./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label55_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_5df204ee-5bf8-47e3-a6c3-2ead49f4c44d/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5df204ee-5bf8-47e3-a6c3-2ead49f4c44d/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5df204ee-5bf8-47e3-a6c3-2ead49f4c44d/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5df204ee-5bf8-47e3-a6c3-2ead49f4c44d/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label55_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5df204ee-5bf8-47e3-a6c3-2ead49f4c44d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5df204ee-5bf8-47e3-a6c3-2ead49f4c44d/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 f7581b03dc5e38c896dc44d57a6d1677c5f9e4cd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 22:08:27,737 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:08:27,738 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:08:27,744 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:08:27,744 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:08:27,745 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:08:27,745 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:08:27,746 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:08:27,747 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:08:27,747 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:08:27,748 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:08:27,748 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:08:27,748 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:08:27,749 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:08:27,749 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:08:27,749 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:08:27,750 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:08:27,751 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:08:27,752 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:08:27,752 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:08:27,753 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:08:27,753 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:08:27,754 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:08:27,755 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:08:27,755 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:08:27,755 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:08:27,756 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:08:27,756 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:08:27,756 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:08:27,757 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:08:27,757 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:08:27,757 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:08:27,757 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:08:27,757 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:08:27,758 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:08:27,758 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:08:27,758 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5df204ee-5bf8-47e3-a6c3-2ead49f4c44d/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-01 22:08:27,765 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:08:27,765 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:08:27,766 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:08:27,766 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 22:08:27,766 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-01 22:08:27,766 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-01 22:08:27,766 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-01 22:08:27,766 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-01 22:08:27,767 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-01 22:08:27,767 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-01 22:08:27,767 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-01 22:08:27,767 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-01 22:08:27,767 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-01 22:08:27,767 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:08:27,767 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:08:27,767 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:08:27,768 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:08:27,768 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:08:27,768 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:08:27,768 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:08:27,768 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:08:27,768 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:08:27,768 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:08:27,768 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:08:27,768 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:08:27,768 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 22:08:27,768 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:08:27,769 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 22:08:27,769 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:08:27,769 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:08:27,769 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:08:27,769 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:08:27,769 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-01 22:08:27,769 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:08:27,769 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 22:08:27,769 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-01 22:08:27,769 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_5df204ee-5bf8-47e3-a6c3-2ead49f4c44d/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 -> f7581b03dc5e38c896dc44d57a6d1677c5f9e4cd [2018-12-01 22:08:27,786 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:08:27,793 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:08:27,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:08:27,796 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:08:27,796 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:08:27,797 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5df204ee-5bf8-47e3-a6c3-2ead49f4c44d/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label55_true-unreach-call_false-termination.c [2018-12-01 22:08:27,832 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5df204ee-5bf8-47e3-a6c3-2ead49f4c44d/bin-2019/utaipan/data/89cf06b39/ce5f5067763848e39180a6be992c9465/FLAGa867d7744 [2018-12-01 22:08:28,218 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:08:28,219 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5df204ee-5bf8-47e3-a6c3-2ead49f4c44d/sv-benchmarks/c/eca-rers2012/Problem02_label55_true-unreach-call_false-termination.c [2018-12-01 22:08:28,225 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5df204ee-5bf8-47e3-a6c3-2ead49f4c44d/bin-2019/utaipan/data/89cf06b39/ce5f5067763848e39180a6be992c9465/FLAGa867d7744 [2018-12-01 22:08:28,564 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5df204ee-5bf8-47e3-a6c3-2ead49f4c44d/bin-2019/utaipan/data/89cf06b39/ce5f5067763848e39180a6be992c9465 [2018-12-01 22:08:28,566 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:08:28,567 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:08:28,568 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:08:28,568 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:08:28,570 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:08:28,570 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:08:28" (1/1) ... [2018-12-01 22:08:28,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7a2c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:28, skipping insertion in model container [2018-12-01 22:08:28,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:08:28" (1/1) ... [2018-12-01 22:08:28,577 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:08:28,601 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:08:28,779 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:08:28,782 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:08:28,873 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:08:28,883 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:08:28,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:28 WrapperNode [2018-12-01 22:08:28,883 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:08:28,884 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:08:28,884 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:08:28,884 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:08:28,889 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:28" (1/1) ... [2018-12-01 22:08:28,898 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:28" (1/1) ... [2018-12-01 22:08:28,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:08:28,903 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:08:28,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:08:28,903 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:08:28,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:28" (1/1) ... [2018-12-01 22:08:28,909 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:28" (1/1) ... [2018-12-01 22:08:28,911 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:28" (1/1) ... [2018-12-01 22:08:28,912 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:28" (1/1) ... [2018-12-01 22:08:28,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:28" (1/1) ... [2018-12-01 22:08:28,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:28" (1/1) ... [2018-12-01 22:08:28,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:28" (1/1) ... [2018-12-01 22:08:28,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:08:28,939 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:08:28,939 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:08:28,939 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:08:28,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5df204ee-5bf8-47e3-a6c3-2ead49f4c44d/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 [2018-12-01 22:08:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 22:08:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 22:08:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-01 22:08:28,972 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-01 22:08:28,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:08:28,973 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:08:28,973 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 22:08:28,973 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 22:08:29,488 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:08:29,488 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-01 22:08:29,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:08:29 BoogieIcfgContainer [2018-12-01 22:08:29,489 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:08:29,489 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 22:08:29,489 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 22:08:29,491 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 22:08:29,491 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 10:08:28" (1/3) ... [2018-12-01 22:08:29,491 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d0c47de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:08:29, skipping insertion in model container [2018-12-01 22:08:29,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:08:28" (2/3) ... [2018-12-01 22:08:29,492 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1d0c47de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:08:29, skipping insertion in model container [2018-12-01 22:08:29,492 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:08:29" (3/3) ... [2018-12-01 22:08:29,493 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label55_true-unreach-call_false-termination.c [2018-12-01 22:08:29,499 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 22:08:29,504 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 22:08:29,513 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 22:08:29,532 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 22:08:29,532 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 22:08:29,532 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 22:08:29,532 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 22:08:29,532 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 22:08:29,532 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 22:08:29,532 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 22:08:29,532 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 22:08:29,546 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-01 22:08:29,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-01 22:08:29,552 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:08:29,552 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] [2018-12-01 22:08:29,554 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:08:29,557 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:08:29,557 INFO L82 PathProgramCache]: Analyzing trace with hash 1666327721, now seen corresponding path program 1 times [2018-12-01 22:08:29,559 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:08:29,587 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:08:29,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:08:29,588 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:08:29,588 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:08:29,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:08:29,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:08:29,778 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:08:29,779 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:08:29,779 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:08:29,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:08:29,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:08:29,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:08:29,792 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-01 22:08:30,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:08:30,204 INFO L93 Difference]: Finished difference Result 624 states and 1069 transitions. [2018-12-01 22:08:30,205 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:08:30,206 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2018-12-01 22:08:30,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:08:30,216 INFO L225 Difference]: With dead ends: 624 [2018-12-01 22:08:30,216 INFO L226 Difference]: Without dead ends: 326 [2018-12-01 22:08:30,219 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 [2018-12-01 22:08:30,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 326 states. [2018-12-01 22:08:30,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 326 to 321. [2018-12-01 22:08:30,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 321 states. [2018-12-01 22:08:30,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 467 transitions. [2018-12-01 22:08:30,261 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 467 transitions. Word has length 111 [2018-12-01 22:08:30,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:08:30,262 INFO L480 AbstractCegarLoop]: Abstraction has 321 states and 467 transitions. [2018-12-01 22:08:30,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:08:30,262 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 467 transitions. [2018-12-01 22:08:30,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-01 22:08:30,266 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:08:30,266 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:08:30,266 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:08:30,266 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:08:30,267 INFO L82 PathProgramCache]: Analyzing trace with hash 2094723630, now seen corresponding path program 1 times [2018-12-01 22:08:30,267 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:08:30,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:08:30,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:08:30,268 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:08:30,268 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:08:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:08:30,360 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:08:30,360 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:08:30,360 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 22:08:30,360 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:08:30,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 22:08:30,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 22:08:30,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-01 22:08:30,362 INFO L87 Difference]: Start difference. First operand 321 states and 467 transitions. Second operand 4 states. [2018-12-01 22:08:30,907 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:08:30,907 INFO L93 Difference]: Finished difference Result 1219 states and 1824 transitions. [2018-12-01 22:08:30,907 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 22:08:30,907 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2018-12-01 22:08:30,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:08:30,912 INFO L225 Difference]: With dead ends: 1219 [2018-12-01 22:08:30,912 INFO L226 Difference]: Without dead ends: 904 [2018-12-01 22:08:30,913 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-01 22:08:30,914 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2018-12-01 22:08:30,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 755. [2018-12-01 22:08:30,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-12-01 22:08:30,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1063 transitions. [2018-12-01 22:08:30,939 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1063 transitions. Word has length 119 [2018-12-01 22:08:30,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:08:30,940 INFO L480 AbstractCegarLoop]: Abstraction has 755 states and 1063 transitions. [2018-12-01 22:08:30,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 22:08:30,940 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1063 transitions. [2018-12-01 22:08:30,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-01 22:08:30,943 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:08:30,943 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:08:30,943 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:08:30,944 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:08:30,944 INFO L82 PathProgramCache]: Analyzing trace with hash -30959147, now seen corresponding path program 1 times [2018-12-01 22:08:30,944 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:08:30,944 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:08:30,944 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:08:30,945 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:08:30,945 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:08:30,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:08:31,090 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:08:31,090 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:08:31,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-01 22:08:31,091 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:08:31,091 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-01 22:08:31,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-01 22:08:31,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:08:31,091 INFO L87 Difference]: Start difference. First operand 755 states and 1063 transitions. Second operand 5 states. [2018-12-01 22:08:31,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:08:31,427 INFO L93 Difference]: Finished difference Result 1588 states and 2287 transitions. [2018-12-01 22:08:31,428 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 22:08:31,428 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2018-12-01 22:08:31,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:08:31,431 INFO L225 Difference]: With dead ends: 1588 [2018-12-01 22:08:31,431 INFO L226 Difference]: Without dead ends: 755 [2018-12-01 22:08:31,432 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-01 22:08:31,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2018-12-01 22:08:31,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 755. [2018-12-01 22:08:31,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 755 states. [2018-12-01 22:08:31,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 755 states to 755 states and 1049 transitions. [2018-12-01 22:08:31,448 INFO L78 Accepts]: Start accepts. Automaton has 755 states and 1049 transitions. Word has length 135 [2018-12-01 22:08:31,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:08:31,449 INFO L480 AbstractCegarLoop]: Abstraction has 755 states and 1049 transitions. [2018-12-01 22:08:31,449 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-01 22:08:31,449 INFO L276 IsEmpty]: Start isEmpty. Operand 755 states and 1049 transitions. [2018-12-01 22:08:31,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-01 22:08:31,451 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:08:31,451 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:08:31,451 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:08:31,451 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:08:31,451 INFO L82 PathProgramCache]: Analyzing trace with hash -906165834, now seen corresponding path program 1 times [2018-12-01 22:08:31,451 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:08:31,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:08:31,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:08:31,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:08:31,452 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:08:31,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:08:31,524 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 40 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 22:08:31,525 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:08:31,525 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:08:31,525 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-12-01 22:08:31,526 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-01 22:08:31,554 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:08:31,554 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:08:31,771 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:08:31,772 INFO L272 AbstractInterpreter]: Visited 112 different actions 112 times. Never merged. Never widened. Performed 1239 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1239 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-01 22:08:31,777 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:08:31,777 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:08:31,984 INFO L227 lantSequenceWeakener]: Weakened 148 states. On average, predicates are now at 80.82% of their original sizes. [2018-12-01 22:08:31,984 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:08:32,009 INFO L418 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2018-12-01 22:08:32,010 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:08:32,010 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:08:32,010 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-12-01 22:08:32,010 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:08:32,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-01 22:08:32,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-01 22:08:32,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:08:32,011 INFO L87 Difference]: Start difference. First operand 755 states and 1049 transitions. Second operand 7 states. [2018-12-01 22:08:33,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:08:33,399 INFO L93 Difference]: Finished difference Result 1652 states and 2304 transitions. [2018-12-01 22:08:33,399 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 22:08:33,399 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 157 [2018-12-01 22:08:33,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:08:33,401 INFO L225 Difference]: With dead ends: 1652 [2018-12-01 22:08:33,401 INFO L226 Difference]: Without dead ends: 903 [2018-12-01 22:08:33,402 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 157 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-12-01 22:08:33,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 903 states. [2018-12-01 22:08:33,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 903 to 901. [2018-12-01 22:08:33,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 901 states. [2018-12-01 22:08:33,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 901 states and 1207 transitions. [2018-12-01 22:08:33,416 INFO L78 Accepts]: Start accepts. Automaton has 901 states and 1207 transitions. Word has length 157 [2018-12-01 22:08:33,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:08:33,416 INFO L480 AbstractCegarLoop]: Abstraction has 901 states and 1207 transitions. [2018-12-01 22:08:33,416 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-01 22:08:33,416 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1207 transitions. [2018-12-01 22:08:33,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 22:08:33,418 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:08:33,418 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:08:33,418 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:08:33,418 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:08:33,418 INFO L82 PathProgramCache]: Analyzing trace with hash 1631553380, now seen corresponding path program 1 times [2018-12-01 22:08:33,419 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:08:33,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:08:33,419 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:08:33,419 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:08:33,419 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:08:33,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:08:33,514 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 44 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:08:33,515 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:08:33,515 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:08:33,515 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-12-01 22:08:33,515 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-01 22:08:33,519 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:08:33,519 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:08:33,763 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:08:33,763 INFO L272 AbstractInterpreter]: Visited 115 different actions 337 times. Merged at 6 different actions 12 times. Never widened. Performed 3937 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3937 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-01 22:08:33,767 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:08:33,767 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:08:33,958 INFO L227 lantSequenceWeakener]: Weakened 157 states. On average, predicates are now at 84.29% of their original sizes. [2018-12-01 22:08:33,958 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:08:33,991 INFO L418 sIntCurrentIteration]: We unified 159 AI predicates to 159 [2018-12-01 22:08:33,991 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:08:33,991 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:08:33,991 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2018-12-01 22:08:33,991 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:08:33,992 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 22:08:33,992 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 22:08:33,992 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:08:33,992 INFO L87 Difference]: Start difference. First operand 901 states and 1207 transitions. Second operand 10 states. [2018-12-01 22:08:37,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:08:37,107 INFO L93 Difference]: Finished difference Result 2981 states and 4133 transitions. [2018-12-01 22:08:37,107 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-01 22:08:37,107 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 160 [2018-12-01 22:08:37,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:08:37,114 INFO L225 Difference]: With dead ends: 2981 [2018-12-01 22:08:37,114 INFO L226 Difference]: Without dead ends: 2086 [2018-12-01 22:08:37,116 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 170 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-01 22:08:37,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2086 states. [2018-12-01 22:08:37,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2086 to 2076. [2018-12-01 22:08:37,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2076 states. [2018-12-01 22:08:37,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2076 states to 2076 states and 2694 transitions. [2018-12-01 22:08:37,162 INFO L78 Accepts]: Start accepts. Automaton has 2076 states and 2694 transitions. Word has length 160 [2018-12-01 22:08:37,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:08:37,163 INFO L480 AbstractCegarLoop]: Abstraction has 2076 states and 2694 transitions. [2018-12-01 22:08:37,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 22:08:37,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2076 states and 2694 transitions. [2018-12-01 22:08:37,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-01 22:08:37,168 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:08:37,168 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:08:37,168 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:08:37,168 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:08:37,168 INFO L82 PathProgramCache]: Analyzing trace with hash 2023957546, now seen corresponding path program 1 times [2018-12-01 22:08:37,169 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:08:37,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:08:37,169 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:08:37,169 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:08:37,169 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:08:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:08:37,233 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 60 proven. 25 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-01 22:08:37,233 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:08:37,233 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:08:37,233 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-12-01 22:08:37,234 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [13], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-01 22:08:37,236 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:08:37,236 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:08:37,458 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:08:37,458 INFO L272 AbstractInterpreter]: Visited 118 different actions 464 times. Merged at 7 different actions 25 times. Never widened. Performed 5449 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5449 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-01 22:08:37,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:08:37,460 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:08:37,460 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:08:37,460 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5df204ee-5bf8-47e3-a6c3-2ead49f4c44d/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 [2018-12-01 22:08:37,467 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:08:37,467 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:08:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:08:37,527 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:08:37,586 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-12-01 22:08:37,587 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:08:37,644 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 77 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-01 22:08:37,670 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:08:37,670 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-12-01 22:08:37,670 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:08:37,671 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-01 22:08:37,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-01 22:08:37,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-12-01 22:08:37,671 INFO L87 Difference]: Start difference. First operand 2076 states and 2694 transitions. Second operand 11 states. [2018-12-01 22:08:38,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:08:38,771 INFO L93 Difference]: Finished difference Result 5278 states and 7297 transitions. [2018-12-01 22:08:38,772 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-01 22:08:38,772 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2018-12-01 22:08:38,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:08:38,781 INFO L225 Difference]: With dead ends: 5278 [2018-12-01 22:08:38,781 INFO L226 Difference]: Without dead ends: 3208 [2018-12-01 22:08:38,785 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 360 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=277, Invalid=715, Unknown=0, NotChecked=0, Total=992 [2018-12-01 22:08:38,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2018-12-01 22:08:38,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 3135. [2018-12-01 22:08:38,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3135 states. [2018-12-01 22:08:38,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3135 states to 3135 states and 3848 transitions. [2018-12-01 22:08:38,844 INFO L78 Accepts]: Start accepts. Automaton has 3135 states and 3848 transitions. Word has length 174 [2018-12-01 22:08:38,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:08:38,844 INFO L480 AbstractCegarLoop]: Abstraction has 3135 states and 3848 transitions. [2018-12-01 22:08:38,844 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-01 22:08:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand 3135 states and 3848 transitions. [2018-12-01 22:08:38,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-01 22:08:38,850 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:08:38,850 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:08:38,850 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:08:38,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:08:38,851 INFO L82 PathProgramCache]: Analyzing trace with hash 696055040, now seen corresponding path program 1 times [2018-12-01 22:08:38,851 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:08:38,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:08:38,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:08:38,852 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:08:38,852 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:08:38,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:08:38,969 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 89 proven. 17 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-01 22:08:38,969 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:08:38,969 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:08:38,970 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 188 with the following transitions: [2018-12-01 22:08:38,970 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [151], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-01 22:08:38,972 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:08:38,972 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:08:39,120 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:08:39,120 INFO L272 AbstractInterpreter]: Visited 117 different actions 352 times. Merged at 7 different actions 23 times. Never widened. Performed 4244 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4244 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-01 22:08:39,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:08:39,125 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:08:39,125 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:08:39,125 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5df204ee-5bf8-47e3-a6c3-2ead49f4c44d/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 [2018-12-01 22:08:39,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:08:39,133 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:08:39,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:08:39,178 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:08:39,213 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 22:08:39,213 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:08:39,259 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 22:08:39,274 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:08:39,274 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-01 22:08:39,274 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:08:39,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-01 22:08:39,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-01 22:08:39,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2018-12-01 22:08:39,275 INFO L87 Difference]: Start difference. First operand 3135 states and 3848 transitions. Second operand 11 states. [2018-12-01 22:08:41,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:08:41,361 INFO L93 Difference]: Finished difference Result 9056 states and 11447 transitions. [2018-12-01 22:08:41,362 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-12-01 22:08:41,362 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 187 [2018-12-01 22:08:41,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:08:41,373 INFO L225 Difference]: With dead ends: 9056 [2018-12-01 22:08:41,373 INFO L226 Difference]: Without dead ends: 5182 [2018-12-01 22:08:41,378 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 384 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2018-12-01 22:08:41,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5182 states. [2018-12-01 22:08:41,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5182 to 4746. [2018-12-01 22:08:41,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4746 states. [2018-12-01 22:08:41,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4746 states to 4746 states and 5354 transitions. [2018-12-01 22:08:41,434 INFO L78 Accepts]: Start accepts. Automaton has 4746 states and 5354 transitions. Word has length 187 [2018-12-01 22:08:41,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:08:41,435 INFO L480 AbstractCegarLoop]: Abstraction has 4746 states and 5354 transitions. [2018-12-01 22:08:41,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-01 22:08:41,435 INFO L276 IsEmpty]: Start isEmpty. Operand 4746 states and 5354 transitions. [2018-12-01 22:08:41,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-12-01 22:08:41,441 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:08:41,441 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:08:41,441 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:08:41,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:08:41,441 INFO L82 PathProgramCache]: Analyzing trace with hash 14683724, now seen corresponding path program 1 times [2018-12-01 22:08:41,442 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:08:41,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:08:41,442 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:08:41,442 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:08:41,442 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:08:41,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:08:41,504 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 108 proven. 54 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-01 22:08:41,504 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:08:41,505 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:08:41,505 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 217 with the following transitions: [2018-12-01 22:08:41,505 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [115], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-01 22:08:41,507 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:08:41,507 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:08:41,701 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:08:41,701 INFO L272 AbstractInterpreter]: Visited 118 different actions 469 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Performed 5522 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5522 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-01 22:08:41,705 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:08:41,705 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:08:41,705 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:08:41,705 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5df204ee-5bf8-47e3-a6c3-2ead49f4c44d/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 [2018-12-01 22:08:41,714 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:08:41,714 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:08:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:08:41,757 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:08:41,795 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-01 22:08:41,795 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:08:41,848 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 108 proven. 54 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-01 22:08:41,863 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:08:41,863 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-01 22:08:41,863 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:08:41,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:08:41,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:08:41,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:08:41,864 INFO L87 Difference]: Start difference. First operand 4746 states and 5354 transitions. Second operand 9 states. [2018-12-01 22:08:42,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:08:42,325 INFO L93 Difference]: Finished difference Result 9819 states and 11225 transitions. [2018-12-01 22:08:42,325 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-01 22:08:42,325 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 216 [2018-12-01 22:08:42,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:08:42,338 INFO L225 Difference]: With dead ends: 9819 [2018-12-01 22:08:42,338 INFO L226 Difference]: Without dead ends: 5223 [2018-12-01 22:08:42,344 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 431 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-12-01 22:08:42,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5223 states. [2018-12-01 22:08:42,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5223 to 5216. [2018-12-01 22:08:42,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5216 states. [2018-12-01 22:08:42,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5216 states to 5216 states and 5922 transitions. [2018-12-01 22:08:42,434 INFO L78 Accepts]: Start accepts. Automaton has 5216 states and 5922 transitions. Word has length 216 [2018-12-01 22:08:42,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:08:42,434 INFO L480 AbstractCegarLoop]: Abstraction has 5216 states and 5922 transitions. [2018-12-01 22:08:42,434 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:08:42,434 INFO L276 IsEmpty]: Start isEmpty. Operand 5216 states and 5922 transitions. [2018-12-01 22:08:42,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-01 22:08:42,444 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:08:42,444 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:08:42,444 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:08:42,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:08:42,445 INFO L82 PathProgramCache]: Analyzing trace with hash 917846228, now seen corresponding path program 1 times [2018-12-01 22:08:42,445 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:08:42,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:08:42,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:08:42,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:08:42,446 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:08:42,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:08:42,526 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 116 proven. 54 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-01 22:08:42,526 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:08:42,526 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:08:42,526 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-12-01 22:08:42,526 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [115], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-01 22:08:42,528 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:08:42,528 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:08:42,671 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:08:42,671 INFO L272 AbstractInterpreter]: Visited 118 different actions 352 times. Merged at 8 different actions 20 times. Never widened. Performed 4146 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4146 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-01 22:08:42,672 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:08:42,673 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:08:42,673 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:08:42,673 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5df204ee-5bf8-47e3-a6c3-2ead49f4c44d/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 [2018-12-01 22:08:42,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:08:42,678 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:08:42,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:08:42,726 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:08:42,766 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 22:08:42,766 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:08:42,822 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-01 22:08:42,837 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:08:42,837 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-01 22:08:42,837 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:08:42,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:08:42,837 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:08:42,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:08:42,838 INFO L87 Difference]: Start difference. First operand 5216 states and 5922 transitions. Second operand 9 states. [2018-12-01 22:08:44,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:08:44,102 INFO L93 Difference]: Finished difference Result 10742 states and 12266 transitions. [2018-12-01 22:08:44,103 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-12-01 22:08:44,103 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 220 [2018-12-01 22:08:44,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:08:44,110 INFO L225 Difference]: With dead ends: 10742 [2018-12-01 22:08:44,110 INFO L226 Difference]: Without dead ends: 5524 [2018-12-01 22:08:44,114 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 459 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 379 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=338, Invalid=1222, Unknown=0, NotChecked=0, Total=1560 [2018-12-01 22:08:44,117 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5524 states. [2018-12-01 22:08:44,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5524 to 5071. [2018-12-01 22:08:44,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5071 states. [2018-12-01 22:08:44,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5071 states to 5071 states and 5470 transitions. [2018-12-01 22:08:44,164 INFO L78 Accepts]: Start accepts. Automaton has 5071 states and 5470 transitions. Word has length 220 [2018-12-01 22:08:44,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:08:44,164 INFO L480 AbstractCegarLoop]: Abstraction has 5071 states and 5470 transitions. [2018-12-01 22:08:44,164 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:08:44,164 INFO L276 IsEmpty]: Start isEmpty. Operand 5071 states and 5470 transitions. [2018-12-01 22:08:44,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-01 22:08:44,169 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:08:44,169 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:08:44,169 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:08:44,169 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:08:44,170 INFO L82 PathProgramCache]: Analyzing trace with hash -170246894, now seen corresponding path program 1 times [2018-12-01 22:08:44,170 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:08:44,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:08:44,170 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:08:44,170 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:08:44,170 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:08:44,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:08:44,220 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 137 proven. 30 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-01 22:08:44,220 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:08:44,220 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:08:44,221 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 226 with the following transitions: [2018-12-01 22:08:44,221 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [25], [26], [30], [34], [37], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [151], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-01 22:08:44,222 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:08:44,222 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:08:44,421 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:08:44,421 INFO L272 AbstractInterpreter]: Visited 119 different actions 480 times. Merged at 8 different actions 37 times. Widened at 1 different actions 1 times. Performed 5738 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5738 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 13 fixpoints after 4 different actions. Largest state had 38 variables. [2018-12-01 22:08:44,422 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:08:44,422 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:08:44,422 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:08:44,422 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5df204ee-5bf8-47e3-a6c3-2ead49f4c44d/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 [2018-12-01 22:08:44,428 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:08:44,429 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:08:44,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:08:44,482 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:08:44,512 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-01 22:08:44,512 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:08:44,587 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-12-01 22:08:44,602 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:08:44,603 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-01 22:08:44,603 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:08:44,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:08:44,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:08:44,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-12-01 22:08:44,603 INFO L87 Difference]: Start difference. First operand 5071 states and 5470 transitions. Second operand 9 states. [2018-12-01 22:08:45,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:08:45,616 INFO L93 Difference]: Finished difference Result 6565 states and 7081 transitions. [2018-12-01 22:08:45,617 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-01 22:08:45,617 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 225 [2018-12-01 22:08:45,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:08:45,618 INFO L225 Difference]: With dead ends: 6565 [2018-12-01 22:08:45,618 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 22:08:45,632 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 479 GetRequests, 456 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=407, Unknown=0, NotChecked=0, Total=552 [2018-12-01 22:08:45,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 22:08:45,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 22:08:45,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 22:08:45,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 22:08:45,633 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2018-12-01 22:08:45,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:08:45,633 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 22:08:45,634 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:08:45,634 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 22:08:45,634 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 22:08:45,639 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 22:08:45,756 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:08:45,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:08:45,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:08:45,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:08:45,773 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:08:45,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:08:45,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:08:45,813 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:08:45,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:08:45,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:08:45,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:08:46,746 WARN L180 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 105 [2018-12-01 22:08:47,269 WARN L180 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 82 [2018-12-01 22:08:47,687 WARN L180 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 82 [2018-12-01 22:08:47,689 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 22:08:47,689 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-12-01 22:08:47,689 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 22:08:47,689 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,689 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,689 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,689 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,689 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,689 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-01 22:08:47,689 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-01 22:08:47,689 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-01 22:08:47,689 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-01 22:08:47,689 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-01 22:08:47,689 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-01 22:08:47,689 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-01 22:08:47,689 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-01 22:08:47,690 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 487) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,691 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-01 22:08:47,692 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-01 22:08:47,693 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,694 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,694 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-01 22:08:47,694 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-01 22:08:47,694 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-01 22:08:47,694 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-01 22:08:47,694 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-01 22:08:47,694 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-01 22:08:47,694 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-01 22:08:47,694 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-01 22:08:47,694 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-01 22:08:47,694 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-01 22:08:47,694 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-01 22:08:47,694 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,694 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,694 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,694 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,694 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,694 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,694 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-01 22:08:47,694 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-01 22:08:47,695 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-01 22:08:47,695 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-01 22:08:47,695 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-01 22:08:47,695 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-01 22:08:47,695 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-01 22:08:47,695 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-01 22:08:47,695 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-01 22:08:47,695 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-01 22:08:47,695 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-01 22:08:47,695 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,695 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,695 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,695 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,695 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,695 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,696 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-01 22:08:47,696 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-01 22:08:47,696 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-01 22:08:47,696 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-01 22:08:47,696 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-01 22:08:47,696 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-01 22:08:47,696 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-01 22:08:47,696 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-01 22:08:47,696 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-01 22:08:47,696 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-01 22:08:47,696 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-01 22:08:47,696 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-01 22:08:47,696 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-01 22:08:47,696 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-01 22:08:47,697 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,697 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,697 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,697 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse7 (= 1 |old(~a25~0)|)) (.cse12 (= 10 |old(~a28~0)|))) (let ((.cse30 (not .cse12)) (.cse15 (not .cse7)) (.cse0 (not (= 1 ~a21~0))) (.cse26 (not (= 1 |old(~a19~0)|))) (.cse11 (= 0 |old(~a28~0)|)) (.cse8 (not (= 0 |old(~a11~0)|))) (.cse32 (= |old(~a17~0)| ~a17~0)) (.cse31 (= 1 ~a11~0)) (.cse21 (= |old(~a19~0)| ~a19~0)) (.cse28 (= ~a11~0 0)) (.cse25 (= ~a17~0 8)) (.cse29 (= ~a28~0 |old(~a28~0)|)) (.cse22 (= ~a25~0 |old(~a25~0)|))) (let ((.cse14 (and .cse21 .cse28 .cse25 .cse29 .cse22)) (.cse18 (< |old(~a19~0)| 1)) (.cse2 (< |old(~a17~0)| 8)) (.cse17 (not (= 9 |old(~a28~0)|))) (.cse6 (and .cse32 .cse21 .cse31 .cse29 .cse22)) (.cse4 (< 8 |old(~a17~0)|)) (.cse24 (= |old(~a28~0)| ~a28~0)) (.cse19 (and .cse21 .cse32 (= |old(~a25~0)| ~a25~0) .cse29)) (.cse20 (< 7 |old(~a17~0)|)) (.cse10 (< 10 |old(~a28~0)|)) (.cse16 (and (or .cse0 .cse30 .cse15 .cse8 (not (= 0 |old(~a19~0)|))) (or .cse0 .cse26 .cse11 .cse8))) (.cse27 (= ~a19~0 1)) (.cse23 (= ~a11~0 |old(~a11~0)|)) (.cse1 (< 7 |old(~a28~0)|)) (.cse3 (< 0 |old(~a19~0)|)) (.cse9 (= |calculate_output_#in~input| 0)) (.cse13 (not (= 8 |old(~a17~0)|))) (.cse5 (not (= 1 |old(~a11~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse8 .cse9 .cse7 .cse10 .cse11 .cse12 .cse13 .cse3 .cse14) (or .cse15 .cse9 .cse14 .cse16 .cse13) (or .cse0 .cse2 .cse15 .cse17 .cse6 .cse4 .cse5 .cse18) (or .cse0 .cse12 .cse19 .cse18 .cse20) (or .cse0 .cse17 .cse19 .cse20) (or (and .cse21 .cse22 .cse23 .cse24 .cse25) .cse9 .cse16 .cse17 .cse13) (or .cse0 (not (= |old(~a19~0)| 1)) .cse2 .cse17 .cse6 .cse4 .cse5) (or .cse0 (not (= 7 |old(~a28~0)|)) .cse8 .cse9 .cse26 .cse13 (and .cse27 .cse22 .cse23 .cse24 .cse25) (not (= 0 |old(~a25~0)|))) (or .cse0 (= 8 |old(~a28~0)|) .cse19 .cse20 .cse7) (or .cse10 (or .cse16 .cse13 .cse9 .cse7) (< |old(~a28~0)| 10) (and (and .cse28 .cse27 .cse25 .cse29) .cse22)) (or (and (and .cse21 .cse25 .cse29 .cse22) .cse23) (or .cse0 .cse1 .cse11 .cse8 .cse13 .cse3 .cse9)) (or .cse0 .cse30 .cse15 .cse26 (and .cse31 (= 1 ~a25~0) (= 8 ~a17~0) (= 1 ~a19~0) (= 10 ~a28~0)) .cse13 .cse5))))) [2018-12-01 22:08:47,697 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,697 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,697 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,697 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-01 22:08:47,697 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-01 22:08:47,698 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-01 22:08:47,698 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-01 22:08:47,698 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-01 22:08:47,698 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-01 22:08:47,698 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-01 22:08:47,698 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-01 22:08:47,698 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-01 22:08:47,698 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-01 22:08:47,698 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-01 22:08:47,698 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-01 22:08:47,698 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-01 22:08:47,698 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,698 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,699 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,699 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,699 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,699 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,699 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-01 22:08:47,699 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-01 22:08:47,699 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-01 22:08:47,699 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-01 22:08:47,699 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-01 22:08:47,699 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-01 22:08:47,699 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-01 22:08:47,699 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-01 22:08:47,699 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-01 22:08:47,699 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-01 22:08:47,700 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-01 22:08:47,700 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-01 22:08:47,700 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-01 22:08:47,700 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-01 22:08:47,700 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-01 22:08:47,700 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-01 22:08:47,700 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,700 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,700 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,700 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,700 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-01 22:08:47,700 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-01 22:08:47,700 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-01 22:08:47,700 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-01 22:08:47,701 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-01 22:08:47,701 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-01 22:08:47,701 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-01 22:08:47,701 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-01 22:08:47,701 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-01 22:08:47,701 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-01 22:08:47,701 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-01 22:08:47,701 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-01 22:08:47,701 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-01 22:08:47,701 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-01 22:08:47,701 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-01 22:08:47,701 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-01 22:08:47,701 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-01 22:08:47,701 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-01 22:08:47,702 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-01 22:08:47,702 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-01 22:08:47,702 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 22:08:47,702 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-01 22:08:47,702 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 22:08:47,702 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 22:08:47,702 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-12-01 22:08:47,702 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse9 (not (= ~a28~0 0))) (.cse11 (= ~a19~0 1)) (.cse8 (= ~a11~0 0)) (.cse10 (= ~a17~0 8)) (.cse18 (= ~a25~0 1)) (.cse17 (= 10 ~a28~0))) (let ((.cse0 (not .cse17)) (.cse2 (<= 1 ~a19~0)) (.cse12 (<= ~a17~0 8)) (.cse5 (<= ~a19~0 0)) (.cse14 (<= ~a28~0 7)) (.cse7 (<= ~a28~0 10)) (.cse1 (<= ~a17~0 7)) (.cse6 (not .cse18)) (.cse15 (= 1 ~a11~0)) (.cse3 (= 1 ~a25~0)) (.cse16 (not (= main_~input~0 0))) (.cse13 (= 9 ~a28~0)) (.cse4 (or (and .cse8 .cse9 .cse10 .cse11) (and (= ~a28~0 10) (= ~a19~0 0) .cse8 .cse10 .cse18)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2) (and .cse3 (and .cse0 .cse4)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (and .cse8 .cse11 (= ~a28~0 |old(~a28~0)|) .cse12 (= ~a25~0 |old(~a25~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse1 .cse13) (and .cse5 .cse14 (not .cse3) .cse15 .cse12) (and .cse3 .cse2 .cse15 .cse13 .cse12) (not (= 0 |old(~a25~0)|)) (and (= |old(~a19~0)| ~a19~0) .cse15 (and .cse13 .cse12)) (and .cse5 .cse14 .cse8 .cse9 .cse10) (and .cse7 (and .cse16 (<= 10 ~a28~0) .cse4)) (and .cse1 (and .cse6 (not (= ~a28~0 8)))) (not (= 1 |old(~a19~0)|)) (and .cse15 .cse3 (= 8 ~a17~0) (= 1 ~a19~0) .cse17) (not (= 8 |old(~a17~0)|)) (and .cse16 .cse13 .cse4)))) [2018-12-01 22:08:47,702 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-01 22:08:47,703 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-01 22:08:47,703 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse19 (= ~a25~0 1)) (.cse3 (= ~a19~0 1)) (.cse18 (= 10 ~a28~0))) (let ((.cse8 (<= ~a28~0 7)) (.cse0 (not .cse18)) (.cse7 (<= ~a19~0 0)) (.cse10 (not (= ~a28~0 0))) (.cse2 (<= 1 ~a19~0)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse4 (not (= main_~input~0 0))) (.cse15 (or (and (= ~a28~0 10) (= ~a19~0 0) .cse19) .cse3)) (.cse9 (= ~a11~0 0)) (.cse6 (= ~a17~0 8)) (.cse17 (<= ~a28~0 10)) (.cse11 (= 9 ~a28~0)) (.cse14 (<= ~a17~0 8)) (.cse1 (<= ~a17~0 7)) (.cse16 (not .cse19)) (.cse13 (= 1 ~a11~0)) (.cse12 (= 1 ~a25~0))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2) (not (= 7 |old(~a28~0)|)) (and .cse3 (= ~a25~0 |old(~a25~0)|) .cse4 .cse5 (= |old(~a28~0)| ~a28~0) .cse6) (and .cse4 .cse7 .cse8 .cse9 .cse10 .cse6) (not (= 0 |old(~a11~0)|)) (and .cse1 .cse11) (and .cse7 .cse8 (not .cse12) .cse13 .cse14) (and .cse4 .cse15 .cse12 .cse9 .cse10 .cse6) (and .cse0 .cse4 .cse7 .cse16 .cse17 .cse9 .cse10 .cse6) (and .cse12 .cse2 .cse13 .cse11 .cse14) (and (and .cse4 .cse15 .cse11 .cse14) .cse5) (and (and .cse4 .cse15 (<= 10 ~a28~0) .cse9 .cse6) .cse17) (not (= 0 |old(~a25~0)|)) (and (= |old(~a19~0)| ~a19~0) .cse13 (and .cse11 .cse14)) (and .cse1 (and .cse16 (not (= ~a28~0 8)))) (not (= 1 |old(~a19~0)|)) (and .cse13 .cse12 (= 8 ~a17~0) (= 1 ~a19~0) .cse18) (not (= 8 |old(~a17~0)|))))) [2018-12-01 22:08:47,703 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-01 22:08:47,703 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-01 22:08:47,714 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 10:08:47 BoogieIcfgContainer [2018-12-01 22:08:47,714 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 22:08:47,714 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:08:47,714 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:08:47,714 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:08:47,715 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:08:29" (3/4) ... [2018-12-01 22:08:47,717 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 22:08:47,722 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 22:08:47,722 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-01 22:08:47,723 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 22:08:47,731 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-01 22:08:47,732 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-01 22:08:47,751 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((!(1 == a21) || ((!(10 == a28) && a17 <= 7) && 1 <= a19)) || (1 == a25 && !(10 == a28) && ((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) || ((((a28 == 10 && a19 == 0) && a11 == 0) && a17 == 8) && a25 == 1)))) || !(7 == \old(a28))) || ((((((!(10 == a28) && a19 <= 0) && !(a25 == 1)) && a28 <= 10) && a11 == 0) && !(a28 == 0)) && a17 == 8)) || ((((a11 == 0 && a19 == 1) && a28 == \old(a28)) && a17 <= 8) && a25 == \old(a25))) || !(0 == \old(a11))) || (a17 <= 7 && 9 == a28)) || ((((a19 <= 0 && a28 <= 7) && !(1 == a25)) && 1 == a11) && a17 <= 8)) || ((((1 == a25 && 1 <= a19) && 1 == a11) && 9 == a28) && a17 <= 8)) || !(0 == \old(a25))) || ((\old(a19) == a19 && 1 == a11) && 9 == a28 && a17 <= 8)) || ((((a19 <= 0 && a28 <= 7) && a11 == 0) && !(a28 == 0)) && a17 == 8)) || (a28 <= 10 && (!(input == 0) && 10 <= a28) && ((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) || ((((a28 == 10 && a19 == 0) && a11 == 0) && a17 == 8) && a25 == 1)))) || (a17 <= 7 && !(a25 == 1) && !(a28 == 8))) || !(1 == \old(a19))) || ((((1 == a11 && 1 == a25) && 8 == a17) && 1 == a19) && 10 == a28)) || !(8 == \old(a17))) || ((!(input == 0) && 9 == a28) && ((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) || ((((a28 == 10 && a19 == 0) && a11 == 0) && a17 == 8) && a25 == 1))) [2018-12-01 22:08:47,812 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5df204ee-5bf8-47e3-a6c3-2ead49f4c44d/bin-2019/utaipan/witness.graphml [2018-12-01 22:08:47,812 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:08:47,813 INFO L168 Benchmark]: Toolchain (without parser) took 19246.38 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 992.0 MB). Free memory was 947.0 MB in the beginning and 1.4 GB in the end (delta: -414.1 MB). Peak memory consumption was 577.9 MB. Max. memory is 11.5 GB. [2018-12-01 22:08:47,813 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:08:47,814 INFO L168 Benchmark]: CACSL2BoogieTranslator took 316.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. [2018-12-01 22:08:47,814 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.02 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 22:08:47,814 INFO L168 Benchmark]: Boogie Preprocessor took 36.05 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 22:08:47,814 INFO L168 Benchmark]: RCFGBuilder took 549.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 995.0 MB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. [2018-12-01 22:08:47,814 INFO L168 Benchmark]: TraceAbstraction took 18224.73 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 875.6 MB). Free memory was 995.0 MB in the beginning and 1.4 GB in the end (delta: -387.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-01 22:08:47,815 INFO L168 Benchmark]: Witness Printer took 98.16 ms. Allocated memory is still 2.0 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-12-01 22:08:47,816 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 316.06 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 116.4 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -155.1 MB). Peak memory consumption was 40.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.02 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.05 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 549.37 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 995.0 MB in the end (delta: 101.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18224.73 ms. Allocated memory was 1.1 GB in the beginning and 2.0 GB in the end (delta: 875.6 MB). Free memory was 995.0 MB in the beginning and 1.4 GB in the end (delta: -387.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 98.16 ms. Allocated memory is still 2.0 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 487]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((((((((!(1 == a21) || ((!(10 == a28) && a17 <= 7) && 1 <= a19)) || (1 == a25 && !(10 == a28) && ((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) || ((((a28 == 10 && a19 == 0) && a11 == 0) && a17 == 8) && a25 == 1)))) || !(7 == \old(a28))) || ((((((!(10 == a28) && a19 <= 0) && !(a25 == 1)) && a28 <= 10) && a11 == 0) && !(a28 == 0)) && a17 == 8)) || ((((a11 == 0 && a19 == 1) && a28 == \old(a28)) && a17 <= 8) && a25 == \old(a25))) || !(0 == \old(a11))) || (a17 <= 7 && 9 == a28)) || ((((a19 <= 0 && a28 <= 7) && !(1 == a25)) && 1 == a11) && a17 <= 8)) || ((((1 == a25 && 1 <= a19) && 1 == a11) && 9 == a28) && a17 <= 8)) || !(0 == \old(a25))) || ((\old(a19) == a19 && 1 == a11) && 9 == a28 && a17 <= 8)) || ((((a19 <= 0 && a28 <= 7) && a11 == 0) && !(a28 == 0)) && a17 == 8)) || (a28 <= 10 && (!(input == 0) && 10 <= a28) && ((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) || ((((a28 == 10 && a19 == 0) && a11 == 0) && a17 == 8) && a25 == 1)))) || (a17 <= 7 && !(a25 == 1) && !(a28 == 8))) || !(1 == \old(a19))) || ((((1 == a11 && 1 == a25) && 8 == a17) && 1 == a19) && 10 == a28)) || !(8 == \old(a17))) || ((!(input == 0) && 9 == a28) && ((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) || ((((a28 == 10 && a19 == 0) && a11 == 0) && a17 == 8) && a25 == 1))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 18.1s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 11.8s AutomataDifference, 0.0s DeadEndRemovalTime, 2.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 689 SDtfs, 9658 SDslu, 1042 SDs, 0 SdLazy, 14818 SolverSat, 2192 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.0s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2576 GetRequests, 2402 SyntacticMatches, 12 SemanticMatches, 162 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 926 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5216occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.4s AbstIntTime, 7 AbstIntIterations, 2 AbstIntStrong, 0.9973366396834819 AbsIntWeakeningRatio, 0.2126984126984127 AbsIntAvgWeakeningVarsNumRemoved, 25.892063492063492 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 1135 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 179 PreInvPairs, 237 NumberOfFragments, 1258 HoareAnnotationTreeSize, 179 FomulaSimplifications, 4138 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 7404 FormulaSimplificationTreeSizeReductionInter, 1.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 2726 NumberOfCodeBlocks, 2726 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3728 ConstructedInterpolants, 0 QuantifiedInterpolants, 1433796 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2738 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 20 InterpolantComputations, 3 PerfectInterpolantSequences, 2518/2796 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...