./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_1f570f6d-5876-40f9-a9bf-993d15a602cb/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1f570f6d-5876-40f9-a9bf-993d15a602cb/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1f570f6d-5876-40f9-a9bf-993d15a602cb/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1f570f6d-5876-40f9-a9bf-993d15a602cb/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1f570f6d-5876-40f9-a9bf-993d15a602cb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1f570f6d-5876-40f9-a9bf-993d15a602cb/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 29670da151301b8436a6c7ddafad57f5257b4a8d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 02:29:38,068 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 02:29:38,069 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 02:29:38,074 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 02:29:38,075 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 02:29:38,075 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 02:29:38,076 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 02:29:38,076 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 02:29:38,077 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 02:29:38,077 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 02:29:38,078 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 02:29:38,078 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 02:29:38,078 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 02:29:38,079 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 02:29:38,079 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 02:29:38,080 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 02:29:38,080 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 02:29:38,081 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 02:29:38,082 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 02:29:38,082 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 02:29:38,083 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 02:29:38,084 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 02:29:38,086 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 02:29:38,086 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 02:29:38,086 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 02:29:38,087 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 02:29:38,087 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 02:29:38,087 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 02:29:38,088 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 02:29:38,088 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 02:29:38,088 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 02:29:38,089 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 02:29:38,089 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 02:29:38,089 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 02:29:38,089 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 02:29:38,090 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 02:29:38,090 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1f570f6d-5876-40f9-a9bf-993d15a602cb/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 02:29:38,097 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 02:29:38,098 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 02:29:38,098 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 02:29:38,098 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 02:29:38,099 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 02:29:38,099 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 02:29:38,099 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 02:29:38,099 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 02:29:38,099 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 02:29:38,099 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 02:29:38,100 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 02:29:38,100 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 02:29:38,100 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 02:29:38,100 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 02:29:38,101 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 02:29:38,101 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 02:29:38,101 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 02:29:38,101 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 02:29:38,101 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 02:29:38,101 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 02:29:38,101 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 02:29:38,102 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 02:29:38,102 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 02:29:38,102 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 02:29:38,102 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 02:29:38,102 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 02:29:38,102 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 02:29:38,103 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 02:29:38,103 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 02:29:38,103 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 02:29:38,103 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 02:29:38,103 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 02:29:38,103 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 02:29:38,104 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 02:29:38,104 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 02:29:38,104 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 02:29:38,104 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_1f570f6d-5876-40f9-a9bf-993d15a602cb/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 -> 29670da151301b8436a6c7ddafad57f5257b4a8d [2018-12-03 02:29:38,127 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 02:29:38,134 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 02:29:38,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 02:29:38,136 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 02:29:38,137 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 02:29:38,137 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1f570f6d-5876-40f9-a9bf-993d15a602cb/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-12-03 02:29:38,171 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f570f6d-5876-40f9-a9bf-993d15a602cb/bin-2019/utaipan/data/3600df118/18c50e2b0f724246ba620d11baf6f1a2/FLAGe6592270b [2018-12-03 02:29:38,666 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 02:29:38,666 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1f570f6d-5876-40f9-a9bf-993d15a602cb/sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-12-03 02:29:38,674 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1f570f6d-5876-40f9-a9bf-993d15a602cb/bin-2019/utaipan/data/3600df118/18c50e2b0f724246ba620d11baf6f1a2/FLAGe6592270b [2018-12-03 02:29:38,682 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1f570f6d-5876-40f9-a9bf-993d15a602cb/bin-2019/utaipan/data/3600df118/18c50e2b0f724246ba620d11baf6f1a2 [2018-12-03 02:29:38,684 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 02:29:38,685 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 02:29:38,685 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 02:29:38,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 02:29:38,688 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 02:29:38,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:29:38" (1/1) ... [2018-12-03 02:29:38,691 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:38, skipping insertion in model container [2018-12-03 02:29:38,691 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:29:38" (1/1) ... [2018-12-03 02:29:38,695 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 02:29:38,722 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 02:29:38,904 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:29:38,907 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 02:29:39,010 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:29:39,020 INFO L195 MainTranslator]: Completed translation [2018-12-03 02:29:39,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:39 WrapperNode [2018-12-03 02:29:39,020 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 02:29:39,021 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 02:29:39,021 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 02:29:39,021 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 02:29:39,026 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:39" (1/1) ... [2018-12-03 02:29:39,037 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:39" (1/1) ... [2018-12-03 02:29:39,043 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 02:29:39,043 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 02:29:39,044 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 02:29:39,044 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 02:29:39,049 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:39" (1/1) ... [2018-12-03 02:29:39,049 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:39" (1/1) ... [2018-12-03 02:29:39,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:39" (1/1) ... [2018-12-03 02:29:39,053 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:39" (1/1) ... [2018-12-03 02:29:39,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:39" (1/1) ... [2018-12-03 02:29:39,084 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:39" (1/1) ... [2018-12-03 02:29:39,087 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:39" (1/1) ... [2018-12-03 02:29:39,091 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 02:29:39,092 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 02:29:39,092 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 02:29:39,092 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 02:29:39,093 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f570f6d-5876-40f9-a9bf-993d15a602cb/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 02:29:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 02:29:39,125 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 02:29:39,125 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-03 02:29:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-03 02:29:39,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 02:29:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 02:29:39,126 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 02:29:39,126 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 02:29:39,684 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 02:29:39,685 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 02:29:39,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:29:39 BoogieIcfgContainer [2018-12-03 02:29:39,685 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 02:29:39,686 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 02:29:39,686 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 02:29:39,688 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 02:29:39,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 02:29:38" (1/3) ... [2018-12-03 02:29:39,689 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1defa1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:29:39, skipping insertion in model container [2018-12-03 02:29:39,689 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:29:39" (2/3) ... [2018-12-03 02:29:39,690 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1defa1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:29:39, skipping insertion in model container [2018-12-03 02:29:39,690 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:29:39" (3/3) ... [2018-12-03 02:29:39,691 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label25_true-unreach-call_false-termination.c [2018-12-03 02:29:39,700 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 02:29:39,706 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 02:29:39,719 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 02:29:39,745 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 02:29:39,745 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 02:29:39,745 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 02:29:39,745 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 02:29:39,745 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 02:29:39,745 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 02:29:39,745 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 02:29:39,745 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 02:29:39,761 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-03 02:29:39,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-03 02:29:39,770 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:29:39,771 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] [2018-12-03 02:29:39,772 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:29:39,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:29:39,776 INFO L82 PathProgramCache]: Analyzing trace with hash -665077081, now seen corresponding path program 1 times [2018-12-03 02:29:39,778 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:29:39,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:29:39,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:29:39,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:29:39,808 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:29:39,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:29:40,060 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:29:40,062 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:29:40,062 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 02:29:40,062 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:29:40,066 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 02:29:40,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 02:29:40,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 02:29:40,075 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-03 02:29:40,496 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:29:40,496 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-03 02:29:40,497 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 02:29:40,497 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2018-12-03 02:29:40,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:29:40,505 INFO L225 Difference]: With dead ends: 547 [2018-12-03 02:29:40,505 INFO L226 Difference]: Without dead ends: 278 [2018-12-03 02:29:40,508 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 02:29:40,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-03 02:29:40,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-03 02:29:40,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-03 02:29:40,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2018-12-03 02:29:40,545 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 125 [2018-12-03 02:29:40,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:29:40,546 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2018-12-03 02:29:40,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 02:29:40,546 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2018-12-03 02:29:40,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-03 02:29:40,548 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:29:40,548 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 02:29:40,549 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:29:40,549 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:29:40,549 INFO L82 PathProgramCache]: Analyzing trace with hash 1811316394, now seen corresponding path program 1 times [2018-12-03 02:29:40,549 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:29:40,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:29:40,550 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:29:40,550 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:29:40,551 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:29:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:29:40,615 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:29:40,615 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:29:40,615 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 02:29:40,615 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:29:40,617 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 02:29:40,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 02:29:40,617 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 02:29:40,617 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 5 states. [2018-12-03 02:29:40,975 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:29:40,975 INFO L93 Difference]: Finished difference Result 840 states and 1253 transitions. [2018-12-03 02:29:40,976 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 02:29:40,976 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-12-03 02:29:40,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:29:40,979 INFO L225 Difference]: With dead ends: 840 [2018-12-03 02:29:40,979 INFO L226 Difference]: Without dead ends: 568 [2018-12-03 02:29:40,980 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-03 02:29:40,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-12-03 02:29:40,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 558. [2018-12-03 02:29:40,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2018-12-03 02:29:41,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 788 transitions. [2018-12-03 02:29:41,000 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 788 transitions. Word has length 134 [2018-12-03 02:29:41,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:29:41,000 INFO L480 AbstractCegarLoop]: Abstraction has 558 states and 788 transitions. [2018-12-03 02:29:41,000 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 02:29:41,000 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 788 transitions. [2018-12-03 02:29:41,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-03 02:29:41,002 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:29:41,002 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-03 02:29:41,003 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:29:41,003 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:29:41,003 INFO L82 PathProgramCache]: Analyzing trace with hash 1203912387, now seen corresponding path program 1 times [2018-12-03 02:29:41,003 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:29:41,003 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:29:41,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:29:41,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:29:41,004 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:29:41,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:29:41,072 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:29:41,073 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:29:41,073 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:29:41,073 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 146 with the following transitions: [2018-12-03 02:29:41,075 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 02:29:41,101 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:29:41,101 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:29:41,472 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:29:41,473 INFO L272 AbstractInterpreter]: Visited 130 different actions 252 times. Merged at 3 different actions 3 times. Never widened. Performed 3442 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3442 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-03 02:29:41,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:29:41,479 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:29:41,479 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:29:41,479 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f570f6d-5876-40f9-a9bf-993d15a602cb/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 02:29:41,487 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:29:41,488 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:29:41,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:29:41,537 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:29:41,579 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 02:29:41,579 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:29:41,614 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-03 02:29:41,640 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:29:41,640 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-03 02:29:41,640 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:29:41,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 02:29:41,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 02:29:41,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-03 02:29:41,641 INFO L87 Difference]: Start difference. First operand 558 states and 788 transitions. Second operand 3 states. [2018-12-03 02:29:41,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:29:41,942 INFO L93 Difference]: Finished difference Result 1521 states and 2173 transitions. [2018-12-03 02:29:41,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 02:29:41,943 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 145 [2018-12-03 02:29:41,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:29:41,948 INFO L225 Difference]: With dead ends: 1521 [2018-12-03 02:29:41,948 INFO L226 Difference]: Without dead ends: 969 [2018-12-03 02:29:41,949 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 288 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-03 02:29:41,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2018-12-03 02:29:41,970 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 969. [2018-12-03 02:29:41,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 969 states. [2018-12-03 02:29:41,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1329 transitions. [2018-12-03 02:29:41,972 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1329 transitions. Word has length 145 [2018-12-03 02:29:41,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:29:41,973 INFO L480 AbstractCegarLoop]: Abstraction has 969 states and 1329 transitions. [2018-12-03 02:29:41,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 02:29:41,973 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1329 transitions. [2018-12-03 02:29:41,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-03 02:29:41,975 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:29:41,975 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:29:41,976 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:29:41,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:29:41,976 INFO L82 PathProgramCache]: Analyzing trace with hash 874887550, now seen corresponding path program 1 times [2018-12-03 02:29:41,976 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:29:41,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:29:41,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:29:41,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:29:41,977 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:29:41,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:29:42,125 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:29:42,125 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:29:42,125 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:29:42,126 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 145 with the following transitions: [2018-12-03 02:29:42,126 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 02:29:42,129 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:29:42,129 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:29:42,241 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 02:29:42,241 INFO L272 AbstractInterpreter]: Visited 125 different actions 125 times. Never merged. Never widened. Performed 1667 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1667 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 42 variables. [2018-12-03 02:29:42,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:29:42,250 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 02:29:42,465 INFO L227 lantSequenceWeakener]: Weakened 138 states. On average, predicates are now at 80.57% of their original sizes. [2018-12-03 02:29:42,465 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 02:29:42,493 INFO L418 sIntCurrentIteration]: We unified 143 AI predicates to 143 [2018-12-03 02:29:42,493 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 02:29:42,494 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:29:42,494 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2018-12-03 02:29:42,494 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:29:42,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 02:29:42,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 02:29:42,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 02:29:42,495 INFO L87 Difference]: Start difference. First operand 969 states and 1329 transitions. Second operand 6 states. [2018-12-03 02:29:43,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:29:43,906 INFO L93 Difference]: Finished difference Result 2068 states and 2839 transitions. [2018-12-03 02:29:43,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 02:29:43,906 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2018-12-03 02:29:43,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:29:43,910 INFO L225 Difference]: With dead ends: 2068 [2018-12-03 02:29:43,910 INFO L226 Difference]: Without dead ends: 1105 [2018-12-03 02:29:43,911 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 144 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-03 02:29:43,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2018-12-03 02:29:43,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 1104. [2018-12-03 02:29:43,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1104 states. [2018-12-03 02:29:43,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1104 states to 1104 states and 1474 transitions. [2018-12-03 02:29:43,927 INFO L78 Accepts]: Start accepts. Automaton has 1104 states and 1474 transitions. Word has length 144 [2018-12-03 02:29:43,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:29:43,928 INFO L480 AbstractCegarLoop]: Abstraction has 1104 states and 1474 transitions. [2018-12-03 02:29:43,928 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 02:29:43,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1104 states and 1474 transitions. [2018-12-03 02:29:43,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-03 02:29:43,930 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:29:43,930 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2018-12-03 02:29:43,930 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:29:43,930 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:29:43,931 INFO L82 PathProgramCache]: Analyzing trace with hash -725100967, now seen corresponding path program 1 times [2018-12-03 02:29:43,931 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:29:43,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:29:43,931 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:29:43,931 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:29:43,932 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:29:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:29:44,014 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 27 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:29:44,014 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:29:44,014 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:29:44,014 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-12-03 02:29:44,015 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 02:29:44,018 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:29:44,019 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:29:44,179 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 02:29:44,179 INFO L272 AbstractInterpreter]: Visited 129 different actions 252 times. Merged at 4 different actions 4 times. Never widened. Performed 3332 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3332 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-03 02:29:44,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:29:44,181 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 02:29:44,309 INFO L227 lantSequenceWeakener]: Weakened 149 states. On average, predicates are now at 82.03% of their original sizes. [2018-12-03 02:29:44,310 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 02:29:44,351 INFO L418 sIntCurrentIteration]: We unified 151 AI predicates to 151 [2018-12-03 02:29:44,351 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 02:29:44,351 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:29:44,351 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-03 02:29:44,351 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:29:44,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 02:29:44,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 02:29:44,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:29:44,352 INFO L87 Difference]: Start difference. First operand 1104 states and 1474 transitions. Second operand 10 states. [2018-12-03 02:29:47,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:29:47,120 INFO L93 Difference]: Finished difference Result 2206 states and 2973 transitions. [2018-12-03 02:29:47,120 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-03 02:29:47,120 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 152 [2018-12-03 02:29:47,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:29:47,122 INFO L225 Difference]: With dead ends: 2206 [2018-12-03 02:29:47,122 INFO L226 Difference]: Without dead ends: 1243 [2018-12-03 02:29:47,123 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 159 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-03 02:29:47,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2018-12-03 02:29:47,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 1241. [2018-12-03 02:29:47,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1241 states. [2018-12-03 02:29:47,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1241 states to 1241 states and 1619 transitions. [2018-12-03 02:29:47,138 INFO L78 Accepts]: Start accepts. Automaton has 1241 states and 1619 transitions. Word has length 152 [2018-12-03 02:29:47,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:29:47,138 INFO L480 AbstractCegarLoop]: Abstraction has 1241 states and 1619 transitions. [2018-12-03 02:29:47,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 02:29:47,139 INFO L276 IsEmpty]: Start isEmpty. Operand 1241 states and 1619 transitions. [2018-12-03 02:29:47,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-03 02:29:47,141 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:29:47,141 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2018-12-03 02:29:47,141 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:29:47,141 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:29:47,141 INFO L82 PathProgramCache]: Analyzing trace with hash 513207895, now seen corresponding path program 1 times [2018-12-03 02:29:47,141 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:29:47,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:29:47,142 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:29:47,142 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:29:47,142 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:29:47,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:29:47,184 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:29:47,184 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:29:47,184 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:29:47,184 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-12-03 02:29:47,184 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 02:29:47,186 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:29:47,187 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:29:47,291 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:29:47,291 INFO L272 AbstractInterpreter]: Visited 130 different actions 252 times. Merged at 3 different actions 3 times. Never widened. Performed 3470 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3470 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-03 02:29:47,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:29:47,293 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:29:47,293 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:29:47,293 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f570f6d-5876-40f9-a9bf-993d15a602cb/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 02:29:47,299 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:29:47,299 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:29:47,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:29:47,341 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:29:47,369 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:29:47,369 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:29:47,418 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 33 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:29:47,436 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 02:29:47,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-12-03 02:29:47,437 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 02:29:47,437 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 02:29:47,437 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 02:29:47,437 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-12-03 02:29:47,438 INFO L87 Difference]: Start difference. First operand 1241 states and 1619 transitions. Second operand 9 states. [2018-12-03 02:29:48,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:29:48,832 INFO L93 Difference]: Finished difference Result 4295 states and 6016 transitions. [2018-12-03 02:29:48,832 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-03 02:29:48,832 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 155 [2018-12-03 02:29:48,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:29:48,842 INFO L225 Difference]: With dead ends: 4295 [2018-12-03 02:29:48,842 INFO L226 Difference]: Without dead ends: 3062 [2018-12-03 02:29:48,845 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 349 GetRequests, 320 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 169 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=211, Invalid=719, Unknown=0, NotChecked=0, Total=930 [2018-12-03 02:29:48,847 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3062 states. [2018-12-03 02:29:48,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3062 to 2345. [2018-12-03 02:29:48,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2345 states. [2018-12-03 02:29:48,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 2345 states and 2990 transitions. [2018-12-03 02:29:48,899 INFO L78 Accepts]: Start accepts. Automaton has 2345 states and 2990 transitions. Word has length 155 [2018-12-03 02:29:48,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:29:48,899 INFO L480 AbstractCegarLoop]: Abstraction has 2345 states and 2990 transitions. [2018-12-03 02:29:48,899 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 02:29:48,899 INFO L276 IsEmpty]: Start isEmpty. Operand 2345 states and 2990 transitions. [2018-12-03 02:29:48,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-03 02:29:48,902 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:29:48,902 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:29:48,902 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:29:48,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:29:48,902 INFO L82 PathProgramCache]: Analyzing trace with hash -1757665310, now seen corresponding path program 1 times [2018-12-03 02:29:48,902 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:29:48,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:29:48,903 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:29:48,903 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:29:48,903 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:29:48,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:29:48,942 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 41 proven. 9 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-03 02:29:48,942 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:29:48,942 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:29:48,942 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 165 with the following transitions: [2018-12-03 02:29:48,942 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 02:29:48,944 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:29:48,944 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:29:49,048 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:29:49,048 INFO L272 AbstractInterpreter]: Visited 131 different actions 254 times. Merged at 3 different actions 3 times. Never widened. Performed 3498 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3498 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-03 02:29:49,049 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:29:49,049 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:29:49,049 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:29:49,049 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f570f6d-5876-40f9-a9bf-993d15a602cb/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 02:29:49,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:29:49,055 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:29:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:29:49,093 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:29:49,114 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-03 02:29:49,114 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:29:49,144 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-03 02:29:49,159 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:29:49,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-03 02:29:49,159 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:29:49,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 02:29:49,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 02:29:49,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-03 02:29:49,160 INFO L87 Difference]: Start difference. First operand 2345 states and 2990 transitions. Second operand 3 states. [2018-12-03 02:29:49,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:29:49,410 INFO L93 Difference]: Finished difference Result 6314 states and 8337 transitions. [2018-12-03 02:29:49,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 02:29:49,410 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 164 [2018-12-03 02:29:49,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:29:49,418 INFO L225 Difference]: With dead ends: 6314 [2018-12-03 02:29:49,418 INFO L226 Difference]: Without dead ends: 4247 [2018-12-03 02:29:49,421 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 333 GetRequests, 326 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-03 02:29:49,423 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4247 states. [2018-12-03 02:29:49,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4247 to 3707. [2018-12-03 02:29:49,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3707 states. [2018-12-03 02:29:49,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3707 states to 3707 states and 4770 transitions. [2018-12-03 02:29:49,467 INFO L78 Accepts]: Start accepts. Automaton has 3707 states and 4770 transitions. Word has length 164 [2018-12-03 02:29:49,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:29:49,467 INFO L480 AbstractCegarLoop]: Abstraction has 3707 states and 4770 transitions. [2018-12-03 02:29:49,467 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 02:29:49,467 INFO L276 IsEmpty]: Start isEmpty. Operand 3707 states and 4770 transitions. [2018-12-03 02:29:49,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-03 02:29:49,472 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:29:49,472 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2018-12-03 02:29:49,472 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:29:49,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:29:49,472 INFO L82 PathProgramCache]: Analyzing trace with hash -720187387, now seen corresponding path program 1 times [2018-12-03 02:29:49,472 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:29:49,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:29:49,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:29:49,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:29:49,473 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:29:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:29:49,524 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 67 proven. 16 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-03 02:29:49,525 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:29:49,525 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:29:49,525 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2018-12-03 02:29:49,525 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [37], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [85], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 02:29:49,527 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:29:49,527 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:29:49,651 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:29:49,651 INFO L272 AbstractInterpreter]: Visited 132 different actions 256 times. Merged at 3 different actions 3 times. Never widened. Performed 3450 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3450 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-03 02:29:49,652 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:29:49,652 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:29:49,652 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:29:49,652 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f570f6d-5876-40f9-a9bf-993d15a602cb/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 02:29:49,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:29:49,658 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:29:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:29:49,702 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:29:49,747 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 83 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-03 02:29:49,747 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:29:49,801 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 81 proven. 16 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-12-03 02:29:49,816 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 02:29:49,817 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-03 02:29:49,817 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 02:29:49,817 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 02:29:49,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 02:29:49,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-12-03 02:29:49,817 INFO L87 Difference]: Start difference. First operand 3707 states and 4770 transitions. Second operand 9 states. [2018-12-03 02:29:50,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:29:50,673 INFO L93 Difference]: Finished difference Result 8308 states and 10980 transitions. [2018-12-03 02:29:50,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-03 02:29:50,673 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 189 [2018-12-03 02:29:50,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:29:50,682 INFO L225 Difference]: With dead ends: 8308 [2018-12-03 02:29:50,682 INFO L226 Difference]: Without dead ends: 4879 [2018-12-03 02:29:50,686 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 409 GetRequests, 385 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=158, Invalid=442, Unknown=0, NotChecked=0, Total=600 [2018-12-03 02:29:50,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4879 states. [2018-12-03 02:29:50,734 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4879 to 3995. [2018-12-03 02:29:50,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3995 states. [2018-12-03 02:29:50,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3995 states to 3995 states and 4915 transitions. [2018-12-03 02:29:50,738 INFO L78 Accepts]: Start accepts. Automaton has 3995 states and 4915 transitions. Word has length 189 [2018-12-03 02:29:50,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:29:50,738 INFO L480 AbstractCegarLoop]: Abstraction has 3995 states and 4915 transitions. [2018-12-03 02:29:50,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 02:29:50,738 INFO L276 IsEmpty]: Start isEmpty. Operand 3995 states and 4915 transitions. [2018-12-03 02:29:50,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-03 02:29:50,743 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:29:50,743 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2018-12-03 02:29:50,744 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:29:50,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:29:50,744 INFO L82 PathProgramCache]: Analyzing trace with hash -186171883, now seen corresponding path program 1 times [2018-12-03 02:29:50,744 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:29:50,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:29:50,744 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:29:50,744 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:29:50,744 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:29:50,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:29:50,788 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 96 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-03 02:29:50,788 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:29:50,788 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:29:50,788 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 198 with the following transitions: [2018-12-03 02:29:50,788 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [37], [38], [41], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [85], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 02:29:50,790 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:29:50,790 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:29:50,901 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:29:50,901 INFO L272 AbstractInterpreter]: Visited 132 different actions 256 times. Merged at 3 different actions 3 times. Never widened. Performed 3442 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3442 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-03 02:29:50,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:29:50,902 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:29:50,903 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:29:50,903 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f570f6d-5876-40f9-a9bf-993d15a602cb/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 02:29:50,909 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:29:50,909 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:29:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:29:50,967 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:29:51,055 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 106 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-12-03 02:29:51,055 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:29:51,110 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 96 proven. 16 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-03 02:29:51,132 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 02:29:51,132 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-03 02:29:51,132 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 02:29:51,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 02:29:51,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 02:29:51,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-03 02:29:51,133 INFO L87 Difference]: Start difference. First operand 3995 states and 4915 transitions. Second operand 9 states. [2018-12-03 02:29:52,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:29:52,336 INFO L93 Difference]: Finished difference Result 7425 states and 9317 transitions. [2018-12-03 02:29:52,336 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-03 02:29:52,336 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 197 [2018-12-03 02:29:52,336 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:29:52,346 INFO L225 Difference]: With dead ends: 7425 [2018-12-03 02:29:52,346 INFO L226 Difference]: Without dead ends: 3708 [2018-12-03 02:29:52,351 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 431 GetRequests, 405 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=175, Invalid=527, Unknown=0, NotChecked=0, Total=702 [2018-12-03 02:29:52,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3708 states. [2018-12-03 02:29:52,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3708 to 3217. [2018-12-03 02:29:52,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3217 states. [2018-12-03 02:29:52,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3217 states to 3217 states and 3727 transitions. [2018-12-03 02:29:52,412 INFO L78 Accepts]: Start accepts. Automaton has 3217 states and 3727 transitions. Word has length 197 [2018-12-03 02:29:52,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:29:52,412 INFO L480 AbstractCegarLoop]: Abstraction has 3217 states and 3727 transitions. [2018-12-03 02:29:52,412 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 02:29:52,412 INFO L276 IsEmpty]: Start isEmpty. Operand 3217 states and 3727 transitions. [2018-12-03 02:29:52,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-03 02:29:52,417 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:29:52,417 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-03 02:29:52,417 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:29:52,417 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:29:52,417 INFO L82 PathProgramCache]: Analyzing trace with hash 514817816, now seen corresponding path program 1 times [2018-12-03 02:29:52,417 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:29:52,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:29:52,418 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:29:52,418 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:29:52,418 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:29:52,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:29:52,499 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 108 proven. 35 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-03 02:29:52,499 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:29:52,500 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:29:52,500 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-12-03 02:29:52,500 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [85], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [129], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-03 02:29:52,502 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:29:52,502 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:29:52,628 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:29:52,628 INFO L272 AbstractInterpreter]: Visited 133 different actions 258 times. Merged at 3 different actions 3 times. Never widened. Performed 3482 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3482 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-03 02:29:52,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:29:52,629 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:29:52,629 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:29:52,629 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1f570f6d-5876-40f9-a9bf-993d15a602cb/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 02:29:52,636 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:29:52,636 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:29:52,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:29:52,683 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:29:52,739 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 96 proven. 59 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-12-03 02:29:52,740 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:29:52,843 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 151 proven. 4 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-12-03 02:29:52,858 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 02:29:52,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2018-12-03 02:29:52,858 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 02:29:52,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 02:29:52,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 02:29:52,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 02:29:52,859 INFO L87 Difference]: Start difference. First operand 3217 states and 3727 transitions. Second operand 8 states. [2018-12-03 02:29:53,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:29:53,267 INFO L93 Difference]: Finished difference Result 5340 states and 6190 transitions. [2018-12-03 02:29:53,267 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-03 02:29:53,267 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 227 [2018-12-03 02:29:53,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:29:53,268 INFO L225 Difference]: With dead ends: 5340 [2018-12-03 02:29:53,268 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 02:29:53,273 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 473 GetRequests, 455 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2018-12-03 02:29:53,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 02:29:53,273 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 02:29:53,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 02:29:53,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 02:29:53,273 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 227 [2018-12-03 02:29:53,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:29:53,273 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 02:29:53,273 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 02:29:53,274 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 02:29:53,274 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 02:29:53,277 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 02:29:53,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,301 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,330 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,343 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,395 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,401 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,406 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,423 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,424 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,454 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,462 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,466 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:53,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:29:54,308 WARN L180 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 110 [2018-12-03 02:29:54,494 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 72 [2018-12-03 02:29:54,660 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 69 [2018-12-03 02:29:54,661 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:29:54,661 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (<= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-12-03 02:29:54,661 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:29:54,661 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-03 02:29:54,661 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-03 02:29:54,661 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,661 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,662 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,662 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,662 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,662 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,662 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-03 02:29:54,662 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-03 02:29:54,662 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-03 02:29:54,662 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-03 02:29:54,662 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-03 02:29:54,662 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-03 02:29:54,662 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-03 02:29:54,662 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-03 02:29:54,662 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-03 02:29:54,662 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-03 02:29:54,662 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,662 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,662 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,663 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,663 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,663 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,663 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-03 02:29:54,663 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-03 02:29:54,663 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 533) no Hoare annotation was computed. [2018-12-03 02:29:54,663 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-03 02:29:54,663 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-03 02:29:54,663 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-03 02:29:54,663 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-03 02:29:54,663 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-03 02:29:54,663 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-03 02:29:54,663 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-03 02:29:54,663 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-03 02:29:54,664 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-03 02:29:54,664 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-03 02:29:54,664 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-03 02:29:54,664 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-03 02:29:54,664 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-03 02:29:54,664 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,664 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,664 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,664 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,664 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,664 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-03 02:29:54,664 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-03 02:29:54,664 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-03 02:29:54,664 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-03 02:29:54,665 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-03 02:29:54,665 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-03 02:29:54,665 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-03 02:29:54,665 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-03 02:29:54,665 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-03 02:29:54,665 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,665 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,665 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,665 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,665 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,665 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-03 02:29:54,665 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-03 02:29:54,665 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-03 02:29:54,665 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-03 02:29:54,666 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-03 02:29:54,666 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-03 02:29:54,666 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-03 02:29:54,666 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-03 02:29:54,666 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-03 02:29:54,666 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-03 02:29:54,666 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-03 02:29:54,666 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-03 02:29:54,666 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-03 02:29:54,666 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,666 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,666 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,666 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,666 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,666 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-03 02:29:54,667 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-03 02:29:54,667 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-03 02:29:54,667 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-03 02:29:54,667 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-03 02:29:54,667 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-03 02:29:54,667 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-03 02:29:54,667 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-03 02:29:54,667 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-03 02:29:54,667 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,667 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,667 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,667 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,667 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,668 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,668 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-03 02:29:54,668 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,668 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-03 02:29:54,668 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-03 02:29:54,668 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-03 02:29:54,668 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-03 02:29:54,668 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-03 02:29:54,668 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-03 02:29:54,668 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-03 02:29:54,668 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-03 02:29:54,668 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-03 02:29:54,668 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-03 02:29:54,668 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-03 02:29:54,668 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-03 02:29:54,669 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-03 02:29:54,669 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,669 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,669 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,669 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,669 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,669 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-03 02:29:54,669 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-03 02:29:54,669 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-03 02:29:54,669 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-03 02:29:54,669 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-03 02:29:54,669 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-03 02:29:54,669 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-03 02:29:54,669 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-03 02:29:54,669 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,670 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,670 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,670 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,670 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,670 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-03 02:29:54,670 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-03 02:29:54,670 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-03 02:29:54,670 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-03 02:29:54,670 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-03 02:29:54,670 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-03 02:29:54,670 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-03 02:29:54,670 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-03 02:29:54,670 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-03 02:29:54,670 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-03 02:29:54,671 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse14 (not (= ~a16~0 6))) (.cse6 (= 6 |old(~a16~0)|)) (.cse10 (not (= 1 |old(~a7~0)|))) (.cse3 (< 0 |old(~a17~0)|)) (.cse4 (not (= 1 |old(~a21~0)|))) (.cse2 (< 13 |old(~a8~0)|)) (.cse11 (= ~a7~0 |old(~a7~0)|)) (.cse12 (= |old(~a8~0)| ~a8~0)) (.cse13 (<= |old(~a16~0)| ~a16~0)) (.cse15 (= ~a20~0 |old(~a20~0)|)) (.cse16 (= ~a21~0 |old(~a21~0)|))) (let ((.cse1 (<= ~a17~0 0)) (.cse19 (= 13 |old(~a8~0)|)) (.cse17 (and .cse11 .cse12 .cse13 .cse15 .cse16)) (.cse9 (and (or .cse4 (or .cse6 .cse10) .cse3) (or .cse4 .cse2))) (.cse23 (not (= 0 |old(~a7~0)|))) (.cse0 (not (= 1 |old(~a20~0)|))) (.cse24 (not (= 15 |old(~a8~0)|))) (.cse25 (not (= 5 |old(~a16~0)|))) (.cse26 (not (= 8 ~a12~0))) (.cse20 (= |calculate_output_#in~input| 0)) (.cse21 (= ~a17~0 1)) (.cse28 (= 1 ~a21~0)) (.cse22 (= ~a16~0 5)) (.cse27 (not (= 1 |old(~a17~0)|))) (.cse7 (and .cse11 .cse12 .cse13 .cse14 .cse15 .cse16)) (.cse5 (< 0 |old(~a7~0)|)) (.cse18 (< |old(~a16~0)| 6)) (.cse8 (< 0 |old(~a20~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse3 .cse1) (or .cse6 .cse4 .cse7 .cse5 .cse8) (or (or .cse6 .cse4 .cse0 (< 14 |old(~a8~0)|)) .cse7 .cse5) (or .cse9 .cse10 (and (or (and .cse11 .cse12 .cse13 .cse14 .cse1) (and (<= ~a8~0 13) .cse11 .cse12 .cse13)) .cse15 .cse16)) (or .cse4 .cse0 .cse5 .cse17 .cse18) (or .cse4 .cse1 .cse5 (or .cse19 .cse3 .cse8)) (or (and .cse11 .cse12 .cse13 .cse1 .cse15 .cse16) .cse5 (or .cse4 .cse19 .cse3 .cse18)) (or .cse20 (and .cse21 .cse22) (or .cse23 .cse4 .cse24 (not (= 0 |old(~a20~0)|)) .cse25 .cse26 .cse27)) (or .cse0 .cse2 .cse17) (or .cse6 .cse4 .cse0 (and .cse11 .cse12 .cse13 .cse14 .cse28 .cse15) .cse5 .cse3) (or (and (and (and .cse11 .cse12 .cse13) .cse15) .cse16) .cse9 .cse5) (or .cse6 (= |old(~a7~0)| 1) .cse2 (and .cse11 .cse12 .cse14)) (or .cse23 .cse4 .cse0 .cse24 .cse25 .cse26 .cse20 (and .cse21 .cse11 .cse12 .cse28 .cse15 .cse22) .cse27) (or .cse7 (or .cse6 .cse2 .cse8)) (or .cse4 .cse5 .cse18 (and .cse11 .cse12 .cse15 (<= 6 ~a16~0) .cse16) .cse8)))) [2018-12-03 02:29:54,671 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-03 02:29:54,671 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,671 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,671 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,671 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,671 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-03 02:29:54,671 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,671 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,672 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-03 02:29:54,672 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-03 02:29:54,672 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-03 02:29:54,672 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-03 02:29:54,672 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-03 02:29:54,672 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-03 02:29:54,672 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-03 02:29:54,672 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-03 02:29:54,672 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-03 02:29:54,672 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-03 02:29:54,672 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-03 02:29:54,672 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-03 02:29:54,672 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,672 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,672 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,673 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,673 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,673 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-03 02:29:54,673 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,673 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-03 02:29:54,673 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-03 02:29:54,673 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-03 02:29:54,673 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-03 02:29:54,673 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-03 02:29:54,673 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-03 02:29:54,673 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-03 02:29:54,673 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-03 02:29:54,673 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-03 02:29:54,673 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-03 02:29:54,674 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-03 02:29:54,674 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-03 02:29:54,674 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-03 02:29:54,674 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-03 02:29:54,674 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,674 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,674 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,674 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,674 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,674 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-03 02:29:54,674 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-03 02:29:54,674 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-03 02:29:54,674 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-03 02:29:54,674 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-03 02:29:54,674 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-03 02:29:54,675 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-03 02:29:54,675 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-03 02:29:54,675 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-03 02:29:54,675 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-03 02:29:54,675 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-03 02:29:54,675 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:29:54,675 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-12-03 02:29:54,675 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 02:29:54,675 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:29:54,675 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (and (= ~a17~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-12-03 02:29:54,675 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-03 02:29:54,676 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse10 (= 1 ~a7~0)) (.cse8 (not (= ~a16~0 6))) (.cse6 (<= ~a17~0 0)) (.cse0 (<= ~a8~0 13)) (.cse3 (= 1 ~a21~0))) (let ((.cse1 (= 1 ~a20~0)) (.cse4 (<= 6 ~a16~0)) (.cse2 (= ~a7~0 |old(~a7~0)|)) (.cse5 (<= ~a7~0 0)) (.cse9 (let ((.cse11 (not (= |old(~a7~0)| 1)))) (or (and .cse10 .cse11 .cse8 .cse3 .cse6) (and .cse0 .cse11 .cse3)))) (.cse7 (<= ~a20~0 0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1) (not (= 8 ~a12~0)) (and (not (= main_~input~0 0)) (= ~a17~0 1) (<= ~a8~0 |old(~a8~0)|) .cse2 .cse3 (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (not (= 1 |old(~a20~0)|)) (and .cse1 .cse3 .cse4 .cse5) (not (= 5 |old(~a16~0)|)) (and .cse1 .cse3 .cse6 .cse5) (and .cse3 .cse7 .cse5) (not (= 0 |old(~a7~0)|)) (and (and .cse1 .cse3 (<= ~a8~0 14)) .cse5) (and .cse3 .cse6 .cse4 .cse5) (and .cse0 .cse2 .cse8) (and .cse9 .cse5) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse10 .cse9) (and .cse0 .cse8 .cse7)))) [2018-12-03 02:29:54,676 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-03 02:29:54,676 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-03 02:29:54,676 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse10 (= 1 ~a7~0)) (.cse8 (not (= ~a16~0 6))) (.cse6 (<= ~a17~0 0)) (.cse2 (<= ~a8~0 13)) (.cse1 (= 1 ~a21~0))) (let ((.cse3 (= 1 ~a20~0)) (.cse4 (<= 6 ~a16~0)) (.cse0 (= ~a7~0 |old(~a7~0)|)) (.cse5 (<= ~a7~0 0)) (.cse9 (let ((.cse11 (not (= |old(~a7~0)| 1)))) (or (and .cse10 .cse11 .cse8 .cse1 .cse6) (and .cse2 .cse11 .cse1)))) (.cse7 (<= ~a20~0 0))) (or (not (= 1 |old(~a21~0)|)) (and (= ~a17~0 1) (<= ~a8~0 |old(~a8~0)|) .cse0 .cse1 (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (and .cse2 .cse3) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (and .cse3 .cse1 .cse4 .cse5) (not (= 5 |old(~a16~0)|)) (and .cse3 .cse1 .cse6 .cse5) (and .cse1 .cse7 .cse5) (not (= 0 |old(~a7~0)|)) (and (and .cse3 .cse1 (<= ~a8~0 14)) .cse5) (and .cse1 .cse6 .cse4 .cse5) (and .cse2 .cse0 .cse8) (and .cse9 .cse5) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse10 .cse9) (and .cse2 .cse8 .cse7)))) [2018-12-03 02:29:54,676 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-03 02:29:54,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 02:29:54 BoogieIcfgContainer [2018-12-03 02:29:54,686 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 02:29:54,687 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 02:29:54,687 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 02:29:54,687 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 02:29:54,687 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:29:39" (3/4) ... [2018-12-03 02:29:54,690 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 02:29:54,695 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 02:29:54,695 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-03 02:29:54,695 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 02:29:54,703 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-03 02:29:54,704 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 02:29:54,728 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((!(1 == \old(a21)) || (((((a17 == 1 && a8 <= \old(a8)) && a7 == \old(a7)) && 1 == a21) && a20 == \old(a20)) && a16 == 5)) || (a8 <= 13 && 1 == a20)) || !(8 == a12)) || !(1 == \old(a20))) || (((1 == a20 && 1 == a21) && 6 <= a16) && a7 <= 0)) || !(5 == \old(a16))) || (((1 == a20 && 1 == a21) && a17 <= 0) && a7 <= 0)) || ((1 == a21 && a20 <= 0) && a7 <= 0)) || !(0 == \old(a7))) || (((1 == a20 && 1 == a21) && a8 <= 14) && a7 <= 0)) || (((1 == a21 && a17 <= 0) && 6 <= a16) && a7 <= 0)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || ((((((1 == a7 && !(\old(a7) == 1)) && !(a16 == 6)) && 1 == a21) && a17 <= 0) || ((a8 <= 13 && !(\old(a7) == 1)) && 1 == a21)) && a7 <= 0)) || !(1 == \old(a17))) || !(15 == \old(a8))) || (1 == a7 && (((((1 == a7 && !(\old(a7) == 1)) && !(a16 == 6)) && 1 == a21) && a17 <= 0) || ((a8 <= 13 && !(\old(a7) == 1)) && 1 == a21)))) || ((a8 <= 13 && !(a16 == 6)) && a20 <= 0) [2018-12-03 02:29:54,775 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1f570f6d-5876-40f9-a9bf-993d15a602cb/bin-2019/utaipan/witness.graphml [2018-12-03 02:29:54,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 02:29:54,776 INFO L168 Benchmark]: Toolchain (without parser) took 16091.80 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 825.8 MB). Free memory was 948.1 MB in the beginning and 952.1 MB in the end (delta: -4.0 MB). Peak memory consumption was 821.7 MB. Max. memory is 11.5 GB. [2018-12-03 02:29:54,776 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:29:54,777 INFO L168 Benchmark]: CACSL2BoogieTranslator took 334.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -158.5 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-12-03 02:29:54,777 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-03 02:29:54,777 INFO L168 Benchmark]: Boogie Preprocessor took 47.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-03 02:29:54,777 INFO L168 Benchmark]: RCFGBuilder took 593.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.3 MB in the end (delta: 99.6 MB). Peak memory consumption was 99.6 MB. Max. memory is 11.5 GB. [2018-12-03 02:29:54,777 INFO L168 Benchmark]: TraceAbstraction took 15000.45 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 707.3 MB). Free memory was 990.9 MB in the beginning and 971.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 727.2 MB. Max. memory is 11.5 GB. [2018-12-03 02:29:54,777 INFO L168 Benchmark]: Witness Printer took 89.04 ms. Allocated memory is still 1.9 GB. Free memory was 971.0 MB in the beginning and 952.1 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. [2018-12-03 02:29:54,778 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 334.96 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 118.5 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -158.5 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.67 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 593.65 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 996.3 MB in the end (delta: 99.6 MB). Peak memory consumption was 99.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15000.45 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 707.3 MB). Free memory was 990.9 MB in the beginning and 971.0 MB in the end (delta: 19.9 MB). Peak memory consumption was 727.2 MB. Max. memory is 11.5 GB. * Witness Printer took 89.04 ms. Allocated memory is still 1.9 GB. Free memory was 971.0 MB in the beginning and 952.1 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 533]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((!(1 == \old(a21)) || (((((a17 == 1 && a8 <= \old(a8)) && a7 == \old(a7)) && 1 == a21) && a20 == \old(a20)) && a16 == 5)) || (a8 <= 13 && 1 == a20)) || !(8 == a12)) || !(1 == \old(a20))) || (((1 == a20 && 1 == a21) && 6 <= a16) && a7 <= 0)) || !(5 == \old(a16))) || (((1 == a20 && 1 == a21) && a17 <= 0) && a7 <= 0)) || ((1 == a21 && a20 <= 0) && a7 <= 0)) || !(0 == \old(a7))) || (((1 == a20 && 1 == a21) && a8 <= 14) && a7 <= 0)) || (((1 == a21 && a17 <= 0) && 6 <= a16) && a7 <= 0)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || ((((((1 == a7 && !(\old(a7) == 1)) && !(a16 == 6)) && 1 == a21) && a17 <= 0) || ((a8 <= 13 && !(\old(a7) == 1)) && 1 == a21)) && a7 <= 0)) || !(1 == \old(a17))) || !(15 == \old(a8))) || (1 == a7 && (((((1 == a7 && !(\old(a7) == 1)) && !(a16 == 6)) && 1 == a21) && a17 <= 0) || ((a8 <= 13 && !(\old(a7) == 1)) && 1 == a21)))) || ((a8 <= 13 && !(a16 == 6)) && a20 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 14.9s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 9.4s AutomataDifference, 0.0s DeadEndRemovalTime, 1.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 772 SDtfs, 6241 SDslu, 653 SDs, 0 SdLazy, 10250 SolverSat, 1625 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.4s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2607 GetRequests, 2465 SyntacticMatches, 13 SemanticMatches, 129 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 449 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3995occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.2s AbstIntTime, 8 AbstIntIterations, 2 AbstIntStrong, 0.9979094833120141 AbsIntWeakeningRatio, 0.21768707482993196 AbsIntAvgWeakeningVarsNumRemoved, 30.04421768707483 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 2645 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 144 PreInvPairs, 196 NumberOfFragments, 1082 HoareAnnotationTreeSize, 144 FomulaSimplifications, 35455 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5815 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2709 NumberOfCodeBlocks, 2709 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3764 ConstructedInterpolants, 0 QuantifiedInterpolants, 1336434 SizeOfPredicates, 8 NumberOfNonLiveVariables, 3232 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 22 InterpolantComputations, 6 PerfectInterpolantSequences, 1620/1821 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...