./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label23_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_75fb203e-1f24-438e-bc9b-7cf2e198f679/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_75fb203e-1f24-438e-bc9b-7cf2e198f679/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_75fb203e-1f24-438e-bc9b-7cf2e198f679/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_75fb203e-1f24-438e-bc9b-7cf2e198f679/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label23_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_75fb203e-1f24-438e-bc9b-7cf2e198f679/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_75fb203e-1f24-438e-bc9b-7cf2e198f679/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 21f83ead38e7a5ce477fcca71badc56a222dddb6 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 14:46:41,983 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:46:41,984 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:46:41,989 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:46:41,990 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:46:41,990 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:46:41,991 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:46:41,992 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:46:41,992 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:46:41,993 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:46:41,993 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:46:41,993 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:46:41,994 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:46:41,994 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:46:41,995 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:46:41,995 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:46:41,995 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:46:41,996 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:46:41,997 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:46:41,998 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:46:41,998 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:46:41,999 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:46:42,000 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:46:42,000 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:46:42,000 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:46:42,001 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:46:42,001 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:46:42,002 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:46:42,002 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:46:42,003 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:46:42,003 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:46:42,003 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:46:42,003 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:46:42,003 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:46:42,004 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:46:42,004 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:46:42,004 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_75fb203e-1f24-438e-bc9b-7cf2e198f679/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 14:46:42,011 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:46:42,011 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:46:42,012 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:46:42,012 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 14:46:42,012 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 14:46:42,012 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 14:46:42,012 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 14:46:42,012 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 14:46:42,012 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 14:46:42,013 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 14:46:42,013 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 14:46:42,013 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 14:46:42,013 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 14:46:42,013 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:46:42,013 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:46:42,013 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 14:46:42,013 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:46:42,014 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:46:42,014 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:46:42,014 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:46:42,014 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:46:42,014 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:46:42,014 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:46:42,014 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:46:42,014 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:46:42,014 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 14:46:42,014 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:46:42,014 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 14:46:42,015 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 14:46:42,015 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:46:42,015 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:46:42,015 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:46:42,015 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 14:46:42,015 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:46:42,015 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 14:46:42,015 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 14:46:42,015 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_75fb203e-1f24-438e-bc9b-7cf2e198f679/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 -> 21f83ead38e7a5ce477fcca71badc56a222dddb6 [2018-12-02 14:46:42,033 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:46:42,042 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:46:42,044 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:46:42,045 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:46:42,046 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:46:42,046 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_75fb203e-1f24-438e-bc9b-7cf2e198f679/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem11_label23_true-unreach-call.c [2018-12-02 14:46:42,086 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_75fb203e-1f24-438e-bc9b-7cf2e198f679/bin-2019/utaipan/data/21ff2cce1/446ee344ed0d4bcfaa4141f280359adb/FLAG5ed641657 [2018-12-02 14:46:42,564 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:46:42,565 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_75fb203e-1f24-438e-bc9b-7cf2e198f679/sv-benchmarks/c/eca-rers2012/Problem11_label23_true-unreach-call.c [2018-12-02 14:46:42,575 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_75fb203e-1f24-438e-bc9b-7cf2e198f679/bin-2019/utaipan/data/21ff2cce1/446ee344ed0d4bcfaa4141f280359adb/FLAG5ed641657 [2018-12-02 14:46:43,066 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_75fb203e-1f24-438e-bc9b-7cf2e198f679/bin-2019/utaipan/data/21ff2cce1/446ee344ed0d4bcfaa4141f280359adb [2018-12-02 14:46:43,067 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:46:43,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:46:43,069 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:46:43,069 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:46:43,071 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:46:43,071 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:46:43" (1/1) ... [2018-12-02 14:46:43,073 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@343f3083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:43, skipping insertion in model container [2018-12-02 14:46:43,073 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:46:43" (1/1) ... [2018-12-02 14:46:43,078 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:46:43,113 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:46:43,373 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:46:43,376 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:46:43,518 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:46:43,527 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:46:43,527 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:43 WrapperNode [2018-12-02 14:46:43,527 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:46:43,528 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:46:43,528 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:46:43,528 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:46:43,533 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:43" (1/1) ... [2018-12-02 14:46:43,545 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:43" (1/1) ... [2018-12-02 14:46:43,549 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:46:43,549 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:46:43,549 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:46:43,549 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:46:43,556 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:43" (1/1) ... [2018-12-02 14:46:43,556 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:43" (1/1) ... [2018-12-02 14:46:43,560 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:43" (1/1) ... [2018-12-02 14:46:43,560 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:43" (1/1) ... [2018-12-02 14:46:43,582 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:43" (1/1) ... [2018-12-02 14:46:43,589 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:43" (1/1) ... [2018-12-02 14:46:43,594 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:43" (1/1) ... [2018-12-02 14:46:43,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:46:43,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:46:43,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:46:43,601 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:46:43,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:43" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_75fb203e-1f24-438e-bc9b-7cf2e198f679/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 14:46:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 14:46:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 14:46:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 14:46:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 14:46:43,641 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:46:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:46:43,642 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 14:46:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 14:46:44,616 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:46:44,616 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 14:46:44,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:46:44 BoogieIcfgContainer [2018-12-02 14:46:44,616 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:46:44,617 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 14:46:44,617 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 14:46:44,619 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 14:46:44,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:46:43" (1/3) ... [2018-12-02 14:46:44,619 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d452dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:46:44, skipping insertion in model container [2018-12-02 14:46:44,619 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:46:43" (2/3) ... [2018-12-02 14:46:44,620 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53d452dd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:46:44, skipping insertion in model container [2018-12-02 14:46:44,620 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:46:44" (3/3) ... [2018-12-02 14:46:44,621 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label23_true-unreach-call.c [2018-12-02 14:46:44,626 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 14:46:44,631 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 14:46:44,640 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 14:46:44,660 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 14:46:44,660 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 14:46:44,661 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 14:46:44,661 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 14:46:44,661 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 14:46:44,661 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 14:46:44,661 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 14:46:44,661 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 14:46:44,676 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2018-12-02 14:46:44,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 14:46:44,681 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:46:44,681 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:46:44,682 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:46:44,686 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:46:44,686 INFO L82 PathProgramCache]: Analyzing trace with hash -1552063366, now seen corresponding path program 1 times [2018-12-02 14:46:44,687 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:46:44,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:46:44,716 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:46:44,716 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:46:44,716 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:46:44,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:46:44,879 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:46:44,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:46:44,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 14:46:44,881 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:46:44,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 14:46:44,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 14:46:44,893 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 14:46:44,894 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 3 states. [2018-12-02 14:46:45,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:46:45,636 INFO L93 Difference]: Finished difference Result 779 states and 1369 transitions. [2018-12-02 14:46:45,636 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 14:46:45,637 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 71 [2018-12-02 14:46:45,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:46:45,645 INFO L225 Difference]: With dead ends: 779 [2018-12-02 14:46:45,645 INFO L226 Difference]: Without dead ends: 425 [2018-12-02 14:46:45,648 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 14:46:45,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-12-02 14:46:45,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 420. [2018-12-02 14:46:45,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2018-12-02 14:46:45,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 666 transitions. [2018-12-02 14:46:45,687 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 666 transitions. Word has length 71 [2018-12-02 14:46:45,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:46:45,688 INFO L480 AbstractCegarLoop]: Abstraction has 420 states and 666 transitions. [2018-12-02 14:46:45,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 14:46:45,688 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 666 transitions. [2018-12-02 14:46:45,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-02 14:46:45,690 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:46:45,690 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:46:45,691 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:46:45,691 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:46:45,691 INFO L82 PathProgramCache]: Analyzing trace with hash 1937579030, now seen corresponding path program 1 times [2018-12-02 14:46:45,691 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:46:45,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:46:45,692 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:46:45,692 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:46:45,692 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:46:45,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:46:45,803 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:46:45,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:46:45,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 14:46:45,804 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:46:45,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 14:46:45,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 14:46:45,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-12-02 14:46:45,806 INFO L87 Difference]: Start difference. First operand 420 states and 666 transitions. Second operand 6 states. [2018-12-02 14:46:47,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:46:47,104 INFO L93 Difference]: Finished difference Result 1665 states and 2806 transitions. [2018-12-02 14:46:47,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-02 14:46:47,104 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 141 [2018-12-02 14:46:47,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:46:47,113 INFO L225 Difference]: With dead ends: 1665 [2018-12-02 14:46:47,113 INFO L226 Difference]: Without dead ends: 1251 [2018-12-02 14:46:47,115 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2018-12-02 14:46:47,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1251 states. [2018-12-02 14:46:47,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1251 to 1217. [2018-12-02 14:46:47,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1217 states. [2018-12-02 14:46:47,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 1217 states and 1739 transitions. [2018-12-02 14:46:47,162 INFO L78 Accepts]: Start accepts. Automaton has 1217 states and 1739 transitions. Word has length 141 [2018-12-02 14:46:47,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:46:47,162 INFO L480 AbstractCegarLoop]: Abstraction has 1217 states and 1739 transitions. [2018-12-02 14:46:47,163 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 14:46:47,163 INFO L276 IsEmpty]: Start isEmpty. Operand 1217 states and 1739 transitions. [2018-12-02 14:46:47,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-02 14:46:47,166 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:46:47,166 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:46:47,166 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:46:47,167 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:46:47,167 INFO L82 PathProgramCache]: Analyzing trace with hash 1983928202, now seen corresponding path program 1 times [2018-12-02 14:46:47,167 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:46:47,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:46:47,168 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:46:47,168 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:46:47,168 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:46:47,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:46:47,272 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:46:47,272 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:46:47,272 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 14:46:47,273 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:46:47,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 14:46:47,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 14:46:47,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2018-12-02 14:46:47,274 INFO L87 Difference]: Start difference. First operand 1217 states and 1739 transitions. Second operand 6 states. [2018-12-02 14:46:48,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:46:48,246 INFO L93 Difference]: Finished difference Result 3450 states and 5148 transitions. [2018-12-02 14:46:48,246 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 14:46:48,246 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 151 [2018-12-02 14:46:48,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:46:48,256 INFO L225 Difference]: With dead ends: 3450 [2018-12-02 14:46:48,256 INFO L226 Difference]: Without dead ends: 2239 [2018-12-02 14:46:48,260 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-02 14:46:48,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2239 states. [2018-12-02 14:46:48,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2239 to 2212. [2018-12-02 14:46:48,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2212 states. [2018-12-02 14:46:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2212 states to 2212 states and 3012 transitions. [2018-12-02 14:46:48,301 INFO L78 Accepts]: Start accepts. Automaton has 2212 states and 3012 transitions. Word has length 151 [2018-12-02 14:46:48,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:46:48,301 INFO L480 AbstractCegarLoop]: Abstraction has 2212 states and 3012 transitions. [2018-12-02 14:46:48,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 14:46:48,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2212 states and 3012 transitions. [2018-12-02 14:46:48,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-02 14:46:48,305 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:46:48,305 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:46:48,305 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:46:48,305 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:46:48,305 INFO L82 PathProgramCache]: Analyzing trace with hash -1698562555, now seen corresponding path program 1 times [2018-12-02 14:46:48,305 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:46:48,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:46:48,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:46:48,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:46:48,306 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:46:48,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:46:48,418 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 196 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:46:48,418 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:46:48,418 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 14:46:48,419 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-12-02 14:46:48,420 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [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], [477], [479], [482], [490], [495], [498], [499], [503], [507], [510], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-02 14:46:48,444 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 14:46:48,444 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 14:46:48,814 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 14:46:48,815 INFO L272 AbstractInterpreter]: Visited 78 different actions 78 times. Never merged. Never widened. Performed 824 root evaluator evaluations with a maximum evaluation depth of 16. Performed 824 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Never found a fixpoint. Largest state had 28 variables. [2018-12-02 14:46:48,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:46:48,821 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 14:46:49,220 INFO L227 lantSequenceWeakener]: Weakened 205 states. On average, predicates are now at 73.94% of their original sizes. [2018-12-02 14:46:49,220 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 14:46:49,247 INFO L418 sIntCurrentIteration]: We unified 213 AI predicates to 213 [2018-12-02 14:46:49,247 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 14:46:49,248 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 14:46:49,248 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-02 14:46:49,248 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:46:49,248 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 14:46:49,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 14:46:49,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 14:46:49,249 INFO L87 Difference]: Start difference. First operand 2212 states and 3012 transitions. Second operand 6 states. [2018-12-02 14:47:16,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:47:16,931 INFO L93 Difference]: Finished difference Result 4608 states and 6229 transitions. [2018-12-02 14:47:16,931 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 14:47:16,931 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 214 [2018-12-02 14:47:16,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:47:16,940 INFO L225 Difference]: With dead ends: 4608 [2018-12-02 14:47:16,940 INFO L226 Difference]: Without dead ends: 2402 [2018-12-02 14:47:16,945 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 214 GetRequests, 209 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 14:47:16,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2402 states. [2018-12-02 14:47:16,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2402 to 2401. [2018-12-02 14:47:16,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2401 states. [2018-12-02 14:47:16,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2401 states to 2401 states and 3210 transitions. [2018-12-02 14:47:16,981 INFO L78 Accepts]: Start accepts. Automaton has 2401 states and 3210 transitions. Word has length 214 [2018-12-02 14:47:16,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:47:16,982 INFO L480 AbstractCegarLoop]: Abstraction has 2401 states and 3210 transitions. [2018-12-02 14:47:16,982 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 14:47:16,982 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 3210 transitions. [2018-12-02 14:47:16,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2018-12-02 14:47:16,984 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:47:16,984 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 14:47:16,985 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:47:16,985 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:47:16,985 INFO L82 PathProgramCache]: Analyzing trace with hash -2131097488, now seen corresponding path program 1 times [2018-12-02 14:47:16,985 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:47:16,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:47:16,986 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:47:16,986 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:47:16,986 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:47:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:47:17,084 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-02 14:47:17,085 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:47:17,085 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 14:47:17,085 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:47:17,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 14:47:17,086 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 14:47:17,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 14:47:17,086 INFO L87 Difference]: Start difference. First operand 2401 states and 3210 transitions. Second operand 3 states. [2018-12-02 14:47:17,594 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:47:17,594 INFO L93 Difference]: Finished difference Result 5769 states and 8128 transitions. [2018-12-02 14:47:17,595 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 14:47:17,595 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 267 [2018-12-02 14:47:17,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:47:17,607 INFO L225 Difference]: With dead ends: 5769 [2018-12-02 14:47:17,607 INFO L226 Difference]: Without dead ends: 3563 [2018-12-02 14:47:17,612 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 14:47:17,615 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3563 states. [2018-12-02 14:47:17,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3563 to 3369. [2018-12-02 14:47:17,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3369 states. [2018-12-02 14:47:17,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3369 states to 3369 states and 4673 transitions. [2018-12-02 14:47:17,673 INFO L78 Accepts]: Start accepts. Automaton has 3369 states and 4673 transitions. Word has length 267 [2018-12-02 14:47:17,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:47:17,673 INFO L480 AbstractCegarLoop]: Abstraction has 3369 states and 4673 transitions. [2018-12-02 14:47:17,673 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 14:47:17,674 INFO L276 IsEmpty]: Start isEmpty. Operand 3369 states and 4673 transitions. [2018-12-02 14:47:17,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-02 14:47:17,677 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:47:17,678 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:47:17,678 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:47:17,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:47:17,678 INFO L82 PathProgramCache]: Analyzing trace with hash 624431733, now seen corresponding path program 1 times [2018-12-02 14:47:17,678 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:47:17,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:47:17,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:47:17,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:47:17,679 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:47:17,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:47:17,786 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 14:47:17,786 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:47:17,787 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 14:47:17,787 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:47:17,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 14:47:17,787 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 14:47:17,787 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 14:47:17,788 INFO L87 Difference]: Start difference. First operand 3369 states and 4673 transitions. Second operand 3 states. [2018-12-02 14:47:18,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:47:18,258 INFO L93 Difference]: Finished difference Result 8080 states and 11745 transitions. [2018-12-02 14:47:18,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 14:47:18,259 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 309 [2018-12-02 14:47:18,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:47:18,269 INFO L225 Difference]: With dead ends: 8080 [2018-12-02 14:47:18,270 INFO L226 Difference]: Without dead ends: 4906 [2018-12-02 14:47:18,274 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 14:47:18,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4906 states. [2018-12-02 14:47:18,335 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4906 to 4718. [2018-12-02 14:47:18,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4718 states. [2018-12-02 14:47:18,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4718 states to 4718 states and 6712 transitions. [2018-12-02 14:47:18,342 INFO L78 Accepts]: Start accepts. Automaton has 4718 states and 6712 transitions. Word has length 309 [2018-12-02 14:47:18,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:47:18,342 INFO L480 AbstractCegarLoop]: Abstraction has 4718 states and 6712 transitions. [2018-12-02 14:47:18,342 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 14:47:18,342 INFO L276 IsEmpty]: Start isEmpty. Operand 4718 states and 6712 transitions. [2018-12-02 14:47:18,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-12-02 14:47:18,346 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:47:18,347 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:47:18,347 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:47:18,347 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:47:18,347 INFO L82 PathProgramCache]: Analyzing trace with hash -1568781761, now seen corresponding path program 1 times [2018-12-02 14:47:18,347 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:47:18,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:47:18,348 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:47:18,348 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:47:18,348 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:47:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:47:18,502 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 132 proven. 104 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 14:47:18,502 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:47:18,502 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 14:47:18,502 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 316 with the following transitions: [2018-12-02 14:47:18,503 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [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], [477], [479], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [669], [674], [676], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-02 14:47:18,505 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 14:47:18,506 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 14:47:18,743 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 14:47:18,743 INFO L272 AbstractInterpreter]: Visited 142 different actions 415 times. Merged at 6 different actions 13 times. Never widened. Performed 5714 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5714 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-02 14:47:18,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:47:18,745 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 14:47:18,745 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 14:47:18,745 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_75fb203e-1f24-438e-bc9b-7cf2e198f679/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 14:47:18,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:47:18,804 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 14:47:18,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:47:18,877 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 14:47:22,201 WARN L180 SmtUtils]: Spent 892.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2018-12-02 14:47:22,272 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 132 proven. 2 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-12-02 14:47:22,273 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 14:47:22,402 INFO L134 CoverageAnalysis]: Checked inductivity of 239 backedges. 237 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:47:22,418 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 14:47:22,418 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 5] total 13 [2018-12-02 14:47:22,418 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 14:47:22,418 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 14:47:22,419 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 14:47:22,419 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=106, Unknown=2, NotChecked=0, Total=156 [2018-12-02 14:47:22,419 INFO L87 Difference]: Start difference. First operand 4718 states and 6712 transitions. Second operand 11 states. [2018-12-02 14:47:25,462 WARN L180 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 27 DAG size of output: 13 [2018-12-02 14:47:49,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:47:49,597 INFO L93 Difference]: Finished difference Result 12127 states and 18815 transitions. [2018-12-02 14:47:49,597 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-02 14:47:49,597 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 315 [2018-12-02 14:47:49,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:47:49,616 INFO L225 Difference]: With dead ends: 12127 [2018-12-02 14:47:49,616 INFO L226 Difference]: Without dead ends: 7604 [2018-12-02 14:47:49,625 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 654 GetRequests, 625 SyntacticMatches, 4 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 154 ImplicationChecksByTransitivity, 5.8s TimeCoverageRelationStatistics Valid=209, Invalid=491, Unknown=2, NotChecked=0, Total=702 [2018-12-02 14:47:49,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7604 states. [2018-12-02 14:47:49,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7604 to 7172. [2018-12-02 14:47:49,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7172 states. [2018-12-02 14:47:49,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7172 states to 7172 states and 10760 transitions. [2018-12-02 14:47:49,762 INFO L78 Accepts]: Start accepts. Automaton has 7172 states and 10760 transitions. Word has length 315 [2018-12-02 14:47:49,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:47:49,763 INFO L480 AbstractCegarLoop]: Abstraction has 7172 states and 10760 transitions. [2018-12-02 14:47:49,763 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 14:47:49,763 INFO L276 IsEmpty]: Start isEmpty. Operand 7172 states and 10760 transitions. [2018-12-02 14:47:49,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-02 14:47:49,768 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 14:47:49,768 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 14:47:49,768 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 14:47:49,768 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:47:49,768 INFO L82 PathProgramCache]: Analyzing trace with hash -462355806, now seen corresponding path program 1 times [2018-12-02 14:47:49,768 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 14:47:49,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:47:49,769 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 14:47:49,769 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 14:47:49,769 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 14:47:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:47:49,880 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 131 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-12-02 14:47:49,880 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 14:47:49,881 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 14:47:49,881 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 14:47:49,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 14:47:49,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 14:47:49,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 14:47:49,881 INFO L87 Difference]: Start difference. First operand 7172 states and 10760 transitions. Second operand 4 states. [2018-12-02 14:47:50,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 14:47:50,676 INFO L93 Difference]: Finished difference Result 15731 states and 24992 transitions. [2018-12-02 14:47:50,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 14:47:50,676 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 317 [2018-12-02 14:47:50,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 14:47:50,676 INFO L225 Difference]: With dead ends: 15731 [2018-12-02 14:47:50,677 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 14:47:50,693 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 14:47:50,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 14:47:50,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 14:47:50,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 14:47:50,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 14:47:50,694 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 317 [2018-12-02 14:47:50,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 14:47:50,694 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 14:47:50,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 14:47:50,694 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 14:47:50,694 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 14:47:50,697 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 14:47:50,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:47:50,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:47:50,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 14:47:51,016 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 55 [2018-12-02 14:47:51,122 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 14:47:51,122 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|)) [2018-12-02 14:47:51,122 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 14:47:51,122 INFO L448 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-12-02 14:47:51,122 INFO L448 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-12-02 14:47:51,122 INFO L448 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-12-02 14:47:51,123 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,123 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,123 INFO L448 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,123 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,123 INFO L448 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,123 INFO L448 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,123 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,123 INFO L448 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-12-02 14:47:51,123 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-12-02 14:47:51,123 INFO L448 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-12-02 14:47:51,123 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,123 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,123 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,123 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,123 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,124 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,124 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,124 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,124 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,124 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-12-02 14:47:51,124 INFO L448 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-12-02 14:47:51,124 INFO L448 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-12-02 14:47:51,124 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,124 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,124 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,124 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,124 INFO L448 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,124 INFO L448 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,124 INFO L448 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,124 INFO L448 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,125 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,125 INFO L448 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-12-02 14:47:51,125 INFO L448 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-12-02 14:47:51,125 INFO L448 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-12-02 14:47:51,125 INFO L448 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2018-12-02 14:47:51,125 INFO L448 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-12-02 14:47:51,125 INFO L448 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2018-12-02 14:47:51,125 INFO L448 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2018-12-02 14:47:51,125 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,125 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,125 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,125 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,125 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,125 INFO L448 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,125 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,125 INFO L448 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,126 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,126 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,126 INFO L448 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-12-02 14:47:51,126 INFO L448 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-12-02 14:47:51,126 INFO L448 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-12-02 14:47:51,126 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,126 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,126 INFO L448 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,126 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,126 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,126 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-12-02 14:47:51,126 INFO L448 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-12-02 14:47:51,126 INFO L448 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-12-02 14:47:51,126 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,126 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,126 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,127 INFO L448 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,127 INFO L448 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,127 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2018-12-02 14:47:51,127 INFO L448 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2018-12-02 14:47:51,127 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,127 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,127 INFO L448 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,127 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,127 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,127 INFO L448 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,127 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2018-12-02 14:47:51,127 INFO L448 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2018-12-02 14:47:51,127 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,127 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,127 INFO L448 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-12-02 14:47:51,127 INFO L448 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-12-02 14:47:51,127 INFO L448 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-12-02 14:47:51,128 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,128 INFO L448 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,128 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,128 INFO L448 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,128 INFO L448 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,128 INFO L448 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,128 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,128 INFO L448 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-12-02 14:47:51,128 INFO L448 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-12-02 14:47:51,128 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-12-02 14:47:51,128 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2018-12-02 14:47:51,128 INFO L448 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2018-12-02 14:47:51,128 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2018-12-02 14:47:51,128 INFO L448 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2018-12-02 14:47:51,128 INFO L448 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,128 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,128 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2018-12-02 14:47:51,129 INFO L448 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2018-12-02 14:47:51,129 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,129 INFO L448 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,129 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,129 INFO L448 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,129 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse0 (= ~a29~0 |old(~a29~0)|)) (.cse1 (= ~a23~0 |old(~a23~0)|))) (let ((.cse2 (= 1 |old(~a4~0)|)) (.cse3 (= ~a4~0 1)) (.cse4 (and .cse0 .cse1))) (and (or (and .cse0 .cse1 (not (= ~a25~0 13))) (= 13 |old(~a25~0)|)) (or (not (= 10 |old(~a25~0)|)) (= |calculate_output_#in~input| 0) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (not (= 312 |old(~a23~0)|)) (not .cse2) (and .cse3 (= ~a25~0 10)) (not (= 130 |old(~a29~0)|))) (or .cse2 (and .cse0 .cse1 (not .cse3))) (or (< |old(~a29~0)| 141) .cse4) (or (< |old(~a23~0)| 165) .cse4)))) [2018-12-02 14:47:51,129 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,129 INFO L448 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-12-02 14:47:51,129 INFO L448 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-12-02 14:47:51,129 INFO L448 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-12-02 14:47:51,129 INFO L448 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,129 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,129 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,130 INFO L448 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,130 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,130 INFO L448 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,130 INFO L448 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-12-02 14:47:51,130 INFO L448 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-12-02 14:47:51,130 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-02 14:47:51,130 INFO L448 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,130 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,130 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,130 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,130 INFO L448 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,130 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,130 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,130 INFO L448 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,130 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-12-02 14:47:51,130 INFO L448 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-12-02 14:47:51,130 INFO L448 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-12-02 14:47:51,131 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,131 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,131 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,131 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,131 INFO L448 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,131 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,131 INFO L448 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,131 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,131 INFO L448 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,131 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 201) no Hoare annotation was computed. [2018-12-02 14:47:51,131 INFO L448 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,131 INFO L448 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,131 INFO L448 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2018-12-02 14:47:51,131 INFO L448 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2018-12-02 14:47:51,131 INFO L448 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-12-02 14:47:51,131 INFO L448 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-12-02 14:47:51,132 INFO L448 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-12-02 14:47:51,132 INFO L448 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,132 INFO L448 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,132 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,132 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,132 INFO L448 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,132 INFO L448 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,132 INFO L448 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,132 INFO L448 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-12-02 14:47:51,132 INFO L448 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-12-02 14:47:51,132 INFO L448 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-12-02 14:47:51,132 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,132 INFO L448 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,132 INFO L448 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,132 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2018-12-02 14:47:51,132 INFO L448 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2018-12-02 14:47:51,133 INFO L448 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,133 INFO L448 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,133 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,133 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,133 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,133 INFO L448 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-12-02 14:47:51,133 INFO L448 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-12-02 14:47:51,133 INFO L448 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,133 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,133 INFO L448 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2018-12-02 14:47:51,133 INFO L448 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2018-12-02 14:47:51,133 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,133 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,133 INFO L448 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,133 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,133 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,133 INFO L448 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,134 INFO L448 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-12-02 14:47:51,134 INFO L448 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-12-02 14:47:51,134 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2018-12-02 14:47:51,134 INFO L448 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2018-12-02 14:47:51,134 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,134 INFO L448 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,134 INFO L448 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,134 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,134 INFO L448 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,134 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,134 INFO L448 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,134 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,134 INFO L448 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-12-02 14:47:51,134 INFO L448 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-12-02 14:47:51,134 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2018-12-02 14:47:51,134 INFO L448 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2018-12-02 14:47:51,134 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2018-12-02 14:47:51,135 INFO L448 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2018-12-02 14:47:51,135 INFO L448 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,135 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,135 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,135 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,135 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,135 INFO L448 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,135 INFO L448 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,135 INFO L448 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-12-02 14:47:51,135 INFO L448 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-12-02 14:47:51,135 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,135 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,135 INFO L448 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,135 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,135 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,135 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,135 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,135 INFO L448 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-12-02 14:47:51,136 INFO L448 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-12-02 14:47:51,136 INFO L448 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,136 INFO L448 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,136 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,136 INFO L448 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,136 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,136 INFO L448 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,136 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,136 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2018-12-02 14:47:51,136 INFO L448 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,136 INFO L448 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,136 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,136 INFO L448 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-12-02 14:47:51,136 INFO L448 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-12-02 14:47:51,136 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-12-02 14:47:51,136 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,136 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2018-12-02 14:47:51,137 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,137 INFO L448 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2018-12-02 14:47:51,137 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,137 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,137 INFO L448 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,137 INFO L448 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,137 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,137 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,137 INFO L448 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-12-02 14:47:51,137 INFO L448 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-12-02 14:47:51,137 INFO L448 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-12-02 14:47:51,137 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,137 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,137 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,137 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,137 INFO L448 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,137 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,138 INFO L448 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,138 INFO L448 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,138 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,138 INFO L448 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,138 INFO L448 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-12-02 14:47:51,138 INFO L448 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-12-02 14:47:51,138 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-12-02 14:47:51,138 INFO L448 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,138 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2018-12-02 14:47:51,138 INFO L448 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2018-12-02 14:47:51,138 INFO L448 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,138 INFO L448 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,138 INFO L448 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,138 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,138 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,138 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,139 INFO L448 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-12-02 14:47:51,139 INFO L448 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-12-02 14:47:51,139 INFO L448 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-12-02 14:47:51,139 INFO L448 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,139 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,139 INFO L448 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,139 INFO L448 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,139 INFO L448 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2018-12-02 14:47:51,139 INFO L448 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2018-12-02 14:47:51,139 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,139 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,139 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2018-12-02 14:47:51,139 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,139 INFO L448 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,139 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2018-12-02 14:47:51,139 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 14:47:51,140 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a23~0 312) (= ~a8~0 15) (= ~a4~0 1) (<= ~a29~0 130) (<= 130 ~a29~0) (= ~a25~0 10) (= ~a3~0 1)) [2018-12-02 14:47:51,140 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 14:47:51,140 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 14:47:51,140 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= 10 |old(~a25~0)|)) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (not (= 312 |old(~a23~0)|)) (and (= ~a4~0 1) (<= 130 ~a29~0) (= ~a25~0 10) (= ~a23~0 312) (<= ~a29~0 130)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|))) [2018-12-02 14:47:51,140 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2018-12-02 14:47:51,140 INFO L444 ceAbstractionStarter]: At program point L1042(line 1042) the Hoare annotation is: (or (not (= 10 |old(~a25~0)|)) (not (= ~a25~0 13)) (<= 141 ~a29~0) (<= 165 ~a23~0) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (not (= 312 |old(~a23~0)|)) (not (= ~a4~0 1)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|))) [2018-12-02 14:47:51,140 INFO L448 ceAbstractionStarter]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2018-12-02 14:47:51,140 INFO L448 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2018-12-02 14:47:51,140 INFO L444 ceAbstractionStarter]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (or (not (= 10 |old(~a25~0)|)) (not (= ~a25~0 13)) (<= 141 ~a29~0) (<= 165 ~a23~0) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (not (= 312 |old(~a23~0)|)) (not (= ~a4~0 1)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|))) [2018-12-02 14:47:51,140 INFO L448 ceAbstractionStarter]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2018-12-02 14:47:51,146 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:47:51 BoogieIcfgContainer [2018-12-02 14:47:51,146 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 14:47:51,146 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 14:47:51,147 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 14:47:51,147 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 14:47:51,147 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:46:44" (3/4) ... [2018-12-02 14:47:51,149 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 14:47:51,152 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 14:47:51,152 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 14:47:51,152 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 14:47:51,160 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 14:47:51,161 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 14:47:51,178 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(10 == \old(a25)) || !(a25 == 13)) || 141 <= a29) || 165 <= a23) || !(15 == a8)) || !(1 == a3)) || !(312 == \old(a23))) || !(a4 == 1)) || !(1 == \old(a4))) || !(130 == \old(a29)) [2018-12-02 14:47:51,251 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_75fb203e-1f24-438e-bc9b-7cf2e198f679/bin-2019/utaipan/witness.graphml [2018-12-02 14:47:51,251 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 14:47:51,251 INFO L168 Benchmark]: Toolchain (without parser) took 68183.58 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 4.0 GB). Free memory was 941.6 MB in the beginning and 2.9 GB in the end (delta: -2.0 GB). Peak memory consumption was 2.0 GB. Max. memory is 11.5 GB. [2018-12-02 14:47:51,252 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:47:51,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. [2018-12-02 14:47:51,252 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.32 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-02 14:47:51,252 INFO L168 Benchmark]: Boogie Preprocessor took 51.01 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-02 14:47:51,252 INFO L168 Benchmark]: RCFGBuilder took 1015.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 933.6 MB in the end (delta: 168.6 MB). Peak memory consumption was 168.6 MB. Max. memory is 11.5 GB. [2018-12-02 14:47:51,252 INFO L168 Benchmark]: TraceAbstraction took 66529.35 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 933.6 MB in the beginning and 3.0 GB in the end (delta: -2.1 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-12-02 14:47:51,253 INFO L168 Benchmark]: Witness Printer took 104.25 ms. Allocated memory is still 5.0 GB. Free memory was 3.0 GB in the beginning and 2.9 GB in the end (delta: 80.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 11.5 GB. [2018-12-02 14:47:51,254 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 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 458.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -170.8 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 21.32 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 51.01 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1015.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 933.6 MB in the end (delta: 168.6 MB). Peak memory consumption was 168.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 66529.35 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 933.6 MB in the beginning and 3.0 GB in the end (delta: -2.1 GB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 104.25 ms. Allocated memory is still 5.0 GB. Free memory was 3.0 GB in the beginning and 2.9 GB in the end (delta: 80.6 MB). Peak memory consumption was 80.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 201]: 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: 1034]: Loop Invariant Derived loop invariant: ((((((((!(10 == \old(a25)) || !(a25 == 13)) || 141 <= a29) || 165 <= a23) || !(15 == a8)) || !(1 == a3)) || !(312 == \old(a23))) || !(a4 == 1)) || !(1 == \old(a4))) || !(130 == \old(a29)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. SAFE Result, 66.4s OverallTime, 8 OverallIterations, 3 TraceHistogramMax, 59.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1162 SDtfs, 4082 SDslu, 651 SDs, 0 SdLazy, 9178 SolverSat, 1976 SolverUnsat, 10 SolverUnknown, 0 SolverNotchecked, 53.5s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 906 GetRequests, 851 SyntacticMatches, 7 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 161 ImplicationChecksByTransitivity, 6.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7172occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 2 AbstIntIterations, 1 AbstIntStrong, 0.997774768267726 AbsIntWeakeningRatio, 0.13145539906103287 AbsIntAvgWeakeningVarsNumRemoved, 18.366197183098592 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 881 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 233 PreInvPairs, 391 NumberOfFragments, 239 HoareAnnotationTreeSize, 233 FomulaSimplifications, 6902 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1876 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 2100 NumberOfCodeBlocks, 2100 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 2405 ConstructedInterpolants, 3 QuantifiedInterpolants, 1716119 SizeOfPredicates, 2 NumberOfNonLiveVariables, 526 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 10 InterpolantComputations, 6 PerfectInterpolantSequences, 1620/1730 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...