./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8722bf73-f76a-4332-b343-e90b5d8d2580/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8722bf73-f76a-4332-b343-e90b5d8d2580/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8722bf73-f76a-4332-b343-e90b5d8d2580/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8722bf73-f76a-4332-b343-e90b5d8d2580/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8722bf73-f76a-4332-b343-e90b5d8d2580/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8722bf73-f76a-4332-b343-e90b5d8d2580/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 e521cfa02db8c2eac8727300620f5ffec2ecc0c7 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 11:50:46,634 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 11:50:46,635 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 11:50:46,642 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 11:50:46,642 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 11:50:46,643 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 11:50:46,644 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 11:50:46,645 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 11:50:46,646 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 11:50:46,647 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 11:50:46,647 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 11:50:46,648 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 11:50:46,648 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 11:50:46,649 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 11:50:46,650 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 11:50:46,650 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 11:50:46,651 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 11:50:46,652 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 11:50:46,653 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 11:50:46,655 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 11:50:46,656 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 11:50:46,656 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 11:50:46,658 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 11:50:46,658 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 11:50:46,658 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 11:50:46,659 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 11:50:46,660 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 11:50:46,660 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 11:50:46,661 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 11:50:46,662 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 11:50:46,662 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 11:50:46,663 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 11:50:46,663 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 11:50:46,663 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 11:50:46,664 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 11:50:46,664 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 11:50:46,664 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8722bf73-f76a-4332-b343-e90b5d8d2580/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 11:50:46,674 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 11:50:46,674 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 11:50:46,675 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 11:50:46,675 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 11:50:46,675 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 11:50:46,675 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 11:50:46,675 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 11:50:46,675 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 11:50:46,676 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 11:50:46,676 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 11:50:46,676 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 11:50:46,676 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 11:50:46,676 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 11:50:46,676 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 11:50:46,677 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 11:50:46,677 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 11:50:46,677 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 11:50:46,677 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 11:50:46,677 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 11:50:46,677 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 11:50:46,677 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 11:50:46,678 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 11:50:46,678 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 11:50:46,678 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 11:50:46,678 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 11:50:46,678 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 11:50:46,678 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 11:50:46,678 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 11:50:46,678 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 11:50:46,679 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:50:46,679 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 11:50:46,679 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 11:50:46,679 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 11:50:46,679 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 11:50:46,679 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 11:50:46,679 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 11:50:46,679 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 11:50:46,679 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_8722bf73-f76a-4332-b343-e90b5d8d2580/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 -> e521cfa02db8c2eac8727300620f5ffec2ecc0c7 [2018-11-23 11:50:46,703 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 11:50:46,711 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 11:50:46,712 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 11:50:46,713 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 11:50:46,714 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 11:50:46,714 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8722bf73-f76a-4332-b343-e90b5d8d2580/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c [2018-11-23 11:50:46,750 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8722bf73-f76a-4332-b343-e90b5d8d2580/bin-2019/utaipan/data/920515363/bda9af74d23f45a286385f1825f15a6a/FLAGdc119777b [2018-11-23 11:50:47,192 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 11:50:47,193 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8722bf73-f76a-4332-b343-e90b5d8d2580/sv-benchmarks/c/eca-rers2012/Problem02_label00_true-unreach-call_false-termination.c [2018-11-23 11:50:47,202 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8722bf73-f76a-4332-b343-e90b5d8d2580/bin-2019/utaipan/data/920515363/bda9af74d23f45a286385f1825f15a6a/FLAGdc119777b [2018-11-23 11:50:47,214 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8722bf73-f76a-4332-b343-e90b5d8d2580/bin-2019/utaipan/data/920515363/bda9af74d23f45a286385f1825f15a6a [2018-11-23 11:50:47,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 11:50:47,217 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 11:50:47,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 11:50:47,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 11:50:47,220 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 11:50:47,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:50:47" (1/1) ... [2018-11-23 11:50:47,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e234a26 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:47, skipping insertion in model container [2018-11-23 11:50:47,222 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:50:47" (1/1) ... [2018-11-23 11:50:47,228 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 11:50:47,261 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 11:50:47,498 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:50:47,502 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 11:50:47,566 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 11:50:47,576 INFO L195 MainTranslator]: Completed translation [2018-11-23 11:50:47,576 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:47 WrapperNode [2018-11-23 11:50:47,576 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 11:50:47,577 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 11:50:47,577 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 11:50:47,577 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 11:50:47,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:47" (1/1) ... [2018-11-23 11:50:47,641 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:47" (1/1) ... [2018-11-23 11:50:47,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 11:50:47,649 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 11:50:47,649 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 11:50:47,649 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 11:50:47,657 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:47" (1/1) ... [2018-11-23 11:50:47,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:47" (1/1) ... [2018-11-23 11:50:47,661 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:47" (1/1) ... [2018-11-23 11:50:47,661 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:47" (1/1) ... [2018-11-23 11:50:47,683 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:47" (1/1) ... [2018-11-23 11:50:47,692 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:47" (1/1) ... [2018-11-23 11:50:47,696 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:47" (1/1) ... [2018-11-23 11:50:47,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 11:50:47,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 11:50:47,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 11:50:47,701 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 11:50:47,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8722bf73-f76a-4332-b343-e90b5d8d2580/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 11:50:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 11:50:47,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 11:50:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 11:50:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 11:50:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 11:50:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 11:50:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 11:50:47,747 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 11:50:47,747 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 11:50:48,716 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 11:50:48,716 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 11:50:48,717 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:50:48 BoogieIcfgContainer [2018-11-23 11:50:48,717 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 11:50:48,718 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 11:50:48,718 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 11:50:48,720 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 11:50:48,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:50:47" (1/3) ... [2018-11-23 11:50:48,721 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cc9a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:50:48, skipping insertion in model container [2018-11-23 11:50:48,721 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:50:47" (2/3) ... [2018-11-23 11:50:48,722 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15cc9a5d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:50:48, skipping insertion in model container [2018-11-23 11:50:48,722 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:50:48" (3/3) ... [2018-11-23 11:50:48,723 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label00_true-unreach-call_false-termination.c [2018-11-23 11:50:48,730 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 11:50:48,735 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 11:50:48,745 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 11:50:48,768 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 11:50:48,768 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 11:50:48,768 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 11:50:48,768 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 11:50:48,768 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 11:50:48,768 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 11:50:48,769 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 11:50:48,769 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 11:50:48,785 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 11:50:48,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-11-23 11:50:48,793 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:50:48,794 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:50:48,795 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:50:48,799 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:50:48,799 INFO L82 PathProgramCache]: Analyzing trace with hash 1022555377, now seen corresponding path program 1 times [2018-11-23 11:50:48,801 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:50:48,830 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:50:48,831 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:50:48,831 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:50:48,831 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:50:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:49,087 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:50:49,089 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:50:49,089 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 11:50:49,089 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:50:49,093 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 11:50:49,101 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 11:50:49,101 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:50:49,103 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-23 11:50:49,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:50:49,669 INFO L93 Difference]: Finished difference Result 615 states and 1053 transitions. [2018-11-23 11:50:49,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 11:50:49,672 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 121 [2018-11-23 11:50:49,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:50:49,683 INFO L225 Difference]: With dead ends: 615 [2018-11-23 11:50:49,683 INFO L226 Difference]: Without dead ends: 377 [2018-11-23 11:50:49,687 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 11:50:49,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2018-11-23 11:50:49,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 377. [2018-11-23 11:50:49,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2018-11-23 11:50:49,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 619 transitions. [2018-11-23 11:50:49,732 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 619 transitions. Word has length 121 [2018-11-23 11:50:49,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:50:49,733 INFO L480 AbstractCegarLoop]: Abstraction has 377 states and 619 transitions. [2018-11-23 11:50:49,733 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 11:50:49,733 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 619 transitions. [2018-11-23 11:50:49,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-23 11:50:49,737 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:50:49,737 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:50:49,738 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:50:49,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:50:49,739 INFO L82 PathProgramCache]: Analyzing trace with hash 145020396, now seen corresponding path program 1 times [2018-11-23 11:50:49,739 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:50:49,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:50:49,740 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:50:49,740 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:50:49,740 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:50:49,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:49,829 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:50:49,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:50:49,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 11:50:49,830 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:50:49,831 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:50:49,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:50:49,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:50:49,832 INFO L87 Difference]: Start difference. First operand 377 states and 619 transitions. Second operand 6 states. [2018-11-23 11:50:50,494 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:50:50,494 INFO L93 Difference]: Finished difference Result 1220 states and 2085 transitions. [2018-11-23 11:50:50,495 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 11:50:50,495 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 136 [2018-11-23 11:50:50,495 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:50:50,500 INFO L225 Difference]: With dead ends: 1220 [2018-11-23 11:50:50,500 INFO L226 Difference]: Without dead ends: 849 [2018-11-23 11:50:50,503 INFO L631 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 [2018-11-23 11:50:50,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 849 states. [2018-11-23 11:50:50,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 849 to 819. [2018-11-23 11:50:50,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 819 states. [2018-11-23 11:50:50,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 819 states to 819 states and 1288 transitions. [2018-11-23 11:50:50,540 INFO L78 Accepts]: Start accepts. Automaton has 819 states and 1288 transitions. Word has length 136 [2018-11-23 11:50:50,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:50:50,541 INFO L480 AbstractCegarLoop]: Abstraction has 819 states and 1288 transitions. [2018-11-23 11:50:50,541 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:50:50,541 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1288 transitions. [2018-11-23 11:50:50,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-23 11:50:50,544 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:50:50,544 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:50:50,545 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:50:50,545 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:50:50,545 INFO L82 PathProgramCache]: Analyzing trace with hash -1177628319, now seen corresponding path program 1 times [2018-11-23 11:50:50,545 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:50:50,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:50:50,547 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:50:50,547 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:50:50,547 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:50:50,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:50,730 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:50:50,730 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 11:50:50,730 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 11:50:50,731 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:50:50,731 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 11:50:50,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 11:50:50,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:50:50,732 INFO L87 Difference]: Start difference. First operand 819 states and 1288 transitions. Second operand 5 states. [2018-11-23 11:50:51,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:50:51,251 INFO L93 Difference]: Finished difference Result 1769 states and 2825 transitions. [2018-11-23 11:50:51,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 11:50:51,252 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 147 [2018-11-23 11:50:51,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:50:51,256 INFO L225 Difference]: With dead ends: 1769 [2018-11-23 11:50:51,258 INFO L226 Difference]: Without dead ends: 809 [2018-11-23 11:50:51,262 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-23 11:50:51,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 809 states. [2018-11-23 11:50:51,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 809 to 809. [2018-11-23 11:50:51,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 809 states. [2018-11-23 11:50:51,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 809 states to 809 states and 1256 transitions. [2018-11-23 11:50:51,285 INFO L78 Accepts]: Start accepts. Automaton has 809 states and 1256 transitions. Word has length 147 [2018-11-23 11:50:51,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:50:51,286 INFO L480 AbstractCegarLoop]: Abstraction has 809 states and 1256 transitions. [2018-11-23 11:50:51,286 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 11:50:51,286 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1256 transitions. [2018-11-23 11:50:51,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-23 11:50:51,289 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:50:51,289 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:50:51,289 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:50:51,289 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:50:51,289 INFO L82 PathProgramCache]: Analyzing trace with hash -2040126092, now seen corresponding path program 1 times [2018-11-23 11:50:51,289 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:50:51,291 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:50:51,291 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:50:51,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:50:51,292 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:50:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:51,445 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 59 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-23 11:50:51,445 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:50:51,445 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:50:51,446 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 188 with the following transitions: [2018-11-23 11:50:51,448 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [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], [225], [228], [232], [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], [587], [595], [603], [611], [619], [627], [635], [643], [647], [649], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 11:50:51,485 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:50:51,485 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:50:51,831 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 11:50:51,832 INFO L272 AbstractInterpreter]: Visited 122 different actions 122 times. Never merged. Never widened. Performed 1358 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1358 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-23 11:50:51,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:50:51,845 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 11:50:52,159 INFO L227 lantSequenceWeakener]: Weakened 176 states. On average, predicates are now at 80.92% of their original sizes. [2018-11-23 11:50:52,159 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 11:50:52,183 INFO L415 sIntCurrentIteration]: We unified 186 AI predicates to 186 [2018-11-23 11:50:52,184 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 11:50:52,184 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:50:52,185 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 11:50:52,185 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:50:52,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 11:50:52,185 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 11:50:52,185 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 11:50:52,186 INFO L87 Difference]: Start difference. First operand 809 states and 1256 transitions. Second operand 6 states. [2018-11-23 11:50:53,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:50:53,788 INFO L93 Difference]: Finished difference Result 1760 states and 2727 transitions. [2018-11-23 11:50:53,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 11:50:53,788 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 187 [2018-11-23 11:50:53,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:50:53,792 INFO L225 Difference]: With dead ends: 1760 [2018-11-23 11:50:53,792 INFO L226 Difference]: Without dead ends: 957 [2018-11-23 11:50:53,795 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 187 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 11:50:53,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 957 states. [2018-11-23 11:50:53,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 957 to 955. [2018-11-23 11:50:53,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 955 states. [2018-11-23 11:50:53,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 955 states and 1409 transitions. [2018-11-23 11:50:53,816 INFO L78 Accepts]: Start accepts. Automaton has 955 states and 1409 transitions. Word has length 187 [2018-11-23 11:50:53,817 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:50:53,817 INFO L480 AbstractCegarLoop]: Abstraction has 955 states and 1409 transitions. [2018-11-23 11:50:53,817 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 11:50:53,817 INFO L276 IsEmpty]: Start isEmpty. Operand 955 states and 1409 transitions. [2018-11-23 11:50:53,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-23 11:50:53,821 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:50:53,821 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 11:50:53,821 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:50:53,822 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:50:53,822 INFO L82 PathProgramCache]: Analyzing trace with hash -997302813, now seen corresponding path program 1 times [2018-11-23 11:50:53,823 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:50:53,823 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:50:53,823 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:50:53,824 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:50:53,824 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:50:53,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:53,953 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 69 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 11:50:53,953 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:50:53,953 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:50:53,953 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-11-23 11:50:53,954 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [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], [225], [228], [232], [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], [587], [595], [603], [611], [619], [627], [635], [643], [647], [649], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 11:50:53,957 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:50:53,957 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:50:54,310 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 11:50:54,311 INFO L272 AbstractInterpreter]: Visited 126 different actions 373 times. Merged at 6 different actions 15 times. Never widened. Performed 4240 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4240 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 11:50:54,322 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:50:54,322 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 11:50:54,586 INFO L227 lantSequenceWeakener]: Weakened 191 states. On average, predicates are now at 84.59% of their original sizes. [2018-11-23 11:50:54,586 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 11:50:54,643 INFO L415 sIntCurrentIteration]: We unified 195 AI predicates to 195 [2018-11-23 11:50:54,643 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 11:50:54,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:50:54,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-23 11:50:54,644 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:50:54,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 11:50:54,644 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 11:50:54,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 11:50:54,645 INFO L87 Difference]: Start difference. First operand 955 states and 1409 transitions. Second operand 9 states. [2018-11-23 11:50:57,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:50:57,767 INFO L93 Difference]: Finished difference Result 2360 states and 3493 transitions. [2018-11-23 11:50:57,767 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 11:50:57,767 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 196 [2018-11-23 11:50:57,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:50:57,773 INFO L225 Difference]: With dead ends: 2360 [2018-11-23 11:50:57,773 INFO L226 Difference]: Without dead ends: 1411 [2018-11-23 11:50:57,776 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 203 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-23 11:50:57,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1411 states. [2018-11-23 11:50:57,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1411 to 1334. [2018-11-23 11:50:57,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1334 states. [2018-11-23 11:50:57,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1334 states to 1334 states and 1886 transitions. [2018-11-23 11:50:57,808 INFO L78 Accepts]: Start accepts. Automaton has 1334 states and 1886 transitions. Word has length 196 [2018-11-23 11:50:57,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:50:57,808 INFO L480 AbstractCegarLoop]: Abstraction has 1334 states and 1886 transitions. [2018-11-23 11:50:57,809 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 11:50:57,809 INFO L276 IsEmpty]: Start isEmpty. Operand 1334 states and 1886 transitions. [2018-11-23 11:50:57,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-23 11:50:57,813 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:50:57,813 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:50:57,814 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:50:57,814 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:50:57,814 INFO L82 PathProgramCache]: Analyzing trace with hash 315167587, now seen corresponding path program 1 times [2018-11-23 11:50:57,814 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:50:57,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:50:57,815 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:50:57,815 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:50:57,815 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:50:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:50:57,901 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 101 proven. 22 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 11:50:57,901 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:50:57,901 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:50:57,901 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 223 with the following transitions: [2018-11-23 11:50:57,902 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [647], [649], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 11:50:57,905 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:50:57,905 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:50:58,016 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 11:50:58,017 INFO L272 AbstractInterpreter]: Visited 126 different actions 246 times. Merged at 4 different actions 4 times. Never widened. Performed 2688 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2688 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-11-23 11:50:58,018 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:50:58,018 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 11:50:58,179 INFO L227 lantSequenceWeakener]: Weakened 217 states. On average, predicates are now at 80.9% of their original sizes. [2018-11-23 11:50:58,179 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 11:50:58,239 INFO L415 sIntCurrentIteration]: We unified 221 AI predicates to 221 [2018-11-23 11:50:58,239 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 11:50:58,239 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 11:50:58,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-23 11:50:58,239 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 11:50:58,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 11:50:58,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 11:50:58,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 11:50:58,240 INFO L87 Difference]: Start difference. First operand 1334 states and 1886 transitions. Second operand 10 states. [2018-11-23 11:51:00,683 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:51:00,683 INFO L93 Difference]: Finished difference Result 2958 states and 4155 transitions. [2018-11-23 11:51:00,683 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-23 11:51:00,683 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 222 [2018-11-23 11:51:00,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:51:00,688 INFO L225 Difference]: With dead ends: 2958 [2018-11-23 11:51:00,689 INFO L226 Difference]: Without dead ends: 1630 [2018-11-23 11:51:00,692 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 231 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 11:51:00,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1630 states. [2018-11-23 11:51:00,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1630 to 1627. [2018-11-23 11:51:00,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1627 states. [2018-11-23 11:51:00,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1627 states and 2224 transitions. [2018-11-23 11:51:00,726 INFO L78 Accepts]: Start accepts. Automaton has 1627 states and 2224 transitions. Word has length 222 [2018-11-23 11:51:00,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:51:00,726 INFO L480 AbstractCegarLoop]: Abstraction has 1627 states and 2224 transitions. [2018-11-23 11:51:00,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 11:51:00,726 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 2224 transitions. [2018-11-23 11:51:00,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-23 11:51:00,731 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 11:51:00,731 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 11:51:00,732 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 11:51:00,732 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:51:00,732 INFO L82 PathProgramCache]: Analyzing trace with hash -1259980821, now seen corresponding path program 1 times [2018-11-23 11:51:00,732 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 11:51:00,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:51:00,733 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:51:00,733 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 11:51:00,733 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 11:51:00,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:51:00,907 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 116 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 11:51:00,907 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:51:00,907 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 11:51:00,908 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 227 with the following transitions: [2018-11-23 11:51:00,908 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [301], [306], [308], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [647], [649], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 11:51:00,911 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 11:51:00,911 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 11:51:01,117 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 11:51:01,117 INFO L272 AbstractInterpreter]: Visited 129 different actions 378 times. Merged at 7 different actions 17 times. Never widened. Performed 4494 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4494 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 11:51:01,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 11:51:01,127 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 11:51:01,127 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 11:51:01,127 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8722bf73-f76a-4332-b343-e90b5d8d2580/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 11:51:01,133 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 11:51:01,133 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 11:51:01,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 11:51:01,209 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 11:51:01,342 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 11:51:01,342 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 11:51:01,467 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 130 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 11:51:01,493 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 11:51:01,493 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 16 [2018-11-23 11:51:01,494 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 11:51:01,494 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-23 11:51:01,494 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-23 11:51:01,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=176, Unknown=0, NotChecked=0, Total=240 [2018-11-23 11:51:01,495 INFO L87 Difference]: Start difference. First operand 1627 states and 2224 transitions. Second operand 15 states. [2018-11-23 11:51:03,894 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 11:51:03,895 INFO L93 Difference]: Finished difference Result 4394 states and 6149 transitions. [2018-11-23 11:51:03,895 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 11:51:03,895 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 226 [2018-11-23 11:51:03,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 11:51:03,895 INFO L225 Difference]: With dead ends: 4394 [2018-11-23 11:51:03,895 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 11:51:03,903 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 488 GetRequests, 459 SyntacticMatches, 3 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 165 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=222, Invalid=534, Unknown=0, NotChecked=0, Total=756 [2018-11-23 11:51:03,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 11:51:03,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 11:51:03,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 11:51:03,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 11:51:03,904 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 226 [2018-11-23 11:51:03,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 11:51:03,904 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 11:51:03,904 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-23 11:51:03,904 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 11:51:03,904 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 11:51:03,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 11:51:03,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:51:03,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:51:03,980 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:51:03,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 11:51:04,294 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 57 [2018-11-23 11:51:04,574 WARN L180 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 37 [2018-11-23 11:51:04,576 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:51:04,577 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= ~a17~0 |old(~a17~0)|)) [2018-11-23 11:51:04,577 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:51:04,577 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,577 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,577 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,577 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,577 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,577 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 11:51:04,577 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 11:51:04,577 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 11:51:04,577 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 11:51:04,577 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 11:51:04,578 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 11:51:04,578 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 11:51:04,578 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 11:51:04,581 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 11:51:04,581 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 11:51:04,581 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 11:51:04,581 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 11:51:04,581 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 11:51:04,581 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,582 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,582 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,582 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,582 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 11:51:04,582 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,582 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 11:51:04,582 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 11:51:04,582 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 11:51:04,582 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 11:51:04,582 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 11:51:04,582 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 11:51:04,583 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 11:51:04,583 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 11:51:04,583 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 11:51:04,583 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 11:51:04,583 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 11:51:04,583 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 11:51:04,583 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 11:51:04,583 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 11:51:04,583 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 517) no Hoare annotation was computed. [2018-11-23 11:51:04,583 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 11:51:04,583 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,583 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,584 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,584 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,584 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,584 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 11:51:04,584 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 11:51:04,584 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 11:51:04,584 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 11:51:04,584 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 11:51:04,584 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 11:51:04,584 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 11:51:04,584 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 11:51:04,584 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 11:51:04,584 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 11:51:04,585 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 11:51:04,585 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,585 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,585 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,585 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,585 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,585 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 11:51:04,585 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 11:51:04,585 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 11:51:04,585 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 11:51:04,585 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 11:51:04,585 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 11:51:04,585 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 11:51:04,585 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 11:51:04,586 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 11:51:04,586 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 11:51:04,586 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 11:51:04,586 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 11:51:04,586 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 11:51:04,586 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,586 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,586 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,586 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,586 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,586 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 11:51:04,586 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 11:51:04,586 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 11:51:04,587 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 11:51:04,587 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 11:51:04,587 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 11:51:04,587 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 11:51:04,587 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 11:51:04,587 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 11:51:04,587 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 11:51:04,587 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 11:51:04,587 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 11:51:04,587 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 11:51:04,587 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 11:51:04,587 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 11:51:04,587 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 11:51:04,588 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 11:51:04,589 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 11:51:04,589 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 11:51:04,589 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,589 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,589 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,589 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,589 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,589 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,589 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 11:51:04,589 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 11:51:04,589 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 11:51:04,589 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 11:51:04,589 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 11:51:04,589 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 11:51:04,589 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 11:51:04,589 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 11:51:04,589 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 11:51:04,589 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 11:51:04,590 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 11:51:04,590 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,590 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,590 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,590 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,590 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,590 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,590 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 11:51:04,590 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 11:51:04,590 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 11:51:04,590 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 11:51:04,590 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 11:51:04,590 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 11:51:04,590 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 11:51:04,590 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 11:51:04,590 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 11:51:04,590 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 11:51:04,590 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 11:51:04,591 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 11:51:04,591 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 11:51:04,591 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 11:51:04,591 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,591 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,591 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,591 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse2 (= |old(~a17~0)| |old(~a28~0)|)) (.cse3 (= |old(~a28~0)| ~a28~0)) (.cse4 (= |old(~a19~0)| ~a19~0)) (.cse5 (= ~a11~0 |old(~a11~0)|)) (.cse0 (not (= 1 ~a21~0))) (.cse6 (= 7 ~a17~0)) (.cse1 (not (= 1 |old(~a19~0)|))) (.cse7 (not (= 7 |old(~a17~0)|)))) (and (or .cse0 .cse1 (= 0 |old(~a28~0)|) (= ~a25~0 0) .cse2 (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (= |calculate_output_#in~input| 0) (not (= 0 |old(~a25~0)|))) (or .cse0 (and .cse3 .cse4 .cse5 (= ~a17~0 |old(~a17~0)|)) (not (= |old(~a17~0)| 8))) (or .cse0 .cse2 (and .cse3 .cse4 .cse5 .cse6) .cse7) (or .cse0 (and (= 7 ~a28~0) (= 1 ~a11~0) .cse6 (= 1 ~a25~0) (= 1 ~a19~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a25~0)|)) .cse1 (not (= 1 |old(~a11~0)|)) .cse7))) [2018-11-23 11:51:04,591 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,591 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,591 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,591 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 11:51:04,591 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 11:51:04,591 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 11:51:04,591 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 11:51:04,592 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 11:51:04,592 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 11:51:04,592 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 11:51:04,592 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 11:51:04,592 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 11:51:04,592 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 11:51:04,592 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 11:51:04,592 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 11:51:04,592 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 11:51:04,592 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,592 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,592 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,592 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,592 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,592 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,592 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 11:51:04,592 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 11:51:04,592 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 11:51:04,592 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 11:51:04,593 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 11:51:04,593 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 11:51:04,593 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 11:51:04,593 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 11:51:04,593 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 11:51:04,593 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 11:51:04,593 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 11:51:04,593 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 11:51:04,593 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 11:51:04,593 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 11:51:04,593 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 11:51:04,593 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 11:51:04,593 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,593 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,593 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,593 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,593 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 11:51:04,593 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 11:51:04,593 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 11:51:04,594 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 11:51:04,594 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 11:51:04,594 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 11:51:04,594 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 11:51:04,594 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 11:51:04,594 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 11:51:04,594 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 11:51:04,594 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 11:51:04,594 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 11:51:04,594 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 11:51:04,594 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 11:51:04,594 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 11:51:04,594 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 11:51:04,594 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 11:51:04,595 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 11:51:04,595 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 11:51:04,595 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 11:51:04,595 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 11:51:04,595 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-23 11:51:04,595 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 11:51:04,595 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 11:51:04,595 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7)) (not (= 0 |old(~a25~0)|))) [2018-11-23 11:51:04,595 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (= 7 ~a17~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (not (= ~a28~0 ~a17~0)) .cse0) (not (= 0 |old(~a11~0)|)) (= |old(~a17~0)| ~a17~0) (and (= 1 ~a11~0) .cse0 (= 1 ~a25~0) (= 1 ~a19~0)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-23 11:51:04,595 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 11:51:04,596 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 11:51:04,596 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (= 7 ~a17~0))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and (not (= ~a28~0 ~a17~0)) .cse0) (not (= 0 |old(~a11~0)|)) (= |old(~a17~0)| ~a17~0) (and (= 1 ~a11~0) .cse0 (= 1 ~a25~0) (= 1 ~a19~0)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)))) [2018-11-23 11:51:04,596 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 11:51:04,596 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 11:51:04,605 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:51:04 BoogieIcfgContainer [2018-11-23 11:51:04,605 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 11:51:04,605 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 11:51:04,605 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 11:51:04,605 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 11:51:04,606 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:50:48" (3/4) ... [2018-11-23 11:51:04,609 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 11:51:04,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 11:51:04,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 11:51:04,614 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 11:51:04,624 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 11:51:04,625 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 11:51:04,647 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == a21) || !(7 == \old(a28))) || (!(a28 == a17) && 7 == a17)) || !(0 == \old(a11))) || \old(a17) == a17) || (((1 == a11 && 7 == a17) && 1 == a25) && 1 == a19)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) [2018-11-23 11:51:04,710 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8722bf73-f76a-4332-b343-e90b5d8d2580/bin-2019/utaipan/witness.graphml [2018-11-23 11:51:04,710 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 11:51:04,711 INFO L168 Benchmark]: Toolchain (without parser) took 17494.56 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 801.6 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -257.7 MB). Peak memory consumption was 544.0 MB. Max. memory is 11.5 GB. [2018-11-23 11:51:04,711 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 11:51:04,712 INFO L168 Benchmark]: CACSL2BoogieTranslator took 359.26 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 916.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-23 11:51:04,712 INFO L168 Benchmark]: Boogie Procedure Inliner took 71.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 916.2 MB in the beginning and 1.1 GB in the end (delta: -205.9 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-23 11:51:04,712 INFO L168 Benchmark]: Boogie Preprocessor took 52.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 11:51:04,712 INFO L168 Benchmark]: RCFGBuilder took 1015.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 11.5 GB. [2018-11-23 11:51:04,712 INFO L168 Benchmark]: TraceAbstraction took 15887.27 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 675.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -210.7 MB). Peak memory consumption was 464.5 MB. Max. memory is 11.5 GB. [2018-11-23 11:51:04,712 INFO L168 Benchmark]: Witness Printer took 105.05 ms. Allocated memory is still 1.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-23 11:51:04,713 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 359.26 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 916.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 71.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.4 MB). Free memory was 916.2 MB in the beginning and 1.1 GB in the end (delta: -205.9 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.19 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1015.81 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.0 MB). Peak memory consumption was 106.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 15887.27 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 675.3 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -210.7 MB). Peak memory consumption was 464.5 MB. Max. memory is 11.5 GB. * Witness Printer took 105.05 ms. Allocated memory is still 1.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 517]: 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))) || (!(a28 == a17) && 7 == a17)) || !(0 == \old(a11))) || \old(a17) == a17) || (((1 == a11 && 7 == a17) && 1 == a25) && 1 == a19)) || !(1 == \old(a19))) || !(8 == \old(a17))) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 15.8s OverallTime, 7 OverallIterations, 4 TraceHistogramMax, 11.3s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1142 SDtfs, 5787 SDslu, 1179 SDs, 0 SdLazy, 7166 SolverSat, 1475 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.7s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1132 GetRequests, 1051 SyntacticMatches, 6 SemanticMatches, 75 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 256 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1627occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.1s AbstIntTime, 4 AbstIntIterations, 3 AbstIntStrong, 0.9974714494422282 AbsIntWeakeningRatio, 0.20431893687707642 AbsIntAvgWeakeningVarsNumRemoved, 26.659468438538205 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 7 MinimizatonAttempts, 112 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 55 PreInvPairs, 89 NumberOfFragments, 294 HoareAnnotationTreeSize, 55 FomulaSimplifications, 2002 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1411 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1461 NumberOfCodeBlocks, 1461 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 1678 ConstructedInterpolants, 0 QuantifiedInterpolants, 979169 SizeOfPredicates, 1 NumberOfNonLiveVariables, 532 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 9 InterpolantComputations, 3 PerfectInterpolantSequences, 676/746 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...