52:04,800 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 163 [2018-11-23 04:52:04,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:52:04,815 INFO L225 Difference]: With dead ends: 9859 [2018-11-23 04:52:04,815 INFO L226 Difference]: Without dead ends: 6168 [2018-11-23 04:52:04,824 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 400 GetRequests, 351 SyntacticMatches, 1 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 666 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=578, Invalid=1872, Unknown=0, NotChecked=0, Total=2450 [2018-11-23 04:52:04,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6168 states. [2018-11-23 04:52:04,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6168 to 5154. [2018-11-23 04:52:04,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5154 states. [2018-11-23 04:52:04,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5154 states to 5154 states and 5851 transitions. [2018-11-23 04:52:04,925 INFO L78 Accepts]: Start accepts. Automaton has 5154 states and 5851 transitions. Word has length 163 [2018-11-23 04:52:04,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:52:04,925 INFO L480 AbstractCegarLoop]: Abstraction has 5154 states and 5851 transitions. [2018-11-23 04:52:04,925 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 04:52:04,925 INFO L276 IsEmpty]: Start isEmpty. Operand 5154 states and 5851 transitions. [2018-11-23 04:52:04,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-23 04:52:04,931 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:52:04,931 INFO L402 BasicCegarLoop]: trace histogram [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, 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] [2018-11-23 04:52:04,932 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:52:04,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:52:04,932 INFO L82 PathProgramCache]: Analyzing trace with hash 1320998409, now seen corresponding path program 1 times [2018-11-23 04:52:04,932 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:52:04,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:52:04,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:52:04,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:52:04,933 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:52:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:52:05,140 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 0 proven. 148 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 04:52:05,140 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:52:05,140 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:52:05,140 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-11-23 04:52:05,140 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [236], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 04:52:05,142 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:52:05,142 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:52:05,278 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 04:52:05,278 INFO L272 AbstractInterpreter]: Visited 105 different actions 306 times. Merged at 7 different actions 15 times. Never widened. Performed 3636 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3636 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 04:52:05,281 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:52:05,281 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 04:52:05,422 INFO L227 lantSequenceWeakener]: Weakened 208 states. On average, predicates are now at 84.24% of their original sizes. [2018-11-23 04:52:05,422 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 04:52:05,480 INFO L415 sIntCurrentIteration]: We unified 210 AI predicates to 210 [2018-11-23 04:52:05,480 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 04:52:05,480 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 04:52:05,480 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 17 [2018-11-23 04:52:05,481 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 04:52:05,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 04:52:05,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 04:52:05,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2018-11-23 04:52:05,481 INFO L87 Difference]: Start difference. First operand 5154 states and 5851 transitions. Second operand 11 states. [2018-11-23 04:52:10,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:52:10,047 INFO L93 Difference]: Finished difference Result 12269 states and 14177 transitions. [2018-11-23 04:52:10,047 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-23 04:52:10,047 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 211 [2018-11-23 04:52:10,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:52:10,063 INFO L225 Difference]: With dead ends: 12269 [2018-11-23 04:52:10,063 INFO L226 Difference]: Without dead ends: 7265 [2018-11-23 04:52:10,072 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 225 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=153, Invalid=497, Unknown=0, NotChecked=0, Total=650 [2018-11-23 04:52:10,078 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7265 states. [2018-11-23 04:52:10,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7265 to 7087. [2018-11-23 04:52:10,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7087 states. [2018-11-23 04:52:10,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7087 states to 7087 states and 7969 transitions. [2018-11-23 04:52:10,182 INFO L78 Accepts]: Start accepts. Automaton has 7087 states and 7969 transitions. Word has length 211 [2018-11-23 04:52:10,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:52:10,183 INFO L480 AbstractCegarLoop]: Abstraction has 7087 states and 7969 transitions. [2018-11-23 04:52:10,183 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 04:52:10,183 INFO L276 IsEmpty]: Start isEmpty. Operand 7087 states and 7969 transitions. [2018-11-23 04:52:10,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-23 04:52:10,191 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 04:52:10,191 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 04:52:10,191 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 04:52:10,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:52:10,192 INFO L82 PathProgramCache]: Analyzing trace with hash -1924915159, now seen corresponding path program 1 times [2018-11-23 04:52:10,192 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 04:52:10,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:52:10,192 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:52:10,192 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 04:52:10,193 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 04:52:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:52:10,338 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 187 proven. 52 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-23 04:52:10,339 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:52:10,339 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 04:52:10,339 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 235 with the following transitions: [2018-11-23 04:52:10,339 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [41], [42], [53], [64], [68], [72], [76], [80], [84], [88], [91], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [236], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [463], [465], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 04:52:10,341 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 04:52:10,341 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 04:52:10,570 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 04:52:10,570 INFO L272 AbstractInterpreter]: Visited 105 different actions 515 times. Merged at 8 different actions 34 times. Widened at 1 different actions 1 times. Performed 6593 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6593 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 04:52:10,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 04:52:10,577 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 04:52:10,577 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 04:52:10,577 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6833e402-ca22-44c1-bbfd-43a29be07a9b/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 04:52:10,583 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 04:52:10,583 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 04:52:10,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 04:52:10,630 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 04:52:10,676 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 197 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 04:52:10,676 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 04:52:10,794 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 9 [2018-11-23 04:52:10,839 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 197 proven. 2 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-11-23 04:52:10,854 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 04:52:10,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-11-23 04:52:10,854 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 04:52:10,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-23 04:52:10,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-23 04:52:10,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2018-11-23 04:52:10,855 INFO L87 Difference]: Start difference. First operand 7087 states and 7969 transitions. Second operand 12 states. [2018-11-23 04:52:13,086 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 04:52:13,086 INFO L93 Difference]: Finished difference Result 12564 states and 14209 transitions. [2018-11-23 04:52:13,086 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2018-11-23 04:52:13,086 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 234 [2018-11-23 04:52:13,086 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 04:52:13,087 INFO L225 Difference]: With dead ends: 12564 [2018-11-23 04:52:13,087 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 04:52:13,103 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 501 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 708 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=488, Invalid=2062, Unknown=0, NotChecked=0, Total=2550 [2018-11-23 04:52:13,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 04:52:13,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 04:52:13,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 04:52:13,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 04:52:13,103 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 234 [2018-11-23 04:52:13,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 04:52:13,103 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 04:52:13,104 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-23 04:52:13,104 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 04:52:13,104 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 04:52:13,107 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 04:52:13,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:52:13,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:52:13,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:52:13,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:52:13,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:52:13,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:52:13,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 04:52:14,343 WARN L180 SmtUtils]: Spent 888.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 91 [2018-11-23 04:52:14,803 WARN L180 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 72 [2018-11-23 04:52:15,372 WARN L180 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 72 [2018-11-23 04:52:15,374 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:52:15,374 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-23 04:52:15,374 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:52:15,374 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,374 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,374 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,374 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 04:52:15,375 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 04:52:15,376 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 04:52:15,376 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 04:52:15,376 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 04:52:15,376 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 04:52:15,376 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 04:52:15,376 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 04:52:15,376 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 04:52:15,376 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 04:52:15,376 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 04:52:15,376 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 04:52:15,376 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 04:52:15,376 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,376 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,376 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,376 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,376 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,376 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 04:52:15,377 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 04:52:15,377 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 04:52:15,377 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 04:52:15,377 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 04:52:15,377 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 04:52:15,377 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 04:52:15,377 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 04:52:15,377 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 04:52:15,377 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 04:52:15,377 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 04:52:15,377 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,377 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,377 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,378 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,378 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,378 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 04:52:15,378 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 04:52:15,378 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 04:52:15,378 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 04:52:15,378 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 04:52:15,378 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 04:52:15,378 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 04:52:15,378 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 04:52:15,378 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 04:52:15,378 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 04:52:15,378 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 04:52:15,378 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 04:52:15,378 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 04:52:15,378 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,378 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,378 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,379 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,379 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,379 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 04:52:15,379 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 04:52:15,379 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 04:52:15,379 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 04:52:15,379 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 04:52:15,379 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 04:52:15,379 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 04:52:15,379 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 04:52:15,379 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 04:52:15,379 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 04:52:15,379 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 04:52:15,379 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 04:52:15,379 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 04:52:15,379 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 04:52:15,379 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 04:52:15,379 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 04:52:15,379 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,380 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 04:52:15,381 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 04:52:15,382 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 04:52:15,382 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 04:52:15,382 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 04:52:15,382 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 04:52:15,382 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 04:52:15,382 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 04:52:15,382 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 04:52:15,382 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 04:52:15,382 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 04:52:15,382 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,382 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,382 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,382 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse29 (= |old(~a17~0)| ~a17~0)) (.cse12 (= ~a11~0 1)) (.cse21 (<= ~a17~0 |old(~a17~0)|)) (.cse22 (= |old(~a28~0)| ~a28~0)) (.cse18 (= |old(~a19~0)| ~a19~0)) (.cse28 (= 1 |old(~a25~0)|)) (.cse19 (= ~a11~0 0)) (.cse9 (= ~a17~0 8)) (.cse10 (= ~a19~0 1)) (.cse11 (= ~a28~0 |old(~a28~0)|)) (.cse13 (= ~a25~0 |old(~a25~0)|))) (let ((.cse3 (and .cse19 .cse9 .cse10 .cse11 .cse13)) (.cse24 (not .cse28)) (.cse6 (not (= 0 |old(~a11~0)|))) (.cse4 (not (= 1 ~a21~0))) (.cse5 (not (= 1 |old(~a19~0)|))) (.cse17 (= 0 |old(~a28~0)|)) (.cse8 (not (= 8 |old(~a17~0)|))) (.cse7 (= |calculate_output_#in~input| 0)) (.cse23 (and .cse28 (= |old(~a19~0)| |old(~a25~0)|))) (.cse0 (and .cse21 .cse22 .cse18)) (.cse1 (< 0 |old(~a19~0)|)) (.cse26 (< 8 |old(~a17~0)|)) (.cse14 (not (= 1 |old(~a11~0)|))) (.cse25 (and .cse29 .cse18 .cse11 .cse12 .cse13)) (.cse15 (< 10 |old(~a28~0)|)) (.cse27 (= |old(~a25~0)| ~a25~0)) (.cse20 (not (= |old(~a19~0)| 1))) (.cse16 (< |old(~a28~0)| 9)) (.cse2 (< 7 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 (or .cse4 (not (= 7 |old(~a28~0)|)) .cse5 .cse6 .cse7) .cse8 (not (= 0 |old(~a25~0)|))) (or .cse4 (and .cse9 .cse10 .cse11 .cse12 .cse13) .cse7 .cse14 .cse15 .cse5 .cse16 .cse8) (or .cse4 .cse6 .cse3 .cse7 .cse15 .cse5 .cse16 .cse8) (or .cse4 (or .cse15 .cse1) .cse17 .cse6 .cse8 (and .cse18 .cse19 .cse9 .cse11 .cse13) .cse7) (or .cse20 (and .cse21 .cse22 .cse18 (not (= ~a19~0 ~a25~0))) .cse23 .cse2) (or .cse15 .cse24 .cse25 .cse26 .cse14 (< |old(~a19~0)| 1)) (or .cse24 .cse6 (or .cse4 .cse5 .cse17 .cse8 .cse7) (and (= ~a11~0 |old(~a11~0)|) (and .cse27 .cse9 .cse10 .cse11))) (or .cse15 .cse23 .cse2 .cse0) (or .cse15 (= 8 |old(~a28~0)|) .cse1 .cse26 .cse14 .cse28 .cse25) (or .cse15 (and .cse18 .cse29 .cse27 .cse11) .cse20 .cse16 .cse2)))) [2018-11-23 04:52:15,382 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,382 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,383 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,383 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 04:52:15,383 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 04:52:15,383 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 04:52:15,383 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 04:52:15,383 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 04:52:15,383 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 04:52:15,383 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 04:52:15,383 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 04:52:15,383 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 04:52:15,383 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 04:52:15,383 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 04:52:15,383 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 04:52:15,383 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 04:52:15,384 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,384 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,384 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,384 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,384 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,384 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,384 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 04:52:15,384 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 04:52:15,384 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 04:52:15,384 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 04:52:15,384 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 04:52:15,384 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 04:52:15,384 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 04:52:15,384 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 04:52:15,384 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 04:52:15,385 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 04:52:15,385 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 04:52:15,385 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 04:52:15,385 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 04:52:15,385 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 04:52:15,385 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 04:52:15,385 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 04:52:15,385 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,385 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,385 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,385 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,385 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 04:52:15,385 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 04:52:15,386 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 04:52:15,386 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 04:52:15,386 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 04:52:15,386 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 04:52:15,386 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 04:52:15,386 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 04:52:15,386 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 04:52:15,386 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 04:52:15,386 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 04:52:15,386 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 04:52:15,386 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 04:52:15,386 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 04:52:15,386 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 04:52:15,387 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 448) no Hoare annotation was computed. [2018-11-23 04:52:15,387 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 04:52:15,387 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 04:52:15,387 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 04:52:15,387 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 04:52:15,387 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 04:52:15,387 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 04:52:15,387 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-23 04:52:15,387 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 04:52:15,387 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 04:52:15,387 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-23 04:52:15,388 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 7)) (.cse6 (or (not (= ~a19~0 ~a25~0)) (not (= 1 ~a19~0)))) (.cse9 (<= ~a19~0 0)) (.cse7 (= 1 ~a25~0)) (.cse5 (= ~a11~0 1)) (.cse1 (<= ~a28~0 10)) (.cse2 (<= 9 ~a28~0)) (.cse4 (<= ~a17~0 8)) (.cse8 (not (= main_~input~0 0))) (.cse11 (not (= ~a28~0 0))) (.cse3 (= ~a19~0 1)) (.cse10 (= ~a11~0 0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 .cse2) (not (= 0 |old(~a11~0)|)) (and .cse1 .cse3 .cse2 .cse4 .cse5) (and (and .cse3 (= ~a28~0 |old(~a28~0)|) .cse4) (= ~a11~0 |old(~a11~0)|) (= ~a25~0 |old(~a25~0)|)) (and (= |old(~a19~0)| ~a19~0) .cse0 .cse6) (not (= 0 |old(~a25~0)|)) (and .cse7 .cse1 .cse4 .cse5 (<= 1 ~a19~0)) (and .cse8 .cse9 .cse1 .cse10 .cse11 .cse4) (and .cse0 .cse9) (and .cse0 .cse1 .cse6) (and .cse9 (not .cse7) .cse1 (not (= ~a28~0 8)) .cse4 .cse5) (not (= 1 |old(~a19~0)|)) (and .cse8 .cse1 .cse10 .cse3 .cse2 .cse4) (and .cse8 (= ~a25~0 1) (and .cse11 (= ~a17~0 8) .cse3) .cse10) (not (= 8 |old(~a17~0)|)))) [2018-11-23 04:52:15,388 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 04:52:15,388 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 04:52:15,388 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse3 (<= 9 ~a28~0)) (.cse6 (<= ~a17~0 7)) (.cse7 (or (not (= ~a19~0 ~a25~0)) (not (= 1 ~a19~0)))) (.cse10 (<= ~a19~0 0)) (.cse8 (= 1 ~a25~0)) (.cse1 (<= ~a28~0 10)) (.cse9 (= ~a11~0 1)) (.cse11 (= ~a11~0 0)) (.cse4 (<= ~a17~0 8)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse0 (not (= main_~input~0 0))) (.cse12 (not (= ~a28~0 0))) (.cse2 (= ~a19~0 1))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (and .cse0 .cse1 .cse2 .cse3 .cse4) .cse5) (and .cse6 .cse1 .cse3) (not (= 0 |old(~a11~0)|)) (and (= |old(~a19~0)| ~a19~0) .cse6 .cse7) (not (= 0 |old(~a25~0)|)) (and .cse8 .cse1 .cse4 .cse9 (<= 1 ~a19~0)) (and .cse0 .cse10 .cse1 .cse11 .cse12 .cse4) (and .cse6 .cse10) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse9) (and .cse6 .cse1 .cse7) (and .cse10 (not .cse8) .cse1 (not (= ~a28~0 8)) .cse4 .cse9) (not (= 1 |old(~a19~0)|)) (and .cse0 .cse11 .cse2 (= ~a28~0 |old(~a28~0)|) .cse4 (= ~a25~0 |old(~a25~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse5 (= ~a25~0 1) (and .cse0 .cse12 (= ~a17~0 8) .cse2)))) [2018-11-23 04:52:15,388 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 04:52:15,388 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 04:52:15,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:52:15 BoogieIcfgContainer [2018-11-23 04:52:15,405 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 04:52:15,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 04:52:15,406 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 04:52:15,406 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 04:52:15,406 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:51:47" (3/4) ... [2018-11-23 04:52:15,409 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 04:52:15,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 04:52:15,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 04:52:15,414 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 04:52:15,423 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 04:52:15,424 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 04:52:15,440 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((!(1 == a21) || !(7 == \old(a28))) || ((a17 <= 7 && a28 <= 10) && 9 <= a28)) || !(0 == \old(a11))) || ((((a28 <= 10 && a19 == 1) && 9 <= a28) && a17 <= 8) && a11 == 1)) || ((((a19 == 1 && a28 == \old(a28)) && a17 <= 8) && a11 == \old(a11)) && a25 == \old(a25))) || ((\old(a19) == a19 && a17 <= 7) && (!(a19 == a25) || !(1 == a19)))) || !(0 == \old(a25))) || ((((1 == a25 && a28 <= 10) && a17 <= 8) && a11 == 1) && 1 <= a19)) || (((((!(input == 0) && a19 <= 0) && a28 <= 10) && a11 == 0) && !(a28 == 0)) && a17 <= 8)) || (a17 <= 7 && a19 <= 0)) || ((a17 <= 7 && a28 <= 10) && (!(a19 == a25) || !(1 == a19)))) || (((((a19 <= 0 && !(1 == a25)) && a28 <= 10) && !(a28 == 8)) && a17 <= 8) && a11 == 1)) || !(1 == \old(a19))) || (((((!(input == 0) && a28 <= 10) && a11 == 0) && a19 == 1) && 9 <= a28) && a17 <= 8)) || (((!(input == 0) && a25 == 1) && (!(a28 == 0) && a17 == 8) && a19 == 1) && a11 == 0)) || !(8 == \old(a17)) [2018-11-23 04:52:15,500 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6833e402-ca22-44c1-bbfd-43a29be07a9b/bin-2019/utaipan/witness.graphml [2018-11-23 04:52:15,500 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 04:52:15,501 INFO L168 Benchmark]: Toolchain (without parser) took 29196.60 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 951.7 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 201.2 MB. Max. memory is 11.5 GB. [2018-11-23 04:52:15,502 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 04:52:15,502 INFO L168 Benchmark]: CACSL2BoogieTranslator took 339.26 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 922.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-23 04:52:15,502 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 922.2 MB in the beginning and 1.1 GB in the end (delta: -206.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-23 04:52:15,502 INFO L168 Benchmark]: Boogie Preprocessor took 49.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 04:52:15,503 INFO L168 Benchmark]: RCFGBuilder took 874.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.8 MB). Peak memory consumption was 111.8 MB. Max. memory is 11.5 GB. [2018-11-23 04:52:15,503 INFO L168 Benchmark]: TraceAbstraction took 27766.65 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-23 04:52:15,503 INFO L168 Benchmark]: Witness Printer took 94.85 ms. Allocated memory is still 2.5 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2018-11-23 04:52:15,505 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 339.26 ms. Allocated memory is still 1.0 GB. Free memory was 951.7 MB in the beginning and 922.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 922.2 MB in the beginning and 1.1 GB in the end (delta: -206.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 874.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.8 MB). Peak memory consumption was 111.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27766.65 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 94.85 ms. Allocated memory is still 2.5 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 31.6 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 448]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((((((!(1 == a21) || !(7 == \old(a28))) || ((a17 <= 7 && a28 <= 10) && 9 <= a28)) || !(0 == \old(a11))) || ((((a28 <= 10 && a19 == 1) && 9 <= a28) && a17 <= 8) && a11 == 1)) || ((((a19 == 1 && a28 == \old(a28)) && a17 <= 8) && a11 == \old(a11)) && a25 == \old(a25))) || ((\old(a19) == a19 && a17 <= 7) && (!(a19 == a25) || !(1 == a19)))) || !(0 == \old(a25))) || ((((1 == a25 && a28 <= 10) && a17 <= 8) && a11 == 1) && 1 <= a19)) || (((((!(input == 0) && a19 <= 0) && a28 <= 10) && a11 == 0) && !(a28 == 0)) && a17 <= 8)) || (a17 <= 7 && a19 <= 0)) || ((a17 <= 7 && a28 <= 10) && (!(a19 == a25) || !(1 == a19)))) || (((((a19 <= 0 && !(1 == a25)) && a28 <= 10) && !(a28 == 8)) && a17 <= 8) && a11 == 1)) || !(1 == \old(a19))) || (((((!(input == 0) && a28 <= 10) && a11 == 0) && a19 == 1) && 9 <= a28) && a17 <= 8)) || (((!(input == 0) && a25 == 1) && (!(a28 == 0) && a17 == 8) && a19 == 1) && a11 == 0)) || !(8 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 27.7s OverallTime, 9 OverallIterations, 5 TraceHistogramMax, 20.2s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1353 SDtfs, 12954 SDslu, 2573 SDs, 0 SdLazy, 20561 SolverSat, 3722 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.2s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 2157 GetRequests, 1942 SyntacticMatches, 8 SemanticMatches, 207 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1844 ImplicationChecksByTransitivity, 1.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7087occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.6s AbstIntTime, 8 AbstIntIterations, 4 AbstIntStrong, 0.9968844077199743 AbsIntWeakeningRatio, 0.23562152133580705 AbsIntAvgWeakeningVarsNumRemoved, 25.85343228200371 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 9 MinimizatonAttempts, 1763 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 177 PreInvPairs, 282 NumberOfFragments, 903 HoareAnnotationTreeSize, 177 FomulaSimplifications, 8979 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8909 FormulaSimplificationTreeSizeReductionInter, 1.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2005 NumberOfCodeBlocks, 2005 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2670 ConstructedInterpolants, 0 QuantifiedInterpolants, 1042525 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1930 ConjunctsInSsa, 19 ConjunctsInUnsatCore, 17 InterpolantComputations, 1 PerfectInterpolantSequences, 1379/1669 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...