./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_a959d04c-931c-4b77-8fd4-51907f6521a8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_a959d04c-931c-4b77-8fd4-51907f6521a8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_a959d04c-931c-4b77-8fd4-51907f6521a8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_a959d04c-931c-4b77-8fd4-51907f6521a8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_a959d04c-931c-4b77-8fd4-51907f6521a8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_a959d04c-931c-4b77-8fd4-51907f6521a8/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 3bc052be4bf83a6b89bc47d6157f3742948fabcf ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:54:24,820 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:54:24,821 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:54:24,830 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:54:24,830 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:54:24,831 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:54:24,832 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:54:24,833 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:54:24,834 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:54:24,835 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:54:24,835 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:54:24,836 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:54:24,836 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:54:24,837 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:54:24,838 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:54:24,838 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:54:24,839 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:54:24,841 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:54:24,842 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:54:24,843 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:54:24,844 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:54:24,845 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:54:24,847 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:54:24,847 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:54:24,847 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:54:24,848 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:54:24,848 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:54:24,850 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:54:24,850 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:54:24,851 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:54:24,851 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:54:24,852 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:54:24,852 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:54:24,852 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:54:24,853 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:54:24,854 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:54:24,854 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_a959d04c-931c-4b77-8fd4-51907f6521a8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 13:54:24,865 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:54:24,865 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:54:24,866 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:54:24,866 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 13:54:24,866 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 13:54:24,866 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 13:54:24,867 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 13:54:24,867 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 13:54:24,867 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 13:54:24,867 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 13:54:24,867 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 13:54:24,867 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 13:54:24,867 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 13:54:24,868 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:54:24,868 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:54:24,868 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:54:24,868 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:54:24,868 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:54:24,868 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:54:24,869 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:54:24,869 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:54:24,869 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:54:24,871 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:54:24,871 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:54:24,871 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:54:24,871 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:54:24,871 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 13:54:24,871 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:54:24,871 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 13:54:24,872 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:54:24,872 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:54:24,872 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:54:24,872 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:54:24,872 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 13:54:24,872 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:54:24,872 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:54:24,872 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 13:54:24,873 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_a959d04c-931c-4b77-8fd4-51907f6521a8/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 -> 3bc052be4bf83a6b89bc47d6157f3742948fabcf [2018-11-18 13:54:24,898 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:54:24,912 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:54:24,915 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:54:24,916 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:54:24,917 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:54:24,917 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_a959d04c-931c-4b77-8fd4-51907f6521a8/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c [2018-11-18 13:54:24,971 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a959d04c-931c-4b77-8fd4-51907f6521a8/bin-2019/utaipan/data/d63c5ea2c/69e482de573641cca669f6fd8e2ec437/FLAG1cf05f579 [2018-11-18 13:54:25,386 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:54:25,386 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_a959d04c-931c-4b77-8fd4-51907f6521a8/sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c [2018-11-18 13:54:25,395 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_a959d04c-931c-4b77-8fd4-51907f6521a8/bin-2019/utaipan/data/d63c5ea2c/69e482de573641cca669f6fd8e2ec437/FLAG1cf05f579 [2018-11-18 13:54:25,408 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_a959d04c-931c-4b77-8fd4-51907f6521a8/bin-2019/utaipan/data/d63c5ea2c/69e482de573641cca669f6fd8e2ec437 [2018-11-18 13:54:25,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:54:25,412 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:54:25,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:54:25,413 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:54:25,416 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:54:25,417 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:54:25" (1/1) ... [2018-11-18 13:54:25,420 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bc33b0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:25, skipping insertion in model container [2018-11-18 13:54:25,420 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:54:25" (1/1) ... [2018-11-18 13:54:25,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:54:25,465 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:54:25,739 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:54:25,743 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:54:25,807 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:54:25,819 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:54:25,819 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:25 WrapperNode [2018-11-18 13:54:25,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:54:25,820 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:54:25,820 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:54:25,820 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:54:25,882 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:25" (1/1) ... [2018-11-18 13:54:25,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:25" (1/1) ... [2018-11-18 13:54:25,902 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:54:25,902 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:54:25,903 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:54:25,903 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:54:25,911 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:25" (1/1) ... [2018-11-18 13:54:25,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:25" (1/1) ... [2018-11-18 13:54:25,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:25" (1/1) ... [2018-11-18 13:54:25,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:25" (1/1) ... [2018-11-18 13:54:25,941 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:25" (1/1) ... [2018-11-18 13:54:25,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:25" (1/1) ... [2018-11-18 13:54:25,957 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:25" (1/1) ... [2018-11-18 13:54:25,962 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:54:25,963 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:54:25,963 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:54:25,963 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:54:25,964 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a959d04c-931c-4b77-8fd4-51907f6521a8/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 13:54:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:54:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 13:54:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 13:54:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 13:54:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 13:54:26,030 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:54:26,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:54:26,031 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 13:54:26,031 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 13:54:27,913 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:54:27,913 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:54:27 BoogieIcfgContainer [2018-11-18 13:54:27,913 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:54:27,914 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 13:54:27,914 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 13:54:27,918 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 13:54:27,918 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 01:54:25" (1/3) ... [2018-11-18 13:54:27,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@666f4f2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:54:27, skipping insertion in model container [2018-11-18 13:54:27,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:54:25" (2/3) ... [2018-11-18 13:54:27,919 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@666f4f2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 01:54:27, skipping insertion in model container [2018-11-18 13:54:27,919 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:54:27" (3/3) ... [2018-11-18 13:54:27,921 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label17_true-unreach-call_false-termination.c [2018-11-18 13:54:27,929 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 13:54:27,935 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 13:54:27,945 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 13:54:27,970 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 13:54:27,971 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 13:54:27,971 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 13:54:27,971 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 13:54:27,971 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 13:54:27,973 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 13:54:27,973 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 13:54:27,973 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 13:54:27,991 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states. [2018-11-18 13:54:28,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 13:54:28,000 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:54:28,001 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:54:28,003 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:54:28,007 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:28,007 INFO L82 PathProgramCache]: Analyzing trace with hash -346865840, now seen corresponding path program 1 times [2018-11-18 13:54:28,009 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:54:28,050 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:28,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:54:28,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:28,051 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:54:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:54:28,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:54:28,510 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:54:28,511 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 13:54:28,511 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:54:28,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 13:54:28,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 13:54:28,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:54:28,528 INFO L87 Difference]: Start difference. First operand 237 states. Second operand 3 states. [2018-11-18 13:54:29,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:54:29,660 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-11-18 13:54:29,660 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 13:54:29,661 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2018-11-18 13:54:29,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:54:29,672 INFO L225 Difference]: With dead ends: 618 [2018-11-18 13:54:29,672 INFO L226 Difference]: Without dead ends: 379 [2018-11-18 13:54:29,676 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 13:54:29,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2018-11-18 13:54:29,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2018-11-18 13:54:29,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2018-11-18 13:54:29,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 621 transitions. [2018-11-18 13:54:29,725 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 621 transitions. Word has length 126 [2018-11-18 13:54:29,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:54:29,726 INFO L480 AbstractCegarLoop]: Abstraction has 379 states and 621 transitions. [2018-11-18 13:54:29,726 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 13:54:29,726 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 621 transitions. [2018-11-18 13:54:29,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 13:54:29,733 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:54:29,734 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:54:29,734 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:54:29,735 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:29,735 INFO L82 PathProgramCache]: Analyzing trace with hash -837125915, now seen corresponding path program 1 times [2018-11-18 13:54:29,735 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:54:29,736 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:29,736 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:54:29,737 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:29,737 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:54:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:54:29,922 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:54:29,922 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:54:29,922 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:54:29,922 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:54:29,924 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:54:29,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:54:29,924 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:54:29,924 INFO L87 Difference]: Start difference. First operand 379 states and 621 transitions. Second operand 6 states. [2018-11-18 13:54:31,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:54:31,091 INFO L93 Difference]: Finished difference Result 1229 states and 2094 transitions. [2018-11-18 13:54:31,092 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-18 13:54:31,092 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 142 [2018-11-18 13:54:31,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:54:31,099 INFO L225 Difference]: With dead ends: 1229 [2018-11-18 13:54:31,100 INFO L226 Difference]: Without dead ends: 856 [2018-11-18 13:54:31,106 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:54:31,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2018-11-18 13:54:31,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 823. [2018-11-18 13:54:31,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 823 states. [2018-11-18 13:54:31,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 823 states and 1292 transitions. [2018-11-18 13:54:31,149 INFO L78 Accepts]: Start accepts. Automaton has 823 states and 1292 transitions. Word has length 142 [2018-11-18 13:54:31,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:54:31,150 INFO L480 AbstractCegarLoop]: Abstraction has 823 states and 1292 transitions. [2018-11-18 13:54:31,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:54:31,150 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1292 transitions. [2018-11-18 13:54:31,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 13:54:31,154 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:54:31,155 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:54:31,155 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:54:31,155 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:31,155 INFO L82 PathProgramCache]: Analyzing trace with hash -517700326, now seen corresponding path program 1 times [2018-11-18 13:54:31,155 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:54:31,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:31,156 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:54:31,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:31,156 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:54:31,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:54:31,398 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:54:31,399 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:54:31,399 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 13:54:31,399 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:54:31,399 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:54:31,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:54:31,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:54:31,400 INFO L87 Difference]: Start difference. First operand 823 states and 1292 transitions. Second operand 6 states. [2018-11-18 13:54:34,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:54:34,251 INFO L93 Difference]: Finished difference Result 2557 states and 4222 transitions. [2018-11-18 13:54:34,251 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:54:34,252 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 149 [2018-11-18 13:54:34,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:54:34,265 INFO L225 Difference]: With dead ends: 2557 [2018-11-18 13:54:34,265 INFO L226 Difference]: Without dead ends: 1740 [2018-11-18 13:54:34,270 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:54:34,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2018-11-18 13:54:34,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1682. [2018-11-18 13:54:34,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2018-11-18 13:54:34,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2540 transitions. [2018-11-18 13:54:34,318 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2540 transitions. Word has length 149 [2018-11-18 13:54:34,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:54:34,319 INFO L480 AbstractCegarLoop]: Abstraction has 1682 states and 2540 transitions. [2018-11-18 13:54:34,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:54:34,319 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2540 transitions. [2018-11-18 13:54:34,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 13:54:34,323 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:54:34,323 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:54:34,324 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:54:34,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:34,324 INFO L82 PathProgramCache]: Analyzing trace with hash -1972736718, now seen corresponding path program 1 times [2018-11-18 13:54:34,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:54:34,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:34,324 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:54:34,324 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:34,324 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:54:34,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:54:34,417 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 13:54:34,418 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:54:34,418 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:54:34,418 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-11-18 13:54:34,420 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [679], [681], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:54:34,449 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:54:34,450 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:54:34,765 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:54:34,767 INFO L272 AbstractInterpreter]: Visited 127 different actions 127 times. Never merged. Never widened. Performed 1392 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1392 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-18 13:54:34,793 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:34,793 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:54:35,026 INFO L227 lantSequenceWeakener]: Weakened 142 states. On average, predicates are now at 81.13% of their original sizes. [2018-11-18 13:54:35,026 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:54:35,071 INFO L415 sIntCurrentIteration]: We unified 150 AI predicates to 150 [2018-11-18 13:54:35,071 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:54:35,072 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:54:35,072 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 13:54:35,072 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:54:35,072 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 13:54:35,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 13:54:35,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 13:54:35,073 INFO L87 Difference]: Start difference. First operand 1682 states and 2540 transitions. Second operand 6 states. [2018-11-18 13:54:37,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:54:37,715 INFO L93 Difference]: Finished difference Result 3506 states and 5281 transitions. [2018-11-18 13:54:37,715 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 13:54:37,716 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 151 [2018-11-18 13:54:37,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:54:37,720 INFO L225 Difference]: With dead ends: 3506 [2018-11-18 13:54:37,720 INFO L226 Difference]: Without dead ends: 1830 [2018-11-18 13:54:37,723 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 13:54:37,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1830 states. [2018-11-18 13:54:37,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1830 to 1827. [2018-11-18 13:54:37,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1827 states. [2018-11-18 13:54:37,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1827 states and 2692 transitions. [2018-11-18 13:54:37,751 INFO L78 Accepts]: Start accepts. Automaton has 1827 states and 2692 transitions. Word has length 151 [2018-11-18 13:54:37,752 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:54:37,752 INFO L480 AbstractCegarLoop]: Abstraction has 1827 states and 2692 transitions. [2018-11-18 13:54:37,752 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 13:54:37,752 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2692 transitions. [2018-11-18 13:54:37,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 13:54:37,755 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:54:37,756 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:54:37,756 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:54:37,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:37,756 INFO L82 PathProgramCache]: Analyzing trace with hash -336940495, now seen corresponding path program 1 times [2018-11-18 13:54:37,756 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:54:37,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:37,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:54:37,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:37,757 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:54:37,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:54:37,867 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 32 proven. 17 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:54:37,867 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:54:37,867 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:54:37,867 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 162 with the following transitions: [2018-11-18 13:54:37,868 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [679], [681], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:54:37,871 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:54:37,872 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:54:38,164 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:54:38,165 INFO L272 AbstractInterpreter]: Visited 131 different actions 386 times. Merged at 7 different actions 15 times. Never widened. Performed 4308 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4308 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 13:54:38,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:38,173 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:54:38,347 INFO L227 lantSequenceWeakener]: Weakened 158 states. On average, predicates are now at 84.58% of their original sizes. [2018-11-18 13:54:38,347 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:54:38,402 INFO L415 sIntCurrentIteration]: We unified 160 AI predicates to 160 [2018-11-18 13:54:38,402 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:54:38,402 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:54:38,403 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-18 13:54:38,403 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:54:38,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:54:38,403 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:54:38,403 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 13:54:38,404 INFO L87 Difference]: Start difference. First operand 1827 states and 2692 transitions. Second operand 9 states. [2018-11-18 13:54:41,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:54:41,647 INFO L93 Difference]: Finished difference Result 4531 states and 6711 transitions. [2018-11-18 13:54:41,647 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 13:54:41,647 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 161 [2018-11-18 13:54:41,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:54:41,653 INFO L225 Difference]: With dead ends: 4531 [2018-11-18 13:54:41,653 INFO L226 Difference]: Without dead ends: 2710 [2018-11-18 13:54:41,656 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 168 GetRequests, 153 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-18 13:54:41,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2710 states. [2018-11-18 13:54:41,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2710 to 2633. [2018-11-18 13:54:41,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2633 states. [2018-11-18 13:54:41,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2633 states to 2633 states and 3700 transitions. [2018-11-18 13:54:41,696 INFO L78 Accepts]: Start accepts. Automaton has 2633 states and 3700 transitions. Word has length 161 [2018-11-18 13:54:41,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:54:41,697 INFO L480 AbstractCegarLoop]: Abstraction has 2633 states and 3700 transitions. [2018-11-18 13:54:41,697 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:54:41,697 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3700 transitions. [2018-11-18 13:54:41,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 13:54:41,702 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:54:41,702 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:54:41,702 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:54:41,702 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:41,703 INFO L82 PathProgramCache]: Analyzing trace with hash -1986244073, now seen corresponding path program 1 times [2018-11-18 13:54:41,703 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:54:41,703 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:41,703 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:54:41,704 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:41,704 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:54:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:54:41,810 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 48 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:54:41,810 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:54:41,810 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:54:41,811 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 173 with the following transitions: [2018-11-18 13:54:41,811 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [679], [681], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:54:41,814 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:54:41,814 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:54:41,987 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 13:54:41,987 INFO L272 AbstractInterpreter]: Visited 130 different actions 386 times. Merged at 7 different actions 18 times. Never widened. Performed 4404 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4404 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 13:54:41,997 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:41,997 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 13:54:42,125 INFO L227 lantSequenceWeakener]: Weakened 169 states. On average, predicates are now at 84.8% of their original sizes. [2018-11-18 13:54:42,125 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 13:54:42,189 INFO L415 sIntCurrentIteration]: We unified 171 AI predicates to 171 [2018-11-18 13:54:42,190 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 13:54:42,190 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 13:54:42,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 13:54:42,190 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:54:42,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 13:54:42,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 13:54:42,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:54:42,191 INFO L87 Difference]: Start difference. First operand 2633 states and 3700 transitions. Second operand 10 states. [2018-11-18 13:54:46,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:54:46,446 INFO L93 Difference]: Finished difference Result 8121 states and 11750 transitions. [2018-11-18 13:54:46,446 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-18 13:54:46,446 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 172 [2018-11-18 13:54:46,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:54:46,465 INFO L225 Difference]: With dead ends: 8121 [2018-11-18 13:54:46,465 INFO L226 Difference]: Without dead ends: 5494 [2018-11-18 13:54:46,475 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 183 GetRequests, 163 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=346, Unknown=0, NotChecked=0, Total=462 [2018-11-18 13:54:46,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5494 states. [2018-11-18 13:54:46,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5494 to 5345. [2018-11-18 13:54:46,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5345 states. [2018-11-18 13:54:46,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5345 states to 5345 states and 6822 transitions. [2018-11-18 13:54:46,584 INFO L78 Accepts]: Start accepts. Automaton has 5345 states and 6822 transitions. Word has length 172 [2018-11-18 13:54:46,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:54:46,584 INFO L480 AbstractCegarLoop]: Abstraction has 5345 states and 6822 transitions. [2018-11-18 13:54:46,584 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 13:54:46,585 INFO L276 IsEmpty]: Start isEmpty. Operand 5345 states and 6822 transitions. [2018-11-18 13:54:46,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 13:54:46,595 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:54:46,596 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:54:46,596 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:54:46,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:46,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1746497625, now seen corresponding path program 1 times [2018-11-18 13:54:46,596 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:54:46,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:46,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:54:46,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:46,597 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:54:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:54:46,691 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:54:46,691 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:54:46,691 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:54:46,691 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 195 with the following transitions: [2018-11-18 13:54:46,692 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [679], [681], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:54:46,694 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:54:46,695 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:54:47,086 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:54:47,086 INFO L272 AbstractInterpreter]: Visited 132 different actions 396 times. Merged at 8 different actions 24 times. Never widened. Performed 4654 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4654 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-18 13:54:47,093 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:47,094 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:54:47,094 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:54:47,094 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a959d04c-931c-4b77-8fd4-51907f6521a8/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:54:47,107 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:54:47,107 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:54:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:54:47,186 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:54:47,279 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:54:47,280 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:54:47,423 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 97 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-11-18 13:54:47,444 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:54:47,444 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 13:54:47,444 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:54:47,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 13:54:47,445 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 13:54:47,445 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-11-18 13:54:47,445 INFO L87 Difference]: Start difference. First operand 5345 states and 6822 transitions. Second operand 9 states. [2018-11-18 13:54:49,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:54:49,145 INFO L93 Difference]: Finished difference Result 12099 states and 15733 transitions. [2018-11-18 13:54:49,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2018-11-18 13:54:49,146 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 194 [2018-11-18 13:54:49,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:54:49,155 INFO L225 Difference]: With dead ends: 12099 [2018-11-18 13:54:49,155 INFO L226 Difference]: Without dead ends: 2974 [2018-11-18 13:54:49,171 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 421 GetRequests, 396 SyntacticMatches, 2 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=166, Invalid=434, Unknown=0, NotChecked=0, Total=600 [2018-11-18 13:54:49,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2974 states. [2018-11-18 13:54:49,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2974 to 2918. [2018-11-18 13:54:49,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2918 states. [2018-11-18 13:54:49,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2918 states to 2918 states and 3419 transitions. [2018-11-18 13:54:49,224 INFO L78 Accepts]: Start accepts. Automaton has 2918 states and 3419 transitions. Word has length 194 [2018-11-18 13:54:49,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:54:49,225 INFO L480 AbstractCegarLoop]: Abstraction has 2918 states and 3419 transitions. [2018-11-18 13:54:49,225 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 13:54:49,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 3419 transitions. [2018-11-18 13:54:49,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-11-18 13:54:49,230 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:54:49,230 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 13:54:49,231 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:54:49,231 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:49,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1370992587, now seen corresponding path program 1 times [2018-11-18 13:54:49,231 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:54:49,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:49,232 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:54:49,232 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:49,232 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:54:49,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:54:49,357 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 79 proven. 48 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:54:49,357 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:54:49,357 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 13:54:49,357 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-11-18 13:54:49,358 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [679], [681], [863], [867], [871], [877], [881], [883], [888], [889], [890], [892], [893] [2018-11-18 13:54:49,360 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 13:54:49,360 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 13:54:49,722 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 13:54:49,722 INFO L272 AbstractInterpreter]: Visited 132 different actions 517 times. Merged at 8 different actions 25 times. Never widened. Performed 6102 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6102 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-18 13:54:49,725 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:49,725 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 13:54:49,726 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 13:54:49,726 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_a959d04c-931c-4b77-8fd4-51907f6521a8/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 13:54:49,732 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:54:49,732 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 13:54:49,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:54:49,778 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 13:54:49,824 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 13:54:49,824 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 13:54:49,892 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 90 proven. 30 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-18 13:54:49,908 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 13:54:49,908 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 5, 5] total 15 [2018-11-18 13:54:49,908 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 13:54:49,909 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-11-18 13:54:49,909 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-11-18 13:54:49,909 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2018-11-18 13:54:49,909 INFO L87 Difference]: Start difference. First operand 2918 states and 3419 transitions. Second operand 13 states. [2018-11-18 13:54:50,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:54:50,966 INFO L93 Difference]: Finished difference Result 5268 states and 6436 transitions. [2018-11-18 13:54:50,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2018-11-18 13:54:50,967 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 208 [2018-11-18 13:54:50,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:54:50,972 INFO L225 Difference]: With dead ends: 5268 [2018-11-18 13:54:50,973 INFO L226 Difference]: Without dead ends: 2213 [2018-11-18 13:54:50,976 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 470 GetRequests, 432 SyntacticMatches, 1 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 336 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=409, Invalid=1073, Unknown=0, NotChecked=0, Total=1482 [2018-11-18 13:54:50,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2213 states. [2018-11-18 13:54:51,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2213 to 2124. [2018-11-18 13:54:51,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2124 states. [2018-11-18 13:54:51,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 2124 states and 2494 transitions. [2018-11-18 13:54:51,008 INFO L78 Accepts]: Start accepts. Automaton has 2124 states and 2494 transitions. Word has length 208 [2018-11-18 13:54:51,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:54:51,008 INFO L480 AbstractCegarLoop]: Abstraction has 2124 states and 2494 transitions. [2018-11-18 13:54:51,008 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-11-18 13:54:51,009 INFO L276 IsEmpty]: Start isEmpty. Operand 2124 states and 2494 transitions. [2018-11-18 13:54:51,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-11-18 13:54:51,011 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 13:54:51,012 INFO L375 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 13:54:51,012 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 13:54:51,012 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:54:51,012 INFO L82 PathProgramCache]: Analyzing trace with hash -1013609240, now seen corresponding path program 1 times [2018-11-18 13:54:51,012 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 13:54:51,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:51,013 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 13:54:51,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 13:54:51,013 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 13:54:51,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:54:51,108 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 105 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 13:54:51,109 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 13:54:51,109 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 13:54:51,109 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 13:54:51,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 13:54:51,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 13:54:51,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 13:54:51,110 INFO L87 Difference]: Start difference. First operand 2124 states and 2494 transitions. Second operand 4 states. [2018-11-18 13:54:51,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 13:54:51,498 INFO L93 Difference]: Finished difference Result 4227 states and 5020 transitions. [2018-11-18 13:54:51,499 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 13:54:51,499 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 234 [2018-11-18 13:54:51,500 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 13:54:51,500 INFO L225 Difference]: With dead ends: 4227 [2018-11-18 13:54:51,500 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 13:54:51,506 INFO L604 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 [2018-11-18 13:54:51,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 13:54:51,506 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 13:54:51,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 13:54:51,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 13:54:51,507 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 234 [2018-11-18 13:54:51,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 13:54:51,507 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 13:54:51,507 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 13:54:51,507 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 13:54:51,507 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:54:51,511 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 13:54:51,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,646 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,697 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,724 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,733 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,746 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:51,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 13:54:52,393 WARN L180 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 84 [2018-11-18 13:54:52,559 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 67 [2018-11-18 13:54:52,911 WARN L180 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 60 [2018-11-18 13:54:52,913 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:54:52,913 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a19~0)| ~a19~0) (= ~a11~0 |old(~a11~0)|) (= |old(~a17~0)| ~a17~0) (= |old(~a25~0)| ~a25~0) (= ~a28~0 |old(~a28~0)|)) [2018-11-18 13:54:52,913 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:54:52,913 INFO L425 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,913 INFO L425 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,913 INFO L425 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,913 INFO L425 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,914 INFO L425 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,914 INFO L425 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-18 13:54:52,914 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-18 13:54:52,914 INFO L425 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-18 13:54:52,914 INFO L425 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-18 13:54:52,914 INFO L425 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-18 13:54:52,914 INFO L425 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-18 13:54:52,914 INFO L425 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-18 13:54:52,914 INFO L425 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-18 13:54:52,914 INFO L425 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-18 13:54:52,914 INFO L425 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-18 13:54:52,914 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-18 13:54:52,914 INFO L425 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-18 13:54:52,914 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-18 13:54:52,914 INFO L425 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,915 INFO L425 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,915 INFO L425 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,915 INFO L425 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,915 INFO L425 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-18 13:54:52,915 INFO L425 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,915 INFO L425 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-18 13:54:52,915 INFO L425 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-18 13:54:52,915 INFO L425 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-18 13:54:52,915 INFO L425 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-18 13:54:52,915 INFO L425 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-18 13:54:52,915 INFO L425 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-18 13:54:52,915 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-18 13:54:52,915 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-18 13:54:52,915 INFO L425 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-18 13:54:52,915 INFO L425 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-18 13:54:52,915 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-18 13:54:52,916 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-18 13:54:52,916 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-18 13:54:52,916 INFO L425 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-18 13:54:52,916 INFO L425 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-18 13:54:52,916 INFO L425 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,916 INFO L425 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,916 INFO L425 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,916 INFO L425 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,916 INFO L425 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,916 INFO L425 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-18 13:54:52,916 INFO L425 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-18 13:54:52,916 INFO L425 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-18 13:54:52,916 INFO L425 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-18 13:54:52,916 INFO L425 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-18 13:54:52,916 INFO L425 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-18 13:54:52,916 INFO L425 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-18 13:54:52,917 INFO L425 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-18 13:54:52,917 INFO L425 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-18 13:54:52,917 INFO L425 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-18 13:54:52,917 INFO L425 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-18 13:54:52,917 INFO L425 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,917 INFO L425 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,917 INFO L425 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,917 INFO L425 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,917 INFO L425 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,917 INFO L425 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-18 13:54:52,917 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-18 13:54:52,917 INFO L425 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-18 13:54:52,917 INFO L425 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-18 13:54:52,917 INFO L425 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-18 13:54:52,917 INFO L425 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-18 13:54:52,917 INFO L425 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-18 13:54:52,918 INFO L425 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-18 13:54:52,918 INFO L425 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-18 13:54:52,918 INFO L425 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-18 13:54:52,918 INFO L425 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-18 13:54:52,918 INFO L425 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-18 13:54:52,918 INFO L425 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-18 13:54:52,918 INFO L425 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,918 INFO L425 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,918 INFO L425 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,918 INFO L425 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,918 INFO L425 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,918 INFO L425 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-18 13:54:52,918 INFO L425 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-18 13:54:52,918 INFO L425 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-18 13:54:52,918 INFO L425 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-18 13:54:52,918 INFO L425 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-18 13:54:52,919 INFO L425 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-18 13:54:52,919 INFO L425 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-18 13:54:52,919 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-18 13:54:52,919 INFO L425 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-18 13:54:52,919 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-18 13:54:52,919 INFO L425 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-18 13:54:52,919 INFO L425 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-18 13:54:52,919 INFO L425 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-18 13:54:52,919 INFO L425 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-18 13:54:52,919 INFO L425 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-18 13:54:52,919 INFO L425 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-18 13:54:52,919 INFO L425 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,919 INFO L425 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,919 INFO L425 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,919 INFO L425 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,919 INFO L425 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-18 13:54:52,920 INFO L425 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,920 INFO L425 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-18 13:54:52,920 INFO L425 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,920 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-18 13:54:52,920 INFO L425 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-18 13:54:52,920 INFO L425 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-18 13:54:52,920 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,920 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,920 INFO L425 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-18 13:54:52,920 INFO L425 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-18 13:54:52,920 INFO L425 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-18 13:54:52,920 INFO L425 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-18 13:54:52,920 INFO L425 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-18 13:54:52,920 INFO L425 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-18 13:54:52,920 INFO L425 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-18 13:54:52,920 INFO L425 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-18 13:54:52,921 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-18 13:54:52,921 INFO L425 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-18 13:54:52,921 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-18 13:54:52,921 INFO L425 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,921 INFO L425 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,921 INFO L425 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,921 INFO L425 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,921 INFO L425 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,921 INFO L425 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,921 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-18 13:54:52,921 INFO L425 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-18 13:54:52,921 INFO L425 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-18 13:54:52,921 INFO L425 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-18 13:54:52,921 INFO L425 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-18 13:54:52,922 INFO L425 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-18 13:54:52,922 INFO L425 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-18 13:54:52,922 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-18 13:54:52,922 INFO L425 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-18 13:54:52,922 INFO L425 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-18 13:54:52,922 INFO L425 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-18 13:54:52,922 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 529) no Hoare annotation was computed. [2018-11-18 13:54:52,922 INFO L425 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,922 INFO L425 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,922 INFO L425 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,922 INFO L425 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,922 INFO L425 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,922 INFO L425 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,922 INFO L425 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-18 13:54:52,922 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-18 13:54:52,923 INFO L425 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-18 13:54:52,923 INFO L425 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-18 13:54:52,923 INFO L425 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-18 13:54:52,923 INFO L425 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-18 13:54:52,923 INFO L425 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-18 13:54:52,923 INFO L425 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-18 13:54:52,923 INFO L425 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-18 13:54:52,923 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-18 13:54:52,923 INFO L425 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-18 13:54:52,923 INFO L425 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-18 13:54:52,923 INFO L425 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-18 13:54:52,923 INFO L425 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-18 13:54:52,923 INFO L425 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,923 INFO L425 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,923 INFO L425 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,924 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse14 (= |old(~a19~0)| ~a19~0)) (.cse19 (= 1 ~a11~0)) (.cse16 (= |old(~a17~0)| ~a17~0)) (.cse17 (= |old(~a25~0)| ~a25~0)) (.cse18 (= ~a28~0 |old(~a28~0)|)) (.cse13 (= 1 |old(~a11~0)|)) (.cse4 (not (= 1 ~a21~0))) (.cse5 (= 0 |old(~a17~0)|)) (.cse8 (not (= 1 |old(~a19~0)|)))) (let ((.cse1 (< 8 |old(~a17~0)|)) (.cse0 (= 7 |old(~a17~0)|)) (.cse25 (or .cse4 (not (= 7 |old(~a28~0)|)) .cse5 .cse8)) (.cse6 (not (= ~a28~0 0))) (.cse7 (not (= ~a17~0 0))) (.cse9 (= 0 |old(~a28~0)|)) (.cse24 (= |old(~a11~0)| |old(~a19~0)|)) (.cse2 (not .cse13)) (.cse3 (and .cse14 .cse19 .cse16 .cse17 .cse18)) (.cse20 (= ~a17~0 8)) (.cse21 (= ~a19~0 1)) (.cse22 (not (= 8 |old(~a17~0)|))) (.cse10 (= |calculate_output_#in~input| 0)) (.cse11 (< 7 |old(~a17~0)|)) (.cse12 (= 1 |old(~a25~0)|)) (.cse23 (<= ~a17~0 |old(~a17~0)|)) (.cse15 (= ~a11~0 |old(~a11~0)|))) (and (or .cse0 (= 8 |old(~a28~0)|) .cse1 .cse2 .cse3) (or .cse4 .cse5 (and .cse6 .cse7) .cse8 .cse9 .cse10 .cse11 .cse12) (or .cse13 (and .cse14 .cse15 .cse16 .cse17 .cse18) .cse0 .cse1 (= 11 |old(~a28~0)|)) (or .cse4 .cse8 .cse9 (and .cse6 .cse19 .cse20 .cse17 .cse21) .cse22 .cse10 .cse2) (or (and .cse23 .cse14 (not (= ~a17~0 7)) .cse19 .cse17) .cse0 .cse24 .cse2) (or (and (<= ~a17~0 7) .cse19 .cse17 .cse7) .cse10 .cse25 .cse2 .cse11) (or (and .cse21 (= ~a28~0 7)) .cse10 .cse25 .cse11) (or .cse4 .cse5 (and .cse23 .cse15 .cse6 .cse17 .cse21 .cse7) .cse8 .cse9 .cse24 .cse10 .cse11) (or .cse24 (not (= 9 |old(~a28~0)|)) .cse2 .cse11 .cse3) (or .cse4 (< |old(~a28~0)| 11) .cse8 (and .cse15 .cse17 .cse20 .cse21 .cse18) .cse22 .cse10) (or .cse11 .cse12 (and .cse23 .cse14 .cse15 .cse17))))) [2018-11-18 13:54:52,924 INFO L425 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,924 INFO L425 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,924 INFO L425 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,924 INFO L425 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-18 13:54:52,924 INFO L425 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-18 13:54:52,924 INFO L425 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-18 13:54:52,924 INFO L425 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-18 13:54:52,924 INFO L425 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-18 13:54:52,924 INFO L425 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-18 13:54:52,924 INFO L425 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-18 13:54:52,925 INFO L425 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-18 13:54:52,925 INFO L425 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-18 13:54:52,925 INFO L425 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-18 13:54:52,925 INFO L425 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-18 13:54:52,925 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-18 13:54:52,925 INFO L425 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-18 13:54:52,925 INFO L425 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,925 INFO L425 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,925 INFO L425 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,925 INFO L425 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,925 INFO L425 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,925 INFO L425 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,925 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-18 13:54:52,925 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-18 13:54:52,925 INFO L425 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-18 13:54:52,925 INFO L425 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-18 13:54:52,926 INFO L425 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-18 13:54:52,926 INFO L425 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-18 13:54:52,926 INFO L425 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-18 13:54:52,926 INFO L425 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-18 13:54:52,926 INFO L425 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-18 13:54:52,926 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-18 13:54:52,926 INFO L425 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-18 13:54:52,926 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-18 13:54:52,926 INFO L425 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-18 13:54:52,926 INFO L425 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-18 13:54:52,926 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-18 13:54:52,926 INFO L425 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-18 13:54:52,926 INFO L425 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,926 INFO L425 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,926 INFO L425 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,926 INFO L425 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,927 INFO L425 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-18 13:54:52,927 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-18 13:54:52,927 INFO L425 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-18 13:54:52,927 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-18 13:54:52,927 INFO L425 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-18 13:54:52,927 INFO L425 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-18 13:54:52,927 INFO L425 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-18 13:54:52,927 INFO L425 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-18 13:54:52,927 INFO L425 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-18 13:54:52,927 INFO L425 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-18 13:54:52,927 INFO L425 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-18 13:54:52,927 INFO L425 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-18 13:54:52,927 INFO L425 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-18 13:54:52,927 INFO L425 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-18 13:54:52,927 INFO L425 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-18 13:54:52,927 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-18 13:54:52,928 INFO L425 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-18 13:54:52,928 INFO L425 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-18 13:54:52,928 INFO L425 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-18 13:54:52,928 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-18 13:54:52,928 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 13:54:52,928 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-18 13:54:52,928 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 13:54:52,928 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 13:54:52,928 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-11-18 13:54:52,928 INFO L425 ceAbstractionStarter]: For program point L606-1(lines 606 616) no Hoare annotation was computed. [2018-11-18 13:54:52,928 INFO L421 ceAbstractionStarter]: At program point L606-3(lines 606 616) the Hoare annotation is: (let ((.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse1 (= |old(~a17~0)| ~a17~0)) (.cse2 (= 1 ~a11~0)) (.cse4 (<= ~a17~0 7)) (.cse3 (= ~a19~0 1)) (.cse6 (not (= ~a19~0 ~a11~0))) (.cse5 (not (= ~a17~0 0)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (not (= 11 ~a28~0)) .cse1) (not (= 0 |old(~a11~0)|)) (and .cse2 .cse1) (and .cse3 .cse0 .cse1) (not (= 0 |old(~a25~0)|)) (and .cse4 (not (= ~a25~0 1))) (and .cse4 (and .cse3 (= ~a28~0 7) .cse5)) (and .cse2 (= 9 ~a28~0) .cse6 (<= ~a17~0 8)) (and (<= ~a17~0 |old(~a17~0)|) (not (= ~a17~0 7)) .cse2 .cse6) (not (= 1 |old(~a19~0)|)) (and .cse4 (not (= ~a28~0 0)) .cse3 .cse6 .cse5) (not (= 8 |old(~a17~0)|)))) [2018-11-18 13:54:52,929 INFO L425 ceAbstractionStarter]: For program point L606-4(lines 600 617) no Hoare annotation was computed. [2018-11-18 13:54:52,929 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-18 13:54:52,929 INFO L421 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (= |old(~a17~0)| ~a17~0)) (.cse0 (= ~a11~0 |old(~a11~0)|)) (.cse7 (= ~a17~0 8)) (.cse6 (= 1 ~a11~0)) (.cse2 (not (= main_~input~0 0))) (.cse3 (<= ~a17~0 7)) (.cse4 (= ~a19~0 1)) (.cse8 (not (= ~a19~0 ~a11~0))) (.cse5 (not (= ~a17~0 0)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 (not (= 11 ~a28~0)) .cse1) (and .cse2 .cse3 (and .cse4 (= ~a28~0 7) .cse5)) (not (= 0 |old(~a11~0)|)) (and .cse6 .cse1 (not (= ~a28~0 8))) (and .cse2 .cse0 .cse7 .cse4) (not (= 0 |old(~a25~0)|)) (and .cse3 (not (= ~a25~0 1))) (and .cse6 (= 9 ~a28~0) .cse8 (<= ~a17~0 8)) (and .cse2 .cse6 .cse7) (and (<= ~a17~0 |old(~a17~0)|) (not (= ~a17~0 7)) .cse6 .cse8) (and .cse2 .cse3 (not (= ~a28~0 0)) .cse4 .cse8 .cse5) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)))) [2018-11-18 13:54:52,929 INFO L425 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-18 13:54:52,929 INFO L425 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-18 13:54:52,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 01:54:52 BoogieIcfgContainer [2018-11-18 13:54:52,939 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 13:54:52,939 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:54:52,939 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:54:52,939 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:54:52,940 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:54:27" (3/4) ... [2018-11-18 13:54:52,943 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:54:52,947 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 13:54:52,948 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 13:54:52,948 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 13:54:52,958 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 13:54:52,958 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 13:54:52,978 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(1 == a21) || !(7 == \old(a28))) || ((a11 == \old(a11) && !(11 == a28)) && \old(a17) == a17)) || !(0 == \old(a11))) || (1 == a11 && \old(a17) == a17)) || ((a19 == 1 && a11 == \old(a11)) && \old(a17) == a17)) || !(0 == \old(a25))) || (a17 <= 7 && !(a25 == 1))) || (a17 <= 7 && (a19 == 1 && a28 == 7) && !(a17 == 0))) || (((1 == a11 && 9 == a28) && !(a19 == a11)) && a17 <= 8)) || (((a17 <= \old(a17) && !(a17 == 7)) && 1 == a11) && !(a19 == a11))) || !(1 == \old(a19))) || ((((a17 <= 7 && !(a28 == 0)) && a19 == 1) && !(a19 == a11)) && !(a17 == 0))) || !(8 == \old(a17)) [2018-11-18 13:54:53,055 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_a959d04c-931c-4b77-8fd4-51907f6521a8/bin-2019/utaipan/witness.graphml [2018-11-18 13:54:53,055 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:54:53,056 INFO L168 Benchmark]: Toolchain (without parser) took 27644.76 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 957.0 MB in the beginning and 1.9 GB in the end (delta: -956.1 MB). Peak memory consumption was 177.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:54:53,057 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:54:53,057 INFO L168 Benchmark]: CACSL2BoogieTranslator took 406.57 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 922.1 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:54:53,057 INFO L168 Benchmark]: Boogie Procedure Inliner took 82.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 922.1 MB in the beginning and 1.1 GB in the end (delta: -214.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:54:53,057 INFO L168 Benchmark]: Boogie Preprocessor took 60.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2018-11-18 13:54:53,058 INFO L168 Benchmark]: RCFGBuilder took 1950.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.4 MB). Peak memory consumption was 101.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:54:53,058 INFO L168 Benchmark]: TraceAbstraction took 25024.49 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 993.0 MB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -922.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-11-18 13:54:53,058 INFO L168 Benchmark]: Witness Printer took 116.62 ms. Allocated memory is still 2.2 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. [2018-11-18 13:54:53,060 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 406.57 ms. Allocated memory is still 1.0 GB. Free memory was 957.0 MB in the beginning and 922.1 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 82.11 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 922.1 MB in the beginning and 1.1 GB in the end (delta: -214.6 MB). Peak memory consumption was 17.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 60.20 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1950.55 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 101.4 MB). Peak memory consumption was 101.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 25024.49 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 993.0 MB). Free memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: -922.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 116.62 ms. Allocated memory is still 2.2 GB. Free memory was 1.9 GB in the beginning and 1.9 GB in the end (delta: 36.8 MB). Peak memory consumption was 36.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 529]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((((!(1 == a21) || !(7 == \old(a28))) || ((a11 == \old(a11) && !(11 == a28)) && \old(a17) == a17)) || !(0 == \old(a11))) || (1 == a11 && \old(a17) == a17)) || ((a19 == 1 && a11 == \old(a11)) && \old(a17) == a17)) || !(0 == \old(a25))) || (a17 <= 7 && !(a25 == 1))) || (a17 <= 7 && (a19 == 1 && a28 == 7) && !(a17 == 0))) || (((1 == a11 && 9 == a28) && !(a19 == a11)) && a17 <= 8)) || (((a17 <= \old(a17) && !(a17 == 7)) && 1 == a11) && !(a19 == a11))) || !(1 == \old(a19))) || ((((a17 <= 7 && !(a28 == 0)) && a19 == 1) && !(a19 == a11)) && !(a17 == 0))) || !(8 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 237 locations, 1 error locations. SAFE Result, 24.9s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 18.5s AutomataDifference, 0.0s DeadEndRemovalTime, 1.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 1259 SDtfs, 8057 SDslu, 2106 SDs, 0 SdLazy, 11664 SolverSat, 2590 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.4s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1423 GetRequests, 1299 SyntacticMatches, 7 SemanticMatches, 117 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 546 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=5345occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.6s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9969566938831392 AbsIntWeakeningRatio, 0.2182952182952183 AbsIntAvgWeakeningVarsNumRemoved, 25.07900207900208 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 9 MinimizatonAttempts, 465 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 130 PreInvPairs, 192 NumberOfFragments, 724 HoareAnnotationTreeSize, 130 FomulaSimplifications, 9140 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3489 FormulaSimplificationTreeSizeReductionInter, 1.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 1939 NumberOfCodeBlocks, 1939 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2328 ConstructedInterpolants, 0 QuantifiedInterpolants, 840905 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1006 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 13 InterpolantComputations, 4 PerfectInterpolantSequences, 921/1028 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...