./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b6358888-52fb-49d6-9954-317f63c253d2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b6358888-52fb-49d6-9954-317f63c253d2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b6358888-52fb-49d6-9954-317f63c253d2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b6358888-52fb-49d6-9954-317f63c253d2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_b6358888-52fb-49d6-9954-317f63c253d2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b6358888-52fb-49d6-9954-317f63c253d2/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 79f8d22fb07c95427dd318f6d0f74f02d2c9197f .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 17:52:00,740 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 17:52:00,741 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 17:52:00,749 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 17:52:00,749 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 17:52:00,750 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 17:52:00,750 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 17:52:00,752 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 17:52:00,753 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 17:52:00,753 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 17:52:00,754 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 17:52:00,754 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 17:52:00,756 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 17:52:00,757 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 17:52:00,758 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 17:52:00,758 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 17:52:00,759 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 17:52:00,761 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 17:52:00,762 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 17:52:00,764 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 17:52:00,765 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 17:52:00,766 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 17:52:00,768 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 17:52:00,768 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 17:52:00,768 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 17:52:00,769 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 17:52:00,769 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 17:52:00,770 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 17:52:00,770 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 17:52:00,771 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 17:52:00,772 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 17:52:00,773 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 17:52:00,773 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 17:52:00,773 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 17:52:00,774 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 17:52:00,774 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 17:52:00,774 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b6358888-52fb-49d6-9954-317f63c253d2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 17:52:00,785 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 17:52:00,786 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 17:52:00,786 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 17:52:00,786 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 17:52:00,786 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 17:52:00,786 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 17:52:00,787 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 17:52:00,787 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 17:52:00,787 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 17:52:00,787 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 17:52:00,787 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 17:52:00,787 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 17:52:00,787 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 17:52:00,788 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 17:52:00,788 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 17:52:00,788 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 17:52:00,788 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 17:52:00,788 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 17:52:00,788 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 17:52:00,789 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 17:52:00,789 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 17:52:00,789 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 17:52:00,789 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 17:52:00,789 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 17:52:00,789 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 17:52:00,789 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 17:52:00,789 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 17:52:00,790 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 17:52:00,790 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 17:52:00,790 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:52:00,790 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 17:52:00,790 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 17:52:00,790 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 17:52:00,790 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 17:52:00,791 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 17:52:00,791 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 17:52:00,791 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 17:52:00,791 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_b6358888-52fb-49d6-9954-317f63c253d2/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 -> 79f8d22fb07c95427dd318f6d0f74f02d2c9197f [2018-11-18 17:52:00,815 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 17:52:00,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 17:52:00,829 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 17:52:00,830 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 17:52:00,831 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 17:52:00,831 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b6358888-52fb-49d6-9954-317f63c253d2/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-11-18 17:52:00,878 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b6358888-52fb-49d6-9954-317f63c253d2/bin-2019/utaipan/data/91a66b93e/fc4c3f4bdefd468c9245680a41bf8ecd/FLAG2693bb89c [2018-11-18 17:52:01,266 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 17:52:01,266 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b6358888-52fb-49d6-9954-317f63c253d2/sv-benchmarks/c/eca-rers2012/Problem02_label02_true-unreach-call_false-termination.c [2018-11-18 17:52:01,276 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b6358888-52fb-49d6-9954-317f63c253d2/bin-2019/utaipan/data/91a66b93e/fc4c3f4bdefd468c9245680a41bf8ecd/FLAG2693bb89c [2018-11-18 17:52:01,642 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b6358888-52fb-49d6-9954-317f63c253d2/bin-2019/utaipan/data/91a66b93e/fc4c3f4bdefd468c9245680a41bf8ecd [2018-11-18 17:52:01,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 17:52:01,645 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 17:52:01,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 17:52:01,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 17:52:01,649 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 17:52:01,650 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:52:01" (1/1) ... [2018-11-18 17:52:01,652 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5fded83f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:01, skipping insertion in model container [2018-11-18 17:52:01,652 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 05:52:01" (1/1) ... [2018-11-18 17:52:01,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 17:52:01,734 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 17:52:02,156 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:52:02,160 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 17:52:02,302 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 17:52:02,345 INFO L195 MainTranslator]: Completed translation [2018-11-18 17:52:02,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:02 WrapperNode [2018-11-18 17:52:02,346 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 17:52:02,346 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 17:52:02,346 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 17:52:02,346 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 17:52:02,354 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:02" (1/1) ... [2018-11-18 17:52:02,387 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:02" (1/1) ... [2018-11-18 17:52:02,488 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 17:52:02,489 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 17:52:02,489 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 17:52:02,489 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 17:52:02,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:02" (1/1) ... [2018-11-18 17:52:02,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:02" (1/1) ... [2018-11-18 17:52:02,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:02" (1/1) ... [2018-11-18 17:52:02,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:02" (1/1) ... [2018-11-18 17:52:02,546 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:02" (1/1) ... [2018-11-18 17:52:02,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:02" (1/1) ... [2018-11-18 17:52:02,567 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:02" (1/1) ... [2018-11-18 17:52:02,584 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 17:52:02,584 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 17:52:02,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 17:52:02,584 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 17:52:02,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6358888-52fb-49d6-9954-317f63c253d2/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 17:52:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 17:52:02,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 17:52:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 17:52:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 17:52:02,643 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 17:52:02,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 17:52:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 17:52:02,645 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 17:52:02,645 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 17:52:03,691 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 17:52:03,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:52:03 BoogieIcfgContainer [2018-11-18 17:52:03,691 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 17:52:03,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 17:52:03,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 17:52:03,695 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 17:52:03,695 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 05:52:01" (1/3) ... [2018-11-18 17:52:03,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39bfd8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:52:03, skipping insertion in model container [2018-11-18 17:52:03,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 05:52:02" (2/3) ... [2018-11-18 17:52:03,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39bfd8e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 05:52:03, skipping insertion in model container [2018-11-18 17:52:03,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:52:03" (3/3) ... [2018-11-18 17:52:03,698 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label02_true-unreach-call_false-termination.c [2018-11-18 17:52:03,706 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 17:52:03,713 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 17:52:03,726 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 17:52:03,754 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 17:52:03,754 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 17:52:03,754 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 17:52:03,754 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 17:52:03,754 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 17:52:03,755 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 17:52:03,755 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 17:52:03,755 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 17:52:03,774 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 17:52:03,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 17:52:03,782 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:52:03,783 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:52:03,784 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:52:03,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:03,789 INFO L82 PathProgramCache]: Analyzing trace with hash -1835137400, now seen corresponding path program 1 times [2018-11-18 17:52:03,791 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:52:03,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:03,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:03,833 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:03,833 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:04,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:04,150 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:52:04,151 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 17:52:04,151 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:52:04,156 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 17:52:04,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 17:52:04,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:52:04,171 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 4 states. [2018-11-18 17:52:05,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:05,316 INFO L93 Difference]: Finished difference Result 788 states and 1373 transitions. [2018-11-18 17:52:05,317 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 17:52:05,318 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 100 [2018-11-18 17:52:05,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:05,332 INFO L225 Difference]: With dead ends: 788 [2018-11-18 17:52:05,333 INFO L226 Difference]: Without dead ends: 545 [2018-11-18 17:52:05,338 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 17:52:05,354 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 545 states. [2018-11-18 17:52:05,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 545 to 383. [2018-11-18 17:52:05,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-18 17:52:05,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 631 transitions. [2018-11-18 17:52:05,399 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 631 transitions. Word has length 100 [2018-11-18 17:52:05,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:05,399 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 631 transitions. [2018-11-18 17:52:05,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 17:52:05,399 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 631 transitions. [2018-11-18 17:52:05,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 17:52:05,404 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:52:05,404 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:52:05,404 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:52:05,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:05,405 INFO L82 PathProgramCache]: Analyzing trace with hash -1881867499, now seen corresponding path program 1 times [2018-11-18 17:52:05,405 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:52:05,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:05,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:05,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:05,406 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:05,563 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:52:05,564 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 17:52:05,564 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 17:52:05,564 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:52:05,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:52:05,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:52:05,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:52:05,566 INFO L87 Difference]: Start difference. First operand 383 states and 631 transitions. Second operand 3 states. [2018-11-18 17:52:06,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:06,038 INFO L93 Difference]: Finished difference Result 1060 states and 1817 transitions. [2018-11-18 17:52:06,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:52:06,039 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 109 [2018-11-18 17:52:06,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:06,043 INFO L225 Difference]: With dead ends: 1060 [2018-11-18 17:52:06,043 INFO L226 Difference]: Without dead ends: 683 [2018-11-18 17:52:06,045 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 17:52:06,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2018-11-18 17:52:06,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 678. [2018-11-18 17:52:06,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 678 states. [2018-11-18 17:52:06,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 678 states and 1078 transitions. [2018-11-18 17:52:06,072 INFO L78 Accepts]: Start accepts. Automaton has 678 states and 1078 transitions. Word has length 109 [2018-11-18 17:52:06,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:06,073 INFO L480 AbstractCegarLoop]: Abstraction has 678 states and 1078 transitions. [2018-11-18 17:52:06,073 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:52:06,073 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 1078 transitions. [2018-11-18 17:52:06,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 17:52:06,076 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:52:06,076 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:52:06,077 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:52:06,077 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:06,077 INFO L82 PathProgramCache]: Analyzing trace with hash -1492540793, now seen corresponding path program 1 times [2018-11-18 17:52:06,077 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:52:06,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:06,078 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:06,078 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:06,078 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:06,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:06,219 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 17:52:06,219 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:52:06,219 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:52:06,220 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 140 with the following transitions: [2018-11-18 17:52:06,221 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [103], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:52:06,251 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:52:06,251 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:52:06,599 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:52:06,601 INFO L272 AbstractInterpreter]: Visited 101 different actions 101 times. Never merged. Never widened. Performed 1168 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1168 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-18 17:52:06,646 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:06,647 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:52:06,900 INFO L227 lantSequenceWeakener]: Weakened 130 states. On average, predicates are now at 80.65% of their original sizes. [2018-11-18 17:52:06,900 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:52:06,969 INFO L415 sIntCurrentIteration]: We unified 138 AI predicates to 138 [2018-11-18 17:52:06,969 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:52:06,970 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:52:06,970 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2018-11-18 17:52:06,970 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:52:06,971 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-18 17:52:06,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-18 17:52:06,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:52:06,971 INFO L87 Difference]: Start difference. First operand 678 states and 1078 transitions. Second operand 7 states. [2018-11-18 17:52:09,862 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:09,863 INFO L93 Difference]: Finished difference Result 1500 states and 2408 transitions. [2018-11-18 17:52:09,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 17:52:09,863 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 139 [2018-11-18 17:52:09,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:09,868 INFO L225 Difference]: With dead ends: 1500 [2018-11-18 17:52:09,868 INFO L226 Difference]: Without dead ends: 828 [2018-11-18 17:52:09,870 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 139 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-18 17:52:09,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-11-18 17:52:09,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 825. [2018-11-18 17:52:09,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 825 states. [2018-11-18 17:52:09,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1233 transitions. [2018-11-18 17:52:09,891 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1233 transitions. Word has length 139 [2018-11-18 17:52:09,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:09,891 INFO L480 AbstractCegarLoop]: Abstraction has 825 states and 1233 transitions. [2018-11-18 17:52:09,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-18 17:52:09,891 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1233 transitions. [2018-11-18 17:52:09,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 17:52:09,894 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:52:09,894 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:52:09,895 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:52:09,895 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:09,895 INFO L82 PathProgramCache]: Analyzing trace with hash -989712890, now seen corresponding path program 1 times [2018-11-18 17:52:09,895 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:52:09,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:09,896 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:09,896 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:09,896 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:09,997 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 46 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 17:52:09,997 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:52:09,997 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:52:09,998 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-11-18 17:52:09,998 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [103], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:52:10,002 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:52:10,002 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:52:10,355 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:52:10,356 INFO L272 AbstractInterpreter]: Visited 105 different actions 308 times. Merged at 7 different actions 15 times. Never widened. Performed 3603 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3603 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 17:52:10,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:10,372 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:52:10,713 INFO L227 lantSequenceWeakener]: Weakened 146 states. On average, predicates are now at 84.04% of their original sizes. [2018-11-18 17:52:10,713 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:52:10,803 INFO L415 sIntCurrentIteration]: We unified 148 AI predicates to 148 [2018-11-18 17:52:10,803 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:52:10,804 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:52:10,804 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-18 17:52:10,804 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:52:10,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:52:10,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:52:10,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:52:10,805 INFO L87 Difference]: Start difference. First operand 825 states and 1233 transitions. Second operand 9 states. [2018-11-18 17:52:14,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:14,263 INFO L93 Difference]: Finished difference Result 2460 states and 3842 transitions. [2018-11-18 17:52:14,263 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 17:52:14,263 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 149 [2018-11-18 17:52:14,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:14,269 INFO L225 Difference]: With dead ends: 2460 [2018-11-18 17:52:14,269 INFO L226 Difference]: Without dead ends: 1641 [2018-11-18 17:52:14,272 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 156 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-18 17:52:14,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1641 states. [2018-11-18 17:52:14,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1641 to 1610. [2018-11-18 17:52:14,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1610 states. [2018-11-18 17:52:14,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1610 states and 2201 transitions. [2018-11-18 17:52:14,304 INFO L78 Accepts]: Start accepts. Automaton has 1610 states and 2201 transitions. Word has length 149 [2018-11-18 17:52:14,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:14,305 INFO L480 AbstractCegarLoop]: Abstraction has 1610 states and 2201 transitions. [2018-11-18 17:52:14,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:52:14,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 2201 transitions. [2018-11-18 17:52:14,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 17:52:14,308 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:52:14,309 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:52:14,309 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:52:14,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:14,309 INFO L82 PathProgramCache]: Analyzing trace with hash -1110345706, now seen corresponding path program 1 times [2018-11-18 17:52:14,309 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:52:14,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:14,310 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:14,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:14,310 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:14,472 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 106 proven. 22 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-18 17:52:14,472 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:52:14,472 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:52:14,472 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 205 with the following transitions: [2018-11-18 17:52:14,473 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:52:14,476 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:52:14,476 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:52:14,620 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 17:52:14,621 INFO L272 AbstractInterpreter]: Visited 105 different actions 204 times. Merged at 5 different actions 5 times. Never widened. Performed 2306 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2306 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-18 17:52:14,622 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:14,622 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 17:52:14,827 INFO L227 lantSequenceWeakener]: Weakened 199 states. On average, predicates are now at 80.68% of their original sizes. [2018-11-18 17:52:14,828 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 17:52:14,941 INFO L415 sIntCurrentIteration]: We unified 203 AI predicates to 203 [2018-11-18 17:52:14,941 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 17:52:14,941 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:52:14,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 17:52:14,941 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:52:14,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 17:52:14,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 17:52:14,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:52:14,942 INFO L87 Difference]: Start difference. First operand 1610 states and 2201 transitions. Second operand 10 states. [2018-11-18 17:52:17,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:17,188 INFO L93 Difference]: Finished difference Result 3513 states and 4795 transitions. [2018-11-18 17:52:17,188 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 17:52:17,188 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 204 [2018-11-18 17:52:17,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:17,195 INFO L225 Difference]: With dead ends: 3513 [2018-11-18 17:52:17,196 INFO L226 Difference]: Without dead ends: 1909 [2018-11-18 17:52:17,200 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 213 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 17:52:17,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1909 states. [2018-11-18 17:52:17,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1909 to 1905. [2018-11-18 17:52:17,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1905 states. [2018-11-18 17:52:17,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1905 states and 2544 transitions. [2018-11-18 17:52:17,243 INFO L78 Accepts]: Start accepts. Automaton has 1905 states and 2544 transitions. Word has length 204 [2018-11-18 17:52:17,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:17,244 INFO L480 AbstractCegarLoop]: Abstraction has 1905 states and 2544 transitions. [2018-11-18 17:52:17,244 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 17:52:17,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2544 transitions. [2018-11-18 17:52:17,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-18 17:52:17,250 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:52:17,250 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:52:17,250 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:52:17,251 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:17,251 INFO L82 PathProgramCache]: Analyzing trace with hash -345059058, now seen corresponding path program 1 times [2018-11-18 17:52:17,251 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:52:17,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:17,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:17,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:17,252 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:17,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:17,374 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 17:52:17,374 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:52:17,374 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:52:17,374 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-11-18 17:52:17,375 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:52:17,377 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:52:17,378 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:52:17,539 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:52:17,539 INFO L272 AbstractInterpreter]: Visited 108 different actions 313 times. Merged at 8 different actions 17 times. Never widened. Performed 3836 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3836 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 17:52:17,542 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:17,543 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:52:17,543 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:52:17,543 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6358888-52fb-49d6-9954-317f63c253d2/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:52:17,549 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:17,549 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:52:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:17,609 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:52:17,709 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 17:52:17,710 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:52:17,832 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 135 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 17:52:17,862 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:52:17,862 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 17:52:17,862 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:52:17,863 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:52:17,863 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:52:17,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-18 17:52:17,863 INFO L87 Difference]: Start difference. First operand 1905 states and 2544 transitions. Second operand 9 states. [2018-11-18 17:52:20,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:20,302 INFO L93 Difference]: Finished difference Result 6886 states and 9863 transitions. [2018-11-18 17:52:20,302 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 17:52:20,302 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 208 [2018-11-18 17:52:20,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:20,309 INFO L225 Difference]: With dead ends: 6886 [2018-11-18 17:52:20,309 INFO L226 Difference]: Without dead ends: 2818 [2018-11-18 17:52:20,316 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 425 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 112 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=184, Invalid=466, Unknown=0, NotChecked=0, Total=650 [2018-11-18 17:52:20,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2818 states. [2018-11-18 17:52:20,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2818 to 2672. [2018-11-18 17:52:20,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2672 states. [2018-11-18 17:52:20,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 3126 transitions. [2018-11-18 17:52:20,355 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 3126 transitions. Word has length 208 [2018-11-18 17:52:20,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:20,356 INFO L480 AbstractCegarLoop]: Abstraction has 2672 states and 3126 transitions. [2018-11-18 17:52:20,356 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:52:20,356 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 3126 transitions. [2018-11-18 17:52:20,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-18 17:52:20,360 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:52:20,361 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:52:20,361 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:52:20,361 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:20,361 INFO L82 PathProgramCache]: Analyzing trace with hash 591052778, now seen corresponding path program 1 times [2018-11-18 17:52:20,361 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:52:20,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:20,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:20,362 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:52:20,362 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:52:20,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:20,478 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 117 proven. 54 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 17:52:20,478 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:52:20,479 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:52:20,479 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 223 with the following transitions: [2018-11-18 17:52:20,479 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [471], [473], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 17:52:20,481 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:52:20,481 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:52:20,692 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:52:20,692 INFO L272 AbstractInterpreter]: Visited 108 different actions 421 times. Merged at 8 different actions 29 times. Never widened. Performed 5163 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5163 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 17:52:20,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:52:20,693 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:52:20,693 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:52:20,694 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b6358888-52fb-49d6-9954-317f63c253d2/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:52:20,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:52:20,699 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:52:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:52:20,749 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:52:20,814 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 107 proven. 2 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-11-18 17:52:20,814 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:52:20,875 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 128 proven. 36 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 17:52:20,891 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:52:20,891 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2018-11-18 17:52:20,891 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:52:20,892 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 17:52:20,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 17:52:20,892 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-11-18 17:52:20,892 INFO L87 Difference]: Start difference. First operand 2672 states and 3126 transitions. Second operand 13 states. [2018-11-18 17:52:21,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:52:21,908 INFO L93 Difference]: Finished difference Result 5294 states and 6329 transitions. [2018-11-18 17:52:21,908 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 17:52:21,909 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 222 [2018-11-18 17:52:21,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:52:21,909 INFO L225 Difference]: With dead ends: 5294 [2018-11-18 17:52:21,909 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:52:21,917 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 496 GetRequests, 459 SyntacticMatches, 1 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=394, Invalid=1012, Unknown=0, NotChecked=0, Total=1406 [2018-11-18 17:52:21,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:52:21,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:52:21,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:52:21,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:52:21,918 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 222 [2018-11-18 17:52:21,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:52:21,918 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:52:21,918 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 17:52:21,918 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:52:21,918 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:52:21,921 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:52:21,996 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:52:21,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:52:22,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:52:22,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:52:22,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:52:22,652 WARN L180 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 71 [2018-11-18 17:52:22,872 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 50 [2018-11-18 17:52:22,874 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:52:22,874 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|)) [2018-11-18 17:52:22,874 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:52:22,874 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,874 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,874 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,874 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,875 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,875 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 17:52:22,875 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 17:52:22,875 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 17:52:22,875 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 17:52:22,875 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 17:52:22,875 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 17:52:22,875 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 17:52:22,875 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 17:52:22,875 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 17:52:22,875 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 17:52:22,875 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 17:52:22,875 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 17:52:22,875 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 17:52:22,875 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,875 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,876 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,876 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,876 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 17:52:22,876 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,876 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 17:52:22,876 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 17:52:22,876 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 17:52:22,876 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 17:52:22,876 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 17:52:22,876 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 17:52:22,876 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 17:52:22,876 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 17:52:22,876 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 17:52:22,877 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 17:52:22,877 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 17:52:22,877 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 17:52:22,877 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 17:52:22,877 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 17:52:22,877 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 17:52:22,877 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,877 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,877 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,877 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,877 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,877 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 17:52:22,877 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 17:52:22,878 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 17:52:22,878 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 17:52:22,878 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 17:52:22,878 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 17:52:22,878 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 17:52:22,878 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 17:52:22,878 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 17:52:22,878 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 17:52:22,878 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 17:52:22,878 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,878 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,878 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,878 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,879 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,879 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 17:52:22,879 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 17:52:22,879 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 17:52:22,879 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 17:52:22,879 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 17:52:22,879 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 17:52:22,879 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 17:52:22,879 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 17:52:22,879 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 17:52:22,879 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 17:52:22,879 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 17:52:22,879 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 17:52:22,879 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 17:52:22,880 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,880 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,880 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,880 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,880 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,880 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 17:52:22,880 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 17:52:22,880 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 17:52:22,880 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 17:52:22,880 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 17:52:22,880 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 17:52:22,880 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 17:52:22,880 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 17:52:22,881 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 17:52:22,881 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 17:52:22,881 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 17:52:22,881 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 17:52:22,881 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 17:52:22,881 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 17:52:22,881 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 17:52:22,881 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 17:52:22,881 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,881 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,881 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,881 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,881 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 17:52:22,881 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,882 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 17:52:22,882 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,882 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 17:52:22,882 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 17:52:22,882 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 17:52:22,882 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,882 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,882 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 17:52:22,882 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 17:52:22,882 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 17:52:22,882 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 17:52:22,882 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 17:52:22,882 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 17:52:22,882 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 17:52:22,883 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 17:52:22,883 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 17:52:22,883 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 17:52:22,883 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 17:52:22,883 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,883 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,883 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,883 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,883 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,883 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,883 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 17:52:22,883 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 17:52:22,883 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 17:52:22,884 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 17:52:22,884 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 17:52:22,884 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 17:52:22,884 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 17:52:22,884 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 17:52:22,884 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 17:52:22,884 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 17:52:22,884 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 17:52:22,884 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,884 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,884 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,884 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,884 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,885 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,885 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 17:52:22,885 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 17:52:22,885 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 17:52:22,885 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 17:52:22,885 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 17:52:22,885 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 17:52:22,885 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 17:52:22,885 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 17:52:22,885 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 17:52:22,885 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 17:52:22,885 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 17:52:22,885 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 17:52:22,885 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 17:52:22,885 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 17:52:22,886 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,886 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,886 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,886 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse17 (= 1 |old(~a11~0)|))) (let ((.cse15 (< 7 |old(~a17~0)|)) (.cse4 (= ~a19~0 1)) (.cse16 (= |old(~a11~0)| |old(~a19~0)|)) (.cse7 (not .cse17)) (.cse14 (<= ~a17~0 |old(~a17~0)|)) (.cse3 (= 1 ~a11~0)) (.cse9 (= |old(~a17~0)| ~a17~0)) (.cse11 (= ~a28~0 |old(~a28~0)|)) (.cse1 (not (= 1 |old(~a19~0)|))) (.cse2 (= 0 |old(~a28~0)|)) (.cse12 (= 8 |old(~a28~0)|)) (.cse13 (< 8 |old(~a17~0)|)) (.cse10 (= 1 ~a25~0)) (.cse0 (not (= 1 ~a21~0))) (.cse8 (not (= 1 |old(~a25~0)|))) (.cse5 (not (= 8 |old(~a17~0)|))) (.cse6 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 (and (not (= ~a28~0 0)) .cse3 (= ~a17~0 8) .cse4) .cse5 .cse6 .cse7) (or .cse8 (and .cse3 .cse9 .cse10 .cse11) .cse12 .cse13 .cse7) (or .cse8 (and .cse14 .cse3 .cse10) .cse7 .cse15) (or .cse0 .cse1 .cse2 .cse12 .cse5 .cse6 .cse4) (or .cse16 .cse8 .cse10 .cse7) (or .cse12 (and .cse3 .cse9 .cse11) .cse7 .cse15) (or .cse0 .cse8 .cse1 .cse4 .cse2 .cse5 .cse6) (or .cse16 .cse7 (and .cse14 .cse3 (not (= 1 ~a19~0)))) (or .cse17 .cse13 (and (= ~a11~0 |old(~a11~0)|) .cse9 .cse11)) (or .cse0 .cse1 .cse2 (= ~a25~0 0) .cse12 (not (= 0 |old(~a11~0)|)) .cse5 .cse6 (not (= 0 |old(~a25~0)|))) (or .cse10 .cse13 (or .cse17 .cse8)) (or .cse10 .cse0 .cse8 .cse5 .cse6)))) [2018-11-18 17:52:22,886 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,886 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,886 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,886 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 17:52:22,886 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 17:52:22,887 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 17:52:22,887 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 17:52:22,887 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 17:52:22,887 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 17:52:22,887 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 17:52:22,887 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 17:52:22,887 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 17:52:22,887 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 17:52:22,887 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 17:52:22,887 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 17:52:22,887 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 17:52:22,887 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,887 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,888 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,888 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,888 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,888 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,888 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 17:52:22,888 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 17:52:22,888 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 17:52:22,888 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 17:52:22,888 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 17:52:22,888 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 17:52:22,888 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 17:52:22,888 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 17:52:22,888 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 17:52:22,888 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 17:52:22,889 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 17:52:22,889 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 17:52:22,889 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 17:52:22,889 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 17:52:22,889 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 17:52:22,889 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 17:52:22,889 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,889 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 451) no Hoare annotation was computed. [2018-11-18 17:52:22,889 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,889 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,889 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,889 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 17:52:22,890 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 17:52:22,890 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 17:52:22,890 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 17:52:22,890 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 17:52:22,890 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 17:52:22,890 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 17:52:22,890 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 17:52:22,890 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 17:52:22,890 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 17:52:22,890 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 17:52:22,890 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 17:52:22,890 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 17:52:22,890 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 17:52:22,890 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 17:52:22,891 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 17:52:22,891 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 17:52:22,891 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 17:52:22,891 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 17:52:22,891 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 17:52:22,891 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:52:22,891 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-18 17:52:22,891 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:52:22,891 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:52:22,891 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-18 17:52:22,891 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 17:52:22,892 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse3 (<= ~a17~0 7)) (.cse1 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (.cse0 (= 1 ~a11~0)) (.cse2 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 |old(~a17~0)|) .cse0 .cse1) (and (= ~a11~0 |old(~a11~0)|) .cse2) (and (not (= ~a28~0 0)) .cse0 (= ~a17~0 8)) (not (= 1 |old(~a19~0)|)) (and .cse3 (not (= ~a28~0 8))) (not (= 8 |old(~a17~0)|)) (and .cse3 .cse1) (and .cse0 (= 1 ~a25~0) .cse2) (not (= 0 |old(~a25~0)|)))) [2018-11-18 17:52:22,892 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 17:52:22,892 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 17:52:22,892 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 7)) (.cse3 (or (not (= ~a19~0 ~a11~0)) (not (= 1 ~a19~0)))) (.cse2 (= 1 ~a11~0)) (.cse1 (= 1 ~a25~0)) (.cse5 (not (= ~a28~0 8))) (.cse4 (<= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1) (not (= 0 |old(~a11~0)|)) (and (<= ~a17~0 |old(~a17~0)|) .cse2 .cse3) (and (= ~a11~0 |old(~a11~0)|) .cse4) (and (not (= main_~input~0 0)) (not (= ~a28~0 0)) .cse2 (= ~a17~0 8)) (not (= 1 |old(~a19~0)|)) (and .cse0 .cse5) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse3) (and .cse2 .cse1 .cse5 .cse4) (not (= 0 |old(~a25~0)|)))) [2018-11-18 17:52:22,892 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 17:52:22,892 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 17:52:22,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:52:22 BoogieIcfgContainer [2018-11-18 17:52:22,902 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:52:22,903 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:52:22,903 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:52:22,903 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:52:22,903 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 05:52:03" (3/4) ... [2018-11-18 17:52:22,906 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:52:22,909 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:52:22,909 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 17:52:22,909 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:52:22,916 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:52:22,917 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:52:22,933 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || ((a17 <= \old(a17) && 1 == a11) && (!(a19 == a11) || !(1 == a19)))) || (a11 == \old(a11) && a17 <= 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(1 == \old(a19))) || (a17 <= 7 && !(a28 == 8))) || !(8 == \old(a17))) || (a17 <= 7 && (!(a19 == a11) || !(1 == a19)))) || ((1 == a11 && 1 == a25) && a17 <= 8)) || !(0 == \old(a25)) [2018-11-18 17:52:23,003 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_b6358888-52fb-49d6-9954-317f63c253d2/bin-2019/utaipan/witness.graphml [2018-11-18 17:52:23,003 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:52:23,004 INFO L168 Benchmark]: Toolchain (without parser) took 21359.93 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 953.7 MB). Free memory was 950.4 MB in the beginning and 1.4 GB in the end (delta: -458.2 MB). Peak memory consumption was 495.5 MB. Max. memory is 11.5 GB. [2018-11-18 17:52:23,005 INFO L168 Benchmark]: CDTParser took 0.47 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:52:23,005 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.17 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 915.4 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-18 17:52:23,006 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 915.4 MB in the beginning and 1.2 GB in the end (delta: -236.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. [2018-11-18 17:52:23,006 INFO L168 Benchmark]: Boogie Preprocessor took 95.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:52:23,006 INFO L168 Benchmark]: RCFGBuilder took 1107.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 99.4 MB). Peak memory consumption was 99.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:52:23,006 INFO L168 Benchmark]: TraceAbstraction took 19210.42 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 788.0 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -359.7 MB). Peak memory consumption was 428.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:52:23,007 INFO L168 Benchmark]: Witness Printer took 100.32 ms. Allocated memory is still 2.0 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:52:23,008 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 700.17 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 915.4 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 142.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 165.7 MB). Free memory was 915.4 MB in the beginning and 1.2 GB in the end (delta: -236.3 MB). Peak memory consumption was 20.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 95.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1107.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 99.4 MB). Peak memory consumption was 99.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 19210.42 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 788.0 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -359.7 MB). Peak memory consumption was 428.3 MB. Max. memory is 11.5 GB. * Witness Printer took 100.32 ms. Allocated memory is still 2.0 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 451]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || ((a17 <= \old(a17) && 1 == a11) && (!(a19 == a11) || !(1 == a19)))) || (a11 == \old(a11) && a17 <= 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(1 == \old(a19))) || (a17 <= 7 && !(a28 == 8))) || !(8 == \old(a17))) || (a17 <= 7 && (!(a19 == a11) || !(1 == a19)))) || ((1 == a11 && 1 == a25) && a17 <= 8)) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 19.1s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 13.7s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1427 SDtfs, 7296 SDslu, 1554 SDs, 0 SdLazy, 8965 SolverSat, 2297 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1465 GetRequests, 1358 SyntacticMatches, 5 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 515 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2672occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9966663763164972 AbsIntWeakeningRatio, 0.2392638036809816 AbsIntAvgWeakeningVarsNumRemoved, 25.711656441717793 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 351 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 88 PreInvPairs, 154 NumberOfFragments, 549 HoareAnnotationTreeSize, 88 FomulaSimplifications, 3176 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2191 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1561 NumberOfCodeBlocks, 1561 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1980 ConstructedInterpolants, 0 QuantifiedInterpolants, 844539 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1036 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 1085/1224 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...