./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label47_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_45ea6dfa-6d00-4384-b303-85c928ccd4d2/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_45ea6dfa-6d00-4384-b303-85c928ccd4d2/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_45ea6dfa-6d00-4384-b303-85c928ccd4d2/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_45ea6dfa-6d00-4384-b303-85c928ccd4d2/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label47_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_45ea6dfa-6d00-4384-b303-85c928ccd4d2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_45ea6dfa-6d00-4384-b303-85c928ccd4d2/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 974e26d64b5918de86cf9f668ecae1f8804e33e3 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 10:47:39,651 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 10:47:39,652 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 10:47:39,660 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 10:47:39,660 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 10:47:39,661 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 10:47:39,662 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 10:47:39,663 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 10:47:39,665 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 10:47:39,666 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 10:47:39,666 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 10:47:39,667 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 10:47:39,667 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 10:47:39,668 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 10:47:39,669 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 10:47:39,669 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 10:47:39,669 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 10:47:39,671 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 10:47:39,672 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 10:47:39,673 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 10:47:39,674 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 10:47:39,675 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 10:47:39,677 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 10:47:39,677 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 10:47:39,678 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 10:47:39,678 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 10:47:39,679 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 10:47:39,680 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 10:47:39,680 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 10:47:39,681 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 10:47:39,681 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 10:47:39,682 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 10:47:39,682 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 10:47:39,682 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 10:47:39,683 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 10:47:39,683 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 10:47:39,683 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_45ea6dfa-6d00-4384-b303-85c928ccd4d2/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 10:47:39,692 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 10:47:39,692 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 10:47:39,693 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 10:47:39,693 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 10:47:39,693 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 10:47:39,693 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 10:47:39,693 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 10:47:39,693 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 10:47:39,694 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 10:47:39,694 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 10:47:39,694 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 10:47:39,694 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 10:47:39,694 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 10:47:39,695 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 10:47:39,695 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 10:47:39,695 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 10:47:39,695 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 10:47:39,695 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 10:47:39,696 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 10:47:39,698 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 10:47:39,698 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 10:47:39,698 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 10:47:39,698 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 10:47:39,698 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 10:47:39,698 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 10:47:39,699 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 10:47:39,699 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 10:47:39,699 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 10:47:39,699 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 10:47:39,699 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 10:47:39,699 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 10:47:39,700 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 10:47:39,700 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 10:47:39,700 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 10:47:39,700 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 10:47:39,700 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 10:47:39,700 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 10:47:39,700 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_45ea6dfa-6d00-4384-b303-85c928ccd4d2/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 -> 974e26d64b5918de86cf9f668ecae1f8804e33e3 [2018-11-18 10:47:39,728 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 10:47:39,738 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 10:47:39,741 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 10:47:39,742 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 10:47:39,743 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 10:47:39,743 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_45ea6dfa-6d00-4384-b303-85c928ccd4d2/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label47_true-unreach-call_false-termination.c [2018-11-18 10:47:39,797 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45ea6dfa-6d00-4384-b303-85c928ccd4d2/bin-2019/utaipan/data/7e44cf1c5/14aa7ed61d9141c690e63fa08d544a22/FLAGbc74255ca [2018-11-18 10:47:40,221 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 10:47:40,222 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_45ea6dfa-6d00-4384-b303-85c928ccd4d2/sv-benchmarks/c/eca-rers2012/Problem02_label47_true-unreach-call_false-termination.c [2018-11-18 10:47:40,233 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_45ea6dfa-6d00-4384-b303-85c928ccd4d2/bin-2019/utaipan/data/7e44cf1c5/14aa7ed61d9141c690e63fa08d544a22/FLAGbc74255ca [2018-11-18 10:47:40,248 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_45ea6dfa-6d00-4384-b303-85c928ccd4d2/bin-2019/utaipan/data/7e44cf1c5/14aa7ed61d9141c690e63fa08d544a22 [2018-11-18 10:47:40,250 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 10:47:40,251 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 10:47:40,252 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 10:47:40,252 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 10:47:40,255 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 10:47:40,256 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:47:40" (1/1) ... [2018-11-18 10:47:40,258 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11524d60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:40, skipping insertion in model container [2018-11-18 10:47:40,258 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 10:47:40" (1/1) ... [2018-11-18 10:47:40,265 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 10:47:40,307 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 10:47:40,564 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:47:40,568 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 10:47:40,634 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 10:47:40,645 INFO L195 MainTranslator]: Completed translation [2018-11-18 10:47:40,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:40 WrapperNode [2018-11-18 10:47:40,646 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 10:47:40,646 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 10:47:40,646 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 10:47:40,646 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 10:47:40,709 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:40" (1/1) ... [2018-11-18 10:47:40,724 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:40" (1/1) ... [2018-11-18 10:47:40,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 10:47:40,732 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 10:47:40,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 10:47:40,733 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 10:47:40,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:40" (1/1) ... [2018-11-18 10:47:40,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:40" (1/1) ... [2018-11-18 10:47:40,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:40" (1/1) ... [2018-11-18 10:47:40,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:40" (1/1) ... [2018-11-18 10:47:40,774 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:40" (1/1) ... [2018-11-18 10:47:40,787 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:40" (1/1) ... [2018-11-18 10:47:40,791 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:40" (1/1) ... [2018-11-18 10:47:40,797 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 10:47:40,797 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 10:47:40,797 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 10:47:40,797 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 10:47:40,798 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45ea6dfa-6d00-4384-b303-85c928ccd4d2/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 10:47:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 10:47:40,857 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 10:47:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 10:47:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 10:47:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 10:47:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 10:47:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 10:47:40,858 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 10:47:40,858 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 10:47:41,772 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 10:47:41,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:47:41 BoogieIcfgContainer [2018-11-18 10:47:41,773 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 10:47:41,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 10:47:41,773 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 10:47:41,776 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 10:47:41,776 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 10:47:40" (1/3) ... [2018-11-18 10:47:41,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f5b9c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:47:41, skipping insertion in model container [2018-11-18 10:47:41,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 10:47:40" (2/3) ... [2018-11-18 10:47:41,777 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f5b9c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 10:47:41, skipping insertion in model container [2018-11-18 10:47:41,777 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:47:41" (3/3) ... [2018-11-18 10:47:41,779 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label47_true-unreach-call_false-termination.c [2018-11-18 10:47:41,787 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 10:47:41,793 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 10:47:41,806 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 10:47:41,834 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 10:47:41,834 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 10:47:41,834 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 10:47:41,834 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 10:47:41,834 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 10:47:41,834 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 10:47:41,835 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 10:47:41,835 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 10:47:41,853 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 10:47:41,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 10:47:41,862 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:47:41,863 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:47:41,864 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:47:41,869 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:41,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1596642336, now seen corresponding path program 1 times [2018-11-18 10:47:41,871 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:47:41,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:41,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:41,914 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:41,914 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:47:42,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:42,204 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 10:47:42,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:47:42,206 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 10:47:42,206 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:47:42,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 10:47:42,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 10:47:42,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:47:42,225 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 10:47:42,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:47:42,883 INFO L93 Difference]: Finished difference Result 627 states and 1072 transitions. [2018-11-18 10:47:42,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 10:47:42,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 114 [2018-11-18 10:47:42,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:47:42,893 INFO L225 Difference]: With dead ends: 627 [2018-11-18 10:47:42,894 INFO L226 Difference]: Without dead ends: 388 [2018-11-18 10:47:42,896 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 10:47:42,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2018-11-18 10:47:42,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 383. [2018-11-18 10:47:42,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 383 states. [2018-11-18 10:47:42,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 619 transitions. [2018-11-18 10:47:42,945 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 619 transitions. Word has length 114 [2018-11-18 10:47:42,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:47:42,946 INFO L480 AbstractCegarLoop]: Abstraction has 383 states and 619 transitions. [2018-11-18 10:47:42,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 10:47:42,946 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 619 transitions. [2018-11-18 10:47:42,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 10:47:42,950 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:47:42,950 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:47:42,950 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:47:42,951 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:42,951 INFO L82 PathProgramCache]: Analyzing trace with hash -425024083, now seen corresponding path program 1 times [2018-11-18 10:47:42,951 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:47:42,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:42,952 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:42,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:42,952 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:47:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:43,131 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 10:47:43,131 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:47:43,131 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:47:43,132 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:47:43,133 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 10:47:43,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:47:43,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:47:43,134 INFO L87 Difference]: Start difference. First operand 383 states and 619 transitions. Second operand 5 states. [2018-11-18 10:47:43,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:47:43,770 INFO L93 Difference]: Finished difference Result 905 states and 1519 transitions. [2018-11-18 10:47:43,770 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 10:47:43,770 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 123 [2018-11-18 10:47:43,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:47:43,780 INFO L225 Difference]: With dead ends: 905 [2018-11-18 10:47:43,780 INFO L226 Difference]: Without dead ends: 382 [2018-11-18 10:47:43,783 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:47:43,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2018-11-18 10:47:43,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 382. [2018-11-18 10:47:43,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 382 states. [2018-11-18 10:47:43,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 613 transitions. [2018-11-18 10:47:43,797 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 613 transitions. Word has length 123 [2018-11-18 10:47:43,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:47:43,797 INFO L480 AbstractCegarLoop]: Abstraction has 382 states and 613 transitions. [2018-11-18 10:47:43,797 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 10:47:43,798 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 613 transitions. [2018-11-18 10:47:43,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 10:47:43,799 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:47:43,799 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:47:43,799 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:47:43,800 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:43,800 INFO L82 PathProgramCache]: Analyzing trace with hash 391088041, now seen corresponding path program 1 times [2018-11-18 10:47:43,800 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:47:43,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:43,801 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:43,801 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:43,801 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:47:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:43,892 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:47:43,893 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:47:43,893 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 10:47:43,893 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:47:43,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 10:47:43,893 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 10:47:43,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 10:47:43,894 INFO L87 Difference]: Start difference. First operand 382 states and 613 transitions. Second operand 6 states. [2018-11-18 10:47:44,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:47:44,560 INFO L93 Difference]: Finished difference Result 1241 states and 2101 transitions. [2018-11-18 10:47:44,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 10:47:44,560 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 125 [2018-11-18 10:47:44,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:47:44,565 INFO L225 Difference]: With dead ends: 1241 [2018-11-18 10:47:44,565 INFO L226 Difference]: Without dead ends: 865 [2018-11-18 10:47:44,566 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 10:47:44,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 865 states. [2018-11-18 10:47:44,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 865 to 818. [2018-11-18 10:47:44,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 818 states. [2018-11-18 10:47:44,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 818 states and 1267 transitions. [2018-11-18 10:47:44,596 INFO L78 Accepts]: Start accepts. Automaton has 818 states and 1267 transitions. Word has length 125 [2018-11-18 10:47:44,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:47:44,597 INFO L480 AbstractCegarLoop]: Abstraction has 818 states and 1267 transitions. [2018-11-18 10:47:44,597 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 10:47:44,597 INFO L276 IsEmpty]: Start isEmpty. Operand 818 states and 1267 transitions. [2018-11-18 10:47:44,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 10:47:44,599 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:47:44,599 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:47:44,599 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:47:44,599 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:44,599 INFO L82 PathProgramCache]: Analyzing trace with hash -2039626074, now seen corresponding path program 1 times [2018-11-18 10:47:44,599 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:47:44,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:44,600 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:44,600 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:44,600 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:47:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:44,758 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:47:44,758 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:47:44,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:47:44,758 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:47:44,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 10:47:44,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:47:44,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:47:44,759 INFO L87 Difference]: Start difference. First operand 818 states and 1267 transitions. Second operand 5 states. [2018-11-18 10:47:45,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:47:45,367 INFO L93 Difference]: Finished difference Result 1775 states and 2790 transitions. [2018-11-18 10:47:45,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 10:47:45,367 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2018-11-18 10:47:45,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:47:45,371 INFO L225 Difference]: With dead ends: 1775 [2018-11-18 10:47:45,371 INFO L226 Difference]: Without dead ends: 815 [2018-11-18 10:47:45,373 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:47:45,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 815 states. [2018-11-18 10:47:45,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 815 to 815. [2018-11-18 10:47:45,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 815 states. [2018-11-18 10:47:45,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 815 states and 1250 transitions. [2018-11-18 10:47:45,392 INFO L78 Accepts]: Start accepts. Automaton has 815 states and 1250 transitions. Word has length 139 [2018-11-18 10:47:45,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:47:45,392 INFO L480 AbstractCegarLoop]: Abstraction has 815 states and 1250 transitions. [2018-11-18 10:47:45,392 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 10:47:45,392 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 1250 transitions. [2018-11-18 10:47:45,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 10:47:45,394 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:47:45,394 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:47:45,395 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:47:45,395 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:45,395 INFO L82 PathProgramCache]: Analyzing trace with hash -916026206, now seen corresponding path program 1 times [2018-11-18 10:47:45,395 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:47:45,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:45,396 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:45,396 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:45,396 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:47:45,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:45,535 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:47:45,535 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 10:47:45,535 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 10:47:45,535 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:47:45,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 10:47:45,536 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 10:47:45,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:47:45,536 INFO L87 Difference]: Start difference. First operand 815 states and 1250 transitions. Second operand 5 states. [2018-11-18 10:47:46,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:47:46,358 INFO L93 Difference]: Finished difference Result 1765 states and 2745 transitions. [2018-11-18 10:47:46,358 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 10:47:46,359 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 141 [2018-11-18 10:47:46,359 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:47:46,362 INFO L225 Difference]: With dead ends: 1765 [2018-11-18 10:47:46,362 INFO L226 Difference]: Without dead ends: 808 [2018-11-18 10:47:46,364 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 10:47:46,365 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 808 states. [2018-11-18 10:47:46,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 808 to 806. [2018-11-18 10:47:46,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 806 states. [2018-11-18 10:47:46,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 806 states and 1218 transitions. [2018-11-18 10:47:46,382 INFO L78 Accepts]: Start accepts. Automaton has 806 states and 1218 transitions. Word has length 141 [2018-11-18 10:47:46,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:47:46,383 INFO L480 AbstractCegarLoop]: Abstraction has 806 states and 1218 transitions. [2018-11-18 10:47:46,383 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 10:47:46,383 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1218 transitions. [2018-11-18 10:47:46,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 10:47:46,385 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:47:46,385 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:47:46,385 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:47:46,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:46,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1064185502, now seen corresponding path program 1 times [2018-11-18 10:47:46,386 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:47:46,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:46,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:46,387 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:46,387 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:47:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:46,437 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:47:46,438 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:47:46,438 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:47:46,439 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-11-18 10:47:46,440 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 10:47:46,474 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:47:46,474 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:47:46,897 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 10:47:46,898 INFO L272 AbstractInterpreter]: Visited 118 different actions 230 times. Merged at 5 different actions 5 times. Never widened. Performed 2589 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2589 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 10:47:46,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:46,915 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 10:47:47,125 INFO L227 lantSequenceWeakener]: Weakened 144 states. On average, predicates are now at 82.52% of their original sizes. [2018-11-18 10:47:47,125 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 10:47:47,237 INFO L415 sIntCurrentIteration]: We unified 148 AI predicates to 148 [2018-11-18 10:47:47,237 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 10:47:47,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 10:47:47,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 10:47:47,238 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 10:47:47,238 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 10:47:47,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 10:47:47,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:47:47,239 INFO L87 Difference]: Start difference. First operand 806 states and 1218 transitions. Second operand 10 states. [2018-11-18 10:47:51,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:47:51,028 INFO L93 Difference]: Finished difference Result 2204 states and 3361 transitions. [2018-11-18 10:47:51,028 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 10:47:51,028 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 149 [2018-11-18 10:47:51,028 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:47:51,031 INFO L225 Difference]: With dead ends: 2204 [2018-11-18 10:47:51,031 INFO L226 Difference]: Without dead ends: 1404 [2018-11-18 10:47:51,033 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 158 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 10:47:51,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1404 states. [2018-11-18 10:47:51,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1404 to 1397. [2018-11-18 10:47:51,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1397 states. [2018-11-18 10:47:51,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1397 states to 1397 states and 1900 transitions. [2018-11-18 10:47:51,057 INFO L78 Accepts]: Start accepts. Automaton has 1397 states and 1900 transitions. Word has length 149 [2018-11-18 10:47:51,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:47:51,057 INFO L480 AbstractCegarLoop]: Abstraction has 1397 states and 1900 transitions. [2018-11-18 10:47:51,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 10:47:51,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1900 transitions. [2018-11-18 10:47:51,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-11-18 10:47:51,060 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:47:51,060 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:47:51,061 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:47:51,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:51,061 INFO L82 PathProgramCache]: Analyzing trace with hash -1477998355, now seen corresponding path program 1 times [2018-11-18 10:47:51,061 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:47:51,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:51,062 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:51,062 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:51,062 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:47:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:51,190 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 97 proven. 13 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 10:47:51,190 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:47:51,190 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:47:51,191 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 187 with the following transitions: [2018-11-18 10:47:51,191 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [45], [50], [52], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 10:47:51,195 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:47:51,195 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:47:51,370 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:47:51,370 INFO L272 AbstractInterpreter]: Visited 122 different actions 358 times. Merged at 8 different actions 20 times. Never widened. Performed 4230 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4230 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 10:47:51,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:51,377 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:47:51,377 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:47:51,377 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45ea6dfa-6d00-4384-b303-85c928ccd4d2/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 10:47:51,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:51,389 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:47:51,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:51,450 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:47:51,527 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 117 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 10:47:51,528 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:47:51,615 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 97 proven. 13 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 10:47:51,631 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 10:47:51,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 10:47:51,631 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 10:47:51,631 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 10:47:51,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 10:47:51,632 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-18 10:47:51,632 INFO L87 Difference]: Start difference. First operand 1397 states and 1900 transitions. Second operand 9 states. [2018-11-18 10:47:53,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:47:53,258 INFO L93 Difference]: Finished difference Result 5961 states and 8825 transitions. [2018-11-18 10:47:53,259 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 10:47:53,259 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 186 [2018-11-18 10:47:53,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:47:53,265 INFO L225 Difference]: With dead ends: 5961 [2018-11-18 10:47:53,265 INFO L226 Difference]: Without dead ends: 2772 [2018-11-18 10:47:53,271 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 399 GetRequests, 377 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2018-11-18 10:47:53,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2772 states. [2018-11-18 10:47:53,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2772 to 2676. [2018-11-18 10:47:53,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2676 states. [2018-11-18 10:47:53,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2676 states and 3260 transitions. [2018-11-18 10:47:53,306 INFO L78 Accepts]: Start accepts. Automaton has 2676 states and 3260 transitions. Word has length 186 [2018-11-18 10:47:53,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:47:53,306 INFO L480 AbstractCegarLoop]: Abstraction has 2676 states and 3260 transitions. [2018-11-18 10:47:53,307 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 10:47:53,307 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 3260 transitions. [2018-11-18 10:47:53,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 10:47:53,310 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:47:53,310 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 10:47:53,310 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:47:53,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:53,311 INFO L82 PathProgramCache]: Analyzing trace with hash 732229987, now seen corresponding path program 1 times [2018-11-18 10:47:53,311 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:47:53,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:53,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:53,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:53,312 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:47:53,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:53,389 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 88 proven. 4 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 10:47:53,389 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:47:53,389 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:47:53,389 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 210 with the following transitions: [2018-11-18 10:47:53,390 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [312], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 10:47:53,392 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:47:53,392 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:47:53,538 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:47:53,539 INFO L272 AbstractInterpreter]: Visited 120 different actions 351 times. Merged at 7 different actions 15 times. Never widened. Performed 4039 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4039 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 10:47:53,548 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:53,548 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:47:53,548 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:47:53,548 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45ea6dfa-6d00-4384-b303-85c928ccd4d2/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 10:47:53,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:53,560 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:47:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:53,610 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:47:53,697 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:47:53,697 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:47:53,742 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 109 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 10:47:53,758 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 10:47:53,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2018-11-18 10:47:53,759 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 10:47:53,759 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 10:47:53,759 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 10:47:53,759 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2018-11-18 10:47:53,759 INFO L87 Difference]: Start difference. First operand 2676 states and 3260 transitions. Second operand 8 states. [2018-11-18 10:47:54,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:47:54,036 INFO L93 Difference]: Finished difference Result 3145 states and 3766 transitions. [2018-11-18 10:47:54,039 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-11-18 10:47:54,039 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 209 [2018-11-18 10:47:54,039 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:47:54,043 INFO L225 Difference]: With dead ends: 3145 [2018-11-18 10:47:54,043 INFO L226 Difference]: Without dead ends: 1351 [2018-11-18 10:47:54,046 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 429 GetRequests, 416 SyntacticMatches, 4 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-18 10:47:54,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1351 states. [2018-11-18 10:47:54,065 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1351 to 1053. [2018-11-18 10:47:54,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1053 states. [2018-11-18 10:47:54,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 1053 states and 1210 transitions. [2018-11-18 10:47:54,067 INFO L78 Accepts]: Start accepts. Automaton has 1053 states and 1210 transitions. Word has length 209 [2018-11-18 10:47:54,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:47:54,068 INFO L480 AbstractCegarLoop]: Abstraction has 1053 states and 1210 transitions. [2018-11-18 10:47:54,068 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 10:47:54,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1053 states and 1210 transitions. [2018-11-18 10:47:54,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-11-18 10:47:54,071 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:47:54,071 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 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] [2018-11-18 10:47:54,071 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:47:54,071 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:54,072 INFO L82 PathProgramCache]: Analyzing trace with hash 184024359, now seen corresponding path program 1 times [2018-11-18 10:47:54,072 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:47:54,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:54,072 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:54,072 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:54,072 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:47:54,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:54,208 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 122 proven. 96 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 10:47:54,208 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:47:54,208 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:47:54,208 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 242 with the following transitions: [2018-11-18 10:47:54,208 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 10:47:54,211 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:47:54,211 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:47:54,474 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:47:54,474 INFO L272 AbstractInterpreter]: Visited 122 different actions 473 times. Merged at 8 different actions 25 times. Never widened. Performed 5555 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5555 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 10:47:54,476 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:54,476 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:47:54,476 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:47:54,476 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45ea6dfa-6d00-4384-b303-85c928ccd4d2/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:47:54,482 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:54,482 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:47:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:54,531 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:47:54,590 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 170 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-18 10:47:54,590 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:47:54,663 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 154 proven. 36 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-11-18 10:47:54,678 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 10:47:54,678 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 14 [2018-11-18 10:47:54,678 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 10:47:54,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 10:47:54,679 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 10:47:54,679 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2018-11-18 10:47:54,679 INFO L87 Difference]: Start difference. First operand 1053 states and 1210 transitions. Second operand 13 states. [2018-11-18 10:47:56,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:47:56,053 INFO L93 Difference]: Finished difference Result 3644 states and 4552 transitions. [2018-11-18 10:47:56,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-11-18 10:47:56,054 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 241 [2018-11-18 10:47:56,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:47:56,063 INFO L225 Difference]: With dead ends: 3644 [2018-11-18 10:47:56,063 INFO L226 Difference]: Without dead ends: 2742 [2018-11-18 10:47:56,067 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 531 GetRequests, 495 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=343, Invalid=847, Unknown=0, NotChecked=0, Total=1190 [2018-11-18 10:47:56,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2742 states. [2018-11-18 10:47:56,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2742 to 2677. [2018-11-18 10:47:56,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2677 states. [2018-11-18 10:47:56,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2677 states to 2677 states and 3148 transitions. [2018-11-18 10:47:56,137 INFO L78 Accepts]: Start accepts. Automaton has 2677 states and 3148 transitions. Word has length 241 [2018-11-18 10:47:56,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:47:56,138 INFO L480 AbstractCegarLoop]: Abstraction has 2677 states and 3148 transitions. [2018-11-18 10:47:56,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 10:47:56,138 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 3148 transitions. [2018-11-18 10:47:56,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2018-11-18 10:47:56,146 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 10:47:56,146 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 10:47:56,147 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 10:47:56,147 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:56,147 INFO L82 PathProgramCache]: Analyzing trace with hash 1923317327, now seen corresponding path program 1 times [2018-11-18 10:47:56,147 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 10:47:56,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:56,148 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:56,148 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 10:47:56,148 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 10:47:56,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:56,633 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 232 proven. 34 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 10:47:56,633 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:47:56,633 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 10:47:56,634 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 265 with the following transitions: [2018-11-18 10:47:56,634 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [202], [205], [209], [210], [214], [218], [222], [233], [236], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 10:47:56,636 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 10:47:56,637 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 10:47:56,919 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 10:47:56,919 INFO L272 AbstractInterpreter]: Visited 122 different actions 473 times. Merged at 8 different actions 25 times. Never widened. Performed 5564 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5564 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 10:47:56,921 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 10:47:56,921 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 10:47:56,921 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 10:47:56,921 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_45ea6dfa-6d00-4384-b303-85c928ccd4d2/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 10:47:56,929 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 10:47:56,929 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 10:47:56,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 10:47:56,984 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 10:47:57,120 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 230 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 10:47:57,121 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 10:47:57,268 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 230 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 10:47:57,286 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 10:47:57,286 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 6, 6] total 22 [2018-11-18 10:47:57,286 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 10:47:57,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-18 10:47:57,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-18 10:47:57,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2018-11-18 10:47:57,288 INFO L87 Difference]: Start difference. First operand 2677 states and 3148 transitions. Second operand 20 states. [2018-11-18 10:48:01,235 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 48 [2018-11-18 10:48:01,790 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 52 [2018-11-18 10:48:03,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 10:48:03,004 INFO L93 Difference]: Finished difference Result 6743 states and 8440 transitions. [2018-11-18 10:48:03,004 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2018-11-18 10:48:03,004 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 264 [2018-11-18 10:48:03,005 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 10:48:03,005 INFO L225 Difference]: With dead ends: 6743 [2018-11-18 10:48:03,005 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 10:48:03,015 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 634 GetRequests, 554 SyntacticMatches, 2 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1929 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1260, Invalid=5060, Unknown=0, NotChecked=0, Total=6320 [2018-11-18 10:48:03,016 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 10:48:03,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 10:48:03,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 10:48:03,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 10:48:03,016 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 264 [2018-11-18 10:48:03,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 10:48:03,016 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 10:48:03,017 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-18 10:48:03,017 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 10:48:03,017 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 10:48:03,020 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 10:48:03,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,254 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,275 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 111 [2018-11-18 10:48:03,285 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,287 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,369 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 10:48:03,390 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 122 [2018-11-18 10:48:04,065 WARN L180 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 71 [2018-11-18 10:48:04,237 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 47 [2018-11-18 10:48:04,446 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 47 [2018-11-18 10:48:04,448 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:48:04,448 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) [2018-11-18 10:48:04,448 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:48:04,448 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,448 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,448 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,448 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,448 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,448 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 10:48:04,448 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 10:48:04,448 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 10:48:04,448 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 10:48:04,448 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 10:48:04,449 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 10:48:04,450 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 10:48:04,450 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 10:48:04,450 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 10:48:04,450 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 10:48:04,450 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 10:48:04,450 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 10:48:04,450 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,450 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,450 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,450 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,450 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,450 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 10:48:04,450 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 10:48:04,450 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 10:48:04,450 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 10:48:04,450 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 10:48:04,450 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 10:48:04,450 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 10:48:04,451 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,452 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,452 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,452 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,452 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,452 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 10:48:04,452 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 10:48:04,452 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 10:48:04,452 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 10:48:04,452 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 10:48:04,452 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 10:48:04,452 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 10:48:04,452 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 10:48:04,452 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 10:48:04,452 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 10:48:04,452 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 10:48:04,452 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 10:48:04,452 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 10:48:04,452 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 10:48:04,452 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 10:48:04,452 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 10:48:04,452 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 493) no Hoare annotation was computed. [2018-11-18 10:48:04,453 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 10:48:04,454 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 10:48:04,454 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 10:48:04,454 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,454 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,454 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,454 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,454 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,454 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,454 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 10:48:04,454 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 10:48:04,454 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 10:48:04,454 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 10:48:04,454 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 10:48:04,454 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 10:48:04,454 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 10:48:04,454 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 10:48:04,454 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 10:48:04,454 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 10:48:04,454 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 10:48:04,454 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,455 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,455 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,455 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,455 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,455 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,455 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 10:48:04,455 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 10:48:04,455 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 10:48:04,455 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 10:48:04,455 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 10:48:04,455 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 10:48:04,455 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 10:48:04,455 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 10:48:04,455 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 10:48:04,456 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 10:48:04,456 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 10:48:04,456 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 10:48:04,456 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 10:48:04,456 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 10:48:04,456 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,456 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,456 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,456 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse7 (= 1 |old(~a25~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse18 (= 1 |old(~a11~0)|)) (.cse1 (< |old(~a17~0)| 8)) (.cse5 (< 8 |old(~a17~0)|))) (let ((.cse8 (< 7 |old(~a17~0)|)) (.cse3 (not (= ~a25~0 1))) (.cse13 (= |old(~a11~0)| ~a11~0)) (.cse12 (or .cse0 .cse18 .cse1 .cse5)) (.cse9 (<= ~a17~0 |old(~a17~0)|)) (.cse10 (= |old(~a11~0)| |old(~a19~0)|)) (.cse11 (not .cse7)) (.cse16 (< 10 |old(~a28~0)|)) (.cse2 (= |old(~a19~0)| ~a19~0)) (.cse17 (= ~a17~0 |old(~a17~0)|)) (.cse4 (= 1 ~a11~0)) (.cse14 (= ~a28~0 |old(~a28~0)|)) (.cse15 (= ~a25~0 |old(~a25~0)|)) (.cse6 (not .cse18))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 (= |old(~a17~0)| ~a17~0)) .cse5 .cse6 .cse7) (or .cse0 .cse8 (and .cse9 .cse2 (= ~a11~0 |old(~a11~0)|))) (or .cse0 .cse3 .cse8 .cse7) (or .cse0 .cse3 .cse10 .cse6 .cse7) (or .cse11 .cse12 (and .cse13 .cse2 (= 8 ~a17~0) .cse14 .cse15)) (or .cse16 (and .cse13 .cse2 .cse17 .cse14 .cse15) .cse12) (or .cse0 .cse1 (and .cse9 .cse2 (<= 8 ~a17~0) .cse4) .cse10 .cse6) (or .cse0 (and (= 7 ~a28~0) (= 7 ~a17~0) (= 1 ~a25~0)) (not (= 7 |old(~a28~0)|)) .cse11 (not (= 1 |old(~a19~0)|)) .cse6 (not (= 7 |old(~a17~0)|))) (or .cse16 .cse0 .cse1 (= 8 |old(~a28~0)|) (and .cse2 .cse17 .cse4 .cse14 .cse15) .cse5 .cse6)))) [2018-11-18 10:48:04,457 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,457 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,457 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,457 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 10:48:04,457 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 10:48:04,457 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 10:48:04,457 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 10:48:04,457 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 10:48:04,457 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 10:48:04,457 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 10:48:04,457 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 10:48:04,457 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 10:48:04,457 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 10:48:04,458 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 10:48:04,458 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 10:48:04,458 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 10:48:04,458 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,458 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,458 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,458 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,458 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,458 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,458 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 10:48:04,458 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 10:48:04,458 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 10:48:04,458 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 10:48:04,459 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 10:48:04,459 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 10:48:04,459 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 10:48:04,459 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 10:48:04,459 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 10:48:04,459 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 10:48:04,459 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 10:48:04,459 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 10:48:04,459 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 10:48:04,459 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 10:48:04,459 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 10:48:04,459 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 10:48:04,460 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,460 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,460 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,460 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,460 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 10:48:04,460 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 10:48:04,460 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 10:48:04,460 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 10:48:04,460 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 10:48:04,460 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 10:48:04,460 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 10:48:04,460 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 10:48:04,460 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 10:48:04,461 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 10:48:04,461 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 10:48:04,461 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 10:48:04,461 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 10:48:04,461 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 10:48:04,461 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 10:48:04,461 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 10:48:04,461 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 10:48:04,461 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 10:48:04,461 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 10:48:04,461 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 10:48:04,461 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 10:48:04,462 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 10:48:04,462 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 10:48:04,462 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 10:48:04,462 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 (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|) (= ~a25~0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-18 10:48:04,462 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 10:48:04,462 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse1 (<= ~a28~0 10)) (.cse2 (<= ~a17~0 8)) (.cse3 (= 1 ~a11~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 .cse2) (<= ~a17~0 7) (and .cse0 (= 1 ~a25~0) .cse2) (not (= 0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (and (not (= ~a25~0 1)) .cse3 .cse2) (not (= 8 |old(~a17~0)|)) (and .cse3 .cse1 (not (= ~a28~0 8)) .cse2) (and (<= ~a17~0 |old(~a17~0)|) .cse3 (not (= ~a19~0 ~a11~0))))) [2018-11-18 10:48:04,462 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 10:48:04,462 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 10:48:04,462 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse1 (<= ~a28~0 10)) (.cse2 (<= ~a17~0 8)) (.cse3 (= 1 ~a11~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 .cse2) (<= ~a17~0 7) (and .cse0 (= 1 ~a25~0) .cse2) (not (= 0 |old(~a25~0)|)) (not (= 1 |old(~a19~0)|)) (and (not (= ~a25~0 1)) .cse3 .cse2) (not (= 8 |old(~a17~0)|)) (and .cse3 .cse1 (not (= ~a28~0 8)) .cse2) (and (<= ~a17~0 |old(~a17~0)|) .cse3 (not (= ~a19~0 ~a11~0))))) [2018-11-18 10:48:04,463 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 10:48:04,463 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 10:48:04,473 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 10:48:04 BoogieIcfgContainer [2018-11-18 10:48:04,473 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 10:48:04,473 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 10:48:04,473 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 10:48:04,473 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 10:48:04,474 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 10:47:41" (3/4) ... [2018-11-18 10:48:04,477 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 10:48:04,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 10:48:04,482 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 10:48:04,483 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 10:48:04,491 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 10:48:04,492 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 10:48:04,512 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || ((a11 == \old(a11) && a28 <= 10) && a17 <= 8)) || a17 <= 7) || ((a11 == \old(a11) && 1 == a25) && a17 <= 8)) || !(0 == \old(a25))) || !(1 == \old(a19))) || ((!(a25 == 1) && 1 == a11) && a17 <= 8)) || !(8 == \old(a17))) || (((1 == a11 && a28 <= 10) && !(a28 == 8)) && a17 <= 8)) || ((a17 <= \old(a17) && 1 == a11) && !(a19 == a11)) [2018-11-18 10:48:04,578 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_45ea6dfa-6d00-4384-b303-85c928ccd4d2/bin-2019/utaipan/witness.graphml [2018-11-18 10:48:04,578 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 10:48:04,579 INFO L168 Benchmark]: Toolchain (without parser) took 24328.37 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 1.0 GB). Free memory was 952.8 MB in the beginning and 1.3 GB in the end (delta: -301.3 MB). Peak memory consumption was 700.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:04,580 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 10:48:04,580 INFO L168 Benchmark]: CACSL2BoogieTranslator took 393.72 ms. Allocated memory is still 1.0 GB. Free memory was 952.8 MB in the beginning and 926.0 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:04,580 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 926.0 MB in the beginning and 1.1 GB in the end (delta: -208.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:04,580 INFO L168 Benchmark]: Boogie Preprocessor took 64.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:04,581 INFO L168 Benchmark]: RCFGBuilder took 975.56 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: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:04,581 INFO L168 Benchmark]: TraceAbstraction took 22699.59 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 857.7 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -253.2 MB). Peak memory consumption was 604.6 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:04,581 INFO L168 Benchmark]: Witness Printer took 105.24 ms. Allocated memory is still 2.0 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. [2018-11-18 10:48:04,582 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 393.72 ms. Allocated memory is still 1.0 GB. Free memory was 952.8 MB in the beginning and 926.0 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 926.0 MB in the beginning and 1.1 GB in the end (delta: -208.1 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 64.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 975.56 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: 103.2 MB). Peak memory consumption was 103.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 22699.59 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 857.7 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -253.2 MB). Peak memory consumption was 604.6 MB. Max. memory is 11.5 GB. * Witness Printer took 105.24 ms. Allocated memory is still 2.0 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.8 MB). Peak memory consumption was 21.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 493]: 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))) || ((a11 == \old(a11) && a28 <= 10) && a17 <= 8)) || a17 <= 7) || ((a11 == \old(a11) && 1 == a25) && a17 <= 8)) || !(0 == \old(a25))) || !(1 == \old(a19))) || ((!(a25 == 1) && 1 == a11) && a17 <= 8)) || !(8 == \old(a17))) || (((1 == a11 && a28 <= 10) && !(a28 == 8)) && a17 <= 8)) || ((a17 <= \old(a17) && 1 == a11) && !(a19 == a11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 22.6s OverallTime, 10 OverallIterations, 5 TraceHistogramMax, 16.2s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1106 SDtfs, 10348 SDslu, 1855 SDs, 0 SdLazy, 15444 SolverSat, 3225 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.6s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 2189 GetRequests, 2000 SyntacticMatches, 13 SemanticMatches, 176 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2315 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2677occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.3s AbstIntTime, 5 AbstIntIterations, 1 AbstIntStrong, 0.9971054739933914 AbsIntWeakeningRatio, 0.22972972972972974 AbsIntAvgWeakeningVarsNumRemoved, 25.43243243243243 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 10 MinimizatonAttempts, 520 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 132 PreInvPairs, 270 NumberOfFragments, 512 HoareAnnotationTreeSize, 132 FomulaSimplifications, 16446 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 7 FomulaSimplificationsInter, 6537 FormulaSimplificationTreeSizeReductionInter, 1.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 2591 NumberOfCodeBlocks, 2591 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 3473 ConstructedInterpolants, 0 QuantifiedInterpolants, 2648490 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2151 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 18 InterpolantComputations, 5 PerfectInterpolantSequences, 2165/2375 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...