./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label22_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ff829ca7-5a6d-419a-b9e6-e6002a6e0ba7/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ff829ca7-5a6d-419a-b9e6-e6002a6e0ba7/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ff829ca7-5a6d-419a-b9e6-e6002a6e0ba7/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ff829ca7-5a6d-419a-b9e6-e6002a6e0ba7/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label22_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ff829ca7-5a6d-419a-b9e6-e6002a6e0ba7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ff829ca7-5a6d-419a-b9e6-e6002a6e0ba7/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 e7994a8c4891a75790b4e3789163303adc4f9200 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 02:24:36,806 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 02:24:36,807 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 02:24:36,816 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 02:24:36,816 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 02:24:36,817 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 02:24:36,818 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 02:24:36,819 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 02:24:36,820 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 02:24:36,820 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 02:24:36,820 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 02:24:36,821 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 02:24:36,821 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 02:24:36,822 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 02:24:36,822 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 02:24:36,823 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 02:24:36,823 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 02:24:36,824 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 02:24:36,826 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 02:24:36,826 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 02:24:36,827 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 02:24:36,828 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 02:24:36,829 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 02:24:36,829 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 02:24:36,829 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 02:24:36,830 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 02:24:36,830 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 02:24:36,831 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 02:24:36,831 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 02:24:36,832 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 02:24:36,832 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 02:24:36,833 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 02:24:36,833 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 02:24:36,833 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 02:24:36,834 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 02:24:36,834 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 02:24:36,834 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ff829ca7-5a6d-419a-b9e6-e6002a6e0ba7/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-02 02:24:36,843 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 02:24:36,843 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 02:24:36,843 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 02:24:36,843 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 02:24:36,844 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-02 02:24:36,844 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-02 02:24:36,844 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-02 02:24:36,844 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-02 02:24:36,844 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-02 02:24:36,844 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-02 02:24:36,844 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-02 02:24:36,844 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-02 02:24:36,844 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-02 02:24:36,845 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 02:24:36,845 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 02:24:36,845 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 02:24:36,845 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 02:24:36,845 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 02:24:36,845 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 02:24:36,845 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 02:24:36,846 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 02:24:36,846 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 02:24:36,846 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 02:24:36,846 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 02:24:36,846 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 02:24:36,846 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 02:24:36,846 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 02:24:36,847 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 02:24:36,847 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 02:24:36,847 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 02:24:36,847 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 02:24:36,847 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 02:24:36,847 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-02 02:24:36,847 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 02:24:36,847 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 02:24:36,847 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-02 02:24:36,847 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_ff829ca7-5a6d-419a-b9e6-e6002a6e0ba7/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 -> e7994a8c4891a75790b4e3789163303adc4f9200 [2018-12-02 02:24:36,867 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 02:24:36,875 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 02:24:36,877 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 02:24:36,877 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 02:24:36,878 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 02:24:36,878 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ff829ca7-5a6d-419a-b9e6-e6002a6e0ba7/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label22_true-unreach-call.c [2018-12-02 02:24:36,918 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff829ca7-5a6d-419a-b9e6-e6002a6e0ba7/bin-2019/utaipan/data/3394394a0/4f935c48ccbb4ee08f44a8c88dadbb19/FLAGffe9ca0b4 [2018-12-02 02:24:37,374 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 02:24:37,374 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ff829ca7-5a6d-419a-b9e6-e6002a6e0ba7/sv-benchmarks/c/eca-rers2012/Problem10_label22_true-unreach-call.c [2018-12-02 02:24:37,380 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ff829ca7-5a6d-419a-b9e6-e6002a6e0ba7/bin-2019/utaipan/data/3394394a0/4f935c48ccbb4ee08f44a8c88dadbb19/FLAGffe9ca0b4 [2018-12-02 02:24:37,389 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ff829ca7-5a6d-419a-b9e6-e6002a6e0ba7/bin-2019/utaipan/data/3394394a0/4f935c48ccbb4ee08f44a8c88dadbb19 [2018-12-02 02:24:37,391 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 02:24:37,392 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 02:24:37,392 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 02:24:37,393 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 02:24:37,395 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 02:24:37,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:24:37" (1/1) ... [2018-12-02 02:24:37,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf0b28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:37, skipping insertion in model container [2018-12-02 02:24:37,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:24:37" (1/1) ... [2018-12-02 02:24:37,401 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 02:24:37,428 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 02:24:37,597 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:24:37,600 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 02:24:37,702 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 02:24:37,713 INFO L195 MainTranslator]: Completed translation [2018-12-02 02:24:37,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:37 WrapperNode [2018-12-02 02:24:37,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 02:24:37,714 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 02:24:37,714 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 02:24:37,714 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 02:24:37,719 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:37" (1/1) ... [2018-12-02 02:24:37,730 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:37" (1/1) ... [2018-12-02 02:24:37,736 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 02:24:37,737 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 02:24:37,737 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 02:24:37,737 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 02:24:37,743 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:37" (1/1) ... [2018-12-02 02:24:37,743 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:37" (1/1) ... [2018-12-02 02:24:37,746 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:37" (1/1) ... [2018-12-02 02:24:37,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:37" (1/1) ... [2018-12-02 02:24:37,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:37" (1/1) ... [2018-12-02 02:24:37,778 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:37" (1/1) ... [2018-12-02 02:24:37,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:37" (1/1) ... [2018-12-02 02:24:37,789 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 02:24:37,790 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 02:24:37,790 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 02:24:37,790 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 02:24:37,791 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff829ca7-5a6d-419a-b9e6-e6002a6e0ba7/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 02:24:37,836 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 02:24:37,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 02:24:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 02:24:37,837 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 02:24:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 02:24:37,837 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 02:24:37,837 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 02:24:37,837 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 02:24:38,447 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 02:24:38,448 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 02:24:38,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:24:38 BoogieIcfgContainer [2018-12-02 02:24:38,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 02:24:38,449 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 02:24:38,449 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 02:24:38,451 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 02:24:38,451 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 02:24:37" (1/3) ... [2018-12-02 02:24:38,451 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8ae111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:24:38, skipping insertion in model container [2018-12-02 02:24:38,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:24:37" (2/3) ... [2018-12-02 02:24:38,452 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5e8ae111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 02:24:38, skipping insertion in model container [2018-12-02 02:24:38,452 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:24:38" (3/3) ... [2018-12-02 02:24:38,453 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label22_true-unreach-call.c [2018-12-02 02:24:38,460 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 02:24:38,466 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 02:24:38,477 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 02:24:38,499 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 02:24:38,499 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 02:24:38,499 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 02:24:38,499 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 02:24:38,499 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 02:24:38,499 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 02:24:38,499 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 02:24:38,499 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 02:24:38,515 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-12-02 02:24:38,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2018-12-02 02:24:38,520 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:24:38,521 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] [2018-12-02 02:24:38,522 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:24:38,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:24:38,527 INFO L82 PathProgramCache]: Analyzing trace with hash 1257002150, now seen corresponding path program 1 times [2018-12-02 02:24:38,528 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:24:38,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:24:38,560 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:24:38,560 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:24:38,560 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:24:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:38,686 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 02:24:38,687 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:24:38,687 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 02:24:38,687 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:24:38,691 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 02:24:38,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 02:24:38,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 02:24:38,701 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 4 states. [2018-12-02 02:24:39,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:24:39,380 INFO L93 Difference]: Finished difference Result 733 states and 1294 transitions. [2018-12-02 02:24:39,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 02:24:39,381 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 43 [2018-12-02 02:24:39,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:24:39,390 INFO L225 Difference]: With dead ends: 733 [2018-12-02 02:24:39,390 INFO L226 Difference]: Without dead ends: 437 [2018-12-02 02:24:39,394 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 02:24:39,405 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 437 states. [2018-12-02 02:24:39,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 437 to 437. [2018-12-02 02:24:39,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 437 states. [2018-12-02 02:24:39,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 437 states and 633 transitions. [2018-12-02 02:24:39,435 INFO L78 Accepts]: Start accepts. Automaton has 437 states and 633 transitions. Word has length 43 [2018-12-02 02:24:39,435 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:24:39,435 INFO L480 AbstractCegarLoop]: Abstraction has 437 states and 633 transitions. [2018-12-02 02:24:39,435 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 02:24:39,435 INFO L276 IsEmpty]: Start isEmpty. Operand 437 states and 633 transitions. [2018-12-02 02:24:39,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 02:24:39,438 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:24:39,438 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:24:39,438 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:24:39,438 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:24:39,439 INFO L82 PathProgramCache]: Analyzing trace with hash 961573706, now seen corresponding path program 1 times [2018-12-02 02:24:39,439 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:24:39,439 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:24:39,439 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:24:39,440 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:24:39,440 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:24:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:39,551 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:24:39,551 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:24:39,552 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 02:24:39,552 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:24:39,553 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 02:24:39,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 02:24:39,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 02:24:39,553 INFO L87 Difference]: Start difference. First operand 437 states and 633 transitions. Second operand 6 states. [2018-12-02 02:24:39,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:24:39,983 INFO L93 Difference]: Finished difference Result 1329 states and 2004 transitions. [2018-12-02 02:24:39,983 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 02:24:39,983 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 117 [2018-12-02 02:24:39,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:24:39,988 INFO L225 Difference]: With dead ends: 1329 [2018-12-02 02:24:39,988 INFO L226 Difference]: Without dead ends: 898 [2018-12-02 02:24:39,989 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 02:24:39,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 898 states. [2018-12-02 02:24:40,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 898 to 880. [2018-12-02 02:24:40,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 880 states. [2018-12-02 02:24:40,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 880 states to 880 states and 1284 transitions. [2018-12-02 02:24:40,014 INFO L78 Accepts]: Start accepts. Automaton has 880 states and 1284 transitions. Word has length 117 [2018-12-02 02:24:40,015 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:24:40,015 INFO L480 AbstractCegarLoop]: Abstraction has 880 states and 1284 transitions. [2018-12-02 02:24:40,015 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 02:24:40,015 INFO L276 IsEmpty]: Start isEmpty. Operand 880 states and 1284 transitions. [2018-12-02 02:24:40,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-02 02:24:40,016 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:24:40,016 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:24:40,016 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:24:40,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:24:40,017 INFO L82 PathProgramCache]: Analyzing trace with hash -956258770, now seen corresponding path program 1 times [2018-12-02 02:24:40,017 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:24:40,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:24:40,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:24:40,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:24:40,018 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:24:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:40,113 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:24:40,113 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:24:40,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 02:24:40,113 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:24:40,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 02:24:40,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 02:24:40,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 02:24:40,114 INFO L87 Difference]: Start difference. First operand 880 states and 1284 transitions. Second operand 6 states. [2018-12-02 02:24:40,610 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:24:40,610 INFO L93 Difference]: Finished difference Result 2219 states and 3338 transitions. [2018-12-02 02:24:40,610 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 02:24:40,610 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 119 [2018-12-02 02:24:40,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:24:40,614 INFO L225 Difference]: With dead ends: 2219 [2018-12-02 02:24:40,614 INFO L226 Difference]: Without dead ends: 1345 [2018-12-02 02:24:40,616 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 02:24:40,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1345 states. [2018-12-02 02:24:40,637 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1345 to 1039. [2018-12-02 02:24:40,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2018-12-02 02:24:40,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1451 transitions. [2018-12-02 02:24:40,640 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1451 transitions. Word has length 119 [2018-12-02 02:24:40,640 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:24:40,640 INFO L480 AbstractCegarLoop]: Abstraction has 1039 states and 1451 transitions. [2018-12-02 02:24:40,640 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 02:24:40,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1451 transitions. [2018-12-02 02:24:40,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-02 02:24:40,641 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:24:40,641 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:24:40,641 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:24:40,642 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:24:40,642 INFO L82 PathProgramCache]: Analyzing trace with hash -550888759, now seen corresponding path program 1 times [2018-12-02 02:24:40,642 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:24:40,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:24:40,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:24:40,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:24:40,643 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:24:40,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:40,745 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 02:24:40,746 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:24:40,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-02 02:24:40,746 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:24:40,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-02 02:24:40,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-02 02:24:40,746 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2018-12-02 02:24:40,746 INFO L87 Difference]: Start difference. First operand 1039 states and 1451 transitions. Second operand 7 states. [2018-12-02 02:24:41,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:24:41,541 INFO L93 Difference]: Finished difference Result 2238 states and 3166 transitions. [2018-12-02 02:24:41,541 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 02:24:41,541 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 122 [2018-12-02 02:24:41,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:24:41,546 INFO L225 Difference]: With dead ends: 2238 [2018-12-02 02:24:41,546 INFO L226 Difference]: Without dead ends: 1039 [2018-12-02 02:24:41,548 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2018-12-02 02:24:41,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1039 states. [2018-12-02 02:24:41,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1039 to 1039. [2018-12-02 02:24:41,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1039 states. [2018-12-02 02:24:41,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1039 states to 1039 states and 1444 transitions. [2018-12-02 02:24:41,572 INFO L78 Accepts]: Start accepts. Automaton has 1039 states and 1444 transitions. Word has length 122 [2018-12-02 02:24:41,572 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:24:41,572 INFO L480 AbstractCegarLoop]: Abstraction has 1039 states and 1444 transitions. [2018-12-02 02:24:41,572 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-02 02:24:41,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1039 states and 1444 transitions. [2018-12-02 02:24:41,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-02 02:24:41,574 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:24:41,574 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:24:41,574 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:24:41,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:24:41,574 INFO L82 PathProgramCache]: Analyzing trace with hash 772314102, now seen corresponding path program 1 times [2018-12-02 02:24:41,575 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:24:41,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:24:41,575 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:24:41,575 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:24:41,576 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:24:41,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:41,655 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 02:24:41,655 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:24:41,655 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:24:41,656 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 124 with the following transitions: [2018-12-02 02:24:41,657 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [538], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-02 02:24:41,687 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:24:41,687 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:24:41,891 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 02:24:41,892 INFO L272 AbstractInterpreter]: Visited 84 different actions 84 times. Never merged. Never widened. Performed 749 root evaluator evaluations with a maximum evaluation depth of 9. Performed 749 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 24 variables. [2018-12-02 02:24:41,896 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:24:41,897 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 02:24:42,044 INFO L227 lantSequenceWeakener]: Weakened 117 states. On average, predicates are now at 73.5% of their original sizes. [2018-12-02 02:24:42,044 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 02:24:42,067 INFO L418 sIntCurrentIteration]: We unified 122 AI predicates to 122 [2018-12-02 02:24:42,067 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 02:24:42,068 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 02:24:42,068 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [4] total 8 [2018-12-02 02:24:42,068 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:24:42,069 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 02:24:42,069 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 02:24:42,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 02:24:42,069 INFO L87 Difference]: Start difference. First operand 1039 states and 1444 transitions. Second operand 6 states. [2018-12-02 02:24:49,611 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:24:49,611 INFO L93 Difference]: Finished difference Result 2216 states and 3075 transitions. [2018-12-02 02:24:49,612 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-02 02:24:49,612 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 123 [2018-12-02 02:24:49,612 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:24:49,614 INFO L225 Difference]: With dead ends: 2216 [2018-12-02 02:24:49,614 INFO L226 Difference]: Without dead ends: 1183 [2018-12-02 02:24:49,616 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 123 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-02 02:24:49,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1183 states. [2018-12-02 02:24:49,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1183 to 1182. [2018-12-02 02:24:49,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1182 states. [2018-12-02 02:24:49,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 1182 states and 1595 transitions. [2018-12-02 02:24:49,631 INFO L78 Accepts]: Start accepts. Automaton has 1182 states and 1595 transitions. Word has length 123 [2018-12-02 02:24:49,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:24:49,631 INFO L480 AbstractCegarLoop]: Abstraction has 1182 states and 1595 transitions. [2018-12-02 02:24:49,631 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 02:24:49,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1595 transitions. [2018-12-02 02:24:49,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-02 02:24:49,632 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:24:49,632 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 02:24:49,633 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:24:49,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:24:49,633 INFO L82 PathProgramCache]: Analyzing trace with hash -491536303, now seen corresponding path program 1 times [2018-12-02 02:24:49,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:24:49,633 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:24:49,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:24:49,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:24:49,634 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:24:49,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:24:49,695 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 02:24:49,695 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:24:49,695 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:24:49,696 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 159 with the following transitions: [2018-12-02 02:24:49,696 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-02 02:24:49,698 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:24:49,699 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:24:49,822 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-02 02:24:49,822 INFO L272 AbstractInterpreter]: Visited 122 different actions 238 times. Merged at 4 different actions 4 times. Never widened. Performed 2435 root evaluator evaluations with a maximum evaluation depth of 13. Performed 2435 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-02 02:24:49,826 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:24:49,826 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-02 02:24:49,964 INFO L227 lantSequenceWeakener]: Weakened 155 states. On average, predicates are now at 78.31% of their original sizes. [2018-12-02 02:24:49,964 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-02 02:24:50,004 INFO L418 sIntCurrentIteration]: We unified 157 AI predicates to 157 [2018-12-02 02:24:50,004 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-02 02:24:50,004 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-02 02:24:50,004 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [4] total 12 [2018-12-02 02:24:50,004 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:24:50,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-02 02:24:50,004 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-02 02:24:50,004 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-02 02:24:50,005 INFO L87 Difference]: Start difference. First operand 1182 states and 1595 transitions. Second operand 10 states. [2018-12-02 02:25:11,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:25:11,367 INFO L93 Difference]: Finished difference Result 3131 states and 4376 transitions. [2018-12-02 02:25:11,367 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-02 02:25:11,367 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 158 [2018-12-02 02:25:11,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:25:11,371 INFO L225 Difference]: With dead ends: 3131 [2018-12-02 02:25:11,371 INFO L226 Difference]: Without dead ends: 2098 [2018-12-02 02:25:11,373 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 168 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-02 02:25:11,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2098 states. [2018-12-02 02:25:11,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2098 to 1933. [2018-12-02 02:25:11,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1933 states. [2018-12-02 02:25:11,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1933 states to 1933 states and 2534 transitions. [2018-12-02 02:25:11,405 INFO L78 Accepts]: Start accepts. Automaton has 1933 states and 2534 transitions. Word has length 158 [2018-12-02 02:25:11,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:25:11,406 INFO L480 AbstractCegarLoop]: Abstraction has 1933 states and 2534 transitions. [2018-12-02 02:25:11,406 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-02 02:25:11,406 INFO L276 IsEmpty]: Start isEmpty. Operand 1933 states and 2534 transitions. [2018-12-02 02:25:11,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2018-12-02 02:25:11,408 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:25:11,408 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-02 02:25:11,408 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:25:11,408 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:25:11,408 INFO L82 PathProgramCache]: Analyzing trace with hash -1586087150, now seen corresponding path program 1 times [2018-12-02 02:25:11,408 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:25:11,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:25:11,409 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:25:11,409 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:25:11,409 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:25:11,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:25:11,475 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-02 02:25:11,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 02:25:11,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-02 02:25:11,475 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-02 02:25:11,476 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-02 02:25:11,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-02 02:25:11,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 02:25:11,476 INFO L87 Difference]: Start difference. First operand 1933 states and 2534 transitions. Second operand 4 states. [2018-12-02 02:25:11,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:25:11,927 INFO L93 Difference]: Finished difference Result 4293 states and 5764 transitions. [2018-12-02 02:25:11,928 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-02 02:25:11,928 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 225 [2018-12-02 02:25:11,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:25:11,935 INFO L225 Difference]: With dead ends: 4293 [2018-12-02 02:25:11,935 INFO L226 Difference]: Without dead ends: 2217 [2018-12-02 02:25:11,938 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-02 02:25:11,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2217 states. [2018-12-02 02:25:11,973 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2217 to 2074. [2018-12-02 02:25:11,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2074 states. [2018-12-02 02:25:11,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 2683 transitions. [2018-12-02 02:25:11,976 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 2683 transitions. Word has length 225 [2018-12-02 02:25:11,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:25:11,977 INFO L480 AbstractCegarLoop]: Abstraction has 2074 states and 2683 transitions. [2018-12-02 02:25:11,977 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-02 02:25:11,977 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2683 transitions. [2018-12-02 02:25:11,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 353 [2018-12-02 02:25:11,981 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 02:25:11,981 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 02:25:11,982 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 02:25:11,982 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:25:11,982 INFO L82 PathProgramCache]: Analyzing trace with hash -95661739, now seen corresponding path program 1 times [2018-12-02 02:25:11,982 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-02 02:25:11,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:25:11,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:25:11,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 02:25:11,983 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-02 02:25:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:25:12,196 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 172 proven. 74 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-12-02 02:25:12,196 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:25:12,196 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-02 02:25:12,196 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 353 with the following transitions: [2018-12-02 02:25:12,197 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [253], [255], [258], [266], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [679], [683], [687], [691], [695], [699], [703], [706], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-02 02:25:12,199 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-02 02:25:12,199 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-02 02:25:12,431 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-02 02:25:12,431 INFO L272 AbstractInterpreter]: Visited 132 different actions 391 times. Merged at 7 different actions 17 times. Never widened. Performed 4201 root evaluator evaluations with a maximum evaluation depth of 13. Performed 4201 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-02 02:25:12,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 02:25:12,434 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-02 02:25:12,434 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 02:25:12,434 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ff829ca7-5a6d-419a-b9e6-e6002a6e0ba7/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 02:25:12,443 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 02:25:12,443 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-02 02:25:12,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 02:25:12,519 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 02:25:12,803 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 296 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-02 02:25:12,803 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-02 02:25:13,098 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 296 proven. 2 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-02 02:25:13,113 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-02 02:25:13,113 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 18 [2018-12-02 02:25:13,113 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-02 02:25:13,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-02 02:25:13,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-02 02:25:13,114 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2018-12-02 02:25:13,114 INFO L87 Difference]: Start difference. First operand 2074 states and 2683 transitions. Second operand 13 states. [2018-12-02 02:25:18,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 02:25:18,116 INFO L93 Difference]: Finished difference Result 5128 states and 7057 transitions. [2018-12-02 02:25:18,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-12-02 02:25:18,117 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 352 [2018-12-02 02:25:18,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 02:25:18,117 INFO L225 Difference]: With dead ends: 5128 [2018-12-02 02:25:18,117 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 02:25:18,126 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 762 GetRequests, 697 SyntacticMatches, 3 SemanticMatches, 62 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1066 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=806, Invalid=3226, Unknown=0, NotChecked=0, Total=4032 [2018-12-02 02:25:18,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 02:25:18,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 02:25:18,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 02:25:18,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 02:25:18,127 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 352 [2018-12-02 02:25:18,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 02:25:18,127 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 02:25:18,127 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-02 02:25:18,127 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 02:25:18,127 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 02:25:18,131 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 02:25:18,208 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:25:18,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:25:18,257 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:25:18,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:25:18,268 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:25:18,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:25:18,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:25:18,282 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 02:25:18,674 WARN L180 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 59 [2018-12-02 02:25:18,820 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 46 [2018-12-02 02:25:18,980 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 42 [2018-12-02 02:25:18,982 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 02:25:18,982 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= |old(~a10~0)| ~a10~0) [2018-12-02 02:25:18,982 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:25:18,982 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-12-02 02:25:18,983 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,983 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,983 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,983 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,983 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,983 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,983 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-12-02 02:25:18,983 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-12-02 02:25:18,983 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-02 02:25:18,983 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-02 02:25:18,983 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-02 02:25:18,983 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-02 02:25:18,983 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-02 02:25:18,983 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-02 02:25:18,984 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-12-02 02:25:18,984 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-12-02 02:25:18,984 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-12-02 02:25:18,984 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,984 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,984 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,984 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,984 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,984 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-12-02 02:25:18,984 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-12-02 02:25:18,984 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-12-02 02:25:18,984 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-12-02 02:25:18,984 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-02 02:25:18,984 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-02 02:25:18,984 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-02 02:25:18,984 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-02 02:25:18,984 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-02 02:25:18,984 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-12-02 02:25:18,984 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-12-02 02:25:18,984 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 115) no Hoare annotation was computed. [2018-12-02 02:25:18,984 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,985 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-12-02 02:25:18,986 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,987 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,988 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,989 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-12-02 02:25:18,989 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-12-02 02:25:18,989 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-12-02 02:25:18,989 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-02 02:25:18,989 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-02 02:25:18,989 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-02 02:25:18,989 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-02 02:25:18,989 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-02 02:25:18,989 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-02 02:25:18,989 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-12-02 02:25:18,989 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-12-02 02:25:18,989 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse6 (<= |old(~a1~0)| ~a1~0)) (.cse7 (= |old(~a10~0)| ~a10~0))) (let ((.cse3 (< 218 |old(~a1~0)|)) (.cse5 (<= ~a1~0 218)) (.cse10 (= 3 |old(~a10~0)|)) (.cse0 (= 7 |old(~a19~0)|)) (.cse4 (not (= 7 ~a19~0))) (.cse11 (= 0 |old(~a10~0)|)) (.cse1 (not (= 14 ~a4~0))) (.cse2 (not (= 0 ~a12~0))) (.cse8 (not (= 9 |old(~a19~0)|))) (.cse9 (= |calculate_output_#in~input| 0)) (.cse12 (and .cse6 .cse7))) (and (or .cse0 .cse1 .cse2 .cse3 (and .cse4 .cse5 .cse6 .cse7)) (or (= ~a19~0 9) .cse1 .cse2 .cse8 .cse9) (or .cse10 .cse0 .cse1 .cse2 (<= ~a1~0 23) .cse11 (< 23 |old(~a1~0)|)) (or .cse10 .cse1 .cse2 .cse12 .cse11) (or .cse10 (not (= 8 |old(~a19~0)|)) .cse1 .cse2 (and (= 8 ~a19~0) .cse7)) (or (or .cse10 .cse3) .cse5 .cse1 .cse2 .cse11) (or .cse10 .cse0 .cse4 .cse1 .cse2 .cse11) (or (= ~a1~0 23) .cse1 .cse2 .cse8 (not (= 23 |old(~a1~0)|)) .cse9 (not .cse11)) (or .cse1 .cse2 .cse8 .cse9 .cse12)))) [2018-12-02 02:25:18,989 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-12-02 02:25:18,989 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-12-02 02:25:18,989 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-12-02 02:25:18,989 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,989 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,989 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,990 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,990 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,990 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,990 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-12-02 02:25:18,990 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-02 02:25:18,990 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-02 02:25:18,990 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-02 02:25:18,990 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-02 02:25:18,990 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-02 02:25:18,990 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-02 02:25:18,990 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-12-02 02:25:18,990 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-12-02 02:25:18,990 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-12-02 02:25:18,990 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-12-02 02:25:18,990 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-12-02 02:25:18,990 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-12-02 02:25:18,990 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,990 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,990 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,990 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-12-02 02:25:18,991 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-02 02:25:18,992 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-02 02:25:18,992 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-02 02:25:18,992 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-02 02:25:18,992 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-02 02:25:18,992 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-02 02:25:18,992 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-12-02 02:25:18,992 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-12-02 02:25:18,992 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-12-02 02:25:18,992 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 02:25:18,992 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-12-02 02:25:18,992 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 02:25:18,992 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 02:25:18,992 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (and (= ~a19~0 9) (= ~a1~0 23) (= |old(~a10~0)| ~a10~0)) (not (= 14 ~a4~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 23 |old(~a1~0)|)) (not (= 0 |old(~a10~0)|))) [2018-12-02 02:25:18,992 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-12-02 02:25:18,992 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse2 (not (= 0 ~a10~0))) (.cse1 (not (= 7 ~a19~0))) (.cse3 (<= ~a1~0 218)) (.cse0 (not (= ~a10~0 3)))) (or (and (not (= main_~input~0 0)) (= ~a19~0 9)) (not (= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (and .cse0 .cse1 .cse2) (not (= 9 |old(~a19~0)|)) (= 1 ~a10~0) (not (= 0 |old(~a10~0)|)) (and .cse0 .cse3 .cse2) (not (= 14 ~a4~0)) (and .cse1 .cse3) (and .cse0 (= 8 ~a19~0)))) [2018-12-02 02:25:18,992 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-12-02 02:25:18,992 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-12-02 02:25:18,992 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse2 (not (= 0 ~a10~0))) (.cse1 (not (= 7 ~a19~0))) (.cse3 (<= ~a1~0 218)) (.cse0 (not (= ~a10~0 3)))) (or (not (= 23 |old(~a1~0)|)) (not (= 0 ~a12~0)) (and .cse0 .cse1 .cse2) (not (= 9 |old(~a19~0)|)) (= 1 ~a10~0) (not (= 0 |old(~a10~0)|)) (and .cse0 .cse3 .cse2) (not (= 14 ~a4~0)) (= ~a19~0 9) (and .cse1 .cse3) (and .cse0 (= 8 ~a19~0)))) [2018-12-02 02:25:18,993 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-12-02 02:25:18,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 02:25:18 BoogieIcfgContainer [2018-12-02 02:25:18,999 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 02:25:18,999 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 02:25:18,999 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 02:25:19,000 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 02:25:19,000 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:24:38" (3/4) ... [2018-12-02 02:25:19,002 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 02:25:19,006 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 02:25:19,006 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 02:25:19,006 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 02:25:19,012 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 02:25:19,013 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 02:25:19,032 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(23 == \old(a1)) || !(0 == a12)) || ((!(a10 == 3) && !(7 == a19)) && !(0 == a10))) || !(9 == \old(a19))) || 1 == a10) || !(0 == \old(a10))) || ((!(a10 == 3) && a1 <= 218) && !(0 == a10))) || !(14 == a4)) || a19 == 9) || (!(7 == a19) && a1 <= 218)) || (!(a10 == 3) && 8 == a19) [2018-12-02 02:25:19,082 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ff829ca7-5a6d-419a-b9e6-e6002a6e0ba7/bin-2019/utaipan/witness.graphml [2018-12-02 02:25:19,082 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 02:25:19,083 INFO L168 Benchmark]: Toolchain (without parser) took 41691.40 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.9 GB). Free memory was 947.0 MB in the beginning and 2.6 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-12-02 02:25:19,083 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 02:25:19,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 320.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 66.1 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -100.5 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2018-12-02 02:25:19,083 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:25:19,084 INFO L168 Benchmark]: Boogie Preprocessor took 52.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. [2018-12-02 02:25:19,084 INFO L168 Benchmark]: RCFGBuilder took 658.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 935.8 MB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. [2018-12-02 02:25:19,084 INFO L168 Benchmark]: TraceAbstraction took 40550.63 ms. Allocated memory was 1.1 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 935.8 MB in the beginning and 2.6 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-12-02 02:25:19,084 INFO L168 Benchmark]: Witness Printer took 82.85 ms. Allocated memory is still 4.9 GB. Free memory is still 2.6 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 02:25:19,085 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 320.83 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 66.1 MB). Free memory was 947.0 MB in the beginning and 1.0 GB in the end (delta: -100.5 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.76 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.68 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 7.3 MB). Peak memory consumption was 7.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 658.47 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 935.8 MB in the end (delta: 104.4 MB). Peak memory consumption was 104.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 40550.63 ms. Allocated memory was 1.1 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 935.8 MB in the beginning and 2.6 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. * Witness Printer took 82.85 ms. Allocated memory is still 4.9 GB. Free memory is still 2.6 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 115]: 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: 582]: Loop Invariant Derived loop invariant: (((((((((!(23 == \old(a1)) || !(0 == a12)) || ((!(a10 == 3) && !(7 == a19)) && !(0 == a10))) || !(9 == \old(a19))) || 1 == a10) || !(0 == \old(a10))) || ((!(a10 == 3) && a1 <= 218) && !(0 == a10))) || !(14 == a4)) || a19 == 9) || (!(7 == a19) && a1 <= 218)) || (!(a10 == 3) && 8 == a19) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 40.5s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 36.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 356 SDtfs, 5586 SDslu, 458 SDs, 0 SdLazy, 9235 SolverSat, 2388 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 31.0s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 1097 GetRequests, 981 SyntacticMatches, 5 SemanticMatches, 111 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1140 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2074occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.6s AbstIntTime, 3 AbstIntIterations, 2 AbstIntStrong, 0.9968229172846502 AbsIntWeakeningRatio, 0.14336917562724014 AbsIntAvgWeakeningVarsNumRemoved, 14.31899641577061 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 8 MinimizatonAttempts, 633 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 99 PreInvPairs, 173 NumberOfFragments, 407 HoareAnnotationTreeSize, 99 FomulaSimplifications, 5479 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3540 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1611 NumberOfCodeBlocks, 1611 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1953 ConstructedInterpolants, 0 QuantifiedInterpolants, 3172917 SizeOfPredicates, 8 NumberOfNonLiveVariables, 562 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 1279/1423 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...