./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_2390b64c-40c7-4d82-80e3-e9fbd6cdfe2f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2390b64c-40c7-4d82-80e3-e9fbd6cdfe2f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2390b64c-40c7-4d82-80e3-e9fbd6cdfe2f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2390b64c-40c7-4d82-80e3-e9fbd6cdfe2f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2390b64c-40c7-4d82-80e3-e9fbd6cdfe2f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2390b64c-40c7-4d82-80e3-e9fbd6cdfe2f/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 05d2a3ff1add36607a16806c355c4adc86a8978e ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 12:41:01,177 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:41:01,178 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:41:01,184 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:41:01,184 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:41:01,185 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:41:01,185 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:41:01,186 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:41:01,188 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:41:01,188 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:41:01,189 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:41:01,189 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:41:01,190 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:41:01,190 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:41:01,191 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:41:01,192 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:41:01,192 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:41:01,194 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:41:01,195 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:41:01,197 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:41:01,198 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:41:01,198 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:41:01,200 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:41:01,200 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:41:01,200 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:41:01,201 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:41:01,202 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:41:01,203 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:41:01,204 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:41:01,204 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:41:01,204 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:41:01,205 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:41:01,205 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:41:01,205 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:41:01,206 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:41:01,206 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:41:01,207 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2390b64c-40c7-4d82-80e3-e9fbd6cdfe2f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:41:01,218 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:41:01,218 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:41:01,219 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:41:01,219 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:41:01,219 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:41:01,219 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:41:01,219 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:41:01,219 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:41:01,220 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:41:01,220 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:41:01,220 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:41:01,220 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:41:01,220 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:41:01,221 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:41:01,222 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:41:01,222 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:41:01,222 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:41:01,222 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:41:01,223 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:41:01,223 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:41:01,223 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:41:01,223 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:41:01,223 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:41:01,223 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:41:01,223 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:41:01,223 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:41:01,224 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:41:01,224 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:41:01,224 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:41:01,224 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:41:01,224 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:41:01,224 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:41:01,224 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:41:01,225 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:41:01,225 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:41:01,225 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:41:01,225 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:41:01,225 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_2390b64c-40c7-4d82-80e3-e9fbd6cdfe2f/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 -> 05d2a3ff1add36607a16806c355c4adc86a8978e [2018-11-18 12:41:01,249 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:41:01,258 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:41:01,260 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:41:01,262 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:41:01,262 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:41:01,262 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2390b64c-40c7-4d82-80e3-e9fbd6cdfe2f/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c [2018-11-18 12:41:01,305 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2390b64c-40c7-4d82-80e3-e9fbd6cdfe2f/bin-2019/utaipan/data/68d6dc872/7d8d24b15c0c4fb9b27977de6362b506/FLAGc7f13a598 [2018-11-18 12:41:01,765 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:41:01,765 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2390b64c-40c7-4d82-80e3-e9fbd6cdfe2f/sv-benchmarks/c/eca-rers2012/Problem01_label52_true-unreach-call_false-termination.c [2018-11-18 12:41:01,777 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2390b64c-40c7-4d82-80e3-e9fbd6cdfe2f/bin-2019/utaipan/data/68d6dc872/7d8d24b15c0c4fb9b27977de6362b506/FLAGc7f13a598 [2018-11-18 12:41:02,280 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2390b64c-40c7-4d82-80e3-e9fbd6cdfe2f/bin-2019/utaipan/data/68d6dc872/7d8d24b15c0c4fb9b27977de6362b506 [2018-11-18 12:41:02,282 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:41:02,282 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:41:02,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:41:02,283 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:41:02,285 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:41:02,285 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:41:02" (1/1) ... [2018-11-18 12:41:02,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cfef79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:02, skipping insertion in model container [2018-11-18 12:41:02,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:41:02" (1/1) ... [2018-11-18 12:41:02,293 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:41:02,328 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:41:02,546 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:41:02,550 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:41:02,617 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:41:02,629 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:41:02,629 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:02 WrapperNode [2018-11-18 12:41:02,629 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:41:02,630 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:41:02,630 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:41:02,630 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:41:02,687 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:02" (1/1) ... [2018-11-18 12:41:02,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:02" (1/1) ... [2018-11-18 12:41:02,709 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:41:02,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:41:02,710 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:41:02,710 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:41:02,716 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:02" (1/1) ... [2018-11-18 12:41:02,716 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:02" (1/1) ... [2018-11-18 12:41:02,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:02" (1/1) ... [2018-11-18 12:41:02,719 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:02" (1/1) ... [2018-11-18 12:41:02,743 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:02" (1/1) ... [2018-11-18 12:41:02,752 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:02" (1/1) ... [2018-11-18 12:41:02,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:02" (1/1) ... [2018-11-18 12:41:02,759 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:41:02,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:41:02,760 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:41:02,760 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:41:02,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2390b64c-40c7-4d82-80e3-e9fbd6cdfe2f/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:41:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:41:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:41:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:41:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 12:41:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 12:41:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:41:02,800 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:41:02,800 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:41:02,801 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:41:03,458 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:41:03,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:41:03 BoogieIcfgContainer [2018-11-18 12:41:03,459 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:41:03,459 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:41:03,459 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:41:03,461 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:41:03,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:41:02" (1/3) ... [2018-11-18 12:41:03,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bfb03e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:41:03, skipping insertion in model container [2018-11-18 12:41:03,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:41:02" (2/3) ... [2018-11-18 12:41:03,462 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1bfb03e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:41:03, skipping insertion in model container [2018-11-18 12:41:03,462 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:41:03" (3/3) ... [2018-11-18 12:41:03,464 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label52_true-unreach-call_false-termination.c [2018-11-18 12:41:03,470 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:41:03,477 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:41:03,487 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:41:03,509 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:41:03,509 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:41:03,509 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:41:03,509 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:41:03,510 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:41:03,510 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:41:03,510 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:41:03,510 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:41:03,528 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 12:41:03,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 12:41:03,537 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:41:03,538 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:41:03,540 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:41:03,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:03,544 INFO L82 PathProgramCache]: Analyzing trace with hash -197406427, now seen corresponding path program 1 times [2018-11-18 12:41:03,545 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:41:03,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:03,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:03,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:03,582 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:41:03,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:03,847 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:41:03,848 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:41:03,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:41:03,849 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:41:03,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:41:03,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:41:03,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:41:03,863 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-18 12:41:04,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:41:04,410 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-18 12:41:04,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:41:04,411 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2018-11-18 12:41:04,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:41:04,421 INFO L225 Difference]: With dead ends: 550 [2018-11-18 12:41:04,421 INFO L226 Difference]: Without dead ends: 340 [2018-11-18 12:41:04,425 INFO L604 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 [2018-11-18 12:41:04,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-18 12:41:04,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-18 12:41:04,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 12:41:04,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 569 transitions. [2018-11-18 12:41:04,470 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 569 transitions. Word has length 133 [2018-11-18 12:41:04,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:41:04,471 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 569 transitions. [2018-11-18 12:41:04,471 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:41:04,471 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 569 transitions. [2018-11-18 12:41:04,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 12:41:04,475 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:41:04,476 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:41:04,476 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:41:04,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:04,476 INFO L82 PathProgramCache]: Analyzing trace with hash -1386763570, now seen corresponding path program 1 times [2018-11-18 12:41:04,476 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:41:04,477 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:04,477 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:04,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:04,478 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:41:04,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:04,585 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:41:04,585 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:41:04,586 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:41:04,586 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:41:04,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:41:04,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:41:04,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:41:04,588 INFO L87 Difference]: Start difference. First operand 340 states and 569 transitions. Second operand 5 states. [2018-11-18 12:41:05,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:41:05,147 INFO L93 Difference]: Finished difference Result 1079 states and 1888 transitions. [2018-11-18 12:41:05,149 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:41:05,149 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 143 [2018-11-18 12:41:05,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:41:05,152 INFO L225 Difference]: With dead ends: 1079 [2018-11-18 12:41:05,153 INFO L226 Difference]: Without dead ends: 745 [2018-11-18 12:41:05,154 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 12:41:05,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-11-18 12:41:05,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 733. [2018-11-18 12:41:05,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2018-11-18 12:41:05,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1163 transitions. [2018-11-18 12:41:05,181 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1163 transitions. Word has length 143 [2018-11-18 12:41:05,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:41:05,181 INFO L480 AbstractCegarLoop]: Abstraction has 733 states and 1163 transitions. [2018-11-18 12:41:05,181 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:41:05,181 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1163 transitions. [2018-11-18 12:41:05,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 12:41:05,185 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:41:05,185 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:41:05,185 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:41:05,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:05,186 INFO L82 PathProgramCache]: Analyzing trace with hash 130268386, now seen corresponding path program 1 times [2018-11-18 12:41:05,186 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:41:05,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:05,187 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:05,187 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:05,187 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:41:05,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:05,335 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 12:41:05,336 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:41:05,336 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:41:05,336 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 154 with the following transitions: [2018-11-18 12:41:05,338 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:41:05,365 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:41:05,365 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:41:05,708 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:41:05,710 INFO L272 AbstractInterpreter]: Visited 133 different actions 133 times. Never merged. Never widened. Performed 1731 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1731 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 42 variables. [2018-11-18 12:41:05,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:05,733 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:41:06,030 INFO L227 lantSequenceWeakener]: Weakened 147 states. On average, predicates are now at 80.68% of their original sizes. [2018-11-18 12:41:06,030 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:41:06,076 INFO L415 sIntCurrentIteration]: We unified 152 AI predicates to 152 [2018-11-18 12:41:06,076 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:41:06,077 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:41:06,077 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-11-18 12:41:06,077 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:41:06,078 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:41:06,078 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:41:06,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:41:06,078 INFO L87 Difference]: Start difference. First operand 733 states and 1163 transitions. Second operand 6 states. [2018-11-18 12:41:07,579 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:41:07,579 INFO L93 Difference]: Finished difference Result 1598 states and 2531 transitions. [2018-11-18 12:41:07,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:41:07,580 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-11-18 12:41:07,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:41:07,583 INFO L225 Difference]: With dead ends: 1598 [2018-11-18 12:41:07,583 INFO L226 Difference]: Without dead ends: 871 [2018-11-18 12:41:07,584 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 153 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:41:07,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2018-11-18 12:41:07,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 869. [2018-11-18 12:41:07,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-11-18 12:41:07,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1308 transitions. [2018-11-18 12:41:07,604 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1308 transitions. Word has length 153 [2018-11-18 12:41:07,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:41:07,604 INFO L480 AbstractCegarLoop]: Abstraction has 869 states and 1308 transitions. [2018-11-18 12:41:07,604 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:41:07,604 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1308 transitions. [2018-11-18 12:41:07,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 12:41:07,606 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:41:07,606 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:41:07,607 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:41:07,607 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:07,607 INFO L82 PathProgramCache]: Analyzing trace with hash -2100798917, now seen corresponding path program 1 times [2018-11-18 12:41:07,607 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:41:07,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:07,608 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:07,608 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:07,608 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:41:07,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:07,698 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:41:07,698 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:41:07,698 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:41:07,698 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-11-18 12:41:07,699 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:41:07,703 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:41:07,703 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:41:08,048 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:41:08,048 INFO L272 AbstractInterpreter]: Visited 137 different actions 267 times. Merged at 4 different actions 4 times. Never widened. Performed 3574 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3574 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 12:41:08,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:08,053 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:41:08,274 INFO L227 lantSequenceWeakener]: Weakened 152 states. On average, predicates are now at 82.16% of their original sizes. [2018-11-18 12:41:08,274 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:41:08,343 INFO L415 sIntCurrentIteration]: We unified 154 AI predicates to 154 [2018-11-18 12:41:08,343 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:41:08,344 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:41:08,344 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 12:41:08,344 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:41:08,344 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:41:08,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:41:08,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:41:08,345 INFO L87 Difference]: Start difference. First operand 869 states and 1308 transitions. Second operand 10 states. [2018-11-18 12:41:11,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:41:11,801 INFO L93 Difference]: Finished difference Result 2801 states and 4437 transitions. [2018-11-18 12:41:11,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 12:41:11,802 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 155 [2018-11-18 12:41:11,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:41:11,806 INFO L225 Difference]: With dead ends: 2801 [2018-11-18 12:41:11,807 INFO L226 Difference]: Without dead ends: 2074 [2018-11-18 12:41:11,809 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 164 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 12:41:11,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2074 states. [2018-11-18 12:41:11,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2074 to 2043. [2018-11-18 12:41:11,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2043 states. [2018-11-18 12:41:11,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2043 states to 2043 states and 2623 transitions. [2018-11-18 12:41:11,843 INFO L78 Accepts]: Start accepts. Automaton has 2043 states and 2623 transitions. Word has length 155 [2018-11-18 12:41:11,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:41:11,843 INFO L480 AbstractCegarLoop]: Abstraction has 2043 states and 2623 transitions. [2018-11-18 12:41:11,843 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:41:11,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2043 states and 2623 transitions. [2018-11-18 12:41:11,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 12:41:11,846 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:41:11,846 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:41:11,846 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:41:11,846 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:11,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1272000863, now seen corresponding path program 1 times [2018-11-18 12:41:11,847 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:41:11,847 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:11,847 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:11,848 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:11,848 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:41:11,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:11,957 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:41:11,957 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:41:11,957 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:41:11,958 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 163 with the following transitions: [2018-11-18 12:41:11,958 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:41:11,961 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:41:11,961 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:41:12,109 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:41:12,109 INFO L272 AbstractInterpreter]: Visited 137 different actions 268 times. Merged at 5 different actions 5 times. Never widened. Performed 3464 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3464 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 12:41:12,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:12,110 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:41:12,287 INFO L227 lantSequenceWeakener]: Weakened 159 states. On average, predicates are now at 82.13% of their original sizes. [2018-11-18 12:41:12,287 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:41:12,320 INFO L415 sIntCurrentIteration]: We unified 161 AI predicates to 161 [2018-11-18 12:41:12,320 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:41:12,320 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:41:12,321 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-18 12:41:12,321 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:41:12,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:41:12,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:41:12,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:41:12,321 INFO L87 Difference]: Start difference. First operand 2043 states and 2623 transitions. Second operand 10 states. [2018-11-18 12:41:14,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:41:14,601 INFO L93 Difference]: Finished difference Result 4085 states and 5313 transitions. [2018-11-18 12:41:14,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 12:41:14,601 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 162 [2018-11-18 12:41:14,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:41:14,606 INFO L225 Difference]: With dead ends: 4085 [2018-11-18 12:41:14,606 INFO L226 Difference]: Without dead ends: 2184 [2018-11-18 12:41:14,610 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 169 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 12:41:14,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2184 states. [2018-11-18 12:41:14,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2184 to 2181. [2018-11-18 12:41:14,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2181 states. [2018-11-18 12:41:14,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2181 states to 2181 states and 2777 transitions. [2018-11-18 12:41:14,639 INFO L78 Accepts]: Start accepts. Automaton has 2181 states and 2777 transitions. Word has length 162 [2018-11-18 12:41:14,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:41:14,639 INFO L480 AbstractCegarLoop]: Abstraction has 2181 states and 2777 transitions. [2018-11-18 12:41:14,639 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:41:14,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2181 states and 2777 transitions. [2018-11-18 12:41:14,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-18 12:41:14,643 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:41:14,643 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:41:14,643 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:41:14,644 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:14,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1641310418, now seen corresponding path program 1 times [2018-11-18 12:41:14,644 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:41:14,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:14,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:14,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:14,645 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:41:14,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:14,704 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 12:41:14,705 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:41:14,705 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:41:14,705 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 175 with the following transitions: [2018-11-18 12:41:14,705 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:41:14,707 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:41:14,707 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:41:15,053 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:41:15,053 INFO L272 AbstractInterpreter]: Visited 139 different actions 550 times. Merged at 8 different actions 30 times. Never widened. Performed 7567 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7567 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-18 12:41:15,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:15,058 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:41:15,058 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:41:15,058 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2390b64c-40c7-4d82-80e3-e9fbd6cdfe2f/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:41:15,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:15,074 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:41:15,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:15,151 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:41:15,223 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 42 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 12:41:15,224 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:41:15,377 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 12:41:15,403 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:41:15,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-11-18 12:41:15,403 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:41:15,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 12:41:15,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 12:41:15,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-18 12:41:15,404 INFO L87 Difference]: Start difference. First operand 2181 states and 2777 transitions. Second operand 8 states. [2018-11-18 12:41:17,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:41:17,015 INFO L93 Difference]: Finished difference Result 7194 states and 9811 transitions. [2018-11-18 12:41:17,015 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 12:41:17,015 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 174 [2018-11-18 12:41:17,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:41:17,026 INFO L225 Difference]: With dead ends: 7194 [2018-11-18 12:41:17,026 INFO L226 Difference]: Without dead ends: 2993 [2018-11-18 12:41:17,043 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 394 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=215, Invalid=777, Unknown=0, NotChecked=0, Total=992 [2018-11-18 12:41:17,045 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2993 states. [2018-11-18 12:41:17,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2993 to 2936. [2018-11-18 12:41:17,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2936 states. [2018-11-18 12:41:17,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2936 states to 2936 states and 3485 transitions. [2018-11-18 12:41:17,104 INFO L78 Accepts]: Start accepts. Automaton has 2936 states and 3485 transitions. Word has length 174 [2018-11-18 12:41:17,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:41:17,105 INFO L480 AbstractCegarLoop]: Abstraction has 2936 states and 3485 transitions. [2018-11-18 12:41:17,105 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 12:41:17,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2936 states and 3485 transitions. [2018-11-18 12:41:17,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-11-18 12:41:17,113 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:41:17,113 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:41:17,113 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:41:17,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:17,114 INFO L82 PathProgramCache]: Analyzing trace with hash -1741067028, now seen corresponding path program 1 times [2018-11-18 12:41:17,114 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:41:17,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:17,115 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:17,115 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:17,115 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:41:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:17,231 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 78 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 12:41:17,232 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:41:17,232 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:41:17,232 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 202 with the following transitions: [2018-11-18 12:41:17,233 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:41:17,236 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:41:17,237 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:41:17,421 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:41:17,421 INFO L272 AbstractInterpreter]: Visited 138 different actions 270 times. Merged at 5 different actions 5 times. Never widened. Performed 3549 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3549 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 12:41:17,425 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:17,425 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:41:17,633 INFO L227 lantSequenceWeakener]: Weakened 198 states. On average, predicates are now at 82.01% of their original sizes. [2018-11-18 12:41:17,633 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:41:17,674 INFO L415 sIntCurrentIteration]: We unified 200 AI predicates to 200 [2018-11-18 12:41:17,675 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:41:17,675 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:41:17,675 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 12:41:17,675 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:41:17,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:41:17,675 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:41:17,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:41:17,676 INFO L87 Difference]: Start difference. First operand 2936 states and 3485 transitions. Second operand 10 states. [2018-11-18 12:41:19,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:41:19,473 INFO L93 Difference]: Finished difference Result 6053 states and 7217 transitions. [2018-11-18 12:41:19,473 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 12:41:19,473 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 201 [2018-11-18 12:41:19,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:41:19,482 INFO L225 Difference]: With dead ends: 6053 [2018-11-18 12:41:19,482 INFO L226 Difference]: Without dead ends: 3397 [2018-11-18 12:41:19,487 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 209 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:41:19,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3397 states. [2018-11-18 12:41:19,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3397 to 3394. [2018-11-18 12:41:19,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3394 states. [2018-11-18 12:41:19,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3394 states to 3394 states and 3972 transitions. [2018-11-18 12:41:19,544 INFO L78 Accepts]: Start accepts. Automaton has 3394 states and 3972 transitions. Word has length 201 [2018-11-18 12:41:19,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:41:19,544 INFO L480 AbstractCegarLoop]: Abstraction has 3394 states and 3972 transitions. [2018-11-18 12:41:19,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:41:19,545 INFO L276 IsEmpty]: Start isEmpty. Operand 3394 states and 3972 transitions. [2018-11-18 12:41:19,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-18 12:41:19,550 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:41:19,550 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:41:19,551 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:41:19,551 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:19,551 INFO L82 PathProgramCache]: Analyzing trace with hash -834727063, now seen corresponding path program 1 times [2018-11-18 12:41:19,551 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:41:19,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:19,552 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:19,552 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:19,552 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:41:19,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:19,689 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 76 proven. 30 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 12:41:19,690 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:41:19,690 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:41:19,690 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 211 with the following transitions: [2018-11-18 12:41:19,690 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:41:19,692 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:41:19,692 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:41:19,974 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:41:19,974 INFO L272 AbstractInterpreter]: Visited 140 different actions 555 times. Merged at 9 different actions 31 times. Never widened. Performed 7689 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7689 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-18 12:41:19,981 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:19,981 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:41:19,981 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:41:19,981 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2390b64c-40c7-4d82-80e3-e9fbd6cdfe2f/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:41:19,987 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:19,987 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:41:20,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:20,037 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:41:20,077 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 94 proven. 2 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 12:41:20,078 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:41:20,154 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 82 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 12:41:20,174 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:41:20,174 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-18 12:41:20,174 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:41:20,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 12:41:20,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 12:41:20,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:41:20,175 INFO L87 Difference]: Start difference. First operand 3394 states and 3972 transitions. Second operand 11 states. [2018-11-18 12:41:21,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:41:21,416 INFO L93 Difference]: Finished difference Result 11090 states and 13890 transitions. [2018-11-18 12:41:21,416 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 12:41:21,417 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 210 [2018-11-18 12:41:21,417 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:41:21,433 INFO L225 Difference]: With dead ends: 11090 [2018-11-18 12:41:21,433 INFO L226 Difference]: Without dead ends: 8296 [2018-11-18 12:41:21,447 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 423 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-18 12:41:21,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8296 states. [2018-11-18 12:41:21,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8296 to 8266. [2018-11-18 12:41:21,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8266 states. [2018-11-18 12:41:21,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8266 states to 8266 states and 9937 transitions. [2018-11-18 12:41:21,626 INFO L78 Accepts]: Start accepts. Automaton has 8266 states and 9937 transitions. Word has length 210 [2018-11-18 12:41:21,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:41:21,627 INFO L480 AbstractCegarLoop]: Abstraction has 8266 states and 9937 transitions. [2018-11-18 12:41:21,627 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 12:41:21,627 INFO L276 IsEmpty]: Start isEmpty. Operand 8266 states and 9937 transitions. [2018-11-18 12:41:21,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-11-18 12:41:21,687 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:41:21,688 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:41:21,688 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:41:21,689 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:21,689 INFO L82 PathProgramCache]: Analyzing trace with hash 1260821300, now seen corresponding path program 1 times [2018-11-18 12:41:21,689 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:41:21,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:21,689 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:21,689 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:21,689 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:41:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:21,778 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 98 proven. 51 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 12:41:21,778 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:41:21,778 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:41:21,779 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-11-18 12:41:21,779 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:41:21,781 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:41:21,781 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:41:22,047 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:41:22,047 INFO L272 AbstractInterpreter]: Visited 141 different actions 562 times. Merged at 10 different actions 34 times. Never widened. Performed 7835 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7835 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-18 12:41:22,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:22,061 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:41:22,061 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:41:22,061 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2390b64c-40c7-4d82-80e3-e9fbd6cdfe2f/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 [2018-11-18 12:41:22,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:22,078 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:41:22,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:22,137 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:41:22,192 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 122 proven. 2 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 12:41:22,192 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:41:22,288 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 104 proven. 20 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-18 12:41:22,313 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:41:22,313 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-18 12:41:22,313 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:41:22,314 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 12:41:22,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 12:41:22,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-11-18 12:41:22,314 INFO L87 Difference]: Start difference. First operand 8266 states and 9937 transitions. Second operand 12 states. [2018-11-18 12:41:24,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:41:24,660 INFO L93 Difference]: Finished difference Result 25523 states and 33068 transitions. [2018-11-18 12:41:24,661 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-11-18 12:41:24,661 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 230 [2018-11-18 12:41:24,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:41:24,706 INFO L225 Difference]: With dead ends: 25523 [2018-11-18 12:41:24,707 INFO L226 Difference]: Without dead ends: 17178 [2018-11-18 12:41:24,725 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 543 GetRequests, 493 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 691 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=532, Invalid=2018, Unknown=0, NotChecked=0, Total=2550 [2018-11-18 12:41:24,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17178 states. [2018-11-18 12:41:24,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17178 to 16561. [2018-11-18 12:41:24,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16561 states. [2018-11-18 12:41:24,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16561 states to 16561 states and 20493 transitions. [2018-11-18 12:41:24,968 INFO L78 Accepts]: Start accepts. Automaton has 16561 states and 20493 transitions. Word has length 230 [2018-11-18 12:41:24,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:41:24,969 INFO L480 AbstractCegarLoop]: Abstraction has 16561 states and 20493 transitions. [2018-11-18 12:41:24,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 12:41:24,969 INFO L276 IsEmpty]: Start isEmpty. Operand 16561 states and 20493 transitions. [2018-11-18 12:41:24,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-11-18 12:41:24,988 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:41:24,988 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:41:24,988 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:41:24,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:24,988 INFO L82 PathProgramCache]: Analyzing trace with hash -824510028, now seen corresponding path program 1 times [2018-11-18 12:41:24,989 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:41:24,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:24,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:24,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:41:24,989 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:41:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:25,103 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 125 proven. 53 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-18 12:41:25,103 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:41:25,103 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:41:25,103 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 240 with the following transitions: [2018-11-18 12:41:25,104 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [649], [657], [665], [673], [681], [689], [697], [701], [703], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:41:25,106 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:41:25,106 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:41:25,429 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:41:25,429 INFO L272 AbstractInterpreter]: Visited 141 different actions 697 times. Merged at 10 different actions 40 times. Never widened. Performed 9585 root evaluator evaluations with a maximum evaluation depth of 3. Performed 9585 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-18 12:41:25,441 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:41:25,441 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:41:25,441 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:41:25,441 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2390b64c-40c7-4d82-80e3-e9fbd6cdfe2f/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 [2018-11-18 12:41:25,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:41:25,458 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:41:25,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:41:25,507 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:41:25,559 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-11-18 12:41:25,559 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:41:25,615 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2018-11-18 12:41:25,630 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:41:25,630 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-18 12:41:25,630 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:41:25,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:41:25,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:41:25,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:41:25,631 INFO L87 Difference]: Start difference. First operand 16561 states and 20493 transitions. Second operand 3 states. [2018-11-18 12:41:26,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:41:26,018 INFO L93 Difference]: Finished difference Result 28292 states and 34932 transitions. [2018-11-18 12:41:26,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:41:26,018 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 239 [2018-11-18 12:41:26,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:41:26,019 INFO L225 Difference]: With dead ends: 28292 [2018-11-18 12:41:26,019 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:41:26,056 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 478 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:41:26,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:41:26,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:41:26,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:41:26,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:41:26,057 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 239 [2018-11-18 12:41:26,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:41:26,057 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:41:26,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:41:26,057 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:41:26,057 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:41:26,061 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:41:26,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,302 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,304 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,342 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,352 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,354 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,367 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,372 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,374 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,396 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,399 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,403 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,407 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,411 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,426 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,434 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,440 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,468 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,482 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,487 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,511 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 118 [2018-11-18 12:41:26,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,578 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,581 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,584 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,590 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,633 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,641 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,644 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,656 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,687 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:41:26,705 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 91 [2018-11-18 12:41:28,401 WARN L180 SmtUtils]: Spent 1.61 s on a formula simplification. DAG size of input: 334 DAG size of output: 113 [2018-11-18 12:41:28,646 WARN L180 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 68 [2018-11-18 12:41:28,913 WARN L180 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 71 [2018-11-18 12:41:28,914 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:41:28,914 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|)) [2018-11-18 12:41:28,915 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:41:28,915 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-18 12:41:28,915 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-18 12:41:28,915 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,915 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,915 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,915 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,915 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,915 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,915 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-18 12:41:28,915 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-18 12:41:28,915 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 12:41:28,915 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 12:41:28,916 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-18 12:41:28,916 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 12:41:28,916 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 12:41:28,916 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-18 12:41:28,916 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-18 12:41:28,916 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-18 12:41:28,916 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,916 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,916 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,916 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,916 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,916 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,916 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-18 12:41:28,916 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-18 12:41:28,917 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-18 12:41:28,917 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 12:41:28,917 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-18 12:41:28,917 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 12:41:28,917 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 12:41:28,917 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 12:41:28,917 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-18 12:41:28,917 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-18 12:41:28,917 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-18 12:41:28,917 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-18 12:41:28,917 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-18 12:41:28,917 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-18 12:41:28,917 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-18 12:41:28,917 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,918 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,918 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,918 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,918 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,918 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-18 12:41:28,918 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-18 12:41:28,918 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-18 12:41:28,918 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 12:41:28,918 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-18 12:41:28,918 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 12:41:28,918 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-18 12:41:28,918 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-18 12:41:28,918 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-18 12:41:28,918 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 554) no Hoare annotation was computed. [2018-11-18 12:41:28,919 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,919 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,919 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,919 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,919 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,919 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-18 12:41:28,919 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 12:41:28,919 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-18 12:41:28,919 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 12:41:28,919 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 12:41:28,919 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 12:41:28,919 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-18 12:41:28,919 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-18 12:41:28,920 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-18 12:41:28,920 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-18 12:41:28,920 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-18 12:41:28,920 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-18 12:41:28,920 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-18 12:41:28,920 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,920 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,920 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,920 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,920 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,920 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-18 12:41:28,920 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-18 12:41:28,920 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-18 12:41:28,920 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-18 12:41:28,921 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-18 12:41:28,921 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 12:41:28,921 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 12:41:28,921 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-18 12:41:28,921 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-18 12:41:28,921 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,921 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,921 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,921 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,921 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,921 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,921 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-18 12:41:28,921 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,921 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-18 12:41:28,921 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-18 12:41:28,922 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-18 12:41:28,922 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 12:41:28,922 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 12:41:28,922 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 12:41:28,922 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-18 12:41:28,922 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-18 12:41:28,922 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-18 12:41:28,922 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-18 12:41:28,922 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-18 12:41:28,922 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-18 12:41:28,922 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-18 12:41:28,922 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,922 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,922 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,923 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,923 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,923 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-18 12:41:28,923 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 12:41:28,923 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 12:41:28,923 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-18 12:41:28,923 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 12:41:28,923 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 12:41:28,923 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-18 12:41:28,923 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-18 12:41:28,923 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,923 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,923 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,923 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,923 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,924 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-18 12:41:28,924 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-18 12:41:28,924 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-18 12:41:28,924 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-18 12:41:28,924 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-18 12:41:28,924 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 12:41:28,924 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-18 12:41:28,924 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 12:41:28,924 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 12:41:28,924 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-18 12:41:28,925 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse31 (= ~a16~0 6)) (.cse25 (= 1 |old(~a20~0)|)) (.cse1 (= 1 |old(~a17~0)|)) (.cse21 (= ~a7~0 |old(~a7~0)|)) (.cse27 (= 1 ~a7~0)) (.cse22 (= |old(~a8~0)| ~a8~0)) (.cse23 (= |old(~a20~0)| ~a20~0)) (.cse24 (= ~a17~0 |old(~a17~0)|))) (let ((.cse14 (and .cse27 .cse22 .cse23 .cse24)) (.cse7 (< 0 |old(~a17~0)|)) (.cse0 (and .cse21 .cse22 .cse23 .cse24)) (.cse28 (= ~a17~0 1)) (.cse16 (not (= 1 |old(~a7~0)|))) (.cse2 (< |old(~a8~0)| 15)) (.cse11 (not (= ~a16~0 0))) (.cse29 (= ~a20~0 1)) (.cse13 (= 0 |old(~a16~0)|)) (.cse30 (= 0 |old(~a8~0)|)) (.cse26 (and .cse23 .cse24)) (.cse19 (= ~a16~0 5)) (.cse18 (not .cse1)) (.cse17 (not (= 5 |old(~a16~0)|))) (.cse8 (= |calculate_output_#in~input| 0)) (.cse12 (= ~a21~0 1)) (.cse4 (not (= 0 |old(~a7~0)|))) (.cse5 (not (= 1 |old(~a21~0)|))) (.cse9 (not .cse25)) (.cse10 (not (= 15 |old(~a8~0)|))) (.cse6 (not (= 8 ~a12~0))) (.cse3 (= 6 |old(~a16~0)|)) (.cse15 (< 13 |old(~a8~0)|)) (.cse20 (not .cse31))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 (and .cse11 .cse12) .cse13) (or .cse14 .cse15 (< |old(~a20~0)| 1) .cse16 .cse7) (or .cse8 (or .cse4 .cse5 .cse10 (not (= 0 |old(~a20~0)|)) .cse17 .cse6 .cse18) (and .cse12 .cse19)) (or .cse14 (not (= |old(~a20~0)| 1)) .cse16 .cse7) (or (= ~a16~0 4) (or .cse5 .cse9 (not (= 4 |old(~a16~0)|)) (not (= 13 |old(~a8~0)|))) .cse6 .cse16 .cse8 .cse18) (or .cse0 .cse2 (< 0 |old(~a20~0)|)) (or .cse3 .cse20 .cse16 .cse2) (or .cse3 (and .cse21 .cse22 .cse23 .cse24 .cse20) .cse7) (or .cse3 .cse25 .cse2 .cse0) (or .cse3 .cse20 .cse25 .cse2) (or .cse3 .cse15 .cse26 .cse16) (or .cse5 .cse9 .cse13 .cse6 (and .cse11 .cse27 .cse22 .cse28 .cse12 .cse29) .cse16 .cse8 .cse30 .cse18) (or .cse5 .cse15 .cse9 .cse13 .cse6 (and .cse21 .cse11 .cse22 .cse28 .cse12 .cse29) .cse8 .cse30 .cse18) (or .cse16 (and .cse27 .cse22) .cse2) (or .cse3 .cse5 .cse9 (and .cse11 .cse12 .cse21 .cse22 .cse24 .cse20 .cse29) .cse13 .cse6 .cse8 .cse30 .cse18) (or .cse26 .cse3 .cse15 .cse1 .cse25) (or .cse4 .cse5 .cse6 .cse19 .cse8 .cse18 .cse9 .cse10 .cse17) (or .cse8 (and .cse12 .cse31) (or (not .cse3) .cse4 .cse5 .cse9 .cse10 (not (= 0 |old(~a17~0)|)) .cse6)) (or .cse3 .cse15 (and .cse21 .cse22 .cse20))))) [2018-11-18 12:41:28,925 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-18 12:41:28,925 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,925 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,925 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,925 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,925 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-18 12:41:28,925 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,925 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,925 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-18 12:41:28,925 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-18 12:41:28,925 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-18 12:41:28,925 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 12:41:28,926 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-18 12:41:28,926 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 12:41:28,926 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-18 12:41:28,926 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-18 12:41:28,926 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-18 12:41:28,926 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-18 12:41:28,926 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-18 12:41:28,926 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-18 12:41:28,926 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,926 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,926 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,926 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,926 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,926 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-18 12:41:28,927 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,927 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-18 12:41:28,927 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-18 12:41:28,927 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-18 12:41:28,927 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-18 12:41:28,927 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 12:41:28,927 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 12:41:28,927 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 12:41:28,927 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 12:41:28,927 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-18 12:41:28,927 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-18 12:41:28,927 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-18 12:41:28,927 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-18 12:41:28,927 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-18 12:41:28,927 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-18 12:41:28,928 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,928 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,928 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,928 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,928 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,928 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:41:28,928 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-18 12:41:28,928 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-18 12:41:28,928 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 12:41:28,928 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-18 12:41:28,928 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 12:41:28,928 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-18 12:41:28,928 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-18 12:41:28,928 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-18 12:41:28,928 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-18 12:41:28,929 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-18 12:41:28,929 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:41:28,929 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-11-18 12:41:28,929 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:41:28,929 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:41:28,929 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (and (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-11-18 12:41:28,929 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-18 12:41:28,929 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse9 (= ~a17~0 1)) (.cse11 (= ~a20~0 1))) (let ((.cse0 (not .cse11)) (.cse1 (<= 15 ~a8~0)) (.cse4 (not .cse9)) (.cse5 (= 1 ~a7~0)) (.cse12 (<= ~a17~0 0)) (.cse3 (<= ~a8~0 13)) (.cse6 (not (= ~a16~0 0))) (.cse7 (not (= main_~input~0 0))) (.cse8 (not (= ~a8~0 0))) (.cse10 (= ~a21~0 1)) (.cse2 (not (= ~a16~0 6)))) (or (and .cse0 .cse1 .cse2) (not (= 1 |old(~a21~0)|)) (and .cse3 .cse0 .cse2 .cse4) (and (<= ~a8~0 |old(~a8~0)|) .cse5 .cse1) (and .cse3 .cse5 .cse2) (not (= 8 ~a12~0)) (and .cse1 (<= ~a20~0 0)) (and .cse1 .cse4) (and .cse3 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse2 .cse12) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse6 .cse5 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse5 (= |old(~a20~0)| ~a20~0) .cse12) (not (= 0 |old(~a7~0)|)) (and .cse3 .cse5 .cse12 (<= 1 ~a20~0)) (and .cse3 (= ~a7~0 |old(~a7~0)|) .cse2) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse6 .cse7 .cse8 .cse9 .cse10 .cse2 .cse11)))) [2018-11-18 12:41:28,929 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 12:41:28,929 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-18 12:41:28,930 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-18 12:41:28,930 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse11 (= ~a20~0 1)) (.cse9 (= ~a17~0 1))) (let ((.cse3 (not .cse9)) (.cse1 (not .cse11)) (.cse4 (<= 15 ~a8~0)) (.cse2 (not (= ~a16~0 6))) (.cse0 (<= ~a8~0 13)) (.cse5 (<= ~a17~0 0)) (.cse7 (not (= ~a16~0 0))) (.cse6 (= 1 ~a7~0)) (.cse8 (not (= ~a8~0 0))) (.cse10 (= ~a21~0 1))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 8 ~a12~0)) (and .cse4 (<= ~a20~0 0)) (and .cse4 .cse3) (and .cse2 .cse5) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse6 .cse5 (<= 1 ~a20~0)) (and .cse0 (= ~a7~0 |old(~a7~0)|) .cse2) (and .cse1 .cse4 .cse2) (and (<= ~a8~0 |old(~a8~0)|) .cse6 .cse4) (and .cse0 .cse6 .cse2) (and .cse7 .cse8 .cse9 .cse10 .cse2 .cse11) (and .cse0 .cse7 .cse8 .cse9 .cse10 .cse11) (and .cse6 (= |old(~a20~0)| ~a20~0) .cse5) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (and .cse7 .cse6 .cse8 .cse9 .cse10 .cse11) (not (= 15 |old(~a8~0)|))))) [2018-11-18 12:41:28,930 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-18 12:41:28,940 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:41:28 BoogieIcfgContainer [2018-11-18 12:41:28,940 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:41:28,940 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:41:28,941 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:41:28,941 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:41:28,941 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:41:03" (3/4) ... [2018-11-18 12:41:28,944 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:41:28,949 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:41:28,949 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 12:41:28,949 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:41:28,958 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 12:41:28,959 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:41:28,983 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((!(1 == \old(a21)) || (((a8 <= 13 && !(a20 == 1)) && !(a16 == 6)) && !(a17 == 1))) || !(8 == a12)) || (15 <= a8 && a20 <= 0)) || (15 <= a8 && !(a17 == 1))) || (!(a16 == 6) && a17 <= 0)) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((a8 <= 13 && 1 == a7) && a17 <= 0) && 1 <= a20)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || ((!(a20 == 1) && 15 <= a8) && !(a16 == 6))) || ((a8 <= \old(a8) && 1 == a7) && 15 <= a8)) || ((a8 <= 13 && 1 == a7) && !(a16 == 6))) || (((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a21 == 1) && !(a16 == 6)) && a20 == 1)) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || ((1 == a7 && \old(a20) == a20) && a17 <= 0)) || !(0 == \old(a7))) || !(1 == \old(a17))) || (((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || !(15 == \old(a8)) [2018-11-18 12:41:29,053 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2390b64c-40c7-4d82-80e3-e9fbd6cdfe2f/bin-2019/utaipan/witness.graphml [2018-11-18 12:41:29,054 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:41:29,054 INFO L168 Benchmark]: Toolchain (without parser) took 26772.38 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.5 GB). Free memory was 956.4 MB in the beginning and 1.7 GB in the end (delta: -757.0 MB). Peak memory consumption was 747.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:41:29,055 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:41:29,055 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.78 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 918.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:41:29,055 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -223.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:41:29,056 INFO L168 Benchmark]: Boogie Preprocessor took 49.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:41:29,056 INFO L168 Benchmark]: RCFGBuilder took 698.81 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: 101.3 MB). Peak memory consumption was 101.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:41:29,056 INFO L168 Benchmark]: TraceAbstraction took 25481.15 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -708.5 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. [2018-11-18 12:41:29,056 INFO L168 Benchmark]: Witness Printer took 113.29 ms. Allocated memory is still 2.5 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. [2018-11-18 12:41:29,058 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 346.78 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 918.9 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 147.3 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -223.9 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 49.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 698.81 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: 101.3 MB). Peak memory consumption was 101.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25481.15 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: -708.5 MB). Peak memory consumption was 1.6 GB. Max. memory is 11.5 GB. * Witness Printer took 113.29 ms. Allocated memory is still 2.5 GB. Free memory was 1.7 GB in the beginning and 1.7 GB in the end (delta: 31.1 MB). Peak memory consumption was 31.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 554]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(1 == \old(a21)) || (((a8 <= 13 && !(a20 == 1)) && !(a16 == 6)) && !(a17 == 1))) || !(8 == a12)) || (15 <= a8 && a20 <= 0)) || (15 <= a8 && !(a17 == 1))) || (!(a16 == 6) && a17 <= 0)) || !(1 == \old(a20))) || !(5 == \old(a16))) || (((a8 <= 13 && 1 == a7) && a17 <= 0) && 1 <= a20)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || ((!(a20 == 1) && 15 <= a8) && !(a16 == 6))) || ((a8 <= \old(a8) && 1 == a7) && 15 <= a8)) || ((a8 <= 13 && 1 == a7) && !(a16 == 6))) || (((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a21 == 1) && !(a16 == 6)) && a20 == 1)) || (((((a8 <= 13 && !(a16 == 0)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || ((1 == a7 && \old(a20) == a20) && a17 <= 0)) || !(0 == \old(a7))) || !(1 == \old(a17))) || (((((!(a16 == 0) && 1 == a7) && !(a8 == 0)) && a17 == 1) && a21 == 1) && a20 == 1)) || !(15 == \old(a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 25.4s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 15.9s AutomataDifference, 0.0s DeadEndRemovalTime, 2.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 1412 SDtfs, 11189 SDslu, 2233 SDs, 0 SdLazy, 14509 SolverSat, 2985 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.1s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 2574 GetRequests, 2401 SyntacticMatches, 8 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1087 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16561occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.3s AbstIntTime, 8 AbstIntIterations, 4 AbstIntStrong, 0.9976170164606125 AbsIntWeakeningRatio, 0.2098950524737631 AbsIntAvgWeakeningVarsNumRemoved, 29.33583208395802 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 755 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 471 PreInvPairs, 909 NumberOfFragments, 1095 HoareAnnotationTreeSize, 471 FomulaSimplifications, 22753 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 8085 FormulaSimplificationTreeSizeReductionInter, 2.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2653 NumberOfCodeBlocks, 2653 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3488 ConstructedInterpolants, 0 QuantifiedInterpolants, 1372525 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2466 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 18 InterpolantComputations, 4 PerfectInterpolantSequences, 1750/1974 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...