./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label33_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_89db8de4-c5dc-489b-8735-5c99d0f18d18/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_89db8de4-c5dc-489b-8735-5c99d0f18d18/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_89db8de4-c5dc-489b-8735-5c99d0f18d18/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_89db8de4-c5dc-489b-8735-5c99d0f18d18/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label33_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_89db8de4-c5dc-489b-8735-5c99d0f18d18/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_89db8de4-c5dc-489b-8735-5c99d0f18d18/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 6f0a6eac4c78ce391e1710b755d772fabb9d4b99 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 01:18:48,892 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:18:48,894 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:18:48,900 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:18:48,901 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:18:48,901 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:18:48,902 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:18:48,903 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:18:48,904 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:18:48,905 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:18:48,905 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:18:48,906 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:18:48,906 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:18:48,907 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:18:48,908 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:18:48,908 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:18:48,909 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:18:48,910 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:18:48,911 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:18:48,912 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:18:48,913 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:18:48,914 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:18:48,916 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:18:48,916 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:18:48,916 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:18:48,917 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:18:48,918 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:18:48,918 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:18:48,919 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:18:48,919 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:18:48,920 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:18:48,920 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:18:48,920 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:18:48,920 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:18:48,921 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:18:48,922 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:18:48,922 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_89db8de4-c5dc-489b-8735-5c99d0f18d18/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 01:18:48,929 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:18:48,929 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:18:48,930 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:18:48,930 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 01:18:48,930 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 01:18:48,930 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 01:18:48,930 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 01:18:48,931 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 01:18:48,931 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 01:18:48,931 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 01:18:48,931 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 01:18:48,931 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 01:18:48,931 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 01:18:48,932 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:18:48,932 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:18:48,932 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:18:48,932 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:18:48,932 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:18:48,932 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:18:48,933 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:18:48,933 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:18:48,933 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:18:48,933 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:18:48,933 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:18:48,933 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:18:48,933 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:18:48,934 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 01:18:48,934 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:18:48,934 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 01:18:48,934 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 01:18:48,934 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:18:48,934 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:18:48,934 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:18:48,934 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 01:18:48,935 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:18:48,935 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:18:48,935 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 01:18:48,935 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_89db8de4-c5dc-489b-8735-5c99d0f18d18/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 -> 6f0a6eac4c78ce391e1710b755d772fabb9d4b99 [2018-11-23 01:18:48,959 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:18:48,968 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:18:48,971 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:18:48,972 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:18:48,972 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:18:48,973 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_89db8de4-c5dc-489b-8735-5c99d0f18d18/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem03_label33_true-unreach-call.c [2018-11-23 01:18:49,017 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_89db8de4-c5dc-489b-8735-5c99d0f18d18/bin-2019/utaipan/data/066ab2303/eab01bcc87d144a2ba3fc49d4a716f29/FLAG8d5d263c7 [2018-11-23 01:18:49,519 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:18:49,519 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_89db8de4-c5dc-489b-8735-5c99d0f18d18/sv-benchmarks/c/eca-rers2012/Problem03_label33_true-unreach-call.c [2018-11-23 01:18:49,529 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_89db8de4-c5dc-489b-8735-5c99d0f18d18/bin-2019/utaipan/data/066ab2303/eab01bcc87d144a2ba3fc49d4a716f29/FLAG8d5d263c7 [2018-11-23 01:18:49,995 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_89db8de4-c5dc-489b-8735-5c99d0f18d18/bin-2019/utaipan/data/066ab2303/eab01bcc87d144a2ba3fc49d4a716f29 [2018-11-23 01:18:49,997 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:18:49,998 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:18:49,999 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:18:49,999 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:18:50,001 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:18:50,002 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:18:49" (1/1) ... [2018-11-23 01:18:50,004 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd21f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:50, skipping insertion in model container [2018-11-23 01:18:50,004 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:18:49" (1/1) ... [2018-11-23 01:18:50,010 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:18:50,058 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:18:50,434 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:18:50,438 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:18:50,605 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:18:50,616 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:18:50,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:50 WrapperNode [2018-11-23 01:18:50,617 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:18:50,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:18:50,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:18:50,618 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:18:50,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:50" (1/1) ... [2018-11-23 01:18:50,728 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:50" (1/1) ... [2018-11-23 01:18:50,735 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:18:50,735 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:18:50,736 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:18:50,736 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:18:50,744 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:50" (1/1) ... [2018-11-23 01:18:50,744 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:50" (1/1) ... [2018-11-23 01:18:50,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:50" (1/1) ... [2018-11-23 01:18:50,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:50" (1/1) ... [2018-11-23 01:18:50,780 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:50" (1/1) ... [2018-11-23 01:18:50,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:50" (1/1) ... [2018-11-23 01:18:50,799 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:50" (1/1) ... [2018-11-23 01:18:50,808 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:18:50,809 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:18:50,809 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:18:50,809 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:18:50,810 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89db8de4-c5dc-489b-8735-5c99d0f18d18/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 01:18:50,856 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 01:18:50,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 01:18:50,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 01:18:50,856 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 01:18:50,856 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 01:18:50,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:18:50,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:18:50,857 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 01:18:50,857 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 01:18:52,097 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:18:52,098 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 01:18:52,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:18:52 BoogieIcfgContainer [2018-11-23 01:18:52,098 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:18:52,099 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 01:18:52,099 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 01:18:52,101 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 01:18:52,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:18:49" (1/3) ... [2018-11-23 01:18:52,102 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f09397d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:18:52, skipping insertion in model container [2018-11-23 01:18:52,102 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:18:50" (2/3) ... [2018-11-23 01:18:52,103 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2f09397d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:18:52, skipping insertion in model container [2018-11-23 01:18:52,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:18:52" (3/3) ... [2018-11-23 01:18:52,105 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label33_true-unreach-call.c [2018-11-23 01:18:52,113 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 01:18:52,123 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 01:18:52,136 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 01:18:52,164 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 01:18:52,164 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 01:18:52,164 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 01:18:52,164 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 01:18:52,165 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 01:18:52,165 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 01:18:52,186 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 01:18:52,186 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 01:18:52,216 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states. [2018-11-23 01:18:52,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-23 01:18:52,226 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:18:52,227 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:18:52,228 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:18:52,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:18:52,232 INFO L82 PathProgramCache]: Analyzing trace with hash 10375448, now seen corresponding path program 1 times [2018-11-23 01:18:52,234 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:18:52,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:18:52,264 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:18:52,264 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:18:52,264 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:18:52,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:18:52,649 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 01:18:52,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:18:52,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 01:18:52,651 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:18:52,654 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 01:18:52,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 01:18:52,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:18:52,664 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 4 states. [2018-11-23 01:18:53,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:18:53,792 INFO L93 Difference]: Finished difference Result 1070 states and 1920 transitions. [2018-11-23 01:18:53,792 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 01:18:53,793 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 165 [2018-11-23 01:18:53,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:18:53,805 INFO L225 Difference]: With dead ends: 1070 [2018-11-23 01:18:53,805 INFO L226 Difference]: Without dead ends: 753 [2018-11-23 01:18:53,809 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 01:18:53,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 753 states. [2018-11-23 01:18:53,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 753 to 518. [2018-11-23 01:18:53,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 518 states. [2018-11-23 01:18:53,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 917 transitions. [2018-11-23 01:18:53,872 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 917 transitions. Word has length 165 [2018-11-23 01:18:53,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:18:53,873 INFO L480 AbstractCegarLoop]: Abstraction has 518 states and 917 transitions. [2018-11-23 01:18:53,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 01:18:53,874 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 917 transitions. [2018-11-23 01:18:53,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-11-23 01:18:53,878 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:18:53,878 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:18:53,879 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:18:53,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:18:53,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1859025983, now seen corresponding path program 1 times [2018-11-23 01:18:53,879 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:18:53,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:18:53,880 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:18:53,880 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:18:53,880 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:18:53,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:18:54,026 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:18:54,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:18:54,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 01:18:54,027 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:18:54,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 01:18:54,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 01:18:54,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 01:18:54,029 INFO L87 Difference]: Start difference. First operand 518 states and 917 transitions. Second operand 6 states. [2018-11-23 01:18:55,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:18:55,026 INFO L93 Difference]: Finished difference Result 1474 states and 2692 transitions. [2018-11-23 01:18:55,026 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 01:18:55,026 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 192 [2018-11-23 01:18:55,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:18:55,032 INFO L225 Difference]: With dead ends: 1474 [2018-11-23 01:18:55,033 INFO L226 Difference]: Without dead ends: 962 [2018-11-23 01:18:55,035 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 01:18:55,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 962 states. [2018-11-23 01:18:55,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 962 to 945. [2018-11-23 01:18:55,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 945 states. [2018-11-23 01:18:55,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 945 states to 945 states and 1575 transitions. [2018-11-23 01:18:55,068 INFO L78 Accepts]: Start accepts. Automaton has 945 states and 1575 transitions. Word has length 192 [2018-11-23 01:18:55,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:18:55,068 INFO L480 AbstractCegarLoop]: Abstraction has 945 states and 1575 transitions. [2018-11-23 01:18:55,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 01:18:55,068 INFO L276 IsEmpty]: Start isEmpty. Operand 945 states and 1575 transitions. [2018-11-23 01:18:55,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-23 01:18:55,072 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:18:55,072 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:18:55,073 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:18:55,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:18:55,073 INFO L82 PathProgramCache]: Analyzing trace with hash 905284202, now seen corresponding path program 1 times [2018-11-23 01:18:55,073 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:18:55,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:18:55,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:18:55,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:18:55,074 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:18:55,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:18:55,250 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:18:55,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 01:18:55,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 01:18:55,251 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:18:55,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 01:18:55,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 01:18:55,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:18:55,252 INFO L87 Difference]: Start difference. First operand 945 states and 1575 transitions. Second operand 4 states. [2018-11-23 01:18:56,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:18:56,603 INFO L93 Difference]: Finished difference Result 3385 states and 5812 transitions. [2018-11-23 01:18:56,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 01:18:56,606 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 210 [2018-11-23 01:18:56,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:18:56,618 INFO L225 Difference]: With dead ends: 3385 [2018-11-23 01:18:56,618 INFO L226 Difference]: Without dead ends: 2446 [2018-11-23 01:18:56,623 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:18:56,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2446 states. [2018-11-23 01:18:56,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2446 to 2427. [2018-11-23 01:18:56,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2427 states. [2018-11-23 01:18:56,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 2427 states and 3874 transitions. [2018-11-23 01:18:56,686 INFO L78 Accepts]: Start accepts. Automaton has 2427 states and 3874 transitions. Word has length 210 [2018-11-23 01:18:56,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:18:56,687 INFO L480 AbstractCegarLoop]: Abstraction has 2427 states and 3874 transitions. [2018-11-23 01:18:56,687 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 01:18:56,687 INFO L276 IsEmpty]: Start isEmpty. Operand 2427 states and 3874 transitions. [2018-11-23 01:18:56,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-23 01:18:56,694 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:18:56,695 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:18:56,695 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:18:56,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:18:56,695 INFO L82 PathProgramCache]: Analyzing trace with hash 841120803, now seen corresponding path program 1 times [2018-11-23 01:18:56,695 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:18:56,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:18:56,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:18:56,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:18:56,696 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:18:56,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:18:56,805 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 50 proven. 24 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 01:18:56,806 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:18:56,806 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:18:56,807 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 227 with the following transitions: [2018-11-23 01:18:56,808 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [20], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [68], [71], [75], [76], [80], [84], [88], [92], [95], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [789], [791], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-11-23 01:18:56,848 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:18:56,848 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:18:57,457 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 01:18:57,458 INFO L272 AbstractInterpreter]: Visited 167 different actions 167 times. Never merged. Never widened. Performed 3903 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3903 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 88 variables. [2018-11-23 01:18:57,466 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:18:57,467 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 01:18:58,042 INFO L227 lantSequenceWeakener]: Weakened 212 states. On average, predicates are now at 71.13% of their original sizes. [2018-11-23 01:18:58,042 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 01:18:58,148 INFO L415 sIntCurrentIteration]: We unified 225 AI predicates to 225 [2018-11-23 01:18:58,148 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 01:18:58,149 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 01:18:58,149 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [14] imperfect sequences [6] total 18 [2018-11-23 01:18:58,149 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:18:58,149 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-23 01:18:58,149 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-23 01:18:58,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2018-11-23 01:18:58,150 INFO L87 Difference]: Start difference. First operand 2427 states and 3874 transitions. Second operand 14 states. [2018-11-23 01:19:12,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:19:12,392 INFO L93 Difference]: Finished difference Result 5056 states and 8049 transitions. [2018-11-23 01:19:12,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 01:19:12,392 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 226 [2018-11-23 01:19:12,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:19:12,400 INFO L225 Difference]: With dead ends: 5056 [2018-11-23 01:19:12,401 INFO L226 Difference]: Without dead ends: 2635 [2018-11-23 01:19:12,406 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 226 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=66, Invalid=144, Unknown=0, NotChecked=0, Total=210 [2018-11-23 01:19:12,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2635 states. [2018-11-23 01:19:12,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2635 to 2634. [2018-11-23 01:19:12,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2634 states. [2018-11-23 01:19:12,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2634 states to 2634 states and 4091 transitions. [2018-11-23 01:19:12,465 INFO L78 Accepts]: Start accepts. Automaton has 2634 states and 4091 transitions. Word has length 226 [2018-11-23 01:19:12,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:19:12,466 INFO L480 AbstractCegarLoop]: Abstraction has 2634 states and 4091 transitions. [2018-11-23 01:19:12,466 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-23 01:19:12,466 INFO L276 IsEmpty]: Start isEmpty. Operand 2634 states and 4091 transitions. [2018-11-23 01:19:12,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-23 01:19:12,472 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:19:12,472 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:19:12,472 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:19:12,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:19:12,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1825198620, now seen corresponding path program 1 times [2018-11-23 01:19:12,473 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:19:12,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:19:12,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:19:12,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:19:12,473 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:19:12,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:19:12,615 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 67 proven. 39 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 01:19:12,615 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:19:12,615 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:19:12,615 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 238 with the following transitions: [2018-11-23 01:19:12,616 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [20], [21], [24], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [68], [71], [75], [76], [80], [84], [88], [92], [95], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [789], [791], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-11-23 01:19:12,621 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:19:12,621 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:19:13,131 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 01:19:13,131 INFO L272 AbstractInterpreter]: Visited 171 different actions 336 times. Merged at 4 different actions 4 times. Never widened. Performed 7831 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7831 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-11-23 01:19:13,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:19:13,142 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 01:19:13,595 INFO L227 lantSequenceWeakener]: Weakened 232 states. On average, predicates are now at 71.58% of their original sizes. [2018-11-23 01:19:13,596 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 01:19:13,794 INFO L415 sIntCurrentIteration]: We unified 236 AI predicates to 236 [2018-11-23 01:19:13,794 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 01:19:13,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 01:19:13,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [21] imperfect sequences [6] total 25 [2018-11-23 01:19:13,795 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:19:13,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-11-23 01:19:13,795 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-11-23 01:19:13,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=339, Unknown=0, NotChecked=0, Total=420 [2018-11-23 01:19:13,796 INFO L87 Difference]: Start difference. First operand 2634 states and 4091 transitions. Second operand 21 states. [2018-11-23 01:19:32,033 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:19:32,033 INFO L93 Difference]: Finished difference Result 5267 states and 8272 transitions. [2018-11-23 01:19:32,033 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 01:19:32,033 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 237 [2018-11-23 01:19:32,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:19:32,043 INFO L225 Difference]: With dead ends: 5267 [2018-11-23 01:19:32,043 INFO L226 Difference]: Without dead ends: 2846 [2018-11-23 01:19:32,049 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 245 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=187, Invalid=683, Unknown=0, NotChecked=0, Total=870 [2018-11-23 01:19:32,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2846 states. [2018-11-23 01:19:32,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2846 to 2844. [2018-11-23 01:19:32,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2844 states. [2018-11-23 01:19:32,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2844 states to 2844 states and 4318 transitions. [2018-11-23 01:19:32,121 INFO L78 Accepts]: Start accepts. Automaton has 2844 states and 4318 transitions. Word has length 237 [2018-11-23 01:19:32,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:19:32,122 INFO L480 AbstractCegarLoop]: Abstraction has 2844 states and 4318 transitions. [2018-11-23 01:19:32,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-11-23 01:19:32,122 INFO L276 IsEmpty]: Start isEmpty. Operand 2844 states and 4318 transitions. [2018-11-23 01:19:32,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-11-23 01:19:32,130 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:19:32,131 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:19:32,131 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:19:32,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:19:32,131 INFO L82 PathProgramCache]: Analyzing trace with hash 975693672, now seen corresponding path program 1 times [2018-11-23 01:19:32,131 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:19:32,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:19:32,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:19:32,133 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:19:32,133 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:19:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:19:32,292 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 95 proven. 30 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 01:19:32,292 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:19:32,293 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:19:32,293 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 248 with the following transitions: [2018-11-23 01:19:32,293 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [20], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [68], [71], [75], [76], [80], [84], [88], [92], [95], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [789], [791], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-11-23 01:19:32,300 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:19:32,300 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:19:33,196 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:19:33,196 INFO L272 AbstractInterpreter]: Visited 172 different actions 513 times. Merged at 7 different actions 19 times. Never widened. Performed 12772 root evaluator evaluations with a maximum evaluation depth of 3. Performed 12772 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 88 variables. [2018-11-23 01:19:33,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:19:33,203 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:19:33,203 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:19:33,203 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89db8de4-c5dc-489b-8735-5c99d0f18d18/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 01:19:33,209 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:19:33,209 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:19:33,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:19:33,367 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:19:33,473 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-23 01:19:33,473 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:19:33,593 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 97 proven. 10 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-11-23 01:19:33,620 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:19:33,620 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 01:19:33,620 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:19:33,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 01:19:33,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 01:19:33,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-23 01:19:33,621 INFO L87 Difference]: Start difference. First operand 2844 states and 4318 transitions. Second operand 9 states. [2018-11-23 01:19:34,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:19:34,818 INFO L93 Difference]: Finished difference Result 7579 states and 12328 transitions. [2018-11-23 01:19:34,822 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 01:19:34,822 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 247 [2018-11-23 01:19:34,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:19:34,839 INFO L225 Difference]: With dead ends: 7579 [2018-11-23 01:19:34,839 INFO L226 Difference]: Without dead ends: 5158 [2018-11-23 01:19:34,848 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 511 GetRequests, 494 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=87, Invalid=219, Unknown=0, NotChecked=0, Total=306 [2018-11-23 01:19:34,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5158 states. [2018-11-23 01:19:34,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5158 to 4868. [2018-11-23 01:19:34,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4868 states. [2018-11-23 01:19:34,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4868 states to 4868 states and 7011 transitions. [2018-11-23 01:19:34,964 INFO L78 Accepts]: Start accepts. Automaton has 4868 states and 7011 transitions. Word has length 247 [2018-11-23 01:19:34,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:19:34,964 INFO L480 AbstractCegarLoop]: Abstraction has 4868 states and 7011 transitions. [2018-11-23 01:19:34,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 01:19:34,965 INFO L276 IsEmpty]: Start isEmpty. Operand 4868 states and 7011 transitions. [2018-11-23 01:19:34,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-11-23 01:19:34,977 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:19:34,978 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:19:34,978 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:19:34,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:19:34,978 INFO L82 PathProgramCache]: Analyzing trace with hash -1506214579, now seen corresponding path program 1 times [2018-11-23 01:19:34,978 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:19:34,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:19:34,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:19:34,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:19:34,979 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:19:35,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:19:35,163 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 146 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:19:35,164 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:19:35,164 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:19:35,164 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 293 with the following transitions: [2018-11-23 01:19:35,164 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [95], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [436], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [789], [791], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-11-23 01:19:35,169 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:19:35,170 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:19:35,860 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:19:35,860 INFO L272 AbstractInterpreter]: Visited 170 different actions 503 times. Merged at 6 different actions 15 times. Never widened. Performed 12358 root evaluator evaluations with a maximum evaluation depth of 3. Performed 12358 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 88 variables. [2018-11-23 01:19:35,862 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:19:35,862 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:19:35,862 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:19:35,862 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89db8de4-c5dc-489b-8735-5c99d0f18d18/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 01:19:35,868 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:19:35,868 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:19:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:19:35,974 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:19:36,025 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 146 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:19:36,025 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:19:36,095 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 146 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:19:36,120 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:19:36,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-23 01:19:36,121 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:19:36,121 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:19:36,121 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:19:36,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:19:36,122 INFO L87 Difference]: Start difference. First operand 4868 states and 7011 transitions. Second operand 7 states. [2018-11-23 01:19:37,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:19:37,708 INFO L93 Difference]: Finished difference Result 17203 states and 27529 transitions. [2018-11-23 01:19:37,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 01:19:37,710 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 292 [2018-11-23 01:19:37,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:19:37,757 INFO L225 Difference]: With dead ends: 17203 [2018-11-23 01:19:37,758 INFO L226 Difference]: Without dead ends: 12758 [2018-11-23 01:19:37,777 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 593 GetRequests, 583 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-11-23 01:19:37,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12758 states. [2018-11-23 01:19:38,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12758 to 12549. [2018-11-23 01:19:38,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12549 states. [2018-11-23 01:19:38,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12549 states to 12549 states and 17647 transitions. [2018-11-23 01:19:38,074 INFO L78 Accepts]: Start accepts. Automaton has 12549 states and 17647 transitions. Word has length 292 [2018-11-23 01:19:38,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:19:38,074 INFO L480 AbstractCegarLoop]: Abstraction has 12549 states and 17647 transitions. [2018-11-23 01:19:38,074 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:19:38,075 INFO L276 IsEmpty]: Start isEmpty. Operand 12549 states and 17647 transitions. [2018-11-23 01:19:38,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-11-23 01:19:38,099 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:19:38,100 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:19:38,100 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:19:38,100 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:19:38,100 INFO L82 PathProgramCache]: Analyzing trace with hash -1496767028, now seen corresponding path program 1 times [2018-11-23 01:19:38,100 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:19:38,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:19:38,101 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:19:38,101 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:19:38,101 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:19:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:19:38,307 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 148 proven. 35 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 01:19:38,307 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:19:38,307 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:19:38,307 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 301 with the following transitions: [2018-11-23 01:19:38,308 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [20], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [95], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [315], [320], [322], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [789], [791], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-11-23 01:19:38,314 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:19:38,315 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:19:39,421 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:19:39,422 INFO L272 AbstractInterpreter]: Visited 174 different actions 695 times. Merged at 8 different actions 35 times. Widened at 1 different actions 1 times. Performed 17473 root evaluator evaluations with a maximum evaluation depth of 3. Performed 17473 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 9 fixpoints after 3 different actions. Largest state had 88 variables. [2018-11-23 01:19:39,423 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:19:39,423 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:19:39,423 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:19:39,423 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89db8de4-c5dc-489b-8735-5c99d0f18d18/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 01:19:39,430 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:19:39,430 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:19:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:19:39,585 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:19:39,725 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 175 proven. 2 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-11-23 01:19:39,726 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:19:39,861 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 148 proven. 35 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-23 01:19:39,877 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:19:39,877 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 13 [2018-11-23 01:19:39,877 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:19:39,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 01:19:39,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 01:19:39,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2018-11-23 01:19:39,878 INFO L87 Difference]: Start difference. First operand 12549 states and 17647 transitions. Second operand 10 states. [2018-11-23 01:19:43,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:19:43,924 INFO L93 Difference]: Finished difference Result 48663 states and 78622 transitions. [2018-11-23 01:19:43,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2018-11-23 01:19:43,924 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 300 [2018-11-23 01:19:43,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:19:44,083 INFO L225 Difference]: With dead ends: 48663 [2018-11-23 01:19:44,083 INFO L226 Difference]: Without dead ends: 36537 [2018-11-23 01:19:44,151 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 694 GetRequests, 637 SyntacticMatches, 1 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 987 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=646, Invalid=2660, Unknown=0, NotChecked=0, Total=3306 [2018-11-23 01:19:44,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36537 states. [2018-11-23 01:19:44,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36537 to 35545. [2018-11-23 01:19:44,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35545 states. [2018-11-23 01:19:45,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35545 states to 35545 states and 46669 transitions. [2018-11-23 01:19:45,069 INFO L78 Accepts]: Start accepts. Automaton has 35545 states and 46669 transitions. Word has length 300 [2018-11-23 01:19:45,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:19:45,069 INFO L480 AbstractCegarLoop]: Abstraction has 35545 states and 46669 transitions. [2018-11-23 01:19:45,069 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 01:19:45,069 INFO L276 IsEmpty]: Start isEmpty. Operand 35545 states and 46669 transitions. [2018-11-23 01:19:45,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2018-11-23 01:19:45,108 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:19:45,108 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 01:19:45,108 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:19:45,109 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:19:45,109 INFO L82 PathProgramCache]: Analyzing trace with hash 48859254, now seen corresponding path program 1 times [2018-11-23 01:19:45,109 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:19:45,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:19:45,111 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:19:45,111 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:19:45,112 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:19:45,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:19:45,356 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 186 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 01:19:45,357 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:19:45,357 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:19:45,357 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 312 with the following transitions: [2018-11-23 01:19:45,357 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [95], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [428], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [789], [791], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-11-23 01:19:45,361 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:19:45,361 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:19:46,308 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:19:46,308 INFO L272 AbstractInterpreter]: Visited 171 different actions 679 times. Merged at 7 different actions 27 times. Widened at 1 different actions 1 times. Performed 17244 root evaluator evaluations with a maximum evaluation depth of 3. Performed 17244 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 88 variables. [2018-11-23 01:19:46,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:19:46,318 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:19:46,318 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:19:46,318 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89db8de4-c5dc-489b-8735-5c99d0f18d18/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 01:19:46,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:19:46,325 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:19:46,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:19:46,434 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:19:46,496 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 186 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 01:19:46,496 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:19:46,562 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 186 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 01:19:46,578 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:19:46,578 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 01:19:46,578 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:19:46,579 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 01:19:46,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 01:19:46,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2018-11-23 01:19:46,579 INFO L87 Difference]: Start difference. First operand 35545 states and 46669 transitions. Second operand 9 states. [2018-11-23 01:19:48,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:19:48,604 INFO L93 Difference]: Finished difference Result 68170 states and 90104 transitions. [2018-11-23 01:19:48,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-23 01:19:48,604 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 311 [2018-11-23 01:19:48,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:19:48,705 INFO L225 Difference]: With dead ends: 68170 [2018-11-23 01:19:48,705 INFO L226 Difference]: Without dead ends: 42949 [2018-11-23 01:19:48,765 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 658 GetRequests, 632 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=181, Invalid=521, Unknown=0, NotChecked=0, Total=702 [2018-11-23 01:19:48,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42949 states. [2018-11-23 01:19:49,289 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42949 to 42791. [2018-11-23 01:19:49,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42791 states. [2018-11-23 01:19:49,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42791 states to 42791 states and 54133 transitions. [2018-11-23 01:19:49,350 INFO L78 Accepts]: Start accepts. Automaton has 42791 states and 54133 transitions. Word has length 311 [2018-11-23 01:19:49,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:19:49,351 INFO L480 AbstractCegarLoop]: Abstraction has 42791 states and 54133 transitions. [2018-11-23 01:19:49,351 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 01:19:49,351 INFO L276 IsEmpty]: Start isEmpty. Operand 42791 states and 54133 transitions. [2018-11-23 01:19:49,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 341 [2018-11-23 01:19:49,383 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:19:49,384 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:19:49,384 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:19:49,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:19:49,384 INFO L82 PathProgramCache]: Analyzing trace with hash 1952493399, now seen corresponding path program 1 times [2018-11-23 01:19:49,384 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:19:49,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:19:49,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:19:49,385 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:19:49,385 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:19:49,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:19:49,564 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 172 proven. 4 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-23 01:19:49,564 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:19:49,564 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:19:49,564 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 341 with the following transitions: [2018-11-23 01:19:49,565 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [10], [12], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [95], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [139], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [436], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [789], [791], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-11-23 01:19:49,568 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:19:49,568 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:19:50,380 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:19:50,380 INFO L272 AbstractInterpreter]: Visited 173 different actions 513 times. Merged at 7 different actions 18 times. Never widened. Performed 12539 root evaluator evaluations with a maximum evaluation depth of 3. Performed 12539 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 2 different actions. Largest state had 88 variables. [2018-11-23 01:19:50,382 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:19:50,382 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:19:50,382 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:19:50,382 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89db8de4-c5dc-489b-8735-5c99d0f18d18/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:19:50,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:19:50,388 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:19:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:19:50,528 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:19:50,567 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-23 01:19:50,567 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:19:50,623 INFO L134 CoverageAnalysis]: Checked inductivity of 277 backedges. 172 proven. 4 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2018-11-23 01:19:50,640 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-11-23 01:19:50,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [4, 4] total 4 [2018-11-23 01:19:50,640 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 01:19:50,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 01:19:50,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 01:19:50,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:19:50,641 INFO L87 Difference]: Start difference. First operand 42791 states and 54133 transitions. Second operand 3 states. [2018-11-23 01:19:51,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:19:51,133 INFO L93 Difference]: Finished difference Result 66965 states and 84278 transitions. [2018-11-23 01:19:51,133 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 01:19:51,133 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 340 [2018-11-23 01:19:51,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:19:51,238 INFO L225 Difference]: With dead ends: 66965 [2018-11-23 01:19:51,238 INFO L226 Difference]: Without dead ends: 42785 [2018-11-23 01:19:51,282 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 683 GetRequests, 681 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-23 01:19:51,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42785 states. [2018-11-23 01:19:51,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42785 to 42785. [2018-11-23 01:19:51,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42785 states. [2018-11-23 01:19:51,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42785 states to 42785 states and 54118 transitions. [2018-11-23 01:19:51,862 INFO L78 Accepts]: Start accepts. Automaton has 42785 states and 54118 transitions. Word has length 340 [2018-11-23 01:19:51,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:19:51,863 INFO L480 AbstractCegarLoop]: Abstraction has 42785 states and 54118 transitions. [2018-11-23 01:19:51,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 01:19:51,863 INFO L276 IsEmpty]: Start isEmpty. Operand 42785 states and 54118 transitions. [2018-11-23 01:19:51,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-11-23 01:19:51,900 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 01:19:51,900 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:19:51,900 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 01:19:51,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:19:51,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1336352340, now seen corresponding path program 1 times [2018-11-23 01:19:51,900 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 01:19:51,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:19:51,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:19:51,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 01:19:51,901 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 01:19:51,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:19:52,075 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 195 proven. 20 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-11-23 01:19:52,076 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:19:52,076 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 01:19:52,076 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 360 with the following transitions: [2018-11-23 01:19:52,076 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [8], [12], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [56], [57], [61], [65], [76], [80], [84], [88], [92], [95], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [139], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [436], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [789], [791], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-11-23 01:19:52,079 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 01:19:52,079 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 01:19:52,929 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 01:19:52,929 INFO L272 AbstractInterpreter]: Visited 175 different actions 696 times. Merged at 9 different actions 33 times. Never widened. Performed 17006 root evaluator evaluations with a maximum evaluation depth of 3. Performed 17006 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 12 fixpoints after 3 different actions. Largest state had 88 variables. [2018-11-23 01:19:52,931 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:19:52,931 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 01:19:52,931 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 01:19:52,931 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_89db8de4-c5dc-489b-8735-5c99d0f18d18/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 01:19:52,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 01:19:52,938 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 01:19:53,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:19:53,075 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 01:19:53,144 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 204 proven. 72 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-23 01:19:53,144 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 01:19:53,256 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 270 proven. 6 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-11-23 01:19:53,271 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 01:19:53,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 4] total 8 [2018-11-23 01:19:53,271 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 01:19:53,272 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 01:19:53,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 01:19:53,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-11-23 01:19:53,272 INFO L87 Difference]: Start difference. First operand 42785 states and 54118 transitions. Second operand 7 states. [2018-11-23 01:19:54,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 01:19:54,660 INFO L93 Difference]: Finished difference Result 78786 states and 99729 transitions. [2018-11-23 01:19:54,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 01:19:54,660 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 359 [2018-11-23 01:19:54,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 01:19:54,661 INFO L225 Difference]: With dead ends: 78786 [2018-11-23 01:19:54,661 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 01:19:54,745 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 740 GetRequests, 720 SyntacticMatches, 5 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=196, Unknown=0, NotChecked=0, Total=272 [2018-11-23 01:19:54,745 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 01:19:54,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 01:19:54,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 01:19:54,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 01:19:54,746 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 359 [2018-11-23 01:19:54,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 01:19:54,746 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 01:19:54,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 01:19:54,746 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 01:19:54,746 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:19:54,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 01:19:55,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:55,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:55,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:55,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,011 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,072 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,265 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,563 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,572 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:56,880 WARN L180 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 894 DAG size of output: 757 [2018-11-23 01:19:56,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,552 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,827 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,943 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:57,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:58,004 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:58,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:58,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:58,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:58,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:58,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 01:19:58,180 WARN L180 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 888 DAG size of output: 751 [2018-11-23 01:19:58,425 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 128 [2018-11-23 01:20:00,436 WARN L180 SmtUtils]: Spent 1.98 s on a formula simplification. DAG size of input: 618 DAG size of output: 181 [2018-11-23 01:20:03,881 WARN L180 SmtUtils]: Spent 3.43 s on a formula simplification. DAG size of input: 800 DAG size of output: 121 [2018-11-23 01:20:07,445 WARN L180 SmtUtils]: Spent 3.56 s on a formula simplification. DAG size of input: 794 DAG size of output: 121 [2018-11-23 01:20:07,447 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:20:07,447 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a11~0 |old(~a11~0)|) (= ~a27~0 |old(~a27~0)|) (= |old(~a3~0)| ~a3~0) (<= ~a6~0 |old(~a6~0)|) (= ~a5~0 |old(~a5~0)|) (= ~a26~0 |old(~a26~0)|)) [2018-11-23 01:20:07,447 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:20:07,447 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-11-23 01:20:07,447 INFO L448 ceAbstractionStarter]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2018-11-23 01:20:07,447 INFO L448 ceAbstractionStarter]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,447 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,447 INFO L448 ceAbstractionStarter]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,447 INFO L448 ceAbstractionStarter]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,447 INFO L448 ceAbstractionStarter]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,447 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,447 INFO L448 ceAbstractionStarter]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L1623(line 1623) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L1557(line 1557) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L1491(line 1491) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L1626(line 1626) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L1560(line 1560) no Hoare annotation was computed. [2018-11-23 01:20:07,448 INFO L448 ceAbstractionStarter]: For program point L1494(line 1494) no Hoare annotation was computed. [2018-11-23 01:20:07,449 INFO L448 ceAbstractionStarter]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,449 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,449 INFO L448 ceAbstractionStarter]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,449 INFO L448 ceAbstractionStarter]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,449 INFO L448 ceAbstractionStarter]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,449 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,449 INFO L448 ceAbstractionStarter]: For program point L1629(line 1629) no Hoare annotation was computed. [2018-11-23 01:20:07,449 INFO L448 ceAbstractionStarter]: For program point L1563(line 1563) no Hoare annotation was computed. [2018-11-23 01:20:07,449 INFO L448 ceAbstractionStarter]: For program point L1497(line 1497) no Hoare annotation was computed. [2018-11-23 01:20:07,449 INFO L448 ceAbstractionStarter]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,449 INFO L448 ceAbstractionStarter]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,449 INFO L448 ceAbstractionStarter]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,449 INFO L448 ceAbstractionStarter]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,449 INFO L448 ceAbstractionStarter]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,449 INFO L448 ceAbstractionStarter]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,449 INFO L448 ceAbstractionStarter]: For program point L1632(line 1632) no Hoare annotation was computed. [2018-11-23 01:20:07,449 INFO L448 ceAbstractionStarter]: For program point L1566(line 1566) no Hoare annotation was computed. [2018-11-23 01:20:07,449 INFO L448 ceAbstractionStarter]: For program point L1500(line 1500) no Hoare annotation was computed. [2018-11-23 01:20:07,449 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,449 INFO L448 ceAbstractionStarter]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,450 INFO L448 ceAbstractionStarter]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,450 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2018-11-23 01:20:07,450 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,450 INFO L448 ceAbstractionStarter]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2018-11-23 01:20:07,450 INFO L448 ceAbstractionStarter]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,450 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,450 INFO L448 ceAbstractionStarter]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2018-11-23 01:20:07,450 INFO L448 ceAbstractionStarter]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2018-11-23 01:20:07,450 INFO L448 ceAbstractionStarter]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,450 INFO L448 ceAbstractionStarter]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,450 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,450 INFO L448 ceAbstractionStarter]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,450 INFO L448 ceAbstractionStarter]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,450 INFO L448 ceAbstractionStarter]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,450 INFO L448 ceAbstractionStarter]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,450 INFO L448 ceAbstractionStarter]: For program point L710(lines 710 731) no Hoare annotation was computed. [2018-11-23 01:20:07,450 INFO L448 ceAbstractionStarter]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2018-11-23 01:20:07,450 INFO L448 ceAbstractionStarter]: For program point L1635(line 1635) no Hoare annotation was computed. [2018-11-23 01:20:07,450 INFO L448 ceAbstractionStarter]: For program point L1569(line 1569) no Hoare annotation was computed. [2018-11-23 01:20:07,451 INFO L448 ceAbstractionStarter]: For program point L1503(line 1503) no Hoare annotation was computed. [2018-11-23 01:20:07,451 INFO L448 ceAbstractionStarter]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,451 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,451 INFO L448 ceAbstractionStarter]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,451 INFO L448 ceAbstractionStarter]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,451 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,451 INFO L448 ceAbstractionStarter]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,451 INFO L448 ceAbstractionStarter]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,451 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,451 INFO L448 ceAbstractionStarter]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,451 INFO L448 ceAbstractionStarter]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,451 INFO L448 ceAbstractionStarter]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,451 INFO L448 ceAbstractionStarter]: For program point L1638(line 1638) no Hoare annotation was computed. [2018-11-23 01:20:07,451 INFO L448 ceAbstractionStarter]: For program point L1572(line 1572) no Hoare annotation was computed. [2018-11-23 01:20:07,451 INFO L448 ceAbstractionStarter]: For program point L1506(line 1506) no Hoare annotation was computed. [2018-11-23 01:20:07,451 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,451 INFO L448 ceAbstractionStarter]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,451 INFO L448 ceAbstractionStarter]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,451 INFO L448 ceAbstractionStarter]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L1641(line 1641) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L1575(line 1575) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 71) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L1644(line 1644) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L1578(line 1578) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,452 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,453 INFO L448 ceAbstractionStarter]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,453 INFO L448 ceAbstractionStarter]: For program point L918(lines 918 935) no Hoare annotation was computed. [2018-11-23 01:20:07,453 INFO L448 ceAbstractionStarter]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2018-11-23 01:20:07,453 INFO L448 ceAbstractionStarter]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,453 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 54 1650) the Hoare annotation is: (let ((.cse1 (= ~a12~0 |old(~a12~0)|)) (.cse2 (= ~a26~0 |old(~a26~0)|)) (.cse4 (= ~a27~0 |old(~a27~0)|)) (.cse5 (= |old(~a3~0)| ~a3~0)) (.cse6 (<= ~a6~0 |old(~a6~0)|)) (.cse14 (= 1 ~a11~0)) (.cse7 (= ~a5~0 |old(~a5~0)|)) (.cse26 (= 1 |old(~a3~0)|))) (let ((.cse13 (= ~a27~0 ~a26~0)) (.cse12 (not (= |old(~a26~0)| |old(~a27~0)|))) (.cse10 (< 0 |old(~a11~0)|)) (.cse3 (= |old(~a11~0)| ~a11~0)) (.cse29 (and (= |old(~a3~0)| |old(~a11~0)|) .cse26)) (.cse25 (not (= 1 |old(~a27~0)|))) (.cse27 (not (= 1 |old(~a12~0)|))) (.cse28 (= 1 ~a12~0)) (.cse32 (= ~a26~0 ~a11~0)) (.cse33 (not (= |old(~a11~0)| |old(~a26~0)|))) (.cse31 (< 0 |old(~a6~0)|)) (.cse30 (and .cse1 .cse2 .cse4 .cse5 .cse6 .cse14 .cse7)) (.cse0 (not (= 1 |old(~a5~0)|))) (.cse8 (< 0 |old(~a12~0)|)) (.cse9 (not (= 1 ~a18~0))) (.cse11 (not (= 1 |old(~a11~0)|)))) (and (or .cse0 (and .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) .cse8 .cse9 .cse10) (or .cse0 .cse8 .cse9 .cse11 .cse12 (and .cse1 .cse13 .cse4 .cse5 .cse6 .cse14 .cse7)) (or (and (and (= ~a19~0 0) (= ~a4~0 1) (= ~a8~0 0) (= ~a16~0 1) (= ~a15~0 1) (= ~a0~0 1) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a23~0 0) (= ~a22~0 1) (= ~a1~0 1) (= ~a29~0 1) (= ~a6~0 0) (= ~a14~0 0)) (= ~a7~0 0) (= ~a10~0 1) (= ~a2~0 0)) (let ((.cse15 (not (= 1 |old(~a10~0)|))) (.cse16 (not (= 1 |old(~a22~0)|))) (.cse17 (not (= 0 |old(~a11~0)|))) (.cse18 (not (= 1 |old(~a16~0)|))) (.cse19 (not (= 0 |old(~a26~0)|))) (.cse20 (not (= 1 |old(~a1~0)|))) (.cse21 (not (= 0 |old(~a2~0)|))) (.cse22 (not (= 0 |old(~a12~0)|))) (.cse23 (not (= 0 |old(~a25~0)|))) (.cse24 (not (= 0 |old(~a7~0)|)))) (and (or .cse15 .cse16 .cse17 .cse18 .cse9 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24 .cse25) (or .cse15 (not (= 0 |old(~a27~0)|)) .cse16 .cse17 .cse18 .cse9 .cse19 .cse20 .cse21 .cse22 .cse23 .cse24))) (not (= 0 |old(~a6~0)|)) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (= |calculate_output_#in~input| 0) (not (= 0 |old(~a8~0)|)) (not (= 0 |old(~a14~0)|)) (not .cse26) (not (= 0 |old(~a17~0)|)) .cse0 (not (= 1 |old(~a4~0)|))) (or .cse27 (and .cse13 .cse4 .cse5 .cse6 .cse14 .cse7 .cse28) (= 2 |old(~a3~0)|) .cse0 .cse9 .cse11 .cse12) (or .cse0 .cse8 .cse9 .cse11 .cse29 .cse30) (or .cse27 (and .cse2 .cse4 .cse5 .cse6 .cse14 .cse7 .cse28) .cse31 .cse0 .cse9 .cse11) (or .cse27 .cse0 .cse9 .cse10 (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse28)) (or .cse27 (and .cse2 .cse5 .cse6 .cse14 .cse7 (= 1 ~a27~0) .cse28) .cse0 .cse9 .cse11 .cse29 .cse25) (or .cse27 .cse0 .cse9 (and .cse4 .cse5 .cse6 .cse14 .cse7 .cse32 .cse28) .cse11 (< 0 |old(~a3~0)|) .cse33) (or (and .cse1 .cse4 .cse5 .cse6 .cse14 .cse7 .cse32) .cse0 .cse8 .cse9 .cse11 .cse33) (or .cse31 .cse30 .cse0 .cse8 .cse9 .cse11)))) [2018-11-23 01:20:07,453 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,453 INFO L448 ceAbstractionStarter]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,453 INFO L448 ceAbstractionStarter]: For program point L192(lines 192 211) no Hoare annotation was computed. [2018-11-23 01:20:07,454 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,454 INFO L448 ceAbstractionStarter]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2018-11-23 01:20:07,454 INFO L448 ceAbstractionStarter]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,454 INFO L448 ceAbstractionStarter]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2018-11-23 01:20:07,454 INFO L448 ceAbstractionStarter]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,454 INFO L448 ceAbstractionStarter]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,454 INFO L448 ceAbstractionStarter]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2018-11-23 01:20:07,454 INFO L448 ceAbstractionStarter]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2018-11-23 01:20:07,454 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2018-11-23 01:20:07,454 INFO L448 ceAbstractionStarter]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2018-11-23 01:20:07,454 INFO L448 ceAbstractionStarter]: For program point L1647(line 1647) no Hoare annotation was computed. [2018-11-23 01:20:07,454 INFO L448 ceAbstractionStarter]: For program point L1581(line 1581) no Hoare annotation was computed. [2018-11-23 01:20:07,454 INFO L448 ceAbstractionStarter]: For program point L1515(line 1515) no Hoare annotation was computed. [2018-11-23 01:20:07,454 INFO L448 ceAbstractionStarter]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,455 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,455 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,455 INFO L448 ceAbstractionStarter]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,455 INFO L448 ceAbstractionStarter]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,455 INFO L448 ceAbstractionStarter]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,455 INFO L448 ceAbstractionStarter]: For program point L1584(line 1584) no Hoare annotation was computed. [2018-11-23 01:20:07,455 INFO L448 ceAbstractionStarter]: For program point L1518(line 1518) no Hoare annotation was computed. [2018-11-23 01:20:07,455 INFO L448 ceAbstractionStarter]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,455 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,455 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,455 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,455 INFO L448 ceAbstractionStarter]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,455 INFO L448 ceAbstractionStarter]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,455 INFO L448 ceAbstractionStarter]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,455 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,456 INFO L448 ceAbstractionStarter]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,456 INFO L448 ceAbstractionStarter]: For program point L1587(line 1587) no Hoare annotation was computed. [2018-11-23 01:20:07,456 INFO L448 ceAbstractionStarter]: For program point L1521(line 1521) no Hoare annotation was computed. [2018-11-23 01:20:07,456 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,456 INFO L448 ceAbstractionStarter]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,456 INFO L448 ceAbstractionStarter]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,456 INFO L448 ceAbstractionStarter]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,456 INFO L448 ceAbstractionStarter]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,456 INFO L448 ceAbstractionStarter]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,456 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,456 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,456 INFO L448 ceAbstractionStarter]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,456 INFO L448 ceAbstractionStarter]: For program point L1590(line 1590) no Hoare annotation was computed. [2018-11-23 01:20:07,456 INFO L448 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2018-11-23 01:20:07,456 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,456 INFO L448 ceAbstractionStarter]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,457 INFO L448 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2018-11-23 01:20:07,457 INFO L448 ceAbstractionStarter]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2018-11-23 01:20:07,457 INFO L448 ceAbstractionStarter]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,457 INFO L448 ceAbstractionStarter]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,457 INFO L448 ceAbstractionStarter]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,457 INFO L448 ceAbstractionStarter]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,457 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,457 INFO L448 ceAbstractionStarter]: For program point L1593(line 1593) no Hoare annotation was computed. [2018-11-23 01:20:07,457 INFO L448 ceAbstractionStarter]: For program point L1527(line 1527) no Hoare annotation was computed. [2018-11-23 01:20:07,457 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,457 INFO L448 ceAbstractionStarter]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,457 INFO L448 ceAbstractionStarter]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,457 INFO L448 ceAbstractionStarter]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,457 INFO L448 ceAbstractionStarter]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,457 INFO L448 ceAbstractionStarter]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,458 INFO L448 ceAbstractionStarter]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,458 INFO L448 ceAbstractionStarter]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,458 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 887) no Hoare annotation was computed. [2018-11-23 01:20:07,458 INFO L448 ceAbstractionStarter]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2018-11-23 01:20:07,458 INFO L448 ceAbstractionStarter]: For program point L1596(line 1596) no Hoare annotation was computed. [2018-11-23 01:20:07,458 INFO L448 ceAbstractionStarter]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,458 INFO L448 ceAbstractionStarter]: For program point L1530(line 1530) no Hoare annotation was computed. [2018-11-23 01:20:07,458 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,458 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,458 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,458 INFO L448 ceAbstractionStarter]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,458 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,458 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1512) no Hoare annotation was computed. [2018-11-23 01:20:07,458 INFO L448 ceAbstractionStarter]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,458 INFO L448 ceAbstractionStarter]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,458 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2018-11-23 01:20:07,458 INFO L448 ceAbstractionStarter]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,458 INFO L448 ceAbstractionStarter]: For program point L1599(line 1599) no Hoare annotation was computed. [2018-11-23 01:20:07,458 INFO L448 ceAbstractionStarter]: For program point L1533(line 1533) no Hoare annotation was computed. [2018-11-23 01:20:07,458 INFO L448 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L1602(line 1602) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L1536(line 1536) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L1470(line 1470) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,459 INFO L448 ceAbstractionStarter]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,460 INFO L448 ceAbstractionStarter]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,460 INFO L448 ceAbstractionStarter]: For program point L1605(line 1605) no Hoare annotation was computed. [2018-11-23 01:20:07,460 INFO L448 ceAbstractionStarter]: For program point L1539(line 1539) no Hoare annotation was computed. [2018-11-23 01:20:07,460 INFO L448 ceAbstractionStarter]: For program point L1473(line 1473) no Hoare annotation was computed. [2018-11-23 01:20:07,460 INFO L448 ceAbstractionStarter]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,460 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,460 INFO L448 ceAbstractionStarter]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,460 INFO L448 ceAbstractionStarter]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,460 INFO L448 ceAbstractionStarter]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,460 INFO L448 ceAbstractionStarter]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,460 INFO L448 ceAbstractionStarter]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,460 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2018-11-23 01:20:07,460 INFO L448 ceAbstractionStarter]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2018-11-23 01:20:07,460 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,460 INFO L448 ceAbstractionStarter]: For program point L1608(line 1608) no Hoare annotation was computed. [2018-11-23 01:20:07,460 INFO L448 ceAbstractionStarter]: For program point L1542(line 1542) no Hoare annotation was computed. [2018-11-23 01:20:07,460 INFO L448 ceAbstractionStarter]: For program point L1476(line 1476) no Hoare annotation was computed. [2018-11-23 01:20:07,460 INFO L448 ceAbstractionStarter]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,460 INFO L448 ceAbstractionStarter]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,460 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,460 INFO L448 ceAbstractionStarter]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,461 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,461 INFO L448 ceAbstractionStarter]: For program point L685(lines 685 699) no Hoare annotation was computed. [2018-11-23 01:20:07,461 INFO L448 ceAbstractionStarter]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2018-11-23 01:20:07,461 INFO L448 ceAbstractionStarter]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,461 INFO L448 ceAbstractionStarter]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,461 INFO L448 ceAbstractionStarter]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,461 INFO L448 ceAbstractionStarter]: For program point L1611(line 1611) no Hoare annotation was computed. [2018-11-23 01:20:07,461 INFO L448 ceAbstractionStarter]: For program point L1545(line 1545) no Hoare annotation was computed. [2018-11-23 01:20:07,461 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,461 INFO L448 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2018-11-23 01:20:07,461 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,461 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,461 INFO L448 ceAbstractionStarter]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,461 INFO L448 ceAbstractionStarter]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,461 INFO L448 ceAbstractionStarter]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,462 INFO L448 ceAbstractionStarter]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,462 INFO L448 ceAbstractionStarter]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,462 INFO L448 ceAbstractionStarter]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,462 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,462 INFO L448 ceAbstractionStarter]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,462 INFO L448 ceAbstractionStarter]: For program point L1614(line 1614) no Hoare annotation was computed. [2018-11-23 01:20:07,462 INFO L448 ceAbstractionStarter]: For program point L1548(line 1548) no Hoare annotation was computed. [2018-11-23 01:20:07,462 INFO L448 ceAbstractionStarter]: For program point L1482(line 1482) no Hoare annotation was computed. [2018-11-23 01:20:07,462 INFO L448 ceAbstractionStarter]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,462 INFO L448 ceAbstractionStarter]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2018-11-23 01:20:07,462 INFO L448 ceAbstractionStarter]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2018-11-23 01:20:07,462 INFO L448 ceAbstractionStarter]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,462 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,463 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,463 INFO L448 ceAbstractionStarter]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,463 INFO L448 ceAbstractionStarter]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,463 INFO L448 ceAbstractionStarter]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,463 INFO L448 ceAbstractionStarter]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,463 INFO L448 ceAbstractionStarter]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,463 INFO L448 ceAbstractionStarter]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,463 INFO L448 ceAbstractionStarter]: For program point L1617(line 1617) no Hoare annotation was computed. [2018-11-23 01:20:07,463 INFO L448 ceAbstractionStarter]: For program point L1551(line 1551) no Hoare annotation was computed. [2018-11-23 01:20:07,463 INFO L448 ceAbstractionStarter]: For program point L1485(line 1485) no Hoare annotation was computed. [2018-11-23 01:20:07,463 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,463 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,463 INFO L448 ceAbstractionStarter]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,463 INFO L448 ceAbstractionStarter]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,464 INFO L448 ceAbstractionStarter]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2018-11-23 01:20:07,464 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,464 INFO L448 ceAbstractionStarter]: For program point L1620(line 1620) no Hoare annotation was computed. [2018-11-23 01:20:07,464 INFO L448 ceAbstractionStarter]: For program point L1554(line 1554) no Hoare annotation was computed. [2018-11-23 01:20:07,464 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,464 INFO L448 ceAbstractionStarter]: For program point L1488(line 1488) no Hoare annotation was computed. [2018-11-23 01:20:07,464 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2018-11-23 01:20:07,464 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 01:20:07,464 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a12~0 0) (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 1) (= ~a0~0 1) (= ~a11~0 0) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a27~0 1) (= ~a23~0 0) (= ~a22~0 1) (= ~a1~0 1) (= ~a29~0 1) (= ~a6~0 0) (= ~a14~0 0) (= ~a3~0 1) (= ~a19~0 0) (= ~a18~0 1) (= ~a8~0 0) (= ~a5~0 1) (= ~a7~0 0) (= ~a10~0 1) (= ~a2~0 0) (= ~a26~0 ~a11~0)) [2018-11-23 01:20:07,464 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 01:20:07,464 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 01:20:07,464 INFO L448 ceAbstractionStarter]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2018-11-23 01:20:07,464 INFO L448 ceAbstractionStarter]: For program point L1663(line 1663) no Hoare annotation was computed. [2018-11-23 01:20:07,464 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1652 1669) the Hoare annotation is: (or (and (= ~a12~0 0) (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 1) (= ~a0~0 1) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a27~0 1) (= ~a23~0 0) (= ~a22~0 1) (= ~a1~0 1) (= ~a29~0 1) (= ~a6~0 0) (= ~a14~0 0) (= ~a19~0 0) (= ~a11~0 |old(~a11~0)|) (= ~a8~0 0) (= ~a5~0 1) (= ~a7~0 0) (= ~a10~0 1) (= |old(~a3~0)| ~a3~0) (= ~a2~0 0) (= ~a26~0 ~a11~0)) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a2~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|))) (not (= 0 |old(~a6~0)|)) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (not (= 1 |old(~a27~0)|)) (not (= 0 |old(~a8~0)|)) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|))) [2018-11-23 01:20:07,464 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1652 1669) no Hoare annotation was computed. [2018-11-23 01:20:07,464 INFO L444 ceAbstractionStarter]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse3 (= ~a26~0 ~a11~0)) (.cse4 (= ~a27~0 ~a26~0)) (.cse6 (<= ~a11~0 0)) (.cse8 (or (not (= ~a3~0 ~a11~0)) (not (= 1 ~a3~0)))) (.cse5 (= 1 ~a12~0)) (.cse7 (<= ~a6~0 0)) (.cse0 (<= ~a12~0 0)) (.cse1 (= 1 ~a11~0)) (.cse2 (= ~a5~0 |old(~a5~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 1 |old(~a27~0)|)) (and .cse4 .cse1 .cse2 .cse5 (not (= ~a3~0 2))) (and .cse3 (and (<= ~a3~0 0) .cse1 (and .cse2 .cse5))) (and .cse2 .cse6 .cse5) (and .cse7 .cse1 .cse2 .cse5) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 1 |old(~a29~0)|)) (not (= 0 |old(~a8~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a4~0)|))) (and .cse0 (and .cse1 (and .cse8 .cse2))) (not (= 0 |old(~a19~0)|)) (and .cse0 (and .cse4 .cse1 .cse2)) (not (= 0 |old(~a6~0)|)) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 1 |old(~a5~0)|)) (and .cse0 .cse2 .cse6) (not (= 0 |old(~a2~0)|)) (and (= 1 ~a27~0) (and .cse1 (and .cse8 .cse2 .cse5))) (and .cse7 .cse0 .cse1 .cse2))) [2018-11-23 01:20:07,464 INFO L448 ceAbstractionStarter]: For program point L1658-3(lines 1652 1669) no Hoare annotation was computed. [2018-11-23 01:20:07,465 INFO L444 ceAbstractionStarter]: At program point L1666(line 1666) the Hoare annotation is: (let ((.cse3 (= ~a26~0 ~a11~0)) (.cse4 (= ~a27~0 ~a26~0)) (.cse6 (<= ~a11~0 0)) (.cse8 (or (not (= ~a3~0 ~a11~0)) (not (= 1 ~a3~0)))) (.cse5 (= 1 ~a12~0)) (.cse7 (<= ~a6~0 0)) (.cse0 (<= ~a12~0 0)) (.cse1 (= 1 ~a11~0)) (.cse2 (= ~a5~0 |old(~a5~0)|))) (or (and .cse0 .cse1 .cse2 .cse3) (not (= 1 |old(~a27~0)|)) (and .cse4 .cse1 .cse2 .cse5 (not (= ~a3~0 2))) (and .cse3 (and (<= ~a3~0 0) .cse1 (and .cse2 .cse5))) (and .cse2 .cse6 .cse5) (and .cse7 .cse1 .cse2 .cse5) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 1 |old(~a29~0)|)) (not (= 0 |old(~a8~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a4~0)|))) (and .cse0 (and .cse1 (and .cse8 .cse2))) (not (= 0 |old(~a19~0)|)) (and .cse0 (and .cse4 .cse1 .cse2)) (not (= 0 |old(~a6~0)|)) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 1 |old(~a5~0)|)) (and .cse0 .cse2 .cse6) (not (= 0 |old(~a2~0)|)) (and (= 1 ~a27~0) (and .cse1 (and .cse8 .cse2 .cse5))) (and .cse7 .cse0 .cse1 .cse2))) [2018-11-23 01:20:07,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:20:07 BoogieIcfgContainer [2018-11-23 01:20:07,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 01:20:07,476 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:20:07,476 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:20:07,476 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:20:07,477 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:18:52" (3/4) ... [2018-11-23 01:20:07,480 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:20:07,485 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 01:20:07,485 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 01:20:07,486 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 01:20:07,506 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 01:20:07,508 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 01:20:07,536 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((a12 <= 0 && 1 == a11) && a5 == \old(a5)) && a26 == a11) || !(1 == \old(a27))) || ((((a27 == a26 && 1 == a11) && a5 == \old(a5)) && 1 == a12) && !(a3 == 2))) || (a26 == a11 && (a3 <= 0 && 1 == a11) && a5 == \old(a5) && 1 == a12)) || ((a5 == \old(a5) && a11 <= 0) && 1 == a12)) || (((a6 <= 0 && 1 == a11) && a5 == \old(a5)) && 1 == a12)) || ((((((((((((((((!(1 == \old(a10)) || !(1 == \old(a22))) || !(0 == \old(a11))) || !(1 == \old(a16))) || !(1 == a18)) || !(0 == \old(a26))) || !(1 == \old(a1))) || !(0 == \old(a12))) || !(0 == \old(a25))) || !(0 == \old(a7))) || !(1 == \old(a15))) || !(0 == \old(a20))) || !(0 == \old(a23))) || !(1 == \old(a0))) || !(1 == \old(a29))) || !(0 == \old(a8))) || !(0 == \old(a17))) || !(1 == \old(a4))) || (a12 <= 0 && 1 == a11 && (!(a3 == a11) || !(1 == a3)) && a5 == \old(a5))) || !(0 == \old(a19))) || (a12 <= 0 && (a27 == a26 && 1 == a11) && a5 == \old(a5))) || !(0 == \old(a6))) || !(0 == \old(a14))) || !(1 == \old(a3))) || !(1 == \old(a5))) || ((a12 <= 0 && a5 == \old(a5)) && a11 <= 0)) || !(0 == \old(a2))) || (1 == a27 && 1 == a11 && ((!(a3 == a11) || !(1 == a3)) && a5 == \old(a5)) && 1 == a12)) || (((a6 <= 0 && a12 <= 0) && 1 == a11) && a5 == \old(a5)) [2018-11-23 01:20:07,628 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_89db8de4-c5dc-489b-8735-5c99d0f18d18/bin-2019/utaipan/witness.graphml [2018-11-23 01:20:07,628 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:20:07,628 INFO L168 Benchmark]: Toolchain (without parser) took 77631.01 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 950.1 MB in the beginning and 1.5 GB in the end (delta: -564.9 MB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. [2018-11-23 01:20:07,629 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:20:07,629 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.64 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 869.6 MB in the end (delta: 80.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. [2018-11-23 01:20:07,629 INFO L168 Benchmark]: Boogie Procedure Inliner took 117.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 869.6 MB in the beginning and 1.1 GB in the end (delta: -258.5 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-11-23 01:20:07,630 INFO L168 Benchmark]: Boogie Preprocessor took 73.20 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: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2018-11-23 01:20:07,630 INFO L168 Benchmark]: RCFGBuilder took 1289.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 870.8 MB in the end (delta: 245.4 MB). Peak memory consumption was 245.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:20:07,630 INFO L168 Benchmark]: TraceAbstraction took 75376.90 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 870.8 MB in the beginning and 1.6 GB in the end (delta: -720.8 MB). Peak memory consumption was 4.2 GB. Max. memory is 11.5 GB. [2018-11-23 01:20:07,630 INFO L168 Benchmark]: Witness Printer took 151.66 ms. Allocated memory is still 5.0 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 76.5 MB). Peak memory consumption was 76.5 MB. Max. memory is 11.5 GB. [2018-11-23 01:20:07,632 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 618.64 ms. Allocated memory is still 1.0 GB. Free memory was 950.1 MB in the beginning and 869.6 MB in the end (delta: 80.5 MB). Peak memory consumption was 80.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 117.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.2 MB). Free memory was 869.6 MB in the beginning and 1.1 GB in the end (delta: -258.5 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.20 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: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1289.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 870.8 MB in the end (delta: 245.4 MB). Peak memory consumption was 245.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 75376.90 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 870.8 MB in the beginning and 1.6 GB in the end (delta: -720.8 MB). Peak memory consumption was 4.2 GB. Max. memory is 11.5 GB. * Witness Printer took 151.66 ms. Allocated memory is still 5.0 GB. Free memory was 1.6 GB in the beginning and 1.5 GB in the end (delta: 76.5 MB). Peak memory consumption was 76.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1512]: 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: 1658]: Loop Invariant Derived loop invariant: (((((((((((((((((((a12 <= 0 && 1 == a11) && a5 == \old(a5)) && a26 == a11) || !(1 == \old(a27))) || ((((a27 == a26 && 1 == a11) && a5 == \old(a5)) && 1 == a12) && !(a3 == 2))) || (a26 == a11 && (a3 <= 0 && 1 == a11) && a5 == \old(a5) && 1 == a12)) || ((a5 == \old(a5) && a11 <= 0) && 1 == a12)) || (((a6 <= 0 && 1 == a11) && a5 == \old(a5)) && 1 == a12)) || ((((((((((((((((!(1 == \old(a10)) || !(1 == \old(a22))) || !(0 == \old(a11))) || !(1 == \old(a16))) || !(1 == a18)) || !(0 == \old(a26))) || !(1 == \old(a1))) || !(0 == \old(a12))) || !(0 == \old(a25))) || !(0 == \old(a7))) || !(1 == \old(a15))) || !(0 == \old(a20))) || !(0 == \old(a23))) || !(1 == \old(a0))) || !(1 == \old(a29))) || !(0 == \old(a8))) || !(0 == \old(a17))) || !(1 == \old(a4))) || (a12 <= 0 && 1 == a11 && (!(a3 == a11) || !(1 == a3)) && a5 == \old(a5))) || !(0 == \old(a19))) || (a12 <= 0 && (a27 == a26 && 1 == a11) && a5 == \old(a5))) || !(0 == \old(a6))) || !(0 == \old(a14))) || !(1 == \old(a3))) || !(1 == \old(a5))) || ((a12 <= 0 && a5 == \old(a5)) && a11 <= 0)) || !(0 == \old(a2))) || (1 == a27 && 1 == a11 && ((!(a3 == a11) || !(1 == a3)) && a5 == \old(a5)) && 1 == a12)) || (((a6 <= 0 && a12 <= 0) && 1 == a11) && a5 == \old(a5)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 311 locations, 1 error locations. SAFE Result, 75.3s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 47.4s AutomataDifference, 0.0s DeadEndRemovalTime, 12.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1973 SDtfs, 16177 SDslu, 3880 SDs, 0 SdLazy, 25306 SolverSat, 5319 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 28.6s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 4371 GetRequests, 4184 SyntacticMatches, 13 SemanticMatches, 174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1374 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=42791occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.5s AbstIntTime, 8 AbstIntIterations, 2 AbstIntStrong, 0.9987003535717446 AbsIntWeakeningRatio, 0.34490238611713664 AbsIntAvgWeakeningVarsNumRemoved, 56.88503253796095 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.7s AutomataMinimizationTime, 11 MinimizatonAttempts, 1923 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 677 PreInvPairs, 1103 NumberOfFragments, 1435 HoareAnnotationTreeSize, 677 FomulaSimplifications, 58086 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 115523 FormulaSimplificationTreeSizeReductionInter, 9.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 4728 NumberOfCodeBlocks, 4728 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 6554 ConstructedInterpolants, 0 QuantifiedInterpolants, 3653219 SizeOfPredicates, 16 NumberOfNonLiveVariables, 8325 ConjunctsInSsa, 33 ConjunctsInUnsatCore, 23 InterpolantComputations, 4 PerfectInterpolantSequences, 4108/4403 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...