./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label12_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_0501bb11-0124-4195-bc09-50b0a9e24cb5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0501bb11-0124-4195-bc09-50b0a9e24cb5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0501bb11-0124-4195-bc09-50b0a9e24cb5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0501bb11-0124-4195-bc09-50b0a9e24cb5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label12_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0501bb11-0124-4195-bc09-50b0a9e24cb5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0501bb11-0124-4195-bc09-50b0a9e24cb5/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 e52247c97e0196dba144205e35fb286f9d95e245 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:01:52,111 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:01:52,112 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:01:52,122 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:01:52,122 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:01:52,123 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:01:52,124 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:01:52,125 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:01:52,127 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:01:52,128 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:01:52,129 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:01:52,129 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:01:52,129 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:01:52,130 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:01:52,132 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:01:52,132 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:01:52,133 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:01:52,134 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:01:52,135 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:01:52,137 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:01:52,137 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:01:52,138 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:01:52,141 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:01:52,141 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:01:52,141 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:01:52,142 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:01:52,143 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:01:52,144 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:01:52,144 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:01:52,145 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:01:52,145 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:01:52,145 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:01:52,145 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:01:52,146 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:01:52,146 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:01:52,147 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:01:52,147 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0501bb11-0124-4195-bc09-50b0a9e24cb5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:01:52,156 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:01:52,156 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:01:52,157 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:01:52,157 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:01:52,157 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:01:52,158 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:01:52,158 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:01:52,158 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:01:52,158 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:01:52,158 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:01:52,159 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:01:52,159 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:01:52,159 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:01:52,160 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:01:52,161 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:01:52,161 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:01:52,161 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:01:52,161 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:01:52,161 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:01:52,161 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:01:52,161 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:01:52,162 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:01:52,162 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:01:52,162 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:01:52,162 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:01:52,162 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:01:52,162 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:01:52,162 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:01:52,163 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:01:52,163 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:01:52,163 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:01:52,163 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:01:52,163 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:01:52,163 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:01:52,163 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:01:52,164 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:01:52,164 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:01:52,164 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_0501bb11-0124-4195-bc09-50b0a9e24cb5/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 -> e52247c97e0196dba144205e35fb286f9d95e245 [2018-11-18 17:01:52,192 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:01:52,205 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:01:52,211 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:01:52,213 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:01:52,213 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:01:52,214 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0501bb11-0124-4195-bc09-50b0a9e24cb5/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label12_true-unreach-call_false-termination.c [2018-11-18 17:01:52,267 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0501bb11-0124-4195-bc09-50b0a9e24cb5/bin-2019/utaipan/data/4af71504f/67c8bca8e0a8422286fc771af5795114/FLAG8eb13a0a1 [2018-11-18 17:01:52,736 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:01:52,736 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0501bb11-0124-4195-bc09-50b0a9e24cb5/sv-benchmarks/c/eca-rers2012/Problem02_label12_true-unreach-call_false-termination.c [2018-11-18 17:01:52,747 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0501bb11-0124-4195-bc09-50b0a9e24cb5/bin-2019/utaipan/data/4af71504f/67c8bca8e0a8422286fc771af5795114/FLAG8eb13a0a1 [2018-11-18 17:01:53,235 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0501bb11-0124-4195-bc09-50b0a9e24cb5/bin-2019/utaipan/data/4af71504f/67c8bca8e0a8422286fc771af5795114 [2018-11-18 17:01:53,238 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:01:53,239 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:01:53,239 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:01:53,240 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:01:53,243 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:01:53,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:01:53" (1/1) ... [2018-11-18 17:01:53,247 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c679ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:01:53, skipping insertion in model container [2018-11-18 17:01:53,247 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:01:53" (1/1) ... [2018-11-18 17:01:53,254 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:01:53,301 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:01:53,552 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:01:53,559 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:01:53,635 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:01:53,654 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:01:53,655 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:01:53 WrapperNode [2018-11-18 17:01:53,655 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:01:53,656 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:01:53,656 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:01:53,656 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:01:53,664 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:01:53" (1/1) ... [2018-11-18 17:01:53,741 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:01:53" (1/1) ... [2018-11-18 17:01:53,748 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:01:53,748 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:01:53,750 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:01:53,750 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:01:53,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:01:53" (1/1) ... [2018-11-18 17:01:53,763 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:01:53" (1/1) ... [2018-11-18 17:01:53,766 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:01:53" (1/1) ... [2018-11-18 17:01:53,778 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:01:53" (1/1) ... [2018-11-18 17:01:53,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:01:53" (1/1) ... [2018-11-18 17:01:53,830 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:01:53" (1/1) ... [2018-11-18 17:01:53,845 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:01:53" (1/1) ... [2018-11-18 17:01:53,852 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:01:53,858 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:01:53,859 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:01:53,859 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:01:53,860 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:01:53" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0501bb11-0124-4195-bc09-50b0a9e24cb5/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:01:53,912 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 17:01:53,912 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:01:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:01:53,913 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 17:01:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 17:01:53,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:01:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:01:53,913 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:01:53,913 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:01:55,822 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:01:55,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:01:55 BoogieIcfgContainer [2018-11-18 17:01:55,823 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:01:55,824 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:01:55,824 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:01:55,827 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:01:55,827 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:01:53" (1/3) ... [2018-11-18 17:01:55,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5acd7ae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:01:55, skipping insertion in model container [2018-11-18 17:01:55,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:01:53" (2/3) ... [2018-11-18 17:01:55,828 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5acd7ae8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:01:55, skipping insertion in model container [2018-11-18 17:01:55,828 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:01:55" (3/3) ... [2018-11-18 17:01:55,830 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label12_true-unreach-call_false-termination.c [2018-11-18 17:01:55,838 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:01:55,844 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:01:55,856 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:01:55,887 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:01:55,887 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:01:55,887 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:01:55,887 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:01:55,887 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:01:55,889 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:01:55,889 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:01:55,889 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:01:55,905 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 17:01:55,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 17:01:55,912 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:01:55,913 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:01:55,914 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:01:55,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:01:55,918 INFO L82 PathProgramCache]: Analyzing trace with hash -426831369, now seen corresponding path program 1 times [2018-11-18 17:01:55,919 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:01:55,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:01:55,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:01:55,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:01:55,953 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:01:56,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:01:56,381 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-18 17:01:56,426 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:01:56,428 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:01:56,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:01:56,429 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:01:56,436 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:01:56,444 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:01:56,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:01:56,447 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 17:01:57,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:01:57,140 INFO L93 Difference]: Finished difference Result 621 states and 1059 transitions. [2018-11-18 17:01:57,140 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:01:57,141 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 125 [2018-11-18 17:01:57,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:01:57,150 INFO L225 Difference]: With dead ends: 621 [2018-11-18 17:01:57,150 INFO L226 Difference]: Without dead ends: 382 [2018-11-18 17:01:57,154 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:01:57,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-11-18 17:01:57,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-11-18 17:01:57,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-11-18 17:01:57,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 608 transitions. [2018-11-18 17:01:57,193 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 608 transitions. Word has length 125 [2018-11-18 17:01:57,194 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:01:57,194 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 608 transitions. [2018-11-18 17:01:57,194 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:01:57,194 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 608 transitions. [2018-11-18 17:01:57,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 17:01:57,202 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:01:57,202 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:01:57,202 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:01:57,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:01:57,203 INFO L82 PathProgramCache]: Analyzing trace with hash 973432330, now seen corresponding path program 1 times [2018-11-18 17:01:57,203 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:01:57,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:01:57,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:01:57,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:01:57,204 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:01:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:01:57,603 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-11-18 17:01:57,741 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-11-18 17:01:57,786 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:01:57,787 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:01:57,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:01:57,787 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:01:57,789 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:01:57,789 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:01:57,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:01:57,789 INFO L87 Difference]: Start difference. First operand 382 states and 608 transitions. Second operand 5 states. [2018-11-18 17:01:58,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:01:58,943 INFO L93 Difference]: Finished difference Result 903 states and 1497 transitions. [2018-11-18 17:01:58,943 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:01:58,943 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-11-18 17:01:58,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:01:58,945 INFO L225 Difference]: With dead ends: 903 [2018-11-18 17:01:58,946 INFO L226 Difference]: Without dead ends: 381 [2018-11-18 17:01:58,949 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:01:58,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2018-11-18 17:01:58,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 381. [2018-11-18 17:01:58,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-11-18 17:01:58,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 602 transitions. [2018-11-18 17:01:58,964 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 602 transitions. Word has length 134 [2018-11-18 17:01:58,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:01:58,964 INFO L480 AbstractCegarLoop]: Abstraction has 381 states and 602 transitions. [2018-11-18 17:01:58,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:01:58,964 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 602 transitions. [2018-11-18 17:01:58,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-11-18 17:01:58,967 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:01:58,968 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:01:58,968 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:01:58,968 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:01:58,968 INFO L82 PathProgramCache]: Analyzing trace with hash 1888571286, now seen corresponding path program 1 times [2018-11-18 17:01:58,968 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:01:58,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:01:58,969 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:01:58,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:01:58,969 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:01:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:01:59,250 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:01:59,250 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:01:59,250 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:01:59,250 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:01:59,251 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:01:59,251 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:01:59,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:01:59,251 INFO L87 Difference]: Start difference. First operand 381 states and 602 transitions. Second operand 5 states. [2018-11-18 17:01:59,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:01:59,886 INFO L93 Difference]: Finished difference Result 901 states and 1482 transitions. [2018-11-18 17:01:59,891 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:01:59,891 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2018-11-18 17:01:59,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:01:59,893 INFO L225 Difference]: With dead ends: 901 [2018-11-18 17:01:59,893 INFO L226 Difference]: Without dead ends: 380 [2018-11-18 17:01:59,895 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:01:59,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 380 states. [2018-11-18 17:01:59,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 380 to 380. [2018-11-18 17:01:59,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2018-11-18 17:01:59,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 594 transitions. [2018-11-18 17:01:59,915 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 594 transitions. Word has length 140 [2018-11-18 17:01:59,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:01:59,915 INFO L480 AbstractCegarLoop]: Abstraction has 380 states and 594 transitions. [2018-11-18 17:01:59,916 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:01:59,916 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 594 transitions. [2018-11-18 17:01:59,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 17:01:59,918 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:01:59,918 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:01:59,918 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:01:59,918 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:01:59,918 INFO L82 PathProgramCache]: Analyzing trace with hash -570889491, now seen corresponding path program 1 times [2018-11-18 17:01:59,919 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:01:59,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:01:59,919 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:01:59,919 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:01:59,920 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:01:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:02:00,143 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-18 17:02:00,545 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:02:00,546 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:02:00,546 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:02:00,546 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:02:00,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:02:00,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:02:00,547 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:02:00,548 INFO L87 Difference]: Start difference. First operand 380 states and 594 transitions. Second operand 6 states. [2018-11-18 17:02:02,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:02:02,105 INFO L93 Difference]: Finished difference Result 1193 states and 1942 transitions. [2018-11-18 17:02:02,118 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:02:02,119 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2018-11-18 17:02:02,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:02:02,122 INFO L225 Difference]: With dead ends: 1193 [2018-11-18 17:02:02,122 INFO L226 Difference]: Without dead ends: 819 [2018-11-18 17:02:02,124 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:02:02,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 819 states. [2018-11-18 17:02:02,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 819 to 807. [2018-11-18 17:02:02,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 807 states. [2018-11-18 17:02:02,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 807 states and 1208 transitions. [2018-11-18 17:02:02,149 INFO L78 Accepts]: Start accepts. Automaton has 807 states and 1208 transitions. Word has length 148 [2018-11-18 17:02:02,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:02:02,149 INFO L480 AbstractCegarLoop]: Abstraction has 807 states and 1208 transitions. [2018-11-18 17:02:02,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:02:02,150 INFO L276 IsEmpty]: Start isEmpty. Operand 807 states and 1208 transitions. [2018-11-18 17:02:02,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 17:02:02,153 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:02:02,153 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:02:02,153 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:02:02,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:02:02,154 INFO L82 PathProgramCache]: Analyzing trace with hash -489152655, now seen corresponding path program 1 times [2018-11-18 17:02:02,154 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:02:02,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:02:02,155 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:02:02,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:02:02,156 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:02:02,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:02:02,365 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:02:02,365 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:02:02,365 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:02:02,366 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:02:02,366 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:02:02,366 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:02:02,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:02:02,366 INFO L87 Difference]: Start difference. First operand 807 states and 1208 transitions. Second operand 5 states. [2018-11-18 17:02:02,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:02:02,883 INFO L93 Difference]: Finished difference Result 1753 states and 2669 transitions. [2018-11-18 17:02:02,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:02:02,903 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 150 [2018-11-18 17:02:02,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:02:02,909 INFO L225 Difference]: With dead ends: 1753 [2018-11-18 17:02:02,909 INFO L226 Difference]: Without dead ends: 804 [2018-11-18 17:02:02,911 INFO L604 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 [2018-11-18 17:02:02,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2018-11-18 17:02:02,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 804. [2018-11-18 17:02:02,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 804 states. [2018-11-18 17:02:02,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 804 states and 1190 transitions. [2018-11-18 17:02:02,933 INFO L78 Accepts]: Start accepts. Automaton has 804 states and 1190 transitions. Word has length 150 [2018-11-18 17:02:02,933 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:02:02,933 INFO L480 AbstractCegarLoop]: Abstraction has 804 states and 1190 transitions. [2018-11-18 17:02:02,933 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:02:02,934 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 1190 transitions. [2018-11-18 17:02:02,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-18 17:02:02,936 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:02:02,936 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:02:02,936 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:02:02,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:02:02,937 INFO L82 PathProgramCache]: Analyzing trace with hash -603913227, now seen corresponding path program 1 times [2018-11-18 17:02:02,937 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:02:02,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:02:02,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:02:02,938 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:02:02,938 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:02:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:02:03,093 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:02:03,093 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:02:03,093 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 17:02:03,093 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:02:03,094 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 17:02:03,094 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 17:02:03,094 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 17:02:03,094 INFO L87 Difference]: Start difference. First operand 804 states and 1190 transitions. Second operand 5 states. [2018-11-18 17:02:03,897 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:02:03,897 INFO L93 Difference]: Finished difference Result 1747 states and 2630 transitions. [2018-11-18 17:02:03,898 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:02:03,898 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 152 [2018-11-18 17:02:03,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:02:03,901 INFO L225 Difference]: With dead ends: 1747 [2018-11-18 17:02:03,901 INFO L226 Difference]: Without dead ends: 801 [2018-11-18 17:02:03,905 INFO L604 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 [2018-11-18 17:02:03,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 801 states. [2018-11-18 17:02:03,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 801 to 801. [2018-11-18 17:02:03,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 801 states. [2018-11-18 17:02:03,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 801 states and 1169 transitions. [2018-11-18 17:02:03,926 INFO L78 Accepts]: Start accepts. Automaton has 801 states and 1169 transitions. Word has length 152 [2018-11-18 17:02:03,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:02:03,927 INFO L480 AbstractCegarLoop]: Abstraction has 801 states and 1169 transitions. [2018-11-18 17:02:03,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 17:02:03,928 INFO L276 IsEmpty]: Start isEmpty. Operand 801 states and 1169 transitions. [2018-11-18 17:02:03,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 17:02:03,930 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:02:03,931 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:02:03,932 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:02:03,932 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:02:03,932 INFO L82 PathProgramCache]: Analyzing trace with hash 931126525, now seen corresponding path program 1 times [2018-11-18 17:02:03,932 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:02:03,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:02:03,933 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:02:03,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:02:03,933 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:02:03,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:02:04,187 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-18 17:02:04,216 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:02:04,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:02:04,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 17:02:04,216 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:02:04,216 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 17:02:04,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 17:02:04,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 17:02:04,217 INFO L87 Difference]: Start difference. First operand 801 states and 1169 transitions. Second operand 6 states. [2018-11-18 17:02:04,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:02:04,766 INFO L93 Difference]: Finished difference Result 2381 states and 3621 transitions. [2018-11-18 17:02:04,766 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:02:04,766 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2018-11-18 17:02:04,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:02:04,772 INFO L225 Difference]: With dead ends: 2381 [2018-11-18 17:02:04,772 INFO L226 Difference]: Without dead ends: 1586 [2018-11-18 17:02:04,775 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:02:04,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1586 states. [2018-11-18 17:02:04,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1586 to 1558. [2018-11-18 17:02:04,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1558 states. [2018-11-18 17:02:04,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1558 states and 2225 transitions. [2018-11-18 17:02:04,810 INFO L78 Accepts]: Start accepts. Automaton has 1558 states and 2225 transitions. Word has length 156 [2018-11-18 17:02:04,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:02:04,811 INFO L480 AbstractCegarLoop]: Abstraction has 1558 states and 2225 transitions. [2018-11-18 17:02:04,811 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 17:02:04,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 2225 transitions. [2018-11-18 17:02:04,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 17:02:04,815 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:02:04,816 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:02:04,816 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:02:04,816 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:02:04,816 INFO L82 PathProgramCache]: Analyzing trace with hash -1732925114, now seen corresponding path program 1 times [2018-11-18 17:02:04,816 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:02:04,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:02:04,817 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:02:04,817 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:02:04,817 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:02:04,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:02:04,968 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 21 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:02:04,969 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:02:04,969 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:02:04,969 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-11-18 17:02:04,971 INFO L202 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], [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], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [671], [673], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:02:05,002 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:02:05,003 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:02:05,990 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:02:05,991 INFO L272 AbstractInterpreter]: Visited 130 different actions 384 times. Merged at 7 different actions 18 times. Never widened. Performed 4540 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4540 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 17:02:06,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:02:06,040 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:02:06,040 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:02:06,040 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0501bb11-0124-4195-bc09-50b0a9e24cb5/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:02:06,050 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:02:06,050 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:02:06,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:02:06,128 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:02:06,449 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 17:02:06,449 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:02:06,641 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 17:02:06,657 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:02:06,658 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 10 [2018-11-18 17:02:06,658 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:02:06,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:02:06,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:02:06,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:02:06,659 INFO L87 Difference]: Start difference. First operand 1558 states and 2225 transitions. Second operand 3 states. [2018-11-18 17:02:08,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:02:08,179 INFO L93 Difference]: Finished difference Result 3798 states and 5500 transitions. [2018-11-18 17:02:08,180 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:02:08,180 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 162 [2018-11-18 17:02:08,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:02:08,186 INFO L225 Difference]: With dead ends: 3798 [2018-11-18 17:02:08,186 INFO L226 Difference]: Without dead ends: 2246 [2018-11-18 17:02:08,192 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 335 GetRequests, 325 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:02:08,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2246 states. [2018-11-18 17:02:08,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2246 to 2246. [2018-11-18 17:02:08,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2246 states. [2018-11-18 17:02:08,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 2246 states and 3096 transitions. [2018-11-18 17:02:08,236 INFO L78 Accepts]: Start accepts. Automaton has 2246 states and 3096 transitions. Word has length 162 [2018-11-18 17:02:08,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:02:08,237 INFO L480 AbstractCegarLoop]: Abstraction has 2246 states and 3096 transitions. [2018-11-18 17:02:08,237 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:02:08,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 3096 transitions. [2018-11-18 17:02:08,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 17:02:08,243 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:02:08,243 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:02:08,243 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:02:08,244 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:02:08,244 INFO L82 PathProgramCache]: Analyzing trace with hash 30439215, now seen corresponding path program 1 times [2018-11-18 17:02:08,244 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:02:08,244 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:02:08,245 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:02:08,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:02:08,245 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:02:08,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:02:08,641 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 89 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:02:08,642 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:02:08,642 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:02:08,642 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2018-11-18 17:02:08,642 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [671], [673], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:02:08,646 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:02:08,646 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:02:08,927 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:02:08,927 INFO L272 AbstractInterpreter]: Visited 129 different actions 252 times. Merged at 5 different actions 5 times. Never widened. Performed 2820 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2820 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-18 17:02:08,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:02:08,971 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:02:09,379 INFO L227 lantSequenceWeakener]: Weakened 188 states. On average, predicates are now at 82.65% of their original sizes. [2018-11-18 17:02:09,380 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:02:09,649 INFO L415 sIntCurrentIteration]: We unified 190 AI predicates to 190 [2018-11-18 17:02:09,649 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:02:09,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:02:09,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 17:02:09,650 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:02:09,650 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:02:09,651 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:02:09,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:02:09,651 INFO L87 Difference]: Start difference. First operand 2246 states and 3096 transitions. Second operand 10 states. [2018-11-18 17:02:16,503 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:02:16,503 INFO L93 Difference]: Finished difference Result 5450 states and 7498 transitions. [2018-11-18 17:02:16,503 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 17:02:16,503 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 191 [2018-11-18 17:02:16,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:02:16,511 INFO L225 Difference]: With dead ends: 5450 [2018-11-18 17:02:16,511 INFO L226 Difference]: Without dead ends: 3210 [2018-11-18 17:02:16,516 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 200 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 17:02:16,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3210 states. [2018-11-18 17:02:16,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3210 to 3139. [2018-11-18 17:02:16,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3139 states. [2018-11-18 17:02:16,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3139 states to 3139 states and 4108 transitions. [2018-11-18 17:02:16,584 INFO L78 Accepts]: Start accepts. Automaton has 3139 states and 4108 transitions. Word has length 191 [2018-11-18 17:02:16,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:02:16,584 INFO L480 AbstractCegarLoop]: Abstraction has 3139 states and 4108 transitions. [2018-11-18 17:02:16,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:02:16,584 INFO L276 IsEmpty]: Start isEmpty. Operand 3139 states and 4108 transitions. [2018-11-18 17:02:16,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 17:02:16,592 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:02:16,592 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:02:16,593 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:02:16,593 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:02:16,593 INFO L82 PathProgramCache]: Analyzing trace with hash -85689423, now seen corresponding path program 1 times [2018-11-18 17:02:16,593 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:02:16,593 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:02:16,594 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:02:16,594 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:02:16,594 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:02:16,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:02:16,794 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 22 proven. 65 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 17:02:16,794 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:02:16,794 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:02:16,795 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 210 with the following transitions: [2018-11-18 17:02:16,795 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [312], [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], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [671], [673], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:02:16,798 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:02:16,798 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:02:17,118 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:02:17,118 INFO L272 AbstractInterpreter]: Visited 129 different actions 383 times. Merged at 7 different actions 18 times. Never widened. Performed 4375 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4375 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 17:02:17,123 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:02:17,123 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:02:17,335 INFO L227 lantSequenceWeakener]: Weakened 206 states. On average, predicates are now at 84.68% of their original sizes. [2018-11-18 17:02:17,335 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:02:17,377 INFO L415 sIntCurrentIteration]: We unified 208 AI predicates to 208 [2018-11-18 17:02:17,377 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:02:17,378 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:02:17,378 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 11 [2018-11-18 17:02:17,378 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:02:17,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:02:17,378 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:02:17,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:02:17,379 INFO L87 Difference]: Start difference. First operand 3139 states and 4108 transitions. Second operand 9 states. [2018-11-18 17:02:20,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:02:20,299 INFO L93 Difference]: Finished difference Result 8279 states and 11122 transitions. [2018-11-18 17:02:20,299 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 17:02:20,299 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 209 [2018-11-18 17:02:20,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:02:20,308 INFO L225 Difference]: With dead ends: 8279 [2018-11-18 17:02:20,309 INFO L226 Difference]: Without dead ends: 5146 [2018-11-18 17:02:20,316 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 216 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-18 17:02:20,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5146 states. [2018-11-18 17:02:20,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5146 to 5087. [2018-11-18 17:02:20,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5087 states. [2018-11-18 17:02:20,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5087 states to 5087 states and 6405 transitions. [2018-11-18 17:02:20,401 INFO L78 Accepts]: Start accepts. Automaton has 5087 states and 6405 transitions. Word has length 209 [2018-11-18 17:02:20,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:02:20,402 INFO L480 AbstractCegarLoop]: Abstraction has 5087 states and 6405 transitions. [2018-11-18 17:02:20,402 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:02:20,402 INFO L276 IsEmpty]: Start isEmpty. Operand 5087 states and 6405 transitions. [2018-11-18 17:02:20,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 17:02:20,412 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:02:20,412 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 17:02:20,413 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:02:20,413 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:02:20,413 INFO L82 PathProgramCache]: Analyzing trace with hash -863981217, now seen corresponding path program 1 times [2018-11-18 17:02:20,413 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:02:20,413 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:02:20,414 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:02:20,414 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:02:20,414 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:02:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:02:20,639 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 17:02:20,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:02:20,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:02:20,646 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:02:20,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:02:20,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:02:20,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:02:20,647 INFO L87 Difference]: Start difference. First operand 5087 states and 6405 transitions. Second operand 3 states. [2018-11-18 17:02:21,718 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:02:21,718 INFO L93 Difference]: Finished difference Result 10175 states and 12859 transitions. [2018-11-18 17:02:21,719 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:02:21,719 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 233 [2018-11-18 17:02:21,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:02:21,731 INFO L225 Difference]: With dead ends: 10175 [2018-11-18 17:02:21,731 INFO L226 Difference]: Without dead ends: 5094 [2018-11-18 17:02:21,740 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:02:21,744 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5094 states. [2018-11-18 17:02:21,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5094 to 4894. [2018-11-18 17:02:21,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4894 states. [2018-11-18 17:02:21,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4894 states to 4894 states and 5926 transitions. [2018-11-18 17:02:21,817 INFO L78 Accepts]: Start accepts. Automaton has 4894 states and 5926 transitions. Word has length 233 [2018-11-18 17:02:21,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:02:21,817 INFO L480 AbstractCegarLoop]: Abstraction has 4894 states and 5926 transitions. [2018-11-18 17:02:21,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:02:21,817 INFO L276 IsEmpty]: Start isEmpty. Operand 4894 states and 5926 transitions. [2018-11-18 17:02:21,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 300 [2018-11-18 17:02:21,830 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:02:21,831 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:02:21,831 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:02:21,831 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:02:21,831 INFO L82 PathProgramCache]: Analyzing trace with hash 1255293909, now seen corresponding path program 1 times [2018-11-18 17:02:21,831 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:02:21,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:02:21,832 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:02:21,832 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:02:21,832 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:02:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:02:22,055 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 227 proven. 40 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 17:02:22,055 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:02:22,055 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:02:22,056 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 300 with the following transitions: [2018-11-18 17:02:22,056 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [260], [263], [267], [268], [272], [283], [287], [298], [309], [313], [317], [321], [324], [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], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [671], [673], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:02:22,059 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:02:22,059 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:02:22,225 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:02:22,225 INFO L272 AbstractInterpreter]: Visited 133 different actions 390 times. Merged at 8 different actions 19 times. Never widened. Performed 4577 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4577 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-18 17:02:22,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:02:22,235 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:02:22,235 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:02:22,235 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0501bb11-0124-4195-bc09-50b0a9e24cb5/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:02:22,242 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:02:22,242 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:02:22,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:02:22,330 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:02:22,506 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 263 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 17:02:22,506 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:02:22,694 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 263 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 17:02:22,719 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:02:22,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-18 17:02:22,719 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:02:22,720 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 17:02:22,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 17:02:22,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2018-11-18 17:02:22,720 INFO L87 Difference]: Start difference. First operand 4894 states and 5926 transitions. Second operand 11 states. [2018-11-18 17:02:25,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:02:25,666 INFO L93 Difference]: Finished difference Result 14312 states and 18587 transitions. [2018-11-18 17:02:25,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-11-18 17:02:25,667 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 299 [2018-11-18 17:02:25,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:02:25,668 INFO L225 Difference]: With dead ends: 14312 [2018-11-18 17:02:25,668 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:02:25,753 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 653 GetRequests, 611 SyntacticMatches, 4 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=357, Invalid=1203, Unknown=0, NotChecked=0, Total=1560 [2018-11-18 17:02:25,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:02:25,754 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:02:25,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:02:25,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:02:25,754 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 299 [2018-11-18 17:02:25,759 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:02:25,759 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:02:25,759 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 17:02:25,759 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:02:25,759 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:02:25,764 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:02:25,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:25,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:25,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:25,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:25,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:25,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:25,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:25,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:25,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:25,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:25,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:25,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:25,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:25,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:25,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:25,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:25,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:25,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:25,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:25,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,007 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 84 [2018-11-18 17:02:26,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,027 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,070 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,132 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,171 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:02:26,181 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 112 [2018-11-18 17:02:26,519 WARN L180 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 17 [2018-11-18 17:02:26,668 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 34 [2018-11-18 17:02:27,775 WARN L180 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 213 DAG size of output: 90 [2018-11-18 17:02:28,561 WARN L180 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 63 [2018-11-18 17:02:28,836 WARN L180 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 56 [2018-11-18 17:02:28,838 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:02:28,838 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= |old(~a25~0)| ~a25~0)) [2018-11-18 17:02:28,838 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:02:28,838 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,838 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,839 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,839 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,839 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,839 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 17:02:28,839 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 17:02:28,839 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 17:02:28,839 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 17:02:28,839 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 17:02:28,839 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 17:02:28,839 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 17:02:28,839 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 17:02:28,839 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 17:02:28,839 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 17:02:28,839 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 17:02:28,839 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 17:02:28,840 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 17:02:28,840 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,840 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,840 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,840 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,840 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 17:02:28,840 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,840 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 17:02:28,840 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 17:02:28,840 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 17:02:28,840 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 17:02:28,840 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 17:02:28,840 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 17:02:28,840 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 17:02:28,840 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 17:02:28,841 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 17:02:28,841 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 17:02:28,841 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 17:02:28,841 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 17:02:28,841 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 17:02:28,841 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 17:02:28,841 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 17:02:28,841 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,841 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,841 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,841 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,841 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,841 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 17:02:28,841 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 17:02:28,841 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 17:02:28,842 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 17:02:28,842 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 17:02:28,842 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 17:02:28,842 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 17:02:28,842 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 17:02:28,842 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 17:02:28,842 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 17:02:28,842 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 17:02:28,842 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,842 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,842 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,842 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,851 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,851 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 17:02:28,851 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 17:02:28,851 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 17:02:28,851 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 17:02:28,851 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 17:02:28,851 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 17:02:28,851 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 17:02:28,851 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 17:02:28,851 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 17:02:28,851 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 17:02:28,851 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 17:02:28,851 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 17:02:28,851 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 17:02:28,852 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 526) no Hoare annotation was computed. [2018-11-18 17:02:28,852 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,852 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,852 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,852 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,852 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,852 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 17:02:28,852 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 17:02:28,852 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 17:02:28,852 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 17:02:28,852 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 17:02:28,852 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 17:02:28,852 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 17:02:28,852 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 17:02:28,852 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 17:02:28,853 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 17:02:28,853 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 17:02:28,853 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 17:02:28,853 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 17:02:28,853 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 17:02:28,853 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 17:02:28,853 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 17:02:28,853 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,853 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,853 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,853 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,853 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 17:02:28,853 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,853 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 17:02:28,853 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,853 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 17:02:28,854 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 17:02:28,854 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 17:02:28,854 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,854 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,854 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 17:02:28,854 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 17:02:28,854 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 17:02:28,854 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 17:02:28,854 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 17:02:28,854 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 17:02:28,854 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 17:02:28,854 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 17:02:28,854 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 17:02:28,854 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 17:02:28,854 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 17:02:28,854 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,855 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,855 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,855 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,855 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,855 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,855 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 17:02:28,855 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 17:02:28,855 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 17:02:28,855 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 17:02:28,855 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 17:02:28,855 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 17:02:28,855 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 17:02:28,855 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 17:02:28,855 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 17:02:28,856 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 17:02:28,856 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 17:02:28,856 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,856 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,856 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,856 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,856 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,856 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,856 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 17:02:28,856 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 17:02:28,856 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 17:02:28,856 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 17:02:28,856 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 17:02:28,856 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 17:02:28,856 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 17:02:28,857 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 17:02:28,857 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 17:02:28,857 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 17:02:28,857 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 17:02:28,857 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 17:02:28,857 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 17:02:28,857 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 17:02:28,857 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,857 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,857 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,858 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse11 (= 1 |old(~a11~0)|)) (.cse13 (= 1 |old(~a19~0)|)) (.cse19 (= 1 |old(~a25~0)|)) (.cse12 (not (= ~a11~0 1))) (.cse23 (<= ~a17~0 |old(~a17~0)|)) (.cse9 (= |old(~a28~0)| ~a28~0)) (.cse24 (= |old(~a19~0)| ~a19~0)) (.cse10 (= |old(~a25~0)| ~a25~0))) (let ((.cse2 (= 0 |old(~a28~0)|)) (.cse4 (= |calculate_output_#in~input| 0)) (.cse7 (< 0 |old(~a19~0)|)) (.cse3 (not (= 8 |old(~a17~0)|))) (.cse16 (= 8 ~a17~0)) (.cse17 (= 1 ~a19~0)) (.cse6 (and .cse23 .cse9 .cse24 .cse10)) (.cse21 (and .cse23 .cse9 .cse24 .cse10 .cse12)) (.cse20 (= 9 |old(~a28~0)|)) (.cse22 (< |old(~a28~0)| 10)) (.cse8 (< 7 |old(~a17~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse14 (not (= 7 |old(~a28~0)|))) (.cse5 (not .cse19)) (.cse1 (not .cse13)) (.cse18 (not .cse11)) (.cse15 (= 1 ~a11~0))) (and (or .cse0 (= ~a11~0 0) .cse1 .cse2 (not (= 0 |old(~a11~0)|)) .cse3 .cse4) (or .cse0 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse4 (and .cse9 (= ~a17~0 8) .cse10 (= ~a19~0 1))) (or .cse0 .cse11 .cse1 .cse2 .cse3 .cse12 .cse4) (or .cse13 .cse0 .cse14 .cse3 (and (= 7 ~a28~0) (not (= ~a25~0 1)) .cse15 .cse16 (not .cse17)) .cse18 .cse19) (or .cse0 .cse11 .cse12 .cse5 .cse20) (or .cse0 .cse11 .cse21 .cse7 .cse8) (or .cse0 .cse6 .cse5 .cse20 (< |old(~a19~0)| 1)) (or (and .cse15 .cse16) .cse0 (not (= 10 |old(~a28~0)|)) .cse5 .cse1 .cse3 .cse18) (or .cse0 .cse5 .cse1 .cse3 (and .cse15 (= 1 ~a25~0) (= 9 ~a28~0) .cse16 .cse17) (not .cse20) .cse18) (or .cse6 .cse0 .cse22 .cse8) (or .cse13 .cse0 .cse11 .cse21 .cse8 .cse19) (or .cse13 .cse0 .cse11 .cse21 .cse20) (or .cse0 .cse11 .cse22 .cse8 .cse12) (or .cse0 .cse14 .cse5 .cse1 .cse18 (and .cse15 (= 7 ~a17~0)) (not (= 7 |old(~a17~0)|)))))) [2018-11-18 17:02:28,858 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,858 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,858 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,858 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 17:02:28,858 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 17:02:28,858 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 17:02:28,858 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 17:02:28,858 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 17:02:28,858 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 17:02:28,858 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 17:02:28,858 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 17:02:28,859 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 17:02:28,859 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 17:02:28,859 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 17:02:28,859 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 17:02:28,859 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 17:02:28,859 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,859 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,859 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,859 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,859 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,859 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,859 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 17:02:28,859 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 17:02:28,859 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 17:02:28,859 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 17:02:28,859 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 17:02:28,860 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 17:02:28,860 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 17:02:28,860 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 17:02:28,860 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 17:02:28,860 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 17:02:28,860 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 17:02:28,860 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 17:02:28,860 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 17:02:28,860 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 17:02:28,860 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 17:02:28,860 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 17:02:28,860 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,860 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,860 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,861 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,861 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:02:28,861 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 17:02:28,861 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 17:02:28,861 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 17:02:28,861 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 17:02:28,861 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 17:02:28,861 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 17:02:28,861 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 17:02:28,861 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 17:02:28,861 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 17:02:28,861 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 17:02:28,861 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 17:02:28,861 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 17:02:28,861 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 17:02:28,862 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 17:02:28,862 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 17:02:28,862 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 17:02:28,862 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 17:02:28,862 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 17:02:28,862 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 17:02:28,862 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:02:28,862 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-18 17:02:28,862 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:02:28,862 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:02:28,862 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7)) (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-18 17:02:28,862 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 17:02:28,863 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse7 (= ~a19~0 1))) (let ((.cse0 (<= ~a17~0 7)) (.cse4 (= 1 ~a25~0)) (.cse2 (not (= ~a25~0 1))) (.cse5 (<= ~a17~0 |old(~a17~0)|)) (.cse1 (not .cse7)) (.cse3 (not (= ~a11~0 1))) (.cse6 (not (= ~a28~0 9)))) (or (and .cse0 (<= 10 ~a28~0)) (not (= 1 ~a21~0)) (and .cse1 .cse0 .cse2 .cse3) (not (= 0 |old(~a11~0)|)) (and .cse0 (<= ~a19~0 0) .cse4) (not (= 1 |old(~a19~0)|)) (and .cse5 .cse4 .cse6 (<= 1 ~a19~0)) (not (= 8 |old(~a17~0)|)) (not (= 7 |old(~a28~0)|)) (and (= 7 ~a28~0) .cse2 (= 8 ~a17~0)) (and .cse5 .cse1 .cse3 .cse6) (not (= 0 |old(~a25~0)|)) (and (not (= ~a28~0 0)) (= ~a17~0 8) .cse7)))) [2018-11-18 17:02:28,863 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 17:02:28,863 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 17:02:28,863 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (= ~a19~0 1))) (let ((.cse2 (not (= ~a25~0 1))) (.cse1 (not .cse4)) (.cse3 (not (= ~a11~0 1))) (.cse5 (= 8 ~a17~0)) (.cse6 (= 1 ~a19~0)) (.cse0 (<= ~a17~0 7)) (.cse7 (<= ~a17~0 |old(~a17~0)|)) (.cse9 (= 1 ~a25~0)) (.cse8 (not (= ~a28~0 9)))) (or (and .cse0 (<= 10 ~a28~0)) (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse1 .cse0 .cse2 .cse3) (not (= 0 |old(~a11~0)|)) (and (not (= main_~input~0 0)) (not (= ~a28~0 0)) (= ~a17~0 8) .cse4) (and (= 7 ~a28~0) .cse2 .cse5 (not .cse6)) (and .cse7 .cse1 .cse3 .cse8) (and (= 1 ~a11~0) .cse9 .cse5 .cse6) (not (= 0 |old(~a25~0)|)) (and .cse0 (<= ~a19~0 0) .cse9) (not (= 1 |old(~a19~0)|)) (and .cse7 .cse9 .cse8 (<= 1 ~a19~0)) (not (= 8 |old(~a17~0)|))))) [2018-11-18 17:02:28,863 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 17:02:28,863 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 17:02:28,880 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:02:28 BoogieIcfgContainer [2018-11-18 17:02:28,880 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:02:28,880 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:02:28,880 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:02:28,881 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:02:28,881 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:01:55" (3/4) ... [2018-11-18 17:02:28,888 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:02:28,892 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:02:28,892 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 17:02:28,893 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:02:28,906 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:02:28,907 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:02:28,935 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((a17 <= 7 && 10 <= a28) || !(1 == a21)) || (((!(a19 == 1) && a17 <= 7) && !(a25 == 1)) && !(a11 == 1))) || !(0 == \old(a11))) || ((a17 <= 7 && a19 <= 0) && 1 == a25)) || !(1 == \old(a19))) || (((a17 <= \old(a17) && 1 == a25) && !(a28 == 9)) && 1 <= a19)) || !(8 == \old(a17))) || !(7 == \old(a28))) || ((7 == a28 && !(a25 == 1)) && 8 == a17)) || (((a17 <= \old(a17) && !(a19 == 1)) && !(a11 == 1)) && !(a28 == 9))) || !(0 == \old(a25))) || ((!(a28 == 0) && a17 == 8) && a19 == 1) [2018-11-18 17:02:29,032 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0501bb11-0124-4195-bc09-50b0a9e24cb5/bin-2019/utaipan/witness.graphml [2018-11-18 17:02:29,032 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:02:29,033 INFO L168 Benchmark]: Toolchain (without parser) took 35794.89 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 949.5 MB). Free memory was 957.6 MB in the beginning and 1.2 GB in the end (delta: -233.3 MB). Peak memory consumption was 716.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:02:29,033 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:02:29,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 415.88 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 928.1 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:02:29,034 INFO L168 Benchmark]: Boogie Procedure Inliner took 92.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 928.1 MB in the beginning and 1.1 GB in the end (delta: -197.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:02:29,034 INFO L168 Benchmark]: Boogie Preprocessor took 109.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:02:29,034 INFO L168 Benchmark]: RCFGBuilder took 1965.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 95.8 MB). Peak memory consumption was 95.8 MB. Max. memory is 11.5 GB. [2018-11-18 17:02:29,037 INFO L168 Benchmark]: TraceAbstraction took 33056.27 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 817.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -188.1 MB). Peak memory consumption was 629.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:02:29,037 INFO L168 Benchmark]: Witness Printer took 151.86 ms. Allocated memory is still 2.0 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:02:29,039 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 415.88 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 928.1 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 92.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 928.1 MB in the beginning and 1.1 GB in the end (delta: -197.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 109.11 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1965.48 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 95.8 MB). Peak memory consumption was 95.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 33056.27 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 817.4 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -188.1 MB). Peak memory consumption was 629.3 MB. Max. memory is 11.5 GB. * Witness Printer took 151.86 ms. Allocated memory is still 2.0 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 21.1 MB). Peak memory consumption was 21.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 526]: 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: ((((((((((((a17 <= 7 && 10 <= a28) || !(1 == a21)) || (((!(a19 == 1) && a17 <= 7) && !(a25 == 1)) && !(a11 == 1))) || !(0 == \old(a11))) || ((a17 <= 7 && a19 <= 0) && 1 == a25)) || !(1 == \old(a19))) || (((a17 <= \old(a17) && 1 == a25) && !(a28 == 9)) && 1 <= a19)) || !(8 == \old(a17))) || !(7 == \old(a28))) || ((7 == a28 && !(a25 == 1)) && 8 == a17)) || (((a17 <= \old(a17) && !(a19 == 1)) && !(a11 == 1)) && !(a28 == 9))) || !(0 == \old(a25))) || ((!(a28 == 0) && a17 == 8) && a19 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 32.9s OverallTime, 12 OverallIterations, 4 TraceHistogramMax, 21.4s AutomataDifference, 0.0s DeadEndRemovalTime, 3.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2080 SDtfs, 8512 SDslu, 2111 SDs, 0 SdLazy, 13239 SolverSat, 2360 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.2s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1463 GetRequests, 1344 SyntacticMatches, 12 SemanticMatches, 107 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 436 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5087occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.9s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9976514500852871 AbsIntWeakeningRatio, 0.1658291457286432 AbsIntAvgWeakeningVarsNumRemoved, 25.891959798994975 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 12 MinimizatonAttempts, 370 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 230 PreInvPairs, 454 NumberOfFragments, 769 HoareAnnotationTreeSize, 230 FomulaSimplifications, 11221 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 5409 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 3.9s InterpolantComputationTime, 2560 NumberOfCodeBlocks, 2560 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3005 ConstructedInterpolants, 0 QuantifiedInterpolants, 2281047 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1018 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 16 InterpolantComputations, 10 PerfectInterpolantSequences, 1323/1458 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...