./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a8a5f2a0-43e9-478c-a38d-9538ca9237c0/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a8a5f2a0-43e9-478c-a38d-9538ca9237c0/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a8a5f2a0-43e9-478c-a38d-9538ca9237c0/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a8a5f2a0-43e9-478c-a38d-9538ca9237c0/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a8a5f2a0-43e9-478c-a38d-9538ca9237c0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a8a5f2a0-43e9-478c-a38d-9538ca9237c0/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 3449156d5b203ef4b6a1a68bea9e5efb1d4b37b1 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 08:55:40,789 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 08:55:40,790 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 08:55:40,796 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 08:55:40,796 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 08:55:40,797 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 08:55:40,797 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 08:55:40,798 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 08:55:40,799 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 08:55:40,800 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 08:55:40,800 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 08:55:40,800 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 08:55:40,801 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 08:55:40,802 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 08:55:40,802 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 08:55:40,803 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 08:55:40,803 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 08:55:40,804 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 08:55:40,805 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 08:55:40,806 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 08:55:40,807 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 08:55:40,807 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 08:55:40,808 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 08:55:40,809 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 08:55:40,809 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 08:55:40,809 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 08:55:40,810 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 08:55:40,810 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 08:55:40,811 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 08:55:40,811 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 08:55:40,811 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 08:55:40,812 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 08:55:40,812 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 08:55:40,812 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 08:55:40,813 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 08:55:40,813 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 08:55:40,813 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a8a5f2a0-43e9-478c-a38d-9538ca9237c0/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 08:55:40,821 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 08:55:40,821 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 08:55:40,821 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 08:55:40,822 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 08:55:40,822 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 08:55:40,822 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 08:55:40,822 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 08:55:40,822 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 08:55:40,822 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 08:55:40,822 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 08:55:40,822 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 08:55:40,822 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 08:55:40,823 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 08:55:40,823 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 08:55:40,823 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 08:55:40,823 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 08:55:40,823 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 08:55:40,823 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 08:55:40,823 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 08:55:40,824 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 08:55:40,824 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 08:55:40,824 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 08:55:40,824 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 08:55:40,824 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 08:55:40,824 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 08:55:40,824 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 08:55:40,824 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 08:55:40,824 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 08:55:40,824 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:55:40,824 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 08:55:40,825 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 08:55:40,825 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 08:55:40,825 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 08:55:40,825 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 08:55:40,825 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 08:55:40,825 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 08:55:40,825 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_a8a5f2a0-43e9-478c-a38d-9538ca9237c0/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 -> 3449156d5b203ef4b6a1a68bea9e5efb1d4b37b1 [2018-12-02 08:55:40,842 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 08:55:40,849 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 08:55:40,851 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 08:55:40,852 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 08:55:40,852 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 08:55:40,853 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a8a5f2a0-43e9-478c-a38d-9538ca9237c0/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c [2018-12-02 08:55:40,886 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8a5f2a0-43e9-478c-a38d-9538ca9237c0/bin-2019/utaipan/data/8bb8c2774/d61bc9c0737b4caaafda59adf8d22f43/FLAG78f83cc92 [2018-12-02 08:55:41,313 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 08:55:41,313 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a8a5f2a0-43e9-478c-a38d-9538ca9237c0/sv-benchmarks/c/eca-rers2012/Problem01_label29_true-unreach-call_false-termination.c [2018-12-02 08:55:41,320 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a8a5f2a0-43e9-478c-a38d-9538ca9237c0/bin-2019/utaipan/data/8bb8c2774/d61bc9c0737b4caaafda59adf8d22f43/FLAG78f83cc92 [2018-12-02 08:55:41,328 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a8a5f2a0-43e9-478c-a38d-9538ca9237c0/bin-2019/utaipan/data/8bb8c2774/d61bc9c0737b4caaafda59adf8d22f43 [2018-12-02 08:55:41,330 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 08:55:41,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 08:55:41,331 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 08:55:41,331 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 08:55:41,333 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 08:55:41,334 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:55:41" (1/1) ... [2018-12-02 08:55:41,335 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:41, skipping insertion in model container [2018-12-02 08:55:41,335 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:55:41" (1/1) ... [2018-12-02 08:55:41,339 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 08:55:41,362 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 08:55:41,531 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:55:41,534 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 08:55:41,633 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 08:55:41,643 INFO L195 MainTranslator]: Completed translation [2018-12-02 08:55:41,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:41 WrapperNode [2018-12-02 08:55:41,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 08:55:41,644 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 08:55:41,644 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 08:55:41,644 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 08:55:41,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:41" (1/1) ... [2018-12-02 08:55:41,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:41" (1/1) ... [2018-12-02 08:55:41,668 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 08:55:41,668 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 08:55:41,668 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 08:55:41,668 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 08:55:41,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:41" (1/1) ... [2018-12-02 08:55:41,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:41" (1/1) ... [2018-12-02 08:55:41,678 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:41" (1/1) ... [2018-12-02 08:55:41,678 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:41" (1/1) ... [2018-12-02 08:55:41,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:41" (1/1) ... [2018-12-02 08:55:41,709 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:41" (1/1) ... [2018-12-02 08:55:41,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:41" (1/1) ... [2018-12-02 08:55:41,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 08:55:41,719 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 08:55:41,719 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 08:55:41,719 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 08:55:41,720 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8a5f2a0-43e9-478c-a38d-9538ca9237c0/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 08:55:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 08:55:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 08:55:41,764 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 08:55:41,764 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 08:55:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 08:55:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 08:55:41,765 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 08:55:41,765 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 08:55:42,277 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 08:55:42,277 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 08:55:42,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:55:42 BoogieIcfgContainer [2018-12-02 08:55:42,278 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 08:55:42,279 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 08:55:42,279 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 08:55:42,282 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 08:55:42,282 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:55:41" (1/3) ... [2018-12-02 08:55:42,282 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1defa1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:55:42, skipping insertion in model container [2018-12-02 08:55:42,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:55:41" (2/3) ... [2018-12-02 08:55:42,283 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1defa1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:55:42, skipping insertion in model container [2018-12-02 08:55:42,283 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:55:42" (3/3) ... [2018-12-02 08:55:42,284 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label29_true-unreach-call_false-termination.c [2018-12-02 08:55:42,292 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 08:55:42,299 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 08:55:42,309 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 08:55:42,329 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 08:55:42,329 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 08:55:42,329 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 08:55:42,329 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 08:55:42,329 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 08:55:42,330 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 08:55:42,330 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 08:55:42,330 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 08:55:42,343 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-02 08:55:42,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 08:55:42,349 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:55:42,349 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] [2018-12-02 08:55:42,351 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:55:42,354 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:42,354 INFO L82 PathProgramCache]: Analyzing trace with hash -1243928705, now seen corresponding path program 1 times [2018-12-02 08:55:42,356 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:55:42,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:42,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:42,386 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:42,386 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:55:42,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:42,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:55:42,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:55:42,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 08:55:42,619 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:55:42,624 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 08:55:42,635 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 08:55:42,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:55:42,638 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-02 08:55:43,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:55:43,069 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-02 08:55:43,069 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 08:55:43,070 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-12-02 08:55:43,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:55:43,078 INFO L225 Difference]: With dead ends: 547 [2018-12-02 08:55:43,078 INFO L226 Difference]: Without dead ends: 278 [2018-12-02 08:55:43,081 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:55:43,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-02 08:55:43,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-02 08:55:43,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-02 08:55:43,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 400 transitions. [2018-12-02 08:55:43,121 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 400 transitions. Word has length 107 [2018-12-02 08:55:43,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:55:43,122 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 400 transitions. [2018-12-02 08:55:43,122 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 08:55:43,122 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 400 transitions. [2018-12-02 08:55:43,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 08:55:43,125 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:55:43,125 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:55:43,126 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:55:43,126 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:43,126 INFO L82 PathProgramCache]: Analyzing trace with hash 1742380424, now seen corresponding path program 1 times [2018-12-02 08:55:43,126 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:55:43,127 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:43,127 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:43,128 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:43,128 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:55:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:43,211 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:55:43,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:55:43,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 08:55:43,212 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:55:43,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 08:55:43,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 08:55:43,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 08:55:43,214 INFO L87 Difference]: Start difference. First operand 278 states and 400 transitions. Second operand 6 states. [2018-12-02 08:55:43,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:55:43,622 INFO L93 Difference]: Finished difference Result 703 states and 1026 transitions. [2018-12-02 08:55:43,623 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 08:55:43,623 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 117 [2018-12-02 08:55:43,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:55:43,625 INFO L225 Difference]: With dead ends: 703 [2018-12-02 08:55:43,625 INFO L226 Difference]: Without dead ends: 431 [2018-12-02 08:55:43,626 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 [2018-12-02 08:55:43,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2018-12-02 08:55:43,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 419. [2018-12-02 08:55:43,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 419 states. [2018-12-02 08:55:43,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 588 transitions. [2018-12-02 08:55:43,641 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 588 transitions. Word has length 117 [2018-12-02 08:55:43,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:55:43,641 INFO L480 AbstractCegarLoop]: Abstraction has 419 states and 588 transitions. [2018-12-02 08:55:43,641 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 08:55:43,641 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 588 transitions. [2018-12-02 08:55:43,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-02 08:55:43,643 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:55:43,643 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:55:43,643 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:55:43,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:43,644 INFO L82 PathProgramCache]: Analyzing trace with hash -1357354234, now seen corresponding path program 1 times [2018-12-02 08:55:43,644 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:55:43,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:43,644 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:43,644 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:43,644 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:55:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:43,703 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:55:43,703 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:55:43,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 08:55:43,703 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:55:43,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 08:55:43,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 08:55:43,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:55:43,704 INFO L87 Difference]: Start difference. First operand 419 states and 588 transitions. Second operand 3 states. [2018-12-02 08:55:43,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:55:43,947 INFO L93 Difference]: Finished difference Result 1241 states and 1781 transitions. [2018-12-02 08:55:43,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 08:55:43,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 118 [2018-12-02 08:55:43,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:55:43,950 INFO L225 Difference]: With dead ends: 1241 [2018-12-02 08:55:43,950 INFO L226 Difference]: Without dead ends: 828 [2018-12-02 08:55:43,951 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 08:55:43,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2018-12-02 08:55:43,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 828. [2018-12-02 08:55:43,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 828 states. [2018-12-02 08:55:43,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 828 states and 1140 transitions. [2018-12-02 08:55:43,968 INFO L78 Accepts]: Start accepts. Automaton has 828 states and 1140 transitions. Word has length 118 [2018-12-02 08:55:43,968 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:55:43,968 INFO L480 AbstractCegarLoop]: Abstraction has 828 states and 1140 transitions. [2018-12-02 08:55:43,968 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 08:55:43,968 INFO L276 IsEmpty]: Start isEmpty. Operand 828 states and 1140 transitions. [2018-12-02 08:55:43,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 08:55:43,970 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:55:43,970 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:55:43,970 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:55:43,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:43,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1051124638, now seen corresponding path program 1 times [2018-12-02 08:55:43,970 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:55:43,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:43,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:43,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:43,971 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:55:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:44,032 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:55:44,033 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 08:55:44,033 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 08:55:44,033 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:55:44,033 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 08:55:44,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 08:55:44,033 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 08:55:44,034 INFO L87 Difference]: Start difference. First operand 828 states and 1140 transitions. Second operand 6 states. [2018-12-02 08:55:44,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:55:44,443 INFO L93 Difference]: Finished difference Result 2250 states and 3291 transitions. [2018-12-02 08:55:44,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 08:55:44,443 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 132 [2018-12-02 08:55:44,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:55:44,448 INFO L225 Difference]: With dead ends: 2250 [2018-12-02 08:55:44,448 INFO L226 Difference]: Without dead ends: 1428 [2018-12-02 08:55:44,449 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 [2018-12-02 08:55:44,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1428 states. [2018-12-02 08:55:44,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1428 to 1400. [2018-12-02 08:55:44,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1400 states. [2018-12-02 08:55:44,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1400 states to 1400 states and 1853 transitions. [2018-12-02 08:55:44,481 INFO L78 Accepts]: Start accepts. Automaton has 1400 states and 1853 transitions. Word has length 132 [2018-12-02 08:55:44,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:55:44,481 INFO L480 AbstractCegarLoop]: Abstraction has 1400 states and 1853 transitions. [2018-12-02 08:55:44,481 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 08:55:44,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1400 states and 1853 transitions. [2018-12-02 08:55:44,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-02 08:55:44,484 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:55:44,484 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:55:44,484 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:55:44,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:44,484 INFO L82 PathProgramCache]: Analyzing trace with hash 1449351597, now seen corresponding path program 1 times [2018-12-02 08:55:44,484 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:55:44,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:44,485 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:44,485 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:44,485 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:55:44,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:44,545 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 34 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:55:44,545 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:55:44,545 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:55:44,546 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 142 with the following transitions: [2018-12-02 08:55:44,547 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [77], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 08:55:44,580 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:55:44,580 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:55:45,012 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 08:55:45,013 INFO L272 AbstractInterpreter]: Visited 111 different actions 216 times. Merged at 4 different actions 4 times. Never widened. Performed 2920 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2920 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 08:55:45,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:45,017 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 08:55:45,204 INFO L227 lantSequenceWeakener]: Weakened 138 states. On average, predicates are now at 81.72% of their original sizes. [2018-12-02 08:55:45,205 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 08:55:45,253 INFO L418 sIntCurrentIteration]: We unified 140 AI predicates to 140 [2018-12-02 08:55:45,253 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 08:55:45,254 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:55:45,254 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 08:55:45,254 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:55:45,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 08:55:45,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 08:55:45,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:55:45,255 INFO L87 Difference]: Start difference. First operand 1400 states and 1853 transitions. Second operand 10 states. [2018-12-02 08:55:47,667 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:55:47,667 INFO L93 Difference]: Finished difference Result 3068 states and 4047 transitions. [2018-12-02 08:55:47,667 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 08:55:47,667 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 141 [2018-12-02 08:55:47,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:55:47,672 INFO L225 Difference]: With dead ends: 3068 [2018-12-02 08:55:47,673 INFO L226 Difference]: Without dead ends: 1674 [2018-12-02 08:55:47,675 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 148 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-02 08:55:47,676 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1674 states. [2018-12-02 08:55:47,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1674 to 1672. [2018-12-02 08:55:47,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1672 states. [2018-12-02 08:55:47,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1672 states and 2151 transitions. [2018-12-02 08:55:47,713 INFO L78 Accepts]: Start accepts. Automaton has 1672 states and 2151 transitions. Word has length 141 [2018-12-02 08:55:47,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:55:47,713 INFO L480 AbstractCegarLoop]: Abstraction has 1672 states and 2151 transitions. [2018-12-02 08:55:47,713 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 08:55:47,713 INFO L276 IsEmpty]: Start isEmpty. Operand 1672 states and 2151 transitions. [2018-12-02 08:55:47,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 08:55:47,717 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:55:47,717 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 08:55:47,717 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:55:47,718 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:47,718 INFO L82 PathProgramCache]: Analyzing trace with hash -1860694341, now seen corresponding path program 1 times [2018-12-02 08:55:47,718 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:55:47,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:47,719 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:47,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:47,719 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:55:47,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:47,773 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 39 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 08:55:47,773 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:55:47,773 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:55:47,773 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 144 with the following transitions: [2018-12-02 08:55:47,773 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 08:55:47,776 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:55:47,776 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:55:47,885 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 08:55:47,885 INFO L272 AbstractInterpreter]: Visited 111 different actions 215 times. Merged at 3 different actions 3 times. Never widened. Performed 3058 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3058 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 08:55:47,887 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:47,887 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 08:55:48,006 INFO L227 lantSequenceWeakener]: Weakened 140 states. On average, predicates are now at 81.72% of their original sizes. [2018-12-02 08:55:48,006 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 08:55:48,052 INFO L418 sIntCurrentIteration]: We unified 142 AI predicates to 142 [2018-12-02 08:55:48,052 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 08:55:48,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:55:48,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 08:55:48,053 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:55:48,053 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 08:55:48,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 08:55:48,053 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:55:48,054 INFO L87 Difference]: Start difference. First operand 1672 states and 2151 transitions. Second operand 10 states. [2018-12-02 08:55:50,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:55:50,043 INFO L93 Difference]: Finished difference Result 3724 states and 4958 transitions. [2018-12-02 08:55:50,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-02 08:55:50,044 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 143 [2018-12-02 08:55:50,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:55:50,048 INFO L225 Difference]: With dead ends: 3724 [2018-12-02 08:55:50,049 INFO L226 Difference]: Without dead ends: 2330 [2018-12-02 08:55:50,050 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 152 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-02 08:55:50,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2330 states. [2018-12-02 08:55:50,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2330 to 1817. [2018-12-02 08:55:50,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1817 states. [2018-12-02 08:55:50,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1817 states and 2318 transitions. [2018-12-02 08:55:50,078 INFO L78 Accepts]: Start accepts. Automaton has 1817 states and 2318 transitions. Word has length 143 [2018-12-02 08:55:50,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:55:50,078 INFO L480 AbstractCegarLoop]: Abstraction has 1817 states and 2318 transitions. [2018-12-02 08:55:50,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 08:55:50,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2318 transitions. [2018-12-02 08:55:50,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 08:55:50,080 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:55:50,081 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:55:50,081 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:55:50,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:50,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1227031692, now seen corresponding path program 1 times [2018-12-02 08:55:50,081 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:55:50,081 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:50,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:50,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:50,082 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:55:50,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:50,118 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 46 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 08:55:50,118 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:55:50,119 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:55:50,119 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 153 with the following transitions: [2018-12-02 08:55:50,119 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [77], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 08:55:50,122 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:55:50,122 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:55:50,287 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:55:50,287 INFO L272 AbstractInterpreter]: Visited 113 different actions 335 times. Merged at 6 different actions 18 times. Never widened. Performed 4687 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4687 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-02 08:55:50,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:50,294 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:55:50,294 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:55:50,294 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8a5f2a0-43e9-478c-a38d-9538ca9237c0/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:55:50,304 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:50,304 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:55:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:50,359 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:55:50,402 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-12-02 08:55:50,403 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:55:50,452 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 46 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-12-02 08:55:50,477 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 08:55:50,477 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-12-02 08:55:50,477 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 08:55:50,478 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-02 08:55:50,478 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-02 08:55:50,478 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-02 08:55:50,478 INFO L87 Difference]: Start difference. First operand 1817 states and 2318 transitions. Second operand 8 states. [2018-12-02 08:55:52,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:55:52,018 INFO L93 Difference]: Finished difference Result 6134 states and 8233 transitions. [2018-12-02 08:55:52,018 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2018-12-02 08:55:52,018 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 152 [2018-12-02 08:55:52,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:55:52,032 INFO L225 Difference]: With dead ends: 6134 [2018-12-02 08:55:52,032 INFO L226 Difference]: Without dead ends: 4164 [2018-12-02 08:55:52,037 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 345 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 164 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=193, Invalid=677, Unknown=0, NotChecked=0, Total=870 [2018-12-02 08:55:52,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4164 states. [2018-12-02 08:55:52,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4164 to 3445. [2018-12-02 08:55:52,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3445 states. [2018-12-02 08:55:52,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3445 states to 3445 states and 4031 transitions. [2018-12-02 08:55:52,144 INFO L78 Accepts]: Start accepts. Automaton has 3445 states and 4031 transitions. Word has length 152 [2018-12-02 08:55:52,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:55:52,145 INFO L480 AbstractCegarLoop]: Abstraction has 3445 states and 4031 transitions. [2018-12-02 08:55:52,145 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-02 08:55:52,145 INFO L276 IsEmpty]: Start isEmpty. Operand 3445 states and 4031 transitions. [2018-12-02 08:55:52,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-02 08:55:52,149 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:55:52,149 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:55:52,150 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:55:52,150 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:52,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1721920054, now seen corresponding path program 1 times [2018-12-02 08:55:52,150 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:55:52,150 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:52,150 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:52,151 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:52,151 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:55:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:52,273 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 89 proven. 15 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 08:55:52,274 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:55:52,274 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:55:52,274 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 189 with the following transitions: [2018-12-02 08:55:52,274 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 08:55:52,277 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:55:52,277 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:55:52,369 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 08:55:52,369 INFO L272 AbstractInterpreter]: Visited 112 different actions 218 times. Merged at 4 different actions 4 times. Never widened. Performed 2981 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2981 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-02 08:55:52,371 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:52,371 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 08:55:52,495 INFO L227 lantSequenceWeakener]: Weakened 185 states. On average, predicates are now at 81.67% of their original sizes. [2018-12-02 08:55:52,495 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 08:55:52,534 INFO L418 sIntCurrentIteration]: We unified 187 AI predicates to 187 [2018-12-02 08:55:52,534 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 08:55:52,534 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:55:52,534 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-02 08:55:52,534 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:55:52,534 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 08:55:52,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 08:55:52,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:55:52,535 INFO L87 Difference]: Start difference. First operand 3445 states and 4031 transitions. Second operand 10 states. [2018-12-02 08:55:54,593 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:55:54,594 INFO L93 Difference]: Finished difference Result 6221 states and 7278 transitions. [2018-12-02 08:55:54,594 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 08:55:54,594 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 188 [2018-12-02 08:55:54,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:55:54,603 INFO L225 Difference]: With dead ends: 6221 [2018-12-02 08:55:54,603 INFO L226 Difference]: Without dead ends: 3858 [2018-12-02 08:55:54,608 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 196 GetRequests, 179 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-02 08:55:54,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3858 states. [2018-12-02 08:55:54,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3858 to 3856. [2018-12-02 08:55:54,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3856 states. [2018-12-02 08:55:54,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3856 states to 3856 states and 4479 transitions. [2018-12-02 08:55:54,666 INFO L78 Accepts]: Start accepts. Automaton has 3856 states and 4479 transitions. Word has length 188 [2018-12-02 08:55:54,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:55:54,666 INFO L480 AbstractCegarLoop]: Abstraction has 3856 states and 4479 transitions. [2018-12-02 08:55:54,666 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 08:55:54,666 INFO L276 IsEmpty]: Start isEmpty. Operand 3856 states and 4479 transitions. [2018-12-02 08:55:54,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-02 08:55:54,670 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:55:54,671 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:55:54,671 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:55:54,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:54,671 INFO L82 PathProgramCache]: Analyzing trace with hash -116331887, now seen corresponding path program 1 times [2018-12-02 08:55:54,671 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:55:54,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:54,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:54,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:54,672 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:55:54,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:54,753 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 86 proven. 45 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-02 08:55:54,754 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:55:54,754 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:55:54,754 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-12-02 08:55:54,754 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [73], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 08:55:54,755 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:55:54,755 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:55:54,986 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:55:54,986 INFO L272 AbstractInterpreter]: Visited 114 different actions 456 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 6568 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6568 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-02 08:55:54,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:54,988 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:55:54,988 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:55:54,988 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8a5f2a0-43e9-478c-a38d-9538ca9237c0/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:55:54,996 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:54,996 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:55:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:55,048 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:55:55,133 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-02 08:55:55,133 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:55:55,194 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 91 proven. 38 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-02 08:55:55,209 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 08:55:55,209 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-02 08:55:55,209 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 08:55:55,209 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-02 08:55:55,209 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-02 08:55:55,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-02 08:55:55,209 INFO L87 Difference]: Start difference. First operand 3856 states and 4479 transitions. Second operand 11 states. [2018-12-02 08:55:55,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:55:55,923 INFO L93 Difference]: Finished difference Result 8906 states and 10417 transitions. [2018-12-02 08:55:55,924 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-02 08:55:55,924 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 196 [2018-12-02 08:55:55,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:55:55,932 INFO L225 Difference]: With dead ends: 8906 [2018-12-02 08:55:55,932 INFO L226 Difference]: Without dead ends: 5602 [2018-12-02 08:55:55,935 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 393 SyntacticMatches, 2 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 42 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2018-12-02 08:55:55,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5602 states. [2018-12-02 08:55:55,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5602 to 5318. [2018-12-02 08:55:55,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5318 states. [2018-12-02 08:55:55,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5318 states to 5318 states and 6112 transitions. [2018-12-02 08:55:55,991 INFO L78 Accepts]: Start accepts. Automaton has 5318 states and 6112 transitions. Word has length 196 [2018-12-02 08:55:55,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:55:55,991 INFO L480 AbstractCegarLoop]: Abstraction has 5318 states and 6112 transitions. [2018-12-02 08:55:55,991 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-02 08:55:55,991 INFO L276 IsEmpty]: Start isEmpty. Operand 5318 states and 6112 transitions. [2018-12-02 08:55:55,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-02 08:55:55,997 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:55:55,997 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:55:55,997 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:55:55,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:55,997 INFO L82 PathProgramCache]: Analyzing trace with hash 89106555, now seen corresponding path program 2 times [2018-12-02 08:55:55,997 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:55:55,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:55,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:55,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:55,998 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:55:56,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:56,082 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 86 proven. 47 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 08:55:56,082 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:55:56,082 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:55:56,082 INFO L187 CegarAbsIntRunner]: Skipping current iteration for AI because we have already analyzed this path program [2018-12-02 08:55:56,082 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: AbsInt can only provide a hoare triple checker if it generated fixpoints [2018-12-02 08:55:56,082 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:55:56,082 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8a5f2a0-43e9-478c-a38d-9538ca9237c0/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:55:56,090 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST2 [2018-12-02 08:55:56,090 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder OUTSIDE_LOOP_FIRST2 (IT: FPandBP) [2018-12-02 08:55:56,128 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2018-12-02 08:55:56,128 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2018-12-02 08:55:56,132 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:55:56,161 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 08:55:56,161 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:55:56,203 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 08:55:56,227 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:55:56,228 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-12-02 08:55:56,228 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:55:56,228 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 08:55:56,228 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 08:55:56,228 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:55:56,228 INFO L87 Difference]: Start difference. First operand 5318 states and 6112 transitions. Second operand 3 states. [2018-12-02 08:55:56,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:55:56,489 INFO L93 Difference]: Finished difference Result 12399 states and 14497 transitions. [2018-12-02 08:55:56,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 08:55:56,489 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 196 [2018-12-02 08:55:56,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:55:56,500 INFO L225 Difference]: With dead ends: 12399 [2018-12-02 08:55:56,500 INFO L226 Difference]: Without dead ends: 7359 [2018-12-02 08:55:56,505 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 391 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:55:56,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7359 states. [2018-12-02 08:55:56,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7359 to 7089. [2018-12-02 08:55:56,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7089 states. [2018-12-02 08:55:56,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7089 states to 7089 states and 8170 transitions. [2018-12-02 08:55:56,572 INFO L78 Accepts]: Start accepts. Automaton has 7089 states and 8170 transitions. Word has length 196 [2018-12-02 08:55:56,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:55:56,572 INFO L480 AbstractCegarLoop]: Abstraction has 7089 states and 8170 transitions. [2018-12-02 08:55:56,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 08:55:56,572 INFO L276 IsEmpty]: Start isEmpty. Operand 7089 states and 8170 transitions. [2018-12-02 08:55:56,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-02 08:55:56,579 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:55:56,579 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 08:55:56,579 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:55:56,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:56,579 INFO L82 PathProgramCache]: Analyzing trace with hash 840702490, now seen corresponding path program 1 times [2018-12-02 08:55:56,579 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:55:56,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:56,580 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-02 08:55:56,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:56,580 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:55:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:56,648 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-02 08:55:56,648 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:55:56,648 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:55:56,648 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 216 with the following transitions: [2018-12-02 08:55:56,648 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [77], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 08:55:56,650 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:55:56,650 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:55:56,969 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 08:55:56,970 INFO L272 AbstractInterpreter]: Visited 115 different actions 568 times. Merged at 9 different actions 37 times. Widened at 1 different actions 1 times. Performed 8141 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8141 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 11 fixpoints after 4 different actions. Largest state had 42 variables. [2018-12-02 08:55:56,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:56,971 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 08:55:56,971 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:55:56,971 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a8a5f2a0-43e9-478c-a38d-9538ca9237c0/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-02 08:55:56,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:56,978 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 08:55:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:57,040 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 08:55:57,071 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-02 08:55:57,071 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 08:55:57,148 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 158 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-02 08:55:57,163 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 08:55:57,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-02 08:55:57,164 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 08:55:57,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 08:55:57,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 08:55:57,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-02 08:55:57,165 INFO L87 Difference]: Start difference. First operand 7089 states and 8170 transitions. Second operand 9 states. [2018-12-02 08:55:57,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:55:57,952 INFO L93 Difference]: Finished difference Result 15421 states and 18630 transitions. [2018-12-02 08:55:57,952 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-02 08:55:57,953 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 215 [2018-12-02 08:55:57,953 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:55:57,977 INFO L225 Difference]: With dead ends: 15421 [2018-12-02 08:55:57,977 INFO L226 Difference]: Without dead ends: 8886 [2018-12-02 08:55:57,987 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 431 SyntacticMatches, 2 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=91, Invalid=181, Unknown=0, NotChecked=0, Total=272 [2018-12-02 08:55:57,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8886 states. [2018-12-02 08:55:58,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8886 to 8872. [2018-12-02 08:55:58,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8872 states. [2018-12-02 08:55:58,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8872 states to 8872 states and 10833 transitions. [2018-12-02 08:55:58,124 INFO L78 Accepts]: Start accepts. Automaton has 8872 states and 10833 transitions. Word has length 215 [2018-12-02 08:55:58,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:55:58,125 INFO L480 AbstractCegarLoop]: Abstraction has 8872 states and 10833 transitions. [2018-12-02 08:55:58,125 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 08:55:58,125 INFO L276 IsEmpty]: Start isEmpty. Operand 8872 states and 10833 transitions. [2018-12-02 08:55:58,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-02 08:55:58,135 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 08:55:58,135 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-02 08:55:58,135 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 08:55:58,135 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:58,135 INFO L82 PathProgramCache]: Analyzing trace with hash -488488215, now seen corresponding path program 1 times [2018-12-02 08:55:58,135 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 08:55:58,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:58,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 08:55:58,136 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 08:55:58,136 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 08:55:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 08:55:58,225 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 122 proven. 65 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 08:55:58,225 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 08:55:58,225 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 08:55:58,226 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 222 with the following transitions: [2018-12-02 08:55:58,226 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [41], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [129], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [501], [503], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-02 08:55:58,227 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 08:55:58,227 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 08:55:58,484 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 08:55:58,484 INFO L272 AbstractInterpreter]: Visited 113 different actions 561 times. Merged at 8 different actions 36 times. Widened at 1 different actions 1 times. Performed 7910 root evaluator evaluations with a maximum evaluation depth of 3. Performed 7910 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 4 different actions. Largest state had 42 variables. [2018-12-02 08:55:58,485 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 08:55:58,486 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 08:55:58,637 INFO L227 lantSequenceWeakener]: Weakened 218 states. On average, predicates are now at 83.62% of their original sizes. [2018-12-02 08:55:58,637 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 08:55:58,671 INFO L418 sIntCurrentIteration]: We unified 220 AI predicates to 220 [2018-12-02 08:55:58,671 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 08:55:58,671 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 08:55:58,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-02 08:55:58,671 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 08:55:58,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 08:55:58,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 08:55:58,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-02 08:55:58,672 INFO L87 Difference]: Start difference. First operand 8872 states and 10833 transitions. Second operand 9 states. [2018-12-02 08:56:00,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 08:56:00,612 INFO L93 Difference]: Finished difference Result 13186 states and 16128 transitions. [2018-12-02 08:56:00,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-02 08:56:00,612 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 221 [2018-12-02 08:56:00,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 08:56:00,612 INFO L225 Difference]: With dead ends: 13186 [2018-12-02 08:56:00,612 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 08:56:00,627 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 229 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2018-12-02 08:56:00,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 08:56:00,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 08:56:00,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 08:56:00,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 08:56:00,628 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 221 [2018-12-02 08:56:00,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 08:56:00,628 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 08:56:00,628 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 08:56:00,628 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 08:56:00,628 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 08:56:00,631 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 08:56:00,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,781 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,870 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,877 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,884 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,888 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,891 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,896 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,898 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,913 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,923 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,926 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:00,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,002 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,021 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,023 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,065 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,095 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,103 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,105 WARN L180 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 176 [2018-12-02 08:56:01,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,173 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,209 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,222 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,231 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,238 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,247 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,259 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,262 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,270 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,288 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,319 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,325 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,335 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,345 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,347 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,349 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,351 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,355 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,360 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,366 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,373 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,388 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,405 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,427 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,437 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 08:56:01,470 WARN L180 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 193 [2018-12-02 08:56:02,816 WARN L180 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 278 DAG size of output: 101 [2018-12-02 08:56:03,295 WARN L180 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 71 [2018-12-02 08:56:03,848 WARN L180 SmtUtils]: Spent 551.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 73 [2018-12-02 08:56:03,849 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 08:56:03,850 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= |old(~a20~0)| ~a20~0) (= |old(~a16~0)| ~a16~0)) [2018-12-02 08:56:03,850 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 08:56:03,850 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-02 08:56:03,850 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-02 08:56:03,850 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,850 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,850 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,850 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,850 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,850 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,850 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-02 08:56:03,850 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-02 08:56:03,850 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-02 08:56:03,850 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-02 08:56:03,850 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-02 08:56:03,850 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-02 08:56:03,850 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-02 08:56:03,850 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-02 08:56:03,850 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-02 08:56:03,850 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,851 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 479) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-02 08:56:03,852 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,853 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,854 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-02 08:56:03,855 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-02 08:56:03,856 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse1 (not (= 1 |old(~a21~0)|))) (.cse11 (not (= 1 |old(~a20~0)|))) (.cse4 (= 0 |old(~a16~0)|)) (.cse5 (not (= 8 ~a12~0))) (.cse7 (= |calculate_output_#in~input| 0)) (.cse8 (= 0 |old(~a8~0)|)) (.cse14 (not (= 1 |old(~a17~0)|))) (.cse27 (= ~a21~0 1)) (.cse20 (= ~a7~0 |old(~a7~0)|)) (.cse22 (= ~a16~0 |old(~a16~0)|)) (.cse21 (= |old(~a8~0)| ~a8~0)) (.cse19 (= |old(~a20~0)| ~a20~0)) (.cse24 (= |old(~a16~0)| ~a16~0)) (.cse2 (<= ~a17~0 0)) (.cse16 (= 6 |old(~a16~0)|)) (.cse17 (< 13 |old(~a8~0)|))) (let ((.cse13 (not (= 15 |old(~a8~0)|))) (.cse25 (or .cse16 .cse17)) (.cse18 (not (= 1 |old(~a7~0)|))) (.cse6 (< 0 |old(~a17~0)|)) (.cse23 (and (= 1 ~a7~0) .cse21 .cse19 .cse24 .cse2)) (.cse10 (not .cse16)) (.cse3 (= 13 |old(~a8~0)|)) (.cse9 (< 0 |old(~a20~0)|)) (.cse12 (and .cse19 .cse27 .cse20 .cse21 .cse22)) (.cse0 (not (= 0 |old(~a7~0)|))) (.cse26 (or .cse1 .cse11 .cse4 .cse5 .cse7 .cse8 .cse14)) (.cse15 (= ~a17~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9) (or .cse10 .cse0 .cse1 .cse11 .cse3 .cse5 .cse12 .cse7 .cse8) (or .cse7 (or .cse0 .cse1 .cse13 (not (= 0 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) .cse5 .cse14) .cse15) (or .cse16 .cse0 .cse1 .cse12 .cse4 .cse5 .cse7 .cse8 .cse9) (or .cse17 .cse11 .cse18 .cse6 (and .cse19 .cse2 .cse20 .cse21 .cse22)) (or (or .cse16 (= 4 |old(~a16~0)|) .cse3 .cse18) .cse6 .cse23) (or (and .cse20 .cse21 .cse19 .cse24) .cse25) (or .cse11 .cse6 .cse2 .cse25) (or (= ~a17~0 0) .cse7 (or .cse10 .cse0 .cse1 .cse11 .cse13 (not (= 0 |old(~a17~0)|)) .cse5)) (or .cse10 .cse0 .cse1 .cse3 .cse5 .cse6 .cse7 .cse2 .cse11 .cse8) (or .cse26 .cse17 (and .cse20 (and .cse21 .cse24 .cse15 .cse27 (= ~a20~0 1)))) (or .cse16 .cse0 .cse1 .cse11 (and .cse19 .cse2 .cse27 .cse20 .cse21 .cse22) .cse4 .cse5 .cse6 .cse7 .cse8) (or .cse0 .cse1 .cse4 (and .cse2 .cse27) .cse5 (< |old(~a20~0)| 1) .cse6 .cse7 .cse8 .cse25) (or (or .cse16 .cse3 .cse18 .cse6 .cse9) .cse23) (or .cse10 .cse0 .cse1 .cse3 .cse5 .cse7 .cse8 .cse9 .cse12) (or .cse0 .cse26 (and .cse20 (and .cse21 .cse15) .cse19 .cse22 .cse27))))) [2018-12-02 08:56:03,856 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-02 08:56:03,856 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,856 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,856 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,856 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,856 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-02 08:56:03,856 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,856 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,856 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-02 08:56:03,856 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-02 08:56:03,856 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-02 08:56:03,856 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-02 08:56:03,856 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-02 08:56:03,856 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-02 08:56:03,856 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-02 08:56:03,856 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-02 08:56:03,856 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-02 08:56:03,856 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,857 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,858 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,858 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,858 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,858 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 08:56:03,858 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-02 08:56:03,858 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-02 08:56:03,858 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-02 08:56:03,858 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-02 08:56:03,858 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-02 08:56:03,858 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-02 08:56:03,858 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-02 08:56:03,858 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-02 08:56:03,858 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-02 08:56:03,858 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-02 08:56:03,858 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 08:56:03,858 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-12-02 08:56:03,858 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 08:56:03,858 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 08:56:03,858 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (and (= ~a17~0 1) (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= ~a20~0 1) (= ~a16~0 5)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-12-02 08:56:03,858 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-02 08:56:03,859 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse6 (= ~a16~0 6)) (.cse10 (not (= ~a16~0 0))) (.cse2 (not (= main_~input~0 0))) (.cse4 (not (= ~a8~0 0))) (.cse5 (= ~a21~0 1))) (let ((.cse9 (and .cse10 .cse2 .cse4 (= ~a17~0 1) (= ~a12~0 8) .cse5 (= ~a20~0 1))) (.cse7 (not (= ~a8~0 13))) (.cse0 (<= ~a8~0 13)) (.cse12 (= 1 ~a7~0)) (.cse11 (<= ~a20~0 0)) (.cse3 (= 1 ~a20~0)) (.cse13 (<= ~a17~0 0)) (.cse8 (= ~a7~0 0)) (.cse1 (not .cse6))) (or (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and .cse0 .cse1) (not (= 1 |old(~a20~0)|)) (and .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse9) (and .cse8 .cse9) (and .cse8 .cse10 .cse2 .cse4 .cse5 .cse7 .cse11) (and (and .cse12 (and .cse1 (not (= ~a16~0 4)))) .cse13) (not (= 0 |old(~a7~0)|)) (and .cse0 .cse12 .cse3 .cse13) (and .cse12 .cse1 .cse13 .cse11) (and .cse10 .cse2 .cse3 .cse13 .cse5 .cse8 .cse1) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|))))) [2018-12-02 08:56:03,859 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-02 08:56:03,859 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-02 08:56:03,859 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse10 (not (= ~a16~0 0))) (.cse1 (not (= ~a8~0 0))) (.cse2 (= ~a21~0 1)) (.cse3 (= ~a16~0 6))) (let ((.cse4 (not (= ~a8~0 13))) (.cse8 (not (= main_~input~0 0))) (.cse9 (= 1 ~a20~0)) (.cse12 (= 1 ~a7~0)) (.cse7 (not .cse3)) (.cse11 (<= ~a17~0 0)) (.cse5 (<= ~a20~0 0)) (.cse6 (<= ~a8~0 13)) (.cse0 (= ~a7~0 0)) (.cse13 (and .cse10 .cse1 (= ~a17~0 1) (= ~a12~0 8) .cse2 (= ~a20~0 1)))) (or (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7) (not (= 1 |old(~a20~0)|)) (and .cse8 .cse9 .cse1 .cse2 .cse3 .cse4 .cse0) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse10 .cse7 .cse11 .cse2 .cse5) (and .cse0 .cse10 .cse9 .cse7 .cse11 .cse2) (and (and .cse12 (and .cse7 (not (= ~a16~0 4)))) .cse11) (and .cse0 .cse10 .cse8 .cse7 .cse2 .cse5) (not (= 0 |old(~a7~0)|)) (and .cse6 .cse12 .cse9 .cse11) (and .cse12 .cse7 .cse11 .cse5) (not (= 1 |old(~a17~0)|)) (and .cse6 .cse13) (not (= 15 |old(~a8~0)|)) (and .cse0 .cse13)))) [2018-12-02 08:56:03,859 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-02 08:56:03,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:56:03 BoogieIcfgContainer [2018-12-02 08:56:03,867 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 08:56:03,867 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 08:56:03,867 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 08:56:03,867 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 08:56:03,868 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:55:42" (3/4) ... [2018-12-02 08:56:03,870 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 08:56:03,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 08:56:03,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 08:56:03,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 08:56:03,880 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 08:56:03,881 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 08:56:03,898 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((!(1 == \old(a21)) || !(8 == a12)) || (((((a7 == 0 && !(a8 == 0)) && a21 == 1) && a16 == 6) && !(a8 == 13)) && a20 <= 0)) || (a8 <= 13 && !(a16 == 6))) || !(1 == \old(a20))) || ((((((!(input == 0) && 1 == a20) && !(a8 == 0)) && a21 == 1) && a16 == 6) && !(a8 == 13)) && a7 == 0)) || !(5 == \old(a16))) || (((((a7 == 0 && !(a16 == 0)) && !(a16 == 6)) && a17 <= 0) && a21 == 1) && a20 <= 0)) || (((((a7 == 0 && !(a16 == 0)) && 1 == a20) && !(a16 == 6)) && a17 <= 0) && a21 == 1)) || ((1 == a7 && !(a16 == 6) && !(a16 == 4)) && a17 <= 0)) || (((((a7 == 0 && !(a16 == 0)) && !(input == 0)) && !(a16 == 6)) && a21 == 1) && a20 <= 0)) || !(0 == \old(a7))) || (((a8 <= 13 && 1 == a7) && 1 == a20) && a17 <= 0)) || (((1 == a7 && !(a16 == 6)) && a17 <= 0) && a20 <= 0)) || !(1 == \old(a17))) || (a8 <= 13 && ((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1)) || !(15 == \old(a8))) || (a7 == 0 && ((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1) [2018-12-02 08:56:03,941 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a8a5f2a0-43e9-478c-a38d-9538ca9237c0/bin-2019/utaipan/witness.graphml [2018-12-02 08:56:03,941 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 08:56:03,941 INFO L168 Benchmark]: Toolchain (without parser) took 22611.22 ms. Allocated memory was 1.0 GB in the beginning and 2.5 GB in the end (delta: 1.4 GB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -113.4 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-02 08:56:03,942 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:56:03,942 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-12-02 08:56:03,942 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 08:56:03,942 INFO L168 Benchmark]: Boogie Preprocessor took 50.73 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-02 08:56:03,942 INFO L168 Benchmark]: RCFGBuilder took 558.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.8 MB in the end (delta: 111.7 MB). Peak memory consumption was 111.7 MB. Max. memory is 11.5 GB. [2018-12-02 08:56:03,942 INFO L168 Benchmark]: TraceAbstraction took 21588.44 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 995.8 MB in the beginning and 1.1 GB in the end (delta: -64.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-02 08:56:03,943 INFO L168 Benchmark]: Witness Printer took 73.81 ms. Allocated memory is still 2.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 138.5 kB). Peak memory consumption was 138.5 kB. Max. memory is 11.5 GB. [2018-12-02 08:56:03,943 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 312.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 947.0 MB in the beginning and 1.1 GB in the end (delta: -167.5 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.56 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.73 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 558.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.8 MB in the end (delta: 111.7 MB). Peak memory consumption was 111.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21588.44 ms. Allocated memory was 1.2 GB in the beginning and 2.5 GB in the end (delta: 1.3 GB). Free memory was 995.8 MB in the beginning and 1.1 GB in the end (delta: -64.8 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 73.81 ms. Allocated memory is still 2.5 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 138.5 kB). Peak memory consumption was 138.5 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 479]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((!(1 == \old(a21)) || !(8 == a12)) || (((((a7 == 0 && !(a8 == 0)) && a21 == 1) && a16 == 6) && !(a8 == 13)) && a20 <= 0)) || (a8 <= 13 && !(a16 == 6))) || !(1 == \old(a20))) || ((((((!(input == 0) && 1 == a20) && !(a8 == 0)) && a21 == 1) && a16 == 6) && !(a8 == 13)) && a7 == 0)) || !(5 == \old(a16))) || (((((a7 == 0 && !(a16 == 0)) && !(a16 == 6)) && a17 <= 0) && a21 == 1) && a20 <= 0)) || (((((a7 == 0 && !(a16 == 0)) && 1 == a20) && !(a16 == 6)) && a17 <= 0) && a21 == 1)) || ((1 == a7 && !(a16 == 6) && !(a16 == 4)) && a17 <= 0)) || (((((a7 == 0 && !(a16 == 0)) && !(input == 0)) && !(a16 == 6)) && a21 == 1) && a20 <= 0)) || !(0 == \old(a7))) || (((a8 <= 13 && 1 == a7) && 1 == a20) && a17 <= 0)) || (((1 == a7 && !(a16 == 6)) && a17 <= 0) && a20 <= 0)) || !(1 == \old(a17))) || (a8 <= 13 && ((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1)) || !(15 == \old(a8))) || (a7 == 0 && ((((!(a16 == 0) && !(a8 == 0)) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 21.5s OverallTime, 12 OverallIterations, 6 TraceHistogramMax, 13.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 680 SDtfs, 7385 SDslu, 726 SDs, 0 SdLazy, 10930 SolverSat, 1553 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.7s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 2359 GetRequests, 2199 SyntacticMatches, 10 SemanticMatches, 150 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 438 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8872occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.6s AbstIntTime, 7 AbstIntIterations, 4 AbstIntStrong, 0.9968893462041342 AbsIntWeakeningRatio, 0.22931785195936139 AbsIntAvgWeakeningVarsNumRemoved, 29.378809869375907 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 1844 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 377 PreInvPairs, 677 NumberOfFragments, 1168 HoareAnnotationTreeSize, 377 FomulaSimplifications, 42058 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 7 FomulaSimplificationsInter, 21130 FormulaSimplificationTreeSizeReductionInter, 2.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2685 NumberOfCodeBlocks, 2621 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 3424 ConstructedInterpolants, 0 QuantifiedInterpolants, 1217130 SizeOfPredicates, 4 NumberOfNonLiveVariables, 2105 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 20 InterpolantComputations, 6 PerfectInterpolantSequences, 1949/2189 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...