./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label55_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d8b9e9c5-9922-4822-80a3-05c4c4579ed8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d8b9e9c5-9922-4822-80a3-05c4c4579ed8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d8b9e9c5-9922-4822-80a3-05c4c4579ed8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d8b9e9c5-9922-4822-80a3-05c4c4579ed8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label55_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d8b9e9c5-9922-4822-80a3-05c4c4579ed8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d8b9e9c5-9922-4822-80a3-05c4c4579ed8/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7581b03dc5e38c896dc44d57a6d1677c5f9e4cd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 16:15:30,119 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 16:15:30,120 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 16:15:30,126 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 16:15:30,127 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 16:15:30,127 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 16:15:30,128 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 16:15:30,129 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 16:15:30,130 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 16:15:30,131 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 16:15:30,131 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 16:15:30,131 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 16:15:30,132 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 16:15:30,133 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 16:15:30,133 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 16:15:30,134 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 16:15:30,135 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 16:15:30,136 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 16:15:30,137 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 16:15:30,138 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 16:15:30,139 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 16:15:30,140 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 16:15:30,141 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 16:15:30,141 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 16:15:30,141 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 16:15:30,142 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 16:15:30,143 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 16:15:30,144 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 16:15:30,144 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 16:15:30,145 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 16:15:30,145 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 16:15:30,145 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 16:15:30,146 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 16:15:30,146 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 16:15:30,146 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 16:15:30,147 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 16:15:30,148 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d8b9e9c5-9922-4822-80a3-05c4c4579ed8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 16:15:30,157 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 16:15:30,157 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 16:15:30,157 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 16:15:30,157 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 16:15:30,157 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 16:15:30,158 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 16:15:30,158 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 16:15:30,158 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 16:15:30,158 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 16:15:30,158 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 16:15:30,158 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 16:15:30,158 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 16:15:30,158 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 16:15:30,159 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 16:15:30,159 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 16:15:30,160 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 16:15:30,160 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 16:15:30,160 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 16:15:30,160 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 16:15:30,160 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 16:15:30,160 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 16:15:30,160 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 16:15:30,160 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 16:15:30,161 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 16:15:30,161 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 16:15:30,161 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 16:15:30,161 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 16:15:30,161 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 16:15:30,161 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 16:15:30,161 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 16:15:30,161 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 16:15:30,161 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 16:15:30,161 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 16:15:30,161 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 16:15:30,161 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 16:15:30,162 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 16:15:30,162 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 16:15:30,162 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_d8b9e9c5-9922-4822-80a3-05c4c4579ed8/bin-2019/utaipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7581b03dc5e38c896dc44d57a6d1677c5f9e4cd [2018-11-23 16:15:30,189 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 16:15:30,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 16:15:30,198 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 16:15:30,199 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 16:15:30,199 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 16:15:30,200 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d8b9e9c5-9922-4822-80a3-05c4c4579ed8/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label55_true-unreach-call_false-termination.c [2018-11-23 16:15:30,234 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d8b9e9c5-9922-4822-80a3-05c4c4579ed8/bin-2019/utaipan/data/453dff963/34e8b5022b1d4689baf093b569cb3b16/FLAG2f380173a [2018-11-23 16:15:30,678 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 16:15:30,679 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d8b9e9c5-9922-4822-80a3-05c4c4579ed8/sv-benchmarks/c/eca-rers2012/Problem02_label55_true-unreach-call_false-termination.c [2018-11-23 16:15:30,687 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d8b9e9c5-9922-4822-80a3-05c4c4579ed8/bin-2019/utaipan/data/453dff963/34e8b5022b1d4689baf093b569cb3b16/FLAG2f380173a [2018-11-23 16:15:30,699 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d8b9e9c5-9922-4822-80a3-05c4c4579ed8/bin-2019/utaipan/data/453dff963/34e8b5022b1d4689baf093b569cb3b16 [2018-11-23 16:15:30,702 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 16:15:30,703 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 16:15:30,704 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 16:15:30,704 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 16:15:30,707 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 16:15:30,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:15:30" (1/1) ... [2018-11-23 16:15:30,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fa87ac7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:30, skipping insertion in model container [2018-11-23 16:15:30,710 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 04:15:30" (1/1) ... [2018-11-23 16:15:30,716 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 16:15:30,749 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 16:15:30,989 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:15:30,992 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 16:15:31,056 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 16:15:31,069 INFO L195 MainTranslator]: Completed translation [2018-11-23 16:15:31,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:31 WrapperNode [2018-11-23 16:15:31,069 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 16:15:31,070 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 16:15:31,070 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 16:15:31,070 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 16:15:31,134 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:31" (1/1) ... [2018-11-23 16:15:31,145 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:31" (1/1) ... [2018-11-23 16:15:31,152 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 16:15:31,152 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 16:15:31,152 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 16:15:31,152 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 16:15:31,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:31" (1/1) ... [2018-11-23 16:15:31,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:31" (1/1) ... [2018-11-23 16:15:31,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:31" (1/1) ... [2018-11-23 16:15:31,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:31" (1/1) ... [2018-11-23 16:15:31,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:31" (1/1) ... [2018-11-23 16:15:31,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:31" (1/1) ... [2018-11-23 16:15:31,198 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:31" (1/1) ... [2018-11-23 16:15:31,202 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 16:15:31,202 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 16:15:31,202 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 16:15:31,203 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 16:15:31,204 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d8b9e9c5-9922-4822-80a3-05c4c4579ed8/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 16:15:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 16:15:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 16:15:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 16:15:31,248 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 16:15:31,248 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 16:15:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 16:15:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 16:15:31,249 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 16:15:31,249 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 16:15:31,985 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 16:15:31,985 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 16:15:31,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:15:31 BoogieIcfgContainer [2018-11-23 16:15:31,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 16:15:31,986 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 16:15:31,986 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 16:15:31,989 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 16:15:31,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 04:15:30" (1/3) ... [2018-11-23 16:15:31,990 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ed7f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:15:31, skipping insertion in model container [2018-11-23 16:15:31,990 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 04:15:31" (2/3) ... [2018-11-23 16:15:31,991 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40ed7f56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 04:15:31, skipping insertion in model container [2018-11-23 16:15:31,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:15:31" (3/3) ... [2018-11-23 16:15:31,992 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label55_true-unreach-call_false-termination.c [2018-11-23 16:15:32,000 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 16:15:32,005 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 16:15:32,017 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 16:15:32,040 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 16:15:32,040 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 16:15:32,040 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 16:15:32,040 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 16:15:32,040 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 16:15:32,040 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 16:15:32,040 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 16:15:32,040 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 16:15:32,058 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 16:15:32,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-23 16:15:32,066 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:15:32,066 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:15:32,068 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:15:32,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:15:32,072 INFO L82 PathProgramCache]: Analyzing trace with hash 1666327721, now seen corresponding path program 1 times [2018-11-23 16:15:32,074 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:15:32,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:15:32,104 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:15:32,104 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:15:32,104 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:15:32,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:15:32,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:15:32,359 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:15:32,359 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 16:15:32,359 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:15:32,363 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 16:15:32,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 16:15:32,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 16:15:32,373 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-23 16:15:32,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:15:32,893 INFO L93 Difference]: Finished difference Result 624 states and 1069 transitions. [2018-11-23 16:15:32,894 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 16:15:32,894 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 111 [2018-11-23 16:15:32,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:15:32,906 INFO L225 Difference]: With dead ends: 624 [2018-11-23 16:15:32,906 INFO L226 Difference]: Without dead ends: 386 [2018-11-23 16:15:32,910 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 16:15:32,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2018-11-23 16:15:32,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 381. [2018-11-23 16:15:32,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-11-23 16:15:32,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 617 transitions. [2018-11-23 16:15:32,960 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 617 transitions. Word has length 111 [2018-11-23 16:15:32,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:15:32,961 INFO L480 AbstractCegarLoop]: Abstraction has 381 states and 617 transitions. [2018-11-23 16:15:32,961 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 16:15:32,961 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 617 transitions. [2018-11-23 16:15:32,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-23 16:15:32,964 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:15:32,965 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:15:32,965 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:15:32,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:15:32,965 INFO L82 PathProgramCache]: Analyzing trace with hash 2094723630, now seen corresponding path program 1 times [2018-11-23 16:15:32,965 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:15:32,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:15:32,966 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:15:32,966 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:15:32,966 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:15:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:15:33,075 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:15:33,076 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:15:33,076 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 16:15:33,076 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:15:33,077 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 16:15:33,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 16:15:33,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 16:15:33,078 INFO L87 Difference]: Start difference. First operand 381 states and 617 transitions. Second operand 4 states. [2018-11-23 16:15:33,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:15:33,801 INFO L93 Difference]: Finished difference Result 1339 states and 2306 transitions. [2018-11-23 16:15:33,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 16:15:33,802 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2018-11-23 16:15:33,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:15:33,807 INFO L225 Difference]: With dead ends: 1339 [2018-11-23 16:15:33,807 INFO L226 Difference]: Without dead ends: 964 [2018-11-23 16:15:33,809 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 16:15:33,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 964 states. [2018-11-23 16:15:33,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 964 to 960. [2018-11-23 16:15:33,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 960 states. [2018-11-23 16:15:33,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 960 states and 1484 transitions. [2018-11-23 16:15:33,840 INFO L78 Accepts]: Start accepts. Automaton has 960 states and 1484 transitions. Word has length 119 [2018-11-23 16:15:33,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:15:33,840 INFO L480 AbstractCegarLoop]: Abstraction has 960 states and 1484 transitions. [2018-11-23 16:15:33,840 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 16:15:33,840 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1484 transitions. [2018-11-23 16:15:33,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-23 16:15:33,845 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:15:33,846 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:15:33,846 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:15:33,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:15:33,846 INFO L82 PathProgramCache]: Analyzing trace with hash -30959147, now seen corresponding path program 1 times [2018-11-23 16:15:33,846 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:15:33,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:15:33,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:15:33,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:15:33,848 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:15:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:15:34,033 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:15:34,033 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 16:15:34,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 16:15:34,033 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:15:34,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 16:15:34,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 16:15:34,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 16:15:34,034 INFO L87 Difference]: Start difference. First operand 960 states and 1484 transitions. Second operand 5 states. [2018-11-23 16:15:34,543 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:15:34,543 INFO L93 Difference]: Finished difference Result 2058 states and 3258 transitions. [2018-11-23 16:15:34,544 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 16:15:34,544 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 135 [2018-11-23 16:15:34,544 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:15:34,548 INFO L225 Difference]: With dead ends: 2058 [2018-11-23 16:15:34,548 INFO L226 Difference]: Without dead ends: 959 [2018-11-23 16:15:34,551 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 16:15:34,552 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2018-11-23 16:15:34,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 959. [2018-11-23 16:15:34,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 959 states. [2018-11-23 16:15:34,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 959 states and 1466 transitions. [2018-11-23 16:15:34,585 INFO L78 Accepts]: Start accepts. Automaton has 959 states and 1466 transitions. Word has length 135 [2018-11-23 16:15:34,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:15:34,586 INFO L480 AbstractCegarLoop]: Abstraction has 959 states and 1466 transitions. [2018-11-23 16:15:34,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 16:15:34,586 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1466 transitions. [2018-11-23 16:15:34,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-11-23 16:15:34,590 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:15:34,590 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:15:34,591 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:15:34,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:15:34,591 INFO L82 PathProgramCache]: Analyzing trace with hash -906165834, now seen corresponding path program 1 times [2018-11-23 16:15:34,591 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:15:34,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:15:34,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:15:34,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:15:34,592 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:15:34,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:15:34,690 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 40 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 16:15:34,690 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:15:34,691 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 16:15:34,692 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-11-23 16:15:34,694 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 16:15:34,728 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 16:15:34,728 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 16:15:35,019 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 16:15:35,020 INFO L272 AbstractInterpreter]: Visited 112 different actions 112 times. Never merged. Never widened. Performed 1239 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1239 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-23 16:15:35,035 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:15:35,036 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 16:15:35,292 INFO L227 lantSequenceWeakener]: Weakened 148 states. On average, predicates are now at 80.82% of their original sizes. [2018-11-23 16:15:35,292 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 16:15:35,346 INFO L415 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2018-11-23 16:15:35,346 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 16:15:35,346 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 16:15:35,347 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-23 16:15:35,347 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:15:35,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 16:15:35,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 16:15:35,347 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-23 16:15:35,348 INFO L87 Difference]: Start difference. First operand 959 states and 1466 transitions. Second operand 7 states. [2018-11-23 16:15:38,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:15:38,500 INFO L93 Difference]: Finished difference Result 2060 states and 3165 transitions. [2018-11-23 16:15:38,500 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 16:15:38,501 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 157 [2018-11-23 16:15:38,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:15:38,505 INFO L225 Difference]: With dead ends: 2060 [2018-11-23 16:15:38,505 INFO L226 Difference]: Without dead ends: 1107 [2018-11-23 16:15:38,508 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 157 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-23 16:15:38,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1107 states. [2018-11-23 16:15:38,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1107 to 1105. [2018-11-23 16:15:38,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1105 states. [2018-11-23 16:15:38,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1626 transitions. [2018-11-23 16:15:38,533 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1626 transitions. Word has length 157 [2018-11-23 16:15:38,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:15:38,533 INFO L480 AbstractCegarLoop]: Abstraction has 1105 states and 1626 transitions. [2018-11-23 16:15:38,533 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 16:15:38,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1626 transitions. [2018-11-23 16:15:38,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 16:15:38,536 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:15:38,537 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:15:38,537 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:15:38,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:15:38,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1631553380, now seen corresponding path program 1 times [2018-11-23 16:15:38,537 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:15:38,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:15:38,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:15:38,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:15:38,538 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:15:38,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:15:38,669 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 44 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 16:15:38,669 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:15:38,669 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 16:15:38,670 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-11-23 16:15:38,670 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], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 16:15:38,673 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 16:15:38,673 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 16:15:39,068 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 16:15:39,069 INFO L272 AbstractInterpreter]: Visited 115 different actions 337 times. Merged at 6 different actions 12 times. Never widened. Performed 3937 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3937 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 16:15:39,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:15:39,079 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 16:15:39,323 INFO L227 lantSequenceWeakener]: Weakened 157 states. On average, predicates are now at 84.29% of their original sizes. [2018-11-23 16:15:39,323 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 16:15:39,405 INFO L415 sIntCurrentIteration]: We unified 159 AI predicates to 159 [2018-11-23 16:15:39,405 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 16:15:39,406 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 16:15:39,406 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2018-11-23 16:15:39,406 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 16:15:39,406 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 16:15:39,407 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 16:15:39,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 16:15:39,408 INFO L87 Difference]: Start difference. First operand 1105 states and 1626 transitions. Second operand 10 states. [2018-11-23 16:15:43,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:15:43,518 INFO L93 Difference]: Finished difference Result 3678 states and 5622 transitions. [2018-11-23 16:15:43,518 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 16:15:43,518 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 160 [2018-11-23 16:15:43,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:15:43,527 INFO L225 Difference]: With dead ends: 3678 [2018-11-23 16:15:43,527 INFO L226 Difference]: Without dead ends: 2579 [2018-11-23 16:15:43,532 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 170 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-23 16:15:43,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2579 states. [2018-11-23 16:15:43,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2579 to 2569. [2018-11-23 16:15:43,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2569 states. [2018-11-23 16:15:43,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2569 states to 2569 states and 3459 transitions. [2018-11-23 16:15:43,586 INFO L78 Accepts]: Start accepts. Automaton has 2569 states and 3459 transitions. Word has length 160 [2018-11-23 16:15:43,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:15:43,586 INFO L480 AbstractCegarLoop]: Abstraction has 2569 states and 3459 transitions. [2018-11-23 16:15:43,587 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 16:15:43,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 3459 transitions. [2018-11-23 16:15:43,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-23 16:15:43,593 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:15:43,593 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:15:43,594 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:15:43,594 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:15:43,594 INFO L82 PathProgramCache]: Analyzing trace with hash 2023957546, now seen corresponding path program 1 times [2018-11-23 16:15:43,594 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:15:43,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:15:43,595 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:15:43,595 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:15:43,595 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:15:43,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:15:43,722 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 60 proven. 25 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-23 16:15:43,723 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:15:43,723 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 16:15:43,724 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-11-23 16:15:43,724 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [13], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 16:15:43,728 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 16:15:43,728 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 16:15:44,035 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 16:15:44,036 INFO L272 AbstractInterpreter]: Visited 118 different actions 467 times. Merged at 7 different actions 28 times. Widened at 1 different actions 1 times. Performed 5477 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5477 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 16:15:44,039 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:15:44,040 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 16:15:44,040 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:15:44,040 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d8b9e9c5-9922-4822-80a3-05c4c4579ed8/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 16:15:44,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:15:44,046 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 16:15:44,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:15:44,112 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:15:44,194 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 62 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-23 16:15:44,194 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 16:15:44,310 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 77 proven. 10 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-11-23 16:15:44,336 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 16:15:44,336 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-11-23 16:15:44,336 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 16:15:44,337 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 16:15:44,337 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 16:15:44,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-11-23 16:15:44,338 INFO L87 Difference]: Start difference. First operand 2569 states and 3459 transitions. Second operand 11 states. [2018-11-23 16:15:46,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:15:46,081 INFO L93 Difference]: Finished difference Result 6119 states and 8928 transitions. [2018-11-23 16:15:46,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 16:15:46,081 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 174 [2018-11-23 16:15:46,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:15:46,091 INFO L225 Difference]: With dead ends: 6119 [2018-11-23 16:15:46,091 INFO L226 Difference]: Without dead ends: 3556 [2018-11-23 16:15:46,097 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 391 GetRequests, 360 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 198 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=277, Invalid=715, Unknown=0, NotChecked=0, Total=992 [2018-11-23 16:15:46,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3556 states. [2018-11-23 16:15:46,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3556 to 3469. [2018-11-23 16:15:46,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3469 states. [2018-11-23 16:15:46,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3469 states to 3469 states and 4460 transitions. [2018-11-23 16:15:46,153 INFO L78 Accepts]: Start accepts. Automaton has 3469 states and 4460 transitions. Word has length 174 [2018-11-23 16:15:46,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:15:46,153 INFO L480 AbstractCegarLoop]: Abstraction has 3469 states and 4460 transitions. [2018-11-23 16:15:46,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 16:15:46,153 INFO L276 IsEmpty]: Start isEmpty. Operand 3469 states and 4460 transitions. [2018-11-23 16:15:46,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 16:15:46,158 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:15:46,158 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:15:46,159 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:15:46,159 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:15:46,159 INFO L82 PathProgramCache]: Analyzing trace with hash 696055040, now seen corresponding path program 1 times [2018-11-23 16:15:46,159 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:15:46,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:15:46,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:15:46,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:15:46,160 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:15:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:15:46,262 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 89 proven. 17 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-23 16:15:46,262 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:15:46,262 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 16:15:46,263 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 188 with the following transitions: [2018-11-23 16:15:46,263 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], [151], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 16:15:46,266 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 16:15:46,267 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 16:15:46,418 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 16:15:46,419 INFO L272 AbstractInterpreter]: Visited 117 different actions 348 times. Merged at 7 different actions 19 times. Never widened. Performed 4178 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4178 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 16:15:46,427 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:15:46,427 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 16:15:46,427 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:15:46,427 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d8b9e9c5-9922-4822-80a3-05c4c4579ed8/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 16:15:46,435 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:15:46,435 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 16:15:46,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:15:46,482 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:15:46,542 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 16:15:46,543 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 16:15:46,608 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 16:15:46,624 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 16:15:46,624 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-23 16:15:46,624 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 16:15:46,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 16:15:46,625 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 16:15:46,625 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=122, Unknown=0, NotChecked=0, Total=156 [2018-11-23 16:15:46,625 INFO L87 Difference]: Start difference. First operand 3469 states and 4460 transitions. Second operand 11 states. [2018-11-23 16:15:49,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:15:49,157 INFO L93 Difference]: Finished difference Result 13083 states and 17727 transitions. [2018-11-23 16:15:49,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-23 16:15:49,158 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 187 [2018-11-23 16:15:49,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:15:49,174 INFO L225 Difference]: With dead ends: 13083 [2018-11-23 16:15:49,174 INFO L226 Difference]: Without dead ends: 6782 [2018-11-23 16:15:49,190 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 417 GetRequests, 384 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 173 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=222, Invalid=708, Unknown=0, NotChecked=0, Total=930 [2018-11-23 16:15:49,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6782 states. [2018-11-23 16:15:49,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6782 to 6344. [2018-11-23 16:15:49,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6344 states. [2018-11-23 16:15:49,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6344 states to 6344 states and 7216 transitions. [2018-11-23 16:15:49,301 INFO L78 Accepts]: Start accepts. Automaton has 6344 states and 7216 transitions. Word has length 187 [2018-11-23 16:15:49,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:15:49,301 INFO L480 AbstractCegarLoop]: Abstraction has 6344 states and 7216 transitions. [2018-11-23 16:15:49,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 16:15:49,302 INFO L276 IsEmpty]: Start isEmpty. Operand 6344 states and 7216 transitions. [2018-11-23 16:15:49,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-11-23 16:15:49,313 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:15:49,313 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:15:49,313 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:15:49,314 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:15:49,314 INFO L82 PathProgramCache]: Analyzing trace with hash 14683724, now seen corresponding path program 1 times [2018-11-23 16:15:49,314 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:15:49,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:15:49,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:15:49,315 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:15:49,315 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:15:49,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:15:49,397 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 108 proven. 54 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 16:15:49,398 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:15:49,398 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 16:15:49,398 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 217 with the following transitions: [2018-11-23 16:15:49,398 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [115], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 16:15:49,402 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 16:15:49,402 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 16:15:49,646 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 16:15:49,647 INFO L272 AbstractInterpreter]: Visited 118 different actions 467 times. Merged at 8 different actions 28 times. Never widened. Performed 5496 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5496 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 16:15:49,648 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:15:49,648 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 16:15:49,648 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:15:49,648 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d8b9e9c5-9922-4822-80a3-05c4c4579ed8/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 16:15:49,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:15:49,656 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 16:15:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:15:49,716 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:15:49,755 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 110 proven. 2 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-11-23 16:15:49,755 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 16:15:49,803 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 108 proven. 54 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-23 16:15:49,819 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 16:15:49,819 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 16:15:49,819 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 16:15:49,819 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 16:15:49,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 16:15:49,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-23 16:15:49,820 INFO L87 Difference]: Start difference. First operand 6344 states and 7216 transitions. Second operand 9 states. [2018-11-23 16:15:50,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:15:50,317 INFO L93 Difference]: Finished difference Result 13112 states and 15151 transitions. [2018-11-23 16:15:50,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 16:15:50,317 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 216 [2018-11-23 16:15:50,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:15:50,334 INFO L225 Difference]: With dead ends: 13112 [2018-11-23 16:15:50,334 INFO L226 Difference]: Without dead ends: 6918 [2018-11-23 16:15:50,345 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 445 GetRequests, 431 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-11-23 16:15:50,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6918 states. [2018-11-23 16:15:50,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6918 to 6910. [2018-11-23 16:15:50,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6910 states. [2018-11-23 16:15:50,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6910 states to 6910 states and 7906 transitions. [2018-11-23 16:15:50,503 INFO L78 Accepts]: Start accepts. Automaton has 6910 states and 7906 transitions. Word has length 216 [2018-11-23 16:15:50,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:15:50,503 INFO L480 AbstractCegarLoop]: Abstraction has 6910 states and 7906 transitions. [2018-11-23 16:15:50,503 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 16:15:50,504 INFO L276 IsEmpty]: Start isEmpty. Operand 6910 states and 7906 transitions. [2018-11-23 16:15:50,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-11-23 16:15:50,513 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:15:50,513 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:15:50,513 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:15:50,514 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:15:50,514 INFO L82 PathProgramCache]: Analyzing trace with hash 917846228, now seen corresponding path program 1 times [2018-11-23 16:15:50,514 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:15:50,514 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:15:50,514 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:15:50,515 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:15:50,515 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:15:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:15:50,592 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 116 proven. 54 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-23 16:15:50,592 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:15:50,592 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 16:15:50,593 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 221 with the following transitions: [2018-11-23 16:15:50,593 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], [99], [100], [104], [108], [112], [115], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 16:15:50,595 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 16:15:50,595 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 16:15:50,840 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 16:15:50,840 INFO L272 AbstractInterpreter]: Visited 118 different actions 353 times. Merged at 8 different actions 21 times. Never widened. Performed 4158 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4158 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 16:15:50,841 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:15:50,841 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 16:15:50,842 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:15:50,842 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d8b9e9c5-9922-4822-80a3-05c4c4579ed8/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 16:15:50,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:15:50,854 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 16:15:50,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:15:50,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:15:50,962 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 16:15:50,962 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 16:15:51,090 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 174 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-23 16:15:51,114 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 16:15:51,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 16:15:51,114 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 16:15:51,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 16:15:51,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 16:15:51,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-23 16:15:51,115 INFO L87 Difference]: Start difference. First operand 6910 states and 7906 transitions. Second operand 9 states. [2018-11-23 16:15:52,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:15:52,566 INFO L93 Difference]: Finished difference Result 14374 states and 16603 transitions. [2018-11-23 16:15:52,567 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-11-23 16:15:52,567 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 220 [2018-11-23 16:15:52,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:15:52,584 INFO L225 Difference]: With dead ends: 14374 [2018-11-23 16:15:52,584 INFO L226 Difference]: Without dead ends: 7159 [2018-11-23 16:15:52,597 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 499 GetRequests, 459 SyntacticMatches, 2 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 381 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=338, Invalid=1222, Unknown=0, NotChecked=0, Total=1560 [2018-11-23 16:15:52,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7159 states. [2018-11-23 16:15:52,686 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7159 to 6624. [2018-11-23 16:15:52,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6624 states. [2018-11-23 16:15:52,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6624 states to 6624 states and 7181 transitions. [2018-11-23 16:15:52,695 INFO L78 Accepts]: Start accepts. Automaton has 6624 states and 7181 transitions. Word has length 220 [2018-11-23 16:15:52,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:15:52,696 INFO L480 AbstractCegarLoop]: Abstraction has 6624 states and 7181 transitions. [2018-11-23 16:15:52,696 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 16:15:52,696 INFO L276 IsEmpty]: Start isEmpty. Operand 6624 states and 7181 transitions. [2018-11-23 16:15:52,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-11-23 16:15:52,703 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 16:15:52,703 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 16:15:52,703 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 16:15:52,703 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:15:52,703 INFO L82 PathProgramCache]: Analyzing trace with hash -170246894, now seen corresponding path program 1 times [2018-11-23 16:15:52,703 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 16:15:52,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:15:52,704 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:15:52,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 16:15:52,704 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 16:15:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:15:52,817 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 137 proven. 30 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-11-23 16:15:52,817 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:15:52,817 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 16:15:52,817 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 226 with the following transitions: [2018-11-23 16:15:52,818 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [25], [26], [30], [34], [37], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [151], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [567], [569], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 16:15:52,821 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 16:15:52,822 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 16:15:53,132 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 16:15:53,132 INFO L272 AbstractInterpreter]: Visited 119 different actions 476 times. Merged at 8 different actions 33 times. Never widened. Performed 5696 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5696 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 13 fixpoints after 4 different actions. Largest state had 38 variables. [2018-11-23 16:15:53,133 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 16:15:53,133 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 16:15:53,133 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 16:15:53,134 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d8b9e9c5-9922-4822-80a3-05c4c4579ed8/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 16:15:53,139 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 16:15:53,140 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 16:15:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 16:15:53,189 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 16:15:53,238 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-23 16:15:53,238 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 16:15:53,305 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2018-11-23 16:15:53,323 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 16:15:53,323 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 16:15:53,323 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 16:15:53,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 16:15:53,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 16:15:53,323 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-11-23 16:15:53,324 INFO L87 Difference]: Start difference. First operand 6624 states and 7181 transitions. Second operand 9 states. [2018-11-23 16:15:54,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 16:15:54,242 INFO L93 Difference]: Finished difference Result 8450 states and 9139 transitions. [2018-11-23 16:15:54,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 16:15:54,242 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 225 [2018-11-23 16:15:54,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 16:15:54,243 INFO L225 Difference]: With dead ends: 8450 [2018-11-23 16:15:54,243 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 16:15:54,251 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 457 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=155, Invalid=445, Unknown=0, NotChecked=0, Total=600 [2018-11-23 16:15:54,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 16:15:54,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 16:15:54,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 16:15:54,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 16:15:54,251 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 225 [2018-11-23 16:15:54,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 16:15:54,252 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 16:15:54,252 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 16:15:54,252 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 16:15:54,252 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 16:15:54,256 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 16:15:54,455 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:15:54,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:15:54,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:15:54,500 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:15:54,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:15:54,520 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:15:54,534 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 138 [2018-11-23 16:15:54,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:15:54,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:15:54,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 16:15:55,807 WARN L180 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 218 DAG size of output: 106 [2018-11-23 16:15:56,434 WARN L180 SmtUtils]: Spent 613.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 83 [2018-11-23 16:15:56,925 WARN L180 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 82 [2018-11-23 16:15:56,927 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 16:15:56,927 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-23 16:15:56,927 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 16:15:56,927 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,927 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,927 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,927 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,927 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,927 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 16:15:56,927 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 16:15:56,927 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,928 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 16:15:56,929 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,929 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 16:15:56,929 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 16:15:56,929 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 16:15:56,929 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 16:15:56,929 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 16:15:56,929 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 16:15:56,929 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 16:15:56,929 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 16:15:56,929 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 16:15:56,929 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 16:15:56,929 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 16:15:56,929 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 16:15:56,929 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 487) no Hoare annotation was computed. [2018-11-23 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 16:15:56,930 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 16:15:56,931 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 16:15:56,932 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 16:15:56,932 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 16:15:56,932 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 16:15:56,932 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 16:15:56,932 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 16:15:56,932 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 16:15:56,932 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 16:15:56,932 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 16:15:56,932 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 16:15:56,932 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 16:15:56,932 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,932 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,932 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,932 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 16:15:56,933 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 16:15:56,934 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 16:15:56,934 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 16:15:56,934 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,934 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,934 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,934 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,934 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 16:15:56,934 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,934 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 16:15:56,934 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,934 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 16:15:56,934 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 16:15:56,934 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 16:15:56,935 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,935 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,935 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 16:15:56,935 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 16:15:56,935 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 16:15:56,935 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 16:15:56,935 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 16:15:56,935 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 16:15:56,935 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 16:15:56,935 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 16:15:56,935 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 16:15:56,935 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 16:15:56,935 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 16:15:56,935 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,936 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,936 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,936 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,936 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,936 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,936 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 16:15:56,936 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 16:15:56,936 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 16:15:56,936 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 16:15:56,936 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 16:15:56,936 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 16:15:56,936 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 16:15:56,936 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 16:15:56,936 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 16:15:56,937 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 16:15:56,937 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 16:15:56,937 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,937 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,937 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,937 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,937 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,937 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,937 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 16:15:56,937 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 16:15:56,937 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 16:15:56,937 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 16:15:56,937 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 16:15:56,937 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 16:15:56,937 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 16:15:56,938 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 16:15:56,938 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 16:15:56,938 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 16:15:56,938 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 16:15:56,938 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 16:15:56,938 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 16:15:56,938 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 16:15:56,938 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,938 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,938 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,939 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse10 (= 1 |old(~a25~0)|)) (.cse18 (= 10 |old(~a28~0)|))) (let ((.cse21 (= |old(~a17~0)| ~a17~0)) (.cse33 (= 1 ~a11~0)) (.cse32 (not .cse18)) (.cse2 (not .cse10)) (.cse0 (not (= 1 ~a21~0))) (.cse27 (not (= 1 |old(~a19~0)|))) (.cse17 (= 0 |old(~a28~0)|)) (.cse15 (not (= 0 |old(~a11~0)|))) (.cse29 (= ~a19~0 1)) (.cse31 (= ~a11~0 |old(~a11~0)|)) (.cse22 (= |old(~a19~0)| ~a19~0)) (.cse28 (= ~a11~0 0)) (.cse30 (= ~a17~0 8)) (.cse23 (= ~a28~0 |old(~a28~0)|)) (.cse24 (= ~a25~0 |old(~a25~0)|))) (let ((.cse19 (and .cse22 .cse28 .cse30 .cse23 .cse24)) (.cse7 (< |old(~a19~0)| 1)) (.cse12 (and .cse29 .cse24 .cse31 (= |old(~a28~0)| ~a28~0) .cse30)) (.cse16 (< 10 |old(~a28~0)|)) (.cse13 (and (or .cse0 .cse32 .cse2 .cse15 (not (= 0 |old(~a19~0)|))) (or .cse0 .cse27 .cse17 .cse15))) (.cse8 (< 7 |old(~a28~0)|)) (.cse9 (< 0 |old(~a19~0)|)) (.cse11 (= |calculate_output_#in~input| 0)) (.cse20 (not (= |old(~a19~0)| 1))) (.cse1 (< |old(~a17~0)| 8)) (.cse3 (and .cse21 .cse22 .cse33 .cse23 .cse24)) (.cse4 (< 8 |old(~a17~0)|)) (.cse5 (not (= 9 |old(~a28~0)|))) (.cse25 (and .cse22 .cse21 (= |old(~a25~0)| ~a25~0) .cse23)) (.cse26 (< 7 |old(~a17~0)|)) (.cse14 (not (= 8 |old(~a17~0)|))) (.cse6 (not (= 1 |old(~a11~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (or .cse0 .cse8 .cse1 .cse9 .cse4 .cse6 .cse3 .cse10) (or .cse11 .cse12 .cse13 .cse14 .cse5) (or .cse0 .cse15 .cse11 .cse10 .cse16 .cse17 .cse18 .cse14 .cse9 .cse19) (or .cse0 .cse8 .cse20 .cse2 (and .cse21 .cse22 .cse23 .cse24) .cse4) (or .cse2 .cse11 .cse19 .cse13 .cse14) (or .cse0 .cse18 .cse25 .cse7 .cse26) (or .cse0 (not (= 7 |old(~a28~0)|)) .cse15 .cse11 .cse27 .cse14 .cse12 (not (= 0 |old(~a25~0)|))) (or .cse16 (or .cse13 .cse14 .cse11 .cse10) (< |old(~a28~0)| 10) (and (and .cse28 .cse29 .cse30 .cse23) .cse24)) (or .cse0 .cse25 .cse5 .cse26) (or (and (and .cse22 .cse30 .cse23 .cse24) .cse31) (or .cse0 .cse8 .cse17 .cse15 .cse14 .cse9 .cse11)) (or .cse0 .cse20 .cse1 .cse3 .cse4 .cse5 .cse6) (or .cse0 .cse25 (= 8 |old(~a28~0)|) .cse26 .cse10) (or .cse0 .cse32 .cse2 .cse27 (and .cse33 (= 1 ~a25~0) (= 8 ~a17~0) (= 1 ~a19~0) (= 10 ~a28~0)) .cse14 .cse6))))) [2018-11-23 16:15:56,939 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,939 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,939 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,939 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 16:15:56,939 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 16:15:56,939 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 16:15:56,939 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 16:15:56,939 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 16:15:56,939 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 16:15:56,939 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 16:15:56,939 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 16:15:56,939 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 16:15:56,940 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 16:15:56,940 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 16:15:56,940 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 16:15:56,940 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 16:15:56,940 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,940 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,940 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,940 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,940 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,940 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,940 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 16:15:56,940 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 16:15:56,940 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 16:15:56,940 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 16:15:56,941 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 16:15:56,941 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 16:15:56,941 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 16:15:56,941 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 16:15:56,941 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 16:15:56,941 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 16:15:56,941 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 16:15:56,941 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 16:15:56,941 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 16:15:56,941 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 16:15:56,941 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 16:15:56,941 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 16:15:56,941 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,941 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,942 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,942 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,942 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 16:15:56,942 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 16:15:56,942 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 16:15:56,942 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 16:15:56,942 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 16:15:56,942 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 16:15:56,942 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 16:15:56,942 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 16:15:56,942 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 16:15:56,942 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 16:15:56,942 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 16:15:56,943 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 16:15:56,943 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 16:15:56,943 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 16:15:56,943 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 16:15:56,943 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 16:15:56,943 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 16:15:56,943 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 16:15:56,943 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 16:15:56,943 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 16:15:56,943 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 16:15:56,943 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-23 16:15:56,943 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 16:15:56,943 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 16:15:56,944 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-23 16:15:56,944 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse5 (not (= ~a28~0 0))) (.cse7 (= ~a19~0 1)) (.cse4 (= ~a11~0 0)) (.cse6 (= ~a17~0 8)) (.cse19 (= ~a25~0 1)) (.cse15 (= 10 ~a28~0))) (let ((.cse9 (<= ~a17~0 7)) (.cse0 (not .cse15)) (.cse14 (= 1 ~a25~0)) (.cse16 (<= 1 ~a19~0)) (.cse3 (<= ~a28~0 10)) (.cse11 (not (= main_~input~0 0))) (.cse12 (or (and .cse4 .cse5 .cse6 .cse7) (and (= ~a28~0 10) (= ~a19~0 0) .cse4 .cse6 .cse19))) (.cse1 (<= ~a19~0 0)) (.cse18 (<= ~a28~0 7)) (.cse2 (not .cse19)) (.cse17 (= |old(~a19~0)| ~a19~0)) (.cse13 (= 1 ~a11~0)) (.cse10 (= 9 ~a28~0)) (.cse8 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse4 .cse7 (= ~a28~0 |old(~a28~0)|) .cse8 (= ~a25~0 |old(~a25~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse9 .cse10) (and .cse11 .cse10 .cse12) (and .cse9 (and .cse2 (not (= ~a28~0 8)))) (not (= 1 |old(~a19~0)|)) (and .cse13 .cse14 (= 8 ~a17~0) (= 1 ~a19~0) .cse15) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse9 .cse16) (and .cse14 (and .cse0 .cse12)) (not (= 7 |old(~a28~0)|)) (and .cse17 .cse18 .cse14 .cse8) (and .cse14 .cse16 .cse13 .cse10 .cse8) (not (= 0 |old(~a25~0)|)) (and .cse1 .cse18 .cse4 .cse5 .cse6) (and .cse3 (and .cse11 (<= 10 ~a28~0) .cse12)) (and .cse1 .cse18 .cse13 (and .cse2 .cse8)) (and .cse17 .cse13 (and .cse10 .cse8))))) [2018-11-23 16:15:56,944 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 16:15:56,944 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 16:15:56,944 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= ~a19~0 1)) (.cse19 (= ~a25~0 1)) (.cse14 (= 10 ~a28~0))) (let ((.cse6 (not (= ~a28~0 0))) (.cse9 (not .cse14)) (.cse7 (<= ~a17~0 7)) (.cse13 (= 1 ~a25~0)) (.cse15 (<= 1 ~a19~0)) (.cse2 (= ~a17~0 8)) (.cse11 (<= ~a28~0 10)) (.cse3 (<= ~a19~0 0)) (.cse4 (<= ~a28~0 7)) (.cse10 (not .cse19)) (.cse17 (= |old(~a19~0)| ~a19~0)) (.cse12 (= 1 ~a11~0)) (.cse1 (not (= main_~input~0 0))) (.cse16 (or (and (= ~a28~0 10) (= ~a19~0 0) .cse19) .cse0)) (.cse5 (= ~a11~0 0)) (.cse8 (= 9 ~a28~0)) (.cse18 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (and .cse0 (= ~a25~0 |old(~a25~0)|) .cse1 (= ~a11~0 |old(~a11~0)|) (= |old(~a28~0)| ~a28~0) .cse2) (and .cse1 .cse3 .cse4 .cse5 .cse6 .cse2) (not (= 0 |old(~a11~0)|)) (and .cse7 .cse8) (and .cse9 .cse1 .cse3 .cse10 .cse11 .cse5 .cse6 .cse2) (and .cse7 (and .cse10 (not (= ~a28~0 8)))) (not (= 1 |old(~a19~0)|)) (and .cse12 .cse13 (= 8 ~a17~0) (= 1 ~a19~0) .cse14) (not (= 8 |old(~a17~0)|)) (and .cse9 .cse7 .cse15) (not (= 7 |old(~a28~0)|)) (and .cse1 .cse16 .cse13 .cse5 .cse2) (and .cse17 .cse4 .cse13 .cse18) (and .cse13 .cse15 .cse12 .cse8 .cse18) (and (and .cse1 .cse16 (<= 10 ~a28~0) .cse5 .cse2) .cse11) (not (= 0 |old(~a25~0)|)) (and .cse3 .cse4 .cse12 (and .cse10 .cse18)) (and .cse17 .cse12 (and .cse8 .cse18)) (and .cse1 .cse16 .cse5 .cse8 .cse18)))) [2018-11-23 16:15:56,944 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 16:15:56,944 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 16:15:56,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 04:15:56 BoogieIcfgContainer [2018-11-23 16:15:56,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 16:15:56,964 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 16:15:56,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 16:15:56,964 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 16:15:56,965 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 04:15:31" (3/4) ... [2018-11-23 16:15:56,968 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 16:15:56,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 16:15:56,972 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 16:15:56,973 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 16:15:56,983 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 16:15:56,983 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 16:15:57,001 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((!(1 == a21) || ((((((!(10 == a28) && a19 <= 0) && !(a25 == 1)) && a28 <= 10) && a11 == 0) && !(a28 == 0)) && a17 == 8)) || ((((a11 == 0 && a19 == 1) && a28 == \old(a28)) && a17 <= 8) && a25 == \old(a25))) || !(0 == \old(a11))) || (a17 <= 7 && 9 == a28)) || ((!(input == 0) && 9 == a28) && ((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) || ((((a28 == 10 && a19 == 0) && a11 == 0) && a17 == 8) && a25 == 1)))) || (a17 <= 7 && !(a25 == 1) && !(a28 == 8))) || !(1 == \old(a19))) || ((((1 == a11 && 1 == a25) && 8 == a17) && 1 == a19) && 10 == a28)) || !(8 == \old(a17))) || ((!(10 == a28) && a17 <= 7) && 1 <= a19)) || (1 == a25 && !(10 == a28) && ((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) || ((((a28 == 10 && a19 == 0) && a11 == 0) && a17 == 8) && a25 == 1)))) || !(7 == \old(a28))) || (((\old(a19) == a19 && a28 <= 7) && 1 == a25) && a17 <= 8)) || ((((1 == a25 && 1 <= a19) && 1 == a11) && 9 == a28) && a17 <= 8)) || !(0 == \old(a25))) || ((((a19 <= 0 && a28 <= 7) && a11 == 0) && !(a28 == 0)) && a17 == 8)) || (a28 <= 10 && (!(input == 0) && 10 <= a28) && ((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) || ((((a28 == 10 && a19 == 0) && a11 == 0) && a17 == 8) && a25 == 1)))) || (((a19 <= 0 && a28 <= 7) && 1 == a11) && !(a25 == 1) && a17 <= 8)) || ((\old(a19) == a19 && 1 == a11) && 9 == a28 && a17 <= 8) [2018-11-23 16:15:57,059 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d8b9e9c5-9922-4822-80a3-05c4c4579ed8/bin-2019/utaipan/witness.graphml [2018-11-23 16:15:57,059 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 16:15:57,059 INFO L168 Benchmark]: Toolchain (without parser) took 26356.85 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 950.4 MB in the beginning and 1.9 GB in the end (delta: -936.6 MB). Peak memory consumption was 400.9 MB. Max. memory is 11.5 GB. [2018-11-23 16:15:57,060 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 16:15:57,060 INFO L168 Benchmark]: CACSL2BoogieTranslator took 365.47 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 920.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-23 16:15:57,060 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 920.9 MB in the beginning and 1.2 GB in the end (delta: -230.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-23 16:15:57,060 INFO L168 Benchmark]: Boogie Preprocessor took 50.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 16:15:57,061 INFO L168 Benchmark]: RCFGBuilder took 783.04 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: 101.9 MB). Peak memory consumption was 101.9 MB. Max. memory is 11.5 GB. [2018-11-23 16:15:57,061 INFO L168 Benchmark]: TraceAbstraction took 24978.06 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -868.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-11-23 16:15:57,061 INFO L168 Benchmark]: Witness Printer took 94.55 ms. Allocated memory is still 2.4 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. [2018-11-23 16:15:57,062 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 365.47 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 920.9 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 81.90 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.9 MB). Free memory was 920.9 MB in the beginning and 1.2 GB in the end (delta: -230.8 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 783.04 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: 101.9 MB). Peak memory consumption was 101.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 24978.06 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -868.9 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 94.55 ms. Allocated memory is still 2.4 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 28.2 MB). Peak memory consumption was 28.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 487]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(1 == a21) || ((((((!(10 == a28) && a19 <= 0) && !(a25 == 1)) && a28 <= 10) && a11 == 0) && !(a28 == 0)) && a17 == 8)) || ((((a11 == 0 && a19 == 1) && a28 == \old(a28)) && a17 <= 8) && a25 == \old(a25))) || !(0 == \old(a11))) || (a17 <= 7 && 9 == a28)) || ((!(input == 0) && 9 == a28) && ((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) || ((((a28 == 10 && a19 == 0) && a11 == 0) && a17 == 8) && a25 == 1)))) || (a17 <= 7 && !(a25 == 1) && !(a28 == 8))) || !(1 == \old(a19))) || ((((1 == a11 && 1 == a25) && 8 == a17) && 1 == a19) && 10 == a28)) || !(8 == \old(a17))) || ((!(10 == a28) && a17 <= 7) && 1 <= a19)) || (1 == a25 && !(10 == a28) && ((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) || ((((a28 == 10 && a19 == 0) && a11 == 0) && a17 == 8) && a25 == 1)))) || !(7 == \old(a28))) || (((\old(a19) == a19 && a28 <= 7) && 1 == a25) && a17 <= 8)) || ((((1 == a25 && 1 <= a19) && 1 == a11) && 9 == a28) && a17 <= 8)) || !(0 == \old(a25))) || ((((a19 <= 0 && a28 <= 7) && a11 == 0) && !(a28 == 0)) && a17 == 8)) || (a28 <= 10 && (!(input == 0) && 10 <= a28) && ((((a11 == 0 && !(a28 == 0)) && a17 == 8) && a19 == 1) || ((((a28 == 10 && a19 == 0) && a11 == 0) && a17 == 8) && a25 == 1)))) || (((a19 <= 0 && a28 <= 7) && 1 == a11) && !(a25 == 1) && a17 <= 8)) || ((\old(a19) == a19 && 1 == a11) && 9 == a28 && a17 <= 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 24.9s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 16.3s AutomataDifference, 0.0s DeadEndRemovalTime, 2.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1297 SDtfs, 12346 SDslu, 2226 SDs, 0 SdLazy, 18038 SolverSat, 3003 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2578 GetRequests, 2403 SyntacticMatches, 12 SemanticMatches, 163 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 939 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=6910occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.0s AbstIntTime, 7 AbstIntIterations, 2 AbstIntStrong, 0.9973366396834819 AbsIntWeakeningRatio, 0.2126984126984127 AbsIntAvgWeakeningVarsNumRemoved, 25.892063492063492 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 1089 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 221 PreInvPairs, 307 NumberOfFragments, 1315 HoareAnnotationTreeSize, 221 FomulaSimplifications, 5543 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 9521 FormulaSimplificationTreeSizeReductionInter, 2.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 2726 NumberOfCodeBlocks, 2726 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3728 ConstructedInterpolants, 0 QuantifiedInterpolants, 1433796 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2738 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 20 InterpolantComputations, 3 PerfectInterpolantSequences, 2518/2796 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...