./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label11_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_0de549fe-45d5-4bcc-98e4-db79f8e669d8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0de549fe-45d5-4bcc-98e4-db79f8e669d8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0de549fe-45d5-4bcc-98e4-db79f8e669d8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0de549fe-45d5-4bcc-98e4-db79f8e669d8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label11_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0de549fe-45d5-4bcc-98e4-db79f8e669d8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0de549fe-45d5-4bcc-98e4-db79f8e669d8/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 e09138f51265758a55ca4b42a17e715ba685a263 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 12:34:33,807 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:34:33,808 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:34:33,820 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:34:33,820 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:34:33,821 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:34:33,822 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:34:33,824 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:34:33,825 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:34:33,826 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:34:33,827 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:34:33,827 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:34:33,828 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:34:33,828 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:34:33,830 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:34:33,830 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:34:33,831 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:34:33,832 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:34:33,834 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:34:33,835 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:34:33,836 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:34:33,837 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:34:33,839 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:34:33,839 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:34:33,839 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:34:33,840 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:34:33,841 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:34:33,842 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:34:33,842 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:34:33,843 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:34:33,843 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:34:33,844 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:34:33,844 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:34:33,844 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:34:33,845 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:34:33,846 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:34:33,846 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0de549fe-45d5-4bcc-98e4-db79f8e669d8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 12:34:33,857 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:34:33,857 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:34:33,858 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:34:33,858 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:34:33,858 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:34:33,858 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:34:33,858 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:34:33,858 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:34:33,859 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:34:33,859 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:34:33,859 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:34:33,859 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:34:33,859 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:34:33,860 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:34:33,860 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 12:34:33,860 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:34:33,860 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 12:34:33,860 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:34:33,860 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:34:33,861 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:34:33,862 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:34:33,863 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 12:34:33,863 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:34:33,863 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:34:33,863 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:34:33,863 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:34:33,863 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:34:33,863 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:34:33,864 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:34:33,864 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:34:33,864 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:34:33,864 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:34:33,864 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:34:33,864 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:34:33,864 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:34:33,865 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:34:33,865 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:34:33,865 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_0de549fe-45d5-4bcc-98e4-db79f8e669d8/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 -> e09138f51265758a55ca4b42a17e715ba685a263 [2018-11-18 12:34:33,893 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:34:33,902 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:34:33,905 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:34:33,906 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:34:33,906 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:34:33,907 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0de549fe-45d5-4bcc-98e4-db79f8e669d8/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label11_true-unreach-call_false-termination.c [2018-11-18 12:34:33,959 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0de549fe-45d5-4bcc-98e4-db79f8e669d8/bin-2019/utaipan/data/b4059eb91/d5f731a76c0e4bfaa95f135723c679d6/FLAGc4a7dc6f9 [2018-11-18 12:34:34,361 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:34:34,361 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0de549fe-45d5-4bcc-98e4-db79f8e669d8/sv-benchmarks/c/eca-rers2012/Problem01_label11_true-unreach-call_false-termination.c [2018-11-18 12:34:34,372 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0de549fe-45d5-4bcc-98e4-db79f8e669d8/bin-2019/utaipan/data/b4059eb91/d5f731a76c0e4bfaa95f135723c679d6/FLAGc4a7dc6f9 [2018-11-18 12:34:34,385 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0de549fe-45d5-4bcc-98e4-db79f8e669d8/bin-2019/utaipan/data/b4059eb91/d5f731a76c0e4bfaa95f135723c679d6 [2018-11-18 12:34:34,393 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:34:34,394 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:34:34,395 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:34:34,395 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:34:34,399 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:34:34,399 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:34:34" (1/1) ... [2018-11-18 12:34:34,401 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5117e269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:34, skipping insertion in model container [2018-11-18 12:34:34,401 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:34:34" (1/1) ... [2018-11-18 12:34:34,408 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:34:34,450 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:34:34,765 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:34:34,769 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:34:34,839 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:34:34,852 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:34:34,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:34 WrapperNode [2018-11-18 12:34:34,853 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:34:34,854 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:34:34,854 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:34:34,854 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:34:34,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:34" (1/1) ... [2018-11-18 12:34:34,953 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:34" (1/1) ... [2018-11-18 12:34:34,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:34:34,964 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:34:34,964 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:34:34,964 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:34:34,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:34" (1/1) ... [2018-11-18 12:34:34,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:34" (1/1) ... [2018-11-18 12:34:34,975 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:34" (1/1) ... [2018-11-18 12:34:34,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:34" (1/1) ... [2018-11-18 12:34:35,000 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:34" (1/1) ... [2018-11-18 12:34:35,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:34" (1/1) ... [2018-11-18 12:34:35,030 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:34" (1/1) ... [2018-11-18 12:34:35,035 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:34:35,035 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:34:35,035 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:34:35,035 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:34:35,036 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:34" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0de549fe-45d5-4bcc-98e4-db79f8e669d8/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 12:34:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 12:34:35,087 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:34:35,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:34:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 12:34:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 12:34:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:34:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:34:35,088 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:34:35,088 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:34:37,083 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:34:37,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:34:37 BoogieIcfgContainer [2018-11-18 12:34:37,084 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:34:37,084 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:34:37,084 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:34:37,087 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:34:37,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:34:34" (1/3) ... [2018-11-18 12:34:37,088 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17b09a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:34:37, skipping insertion in model container [2018-11-18 12:34:37,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:34:34" (2/3) ... [2018-11-18 12:34:37,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17b09a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:34:37, skipping insertion in model container [2018-11-18 12:34:37,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:34:37" (3/3) ... [2018-11-18 12:34:37,091 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label11_true-unreach-call_false-termination.c [2018-11-18 12:34:37,099 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:34:37,107 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 12:34:37,121 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 12:34:37,151 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:34:37,152 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:34:37,152 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:34:37,152 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:34:37,152 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:34:37,153 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:34:37,153 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:34:37,153 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:34:37,181 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 12:34:37,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 12:34:37,194 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:34:37,195 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] [2018-11-18 12:34:37,197 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:34:37,202 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:37,202 INFO L82 PathProgramCache]: Analyzing trace with hash -1894719720, now seen corresponding path program 1 times [2018-11-18 12:34:37,204 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:34:37,245 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:37,246 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:37,246 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:37,246 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:34:37,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:37,761 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 12:34:37,763 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:34:37,763 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:34:37,764 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:34:37,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:34:37,780 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:34:37,781 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:34:37,783 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-18 12:34:38,626 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:34:38,626 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-18 12:34:38,626 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:34:38,627 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 116 [2018-11-18 12:34:38,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:34:38,641 INFO L225 Difference]: With dead ends: 550 [2018-11-18 12:34:38,641 INFO L226 Difference]: Without dead ends: 340 [2018-11-18 12:34:38,646 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 12:34:38,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-18 12:34:38,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-18 12:34:38,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 12:34:38,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 562 transitions. [2018-11-18 12:34:38,712 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 562 transitions. Word has length 116 [2018-11-18 12:34:38,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:34:38,712 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 562 transitions. [2018-11-18 12:34:38,712 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:34:38,713 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 562 transitions. [2018-11-18 12:34:38,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 12:34:38,725 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:34:38,726 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:34:38,726 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:34:38,726 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:38,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1844932745, now seen corresponding path program 1 times [2018-11-18 12:34:38,726 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:34:38,727 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:38,727 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:38,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:38,728 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:34:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:38,894 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:34:38,894 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:34:38,895 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:34:38,895 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:34:38,896 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:34:38,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:34:38,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:34:38,897 INFO L87 Difference]: Start difference. First operand 340 states and 562 transitions. Second operand 6 states. [2018-11-18 12:34:39,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:34:39,889 INFO L93 Difference]: Finished difference Result 888 states and 1491 transitions. [2018-11-18 12:34:39,889 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:34:39,889 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 127 [2018-11-18 12:34:39,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:34:39,894 INFO L225 Difference]: With dead ends: 888 [2018-11-18 12:34:39,894 INFO L226 Difference]: Without dead ends: 554 [2018-11-18 12:34:39,898 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 12:34:39,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-11-18 12:34:39,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 539. [2018-11-18 12:34:39,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 539 states. [2018-11-18 12:34:39,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 539 states and 827 transitions. [2018-11-18 12:34:39,929 INFO L78 Accepts]: Start accepts. Automaton has 539 states and 827 transitions. Word has length 127 [2018-11-18 12:34:39,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:34:39,929 INFO L480 AbstractCegarLoop]: Abstraction has 539 states and 827 transitions. [2018-11-18 12:34:39,929 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:34:39,929 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 827 transitions. [2018-11-18 12:34:39,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-18 12:34:39,933 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:34:39,933 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 12:34:39,933 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:34:39,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:39,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1950525493, now seen corresponding path program 1 times [2018-11-18 12:34:39,934 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:34:39,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:39,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:39,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:39,935 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:34:39,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:40,337 WARN L180 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-11-18 12:34:40,524 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:34:40,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:34:40,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:34:40,524 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:34:40,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:34:40,525 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:34:40,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:34:40,526 INFO L87 Difference]: Start difference. First operand 539 states and 827 transitions. Second operand 5 states. [2018-11-18 12:34:41,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:34:41,650 INFO L93 Difference]: Finished difference Result 1210 states and 1896 transitions. [2018-11-18 12:34:41,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:34:41,652 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 128 [2018-11-18 12:34:41,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:34:41,655 INFO L225 Difference]: With dead ends: 1210 [2018-11-18 12:34:41,655 INFO L226 Difference]: Without dead ends: 536 [2018-11-18 12:34:41,657 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:34:41,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2018-11-18 12:34:41,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 536. [2018-11-18 12:34:41,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 536 states. [2018-11-18 12:34:41,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 536 states to 536 states and 787 transitions. [2018-11-18 12:34:41,675 INFO L78 Accepts]: Start accepts. Automaton has 536 states and 787 transitions. Word has length 128 [2018-11-18 12:34:41,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:34:41,675 INFO L480 AbstractCegarLoop]: Abstraction has 536 states and 787 transitions. [2018-11-18 12:34:41,675 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:34:41,675 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 787 transitions. [2018-11-18 12:34:41,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 12:34:41,677 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:34:41,678 INFO L375 BasicCegarLoop]: trace histogram [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 12:34:41,678 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:34:41,678 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:41,678 INFO L82 PathProgramCache]: Analyzing trace with hash -1220128141, now seen corresponding path program 1 times [2018-11-18 12:34:41,678 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:34:41,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:41,679 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:41,679 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:41,679 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:34:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:42,069 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2018-11-18 12:34:42,139 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:34:42,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:34:42,140 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 12:34:42,140 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:34:42,140 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 12:34:42,140 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 12:34:42,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:34:42,141 INFO L87 Difference]: Start difference. First operand 536 states and 787 transitions. Second operand 5 states. [2018-11-18 12:34:43,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:34:43,707 INFO L93 Difference]: Finished difference Result 1204 states and 1799 transitions. [2018-11-18 12:34:43,708 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 12:34:43,708 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 129 [2018-11-18 12:34:43,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:34:43,710 INFO L225 Difference]: With dead ends: 1204 [2018-11-18 12:34:43,710 INFO L226 Difference]: Without dead ends: 535 [2018-11-18 12:34:43,711 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-18 12:34:43,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2018-11-18 12:34:43,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 535. [2018-11-18 12:34:43,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 535 states. [2018-11-18 12:34:43,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 535 states and 782 transitions. [2018-11-18 12:34:43,724 INFO L78 Accepts]: Start accepts. Automaton has 535 states and 782 transitions. Word has length 129 [2018-11-18 12:34:43,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:34:43,724 INFO L480 AbstractCegarLoop]: Abstraction has 535 states and 782 transitions. [2018-11-18 12:34:43,724 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 12:34:43,724 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 782 transitions. [2018-11-18 12:34:43,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 12:34:43,727 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:34:43,727 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 12:34:43,727 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:34:43,728 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:43,728 INFO L82 PathProgramCache]: Analyzing trace with hash 1858048063, now seen corresponding path program 1 times [2018-11-18 12:34:43,728 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:34:43,729 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:43,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:43,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:43,730 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:34:43,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:43,966 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:34:43,967 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:34:43,967 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 12:34:43,967 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:34:43,967 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:34:43,968 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:34:43,968 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 12:34:43,968 INFO L87 Difference]: Start difference. First operand 535 states and 782 transitions. Second operand 3 states. [2018-11-18 12:34:44,416 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:34:44,417 INFO L93 Difference]: Finished difference Result 1521 states and 2300 transitions. [2018-11-18 12:34:44,421 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:34:44,421 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2018-11-18 12:34:44,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:34:44,426 INFO L225 Difference]: With dead ends: 1521 [2018-11-18 12:34:44,426 INFO L226 Difference]: Without dead ends: 992 [2018-11-18 12:34:44,428 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 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 12:34:44,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 992 states. [2018-11-18 12:34:44,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 992 to 992. [2018-11-18 12:34:44,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 992 states. [2018-11-18 12:34:44,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 992 states to 992 states and 1411 transitions. [2018-11-18 12:34:44,452 INFO L78 Accepts]: Start accepts. Automaton has 992 states and 1411 transitions. Word has length 134 [2018-11-18 12:34:44,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:34:44,453 INFO L480 AbstractCegarLoop]: Abstraction has 992 states and 1411 transitions. [2018-11-18 12:34:44,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:34:44,454 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1411 transitions. [2018-11-18 12:34:44,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 12:34:44,457 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:34:44,457 INFO L375 BasicCegarLoop]: trace histogram [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] [2018-11-18 12:34:44,458 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:34:44,458 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:44,458 INFO L82 PathProgramCache]: Analyzing trace with hash -865633433, now seen corresponding path program 1 times [2018-11-18 12:34:44,458 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:34:44,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:44,459 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:44,459 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:44,459 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:34:44,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:44,622 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 11 DAG size of output: 4 [2018-11-18 12:34:44,645 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:34:44,646 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 12:34:44,646 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 12:34:44,646 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:34:44,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:34:44,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:34:44,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:34:44,647 INFO L87 Difference]: Start difference. First operand 992 states and 1411 transitions. Second operand 6 states. [2018-11-18 12:34:45,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:34:45,157 INFO L93 Difference]: Finished difference Result 2947 states and 4374 transitions. [2018-11-18 12:34:45,158 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 12:34:45,159 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-11-18 12:34:45,159 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:34:45,166 INFO L225 Difference]: With dead ends: 2947 [2018-11-18 12:34:45,167 INFO L226 Difference]: Without dead ends: 1961 [2018-11-18 12:34:45,172 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 12:34:45,174 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1961 states. [2018-11-18 12:34:45,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1961 to 1928. [2018-11-18 12:34:45,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1928 states. [2018-11-18 12:34:45,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1928 states and 2554 transitions. [2018-11-18 12:34:45,219 INFO L78 Accepts]: Start accepts. Automaton has 1928 states and 2554 transitions. Word has length 135 [2018-11-18 12:34:45,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:34:45,219 INFO L480 AbstractCegarLoop]: Abstraction has 1928 states and 2554 transitions. [2018-11-18 12:34:45,220 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:34:45,220 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 2554 transitions. [2018-11-18 12:34:45,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-18 12:34:45,225 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:34:45,226 INFO L375 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:34:45,226 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:34:45,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:45,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1578661412, now seen corresponding path program 1 times [2018-11-18 12:34:45,226 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:34:45,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:45,227 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:45,227 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:45,227 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:34:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:45,335 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 43 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 12:34:45,335 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:34:45,335 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:34:45,336 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 152 with the following transitions: [2018-11-18 12:34:45,337 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [45], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [565], [567], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:34:45,378 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:34:45,378 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:34:45,794 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:34:45,796 INFO L272 AbstractInterpreter]: Visited 117 different actions 117 times. Never merged. Never widened. Performed 1543 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1543 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 42 variables. [2018-11-18 12:34:45,821 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:45,821 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:34:46,137 INFO L227 lantSequenceWeakener]: Weakened 142 states. On average, predicates are now at 80.44% of their original sizes. [2018-11-18 12:34:46,137 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:34:46,408 INFO L415 sIntCurrentIteration]: We unified 150 AI predicates to 150 [2018-11-18 12:34:46,408 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:34:46,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:34:46,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 12:34:46,410 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:34:46,411 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 12:34:46,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 12:34:46,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 12:34:46,411 INFO L87 Difference]: Start difference. First operand 1928 states and 2554 transitions. Second operand 6 states. [2018-11-18 12:34:50,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:34:50,081 INFO L93 Difference]: Finished difference Result 3988 states and 5280 transitions. [2018-11-18 12:34:50,081 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 12:34:50,081 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 151 [2018-11-18 12:34:50,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:34:50,086 INFO L225 Difference]: With dead ends: 3988 [2018-11-18 12:34:50,086 INFO L226 Difference]: Without dead ends: 2066 [2018-11-18 12:34:50,090 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 151 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 12:34:50,091 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2066 states. [2018-11-18 12:34:50,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2066 to 2064. [2018-11-18 12:34:50,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2064 states. [2018-11-18 12:34:50,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2064 states to 2064 states and 2696 transitions. [2018-11-18 12:34:50,133 INFO L78 Accepts]: Start accepts. Automaton has 2064 states and 2696 transitions. Word has length 151 [2018-11-18 12:34:50,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:34:50,134 INFO L480 AbstractCegarLoop]: Abstraction has 2064 states and 2696 transitions. [2018-11-18 12:34:50,134 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 12:34:50,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2064 states and 2696 transitions. [2018-11-18 12:34:50,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 12:34:50,140 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:34:50,140 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:34:50,142 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:34:50,142 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:50,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1993472409, now seen corresponding path program 1 times [2018-11-18 12:34:50,142 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:34:50,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:50,143 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:50,143 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:50,143 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:34:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:50,332 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 47 proven. 15 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 12:34:50,333 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:34:50,333 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:34:50,333 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 161 with the following transitions: [2018-11-18 12:34:50,333 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [45], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [565], [567], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:34:50,338 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:34:50,338 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:34:50,654 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:34:50,654 INFO L272 AbstractInterpreter]: Visited 121 different actions 236 times. Merged at 5 different actions 5 times. Never widened. Performed 3083 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3083 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 12:34:50,693 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:50,693 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:34:50,937 INFO L227 lantSequenceWeakener]: Weakened 157 states. On average, predicates are now at 81.84% of their original sizes. [2018-11-18 12:34:50,938 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:34:51,704 INFO L415 sIntCurrentIteration]: We unified 159 AI predicates to 159 [2018-11-18 12:34:51,704 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:34:51,705 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:34:51,705 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 12:34:51,705 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:34:51,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:34:51,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:34:51,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:34:51,706 INFO L87 Difference]: Start difference. First operand 2064 states and 2696 transitions. Second operand 10 states. [2018-11-18 12:34:55,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:34:55,641 INFO L93 Difference]: Finished difference Result 4127 states and 5425 transitions. [2018-11-18 12:34:55,641 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 12:34:55,641 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 160 [2018-11-18 12:34:55,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:34:55,647 INFO L225 Difference]: With dead ends: 4127 [2018-11-18 12:34:55,647 INFO L226 Difference]: Without dead ends: 2205 [2018-11-18 12:34:55,652 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 167 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 12:34:55,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2205 states. [2018-11-18 12:34:55,694 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2205 to 2202. [2018-11-18 12:34:55,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2202 states. [2018-11-18 12:34:55,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2202 states to 2202 states and 2844 transitions. [2018-11-18 12:34:55,700 INFO L78 Accepts]: Start accepts. Automaton has 2202 states and 2844 transitions. Word has length 160 [2018-11-18 12:34:55,700 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:34:55,700 INFO L480 AbstractCegarLoop]: Abstraction has 2202 states and 2844 transitions. [2018-11-18 12:34:55,700 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:34:55,700 INFO L276 IsEmpty]: Start isEmpty. Operand 2202 states and 2844 transitions. [2018-11-18 12:34:55,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-11-18 12:34:55,707 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:34:55,708 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:55,708 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:34:55,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:55,708 INFO L82 PathProgramCache]: Analyzing trace with hash 1610890117, now seen corresponding path program 1 times [2018-11-18 12:34:55,708 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:34:55,710 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:55,710 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:55,711 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:55,711 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:34:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:55,879 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 87 proven. 15 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 12:34:55,879 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:34:55,879 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:34:55,880 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 194 with the following transitions: [2018-11-18 12:34:55,880 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [45], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [565], [567], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:34:55,883 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:34:55,883 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:34:56,056 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:34:56,056 INFO L272 AbstractInterpreter]: Visited 121 different actions 236 times. Merged at 5 different actions 5 times. Never widened. Performed 3143 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3143 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 12:34:56,061 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:56,061 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:34:56,292 INFO L227 lantSequenceWeakener]: Weakened 190 states. On average, predicates are now at 81.8% of their original sizes. [2018-11-18 12:34:56,292 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:34:56,582 INFO L415 sIntCurrentIteration]: We unified 192 AI predicates to 192 [2018-11-18 12:34:56,583 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:34:56,583 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:34:56,583 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-18 12:34:56,583 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:34:56,583 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 12:34:56,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 12:34:56,584 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:34:56,584 INFO L87 Difference]: Start difference. First operand 2202 states and 2844 transitions. Second operand 10 states. [2018-11-18 12:34:59,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:34:59,243 INFO L93 Difference]: Finished difference Result 4541 states and 5909 transitions. [2018-11-18 12:34:59,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-18 12:34:59,243 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 193 [2018-11-18 12:34:59,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:34:59,248 INFO L225 Difference]: With dead ends: 4541 [2018-11-18 12:34:59,248 INFO L226 Difference]: Without dead ends: 2619 [2018-11-18 12:34:59,251 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 201 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-11-18 12:34:59,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2619 states. [2018-11-18 12:34:59,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2619 to 2616. [2018-11-18 12:34:59,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2616 states. [2018-11-18 12:34:59,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2616 states and 3280 transitions. [2018-11-18 12:34:59,301 INFO L78 Accepts]: Start accepts. Automaton has 2616 states and 3280 transitions. Word has length 193 [2018-11-18 12:34:59,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:34:59,301 INFO L480 AbstractCegarLoop]: Abstraction has 2616 states and 3280 transitions. [2018-11-18 12:34:59,301 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:34:59,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2616 states and 3280 transitions. [2018-11-18 12:34:59,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-18 12:34:59,309 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:34:59,309 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:34:59,310 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:34:59,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:34:59,310 INFO L82 PathProgramCache]: Analyzing trace with hash 281194242, now seen corresponding path program 1 times [2018-11-18 12:34:59,310 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:34:59,310 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:59,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:34:59,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:34:59,311 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:34:59,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:34:59,820 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 85 proven. 39 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 12:34:59,820 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:34:59,820 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:34:59,820 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 203 with the following transitions: [2018-11-18 12:34:59,820 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [45], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [565], [567], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:34:59,823 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:34:59,823 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:35:00,112 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:35:00,112 INFO L272 AbstractInterpreter]: Visited 123 different actions 495 times. Merged at 9 different actions 39 times. Widened at 1 different actions 1 times. Performed 6913 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6913 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-11-18 12:35:00,121 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:00,122 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:35:00,122 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:35:00,122 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0de549fe-45d5-4bcc-98e4-db79f8e669d8/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 12:35:00,128 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:00,128 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:35:00,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:00,226 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:35:00,418 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 103 proven. 2 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-11-18 12:35:00,418 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:35:00,911 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 91 proven. 31 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 12:35:00,932 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:35:00,933 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-18 12:35:00,933 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:35:00,933 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-18 12:35:00,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-18 12:35:00,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-11-18 12:35:00,934 INFO L87 Difference]: Start difference. First operand 2616 states and 3280 transitions. Second operand 11 states. [2018-11-18 12:35:02,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:02,789 INFO L93 Difference]: Finished difference Result 8945 states and 12125 transitions. [2018-11-18 12:35:02,793 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 12:35:02,793 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 202 [2018-11-18 12:35:02,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:02,812 INFO L225 Difference]: With dead ends: 8945 [2018-11-18 12:35:02,813 INFO L226 Difference]: Without dead ends: 6885 [2018-11-18 12:35:02,820 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 427 GetRequests, 407 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-11-18 12:35:02,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6885 states. [2018-11-18 12:35:02,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6885 to 6812. [2018-11-18 12:35:02,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6812 states. [2018-11-18 12:35:02,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6812 states to 6812 states and 8588 transitions. [2018-11-18 12:35:02,964 INFO L78 Accepts]: Start accepts. Automaton has 6812 states and 8588 transitions. Word has length 202 [2018-11-18 12:35:02,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:02,964 INFO L480 AbstractCegarLoop]: Abstraction has 6812 states and 8588 transitions. [2018-11-18 12:35:02,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-18 12:35:02,964 INFO L276 IsEmpty]: Start isEmpty. Operand 6812 states and 8588 transitions. [2018-11-18 12:35:02,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-18 12:35:02,979 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:02,979 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:35:02,980 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:02,980 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:02,981 INFO L82 PathProgramCache]: Analyzing trace with hash 425931920, now seen corresponding path program 1 times [2018-11-18 12:35:02,981 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:35:02,982 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:35:02,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:02,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:35:02,983 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:35:03,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:03,311 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 131 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-18 12:35:03,311 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:35:03,311 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:35:03,311 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-11-18 12:35:03,311 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [45], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [565], [567], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:35:03,314 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:35:03,314 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:35:03,551 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:35:03,551 INFO L272 AbstractInterpreter]: Visited 122 different actions 358 times. Merged at 7 different actions 14 times. Never widened. Performed 4692 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4692 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-18 12:35:03,559 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:03,559 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:35:03,902 INFO L227 lantSequenceWeakener]: Weakened 208 states. On average, predicates are now at 83.58% of their original sizes. [2018-11-18 12:35:03,902 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:35:04,005 INFO L415 sIntCurrentIteration]: We unified 210 AI predicates to 210 [2018-11-18 12:35:04,005 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:35:04,005 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:35:04,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-18 12:35:04,005 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:35:04,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:35:04,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:35:04,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:35:04,006 INFO L87 Difference]: Start difference. First operand 6812 states and 8588 transitions. Second operand 9 states. [2018-11-18 12:35:05,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:05,778 INFO L93 Difference]: Finished difference Result 13623 states and 17295 transitions. [2018-11-18 12:35:05,778 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 12:35:05,778 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 211 [2018-11-18 12:35:05,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:05,797 INFO L225 Difference]: With dead ends: 13623 [2018-11-18 12:35:05,797 INFO L226 Difference]: Without dead ends: 7505 [2018-11-18 12:35:05,807 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 216 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=154, Unknown=0, NotChecked=0, Total=210 [2018-11-18 12:35:05,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7505 states. [2018-11-18 12:35:05,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7505 to 7500. [2018-11-18 12:35:05,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7500 states. [2018-11-18 12:35:05,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7500 states to 7500 states and 9359 transitions. [2018-11-18 12:35:05,941 INFO L78 Accepts]: Start accepts. Automaton has 7500 states and 9359 transitions. Word has length 211 [2018-11-18 12:35:05,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:05,942 INFO L480 AbstractCegarLoop]: Abstraction has 7500 states and 9359 transitions. [2018-11-18 12:35:05,942 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:35:05,942 INFO L276 IsEmpty]: Start isEmpty. Operand 7500 states and 9359 transitions. [2018-11-18 12:35:05,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-11-18 12:35:05,961 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:05,961 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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] [2018-11-18 12:35:05,961 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:05,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:05,962 INFO L82 PathProgramCache]: Analyzing trace with hash 1586568926, now seen corresponding path program 1 times [2018-11-18 12:35:05,962 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:35:05,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:35:05,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:05,962 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:35:05,962 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:35:05,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:06,192 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 157 proven. 2 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-18 12:35:06,193 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:35:06,193 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:35:06,193 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 228 with the following transitions: [2018-11-18 12:35:06,193 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [45], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [565], [567], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:35:06,195 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:35:06,195 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:35:06,597 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:35:06,597 INFO L272 AbstractInterpreter]: Visited 123 different actions 483 times. Merged at 9 different actions 27 times. Never widened. Performed 6920 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6920 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-18 12:35:06,602 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:06,602 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:35:06,602 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:35:06,602 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0de549fe-45d5-4bcc-98e4-db79f8e669d8/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 12:35:06,615 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:06,616 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:35:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:06,692 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:35:06,755 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 140 proven. 14 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 12:35:06,755 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:35:06,830 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 152 proven. 2 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 12:35:06,845 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:35:06,846 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2018-11-18 12:35:06,846 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:35:06,846 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 12:35:06,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 12:35:06,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:35:06,847 INFO L87 Difference]: Start difference. First operand 7500 states and 9359 transitions. Second operand 8 states. [2018-11-18 12:35:08,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:08,296 INFO L93 Difference]: Finished difference Result 14711 states and 18928 transitions. [2018-11-18 12:35:08,301 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 12:35:08,301 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 227 [2018-11-18 12:35:08,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:08,322 INFO L225 Difference]: With dead ends: 14711 [2018-11-18 12:35:08,322 INFO L226 Difference]: Without dead ends: 8593 [2018-11-18 12:35:08,334 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 487 GetRequests, 463 SyntacticMatches, 3 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=136, Invalid=370, Unknown=0, NotChecked=0, Total=506 [2018-11-18 12:35:08,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8593 states. [2018-11-18 12:35:08,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8593 to 7864. [2018-11-18 12:35:08,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7864 states. [2018-11-18 12:35:08,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7864 states to 7864 states and 9433 transitions. [2018-11-18 12:35:08,460 INFO L78 Accepts]: Start accepts. Automaton has 7864 states and 9433 transitions. Word has length 227 [2018-11-18 12:35:08,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:08,460 INFO L480 AbstractCegarLoop]: Abstraction has 7864 states and 9433 transitions. [2018-11-18 12:35:08,460 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 12:35:08,460 INFO L276 IsEmpty]: Start isEmpty. Operand 7864 states and 9433 transitions. [2018-11-18 12:35:08,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-11-18 12:35:08,476 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:35:08,476 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2018-11-18 12:35:08,476 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:35:08,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:08,478 INFO L82 PathProgramCache]: Analyzing trace with hash 395172502, now seen corresponding path program 1 times [2018-11-18 12:35:08,478 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:35:08,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:35:08,479 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:08,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:35:08,479 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:35:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:08,779 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 200 proven. 61 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 12:35:08,779 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:35:08,779 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:35:08,779 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 247 with the following transitions: [2018-11-18 12:35:08,780 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [45], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [105], [106], [109], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [565], [567], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 12:35:08,782 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:35:08,782 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:35:09,028 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:35:09,029 INFO L272 AbstractInterpreter]: Visited 123 different actions 481 times. Merged at 8 different actions 25 times. Never widened. Performed 6805 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6805 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 2 different actions. Largest state had 42 variables. [2018-11-18 12:35:09,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:35:09,041 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:35:09,041 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:35:09,041 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0de549fe-45d5-4bcc-98e4-db79f8e669d8/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:35:09,048 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:35:09,048 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:35:09,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:35:09,105 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:35:09,173 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 12:35:09,173 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:35:09,359 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 179 proven. 2 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 12:35:09,384 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:35:09,385 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-11-18 12:35:09,385 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:35:09,385 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-11-18 12:35:09,385 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-11-18 12:35:09,386 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2018-11-18 12:35:09,386 INFO L87 Difference]: Start difference. First operand 7864 states and 9433 transitions. Second operand 12 states. [2018-11-18 12:35:11,678 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:35:11,678 INFO L93 Difference]: Finished difference Result 14533 states and 18856 transitions. [2018-11-18 12:35:11,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-11-18 12:35:11,679 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 246 [2018-11-18 12:35:11,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:35:11,679 INFO L225 Difference]: With dead ends: 14533 [2018-11-18 12:35:11,679 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:35:11,710 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 561 GetRequests, 513 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 643 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=457, Invalid=1895, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 12:35:11,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:35:11,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:35:11,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:35:11,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:35:11,711 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 246 [2018-11-18 12:35:11,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:35:11,711 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:35:11,711 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-11-18 12:35:11,711 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:35:11,711 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:35:11,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:35:11,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:11,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:11,997 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,000 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,008 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,078 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,156 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,170 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,199 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,206 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,217 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,232 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,240 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,284 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,320 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,327 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,359 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,388 WARN L180 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 215 [2018-11-18 12:35:12,409 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,436 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:35:12,748 WARN L180 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 206 [2018-11-18 12:35:12,911 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2018-11-18 12:35:13,113 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 40 [2018-11-18 12:35:14,165 WARN L180 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 216 DAG size of output: 97 [2018-11-18 12:35:14,833 WARN L180 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 66 [2018-11-18 12:35:15,431 WARN L180 SmtUtils]: Spent 596.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 66 [2018-11-18 12:35:15,432 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:35:15,432 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= |old(~a7~0)| ~a7~0) (<= |old(~a8~0)| ~a8~0) (= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|)) [2018-11-18 12:35:15,432 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:35:15,433 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-18 12:35:15,433 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-18 12:35:15,433 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,433 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,433 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,433 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,433 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,433 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,433 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-18 12:35:15,433 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-18 12:35:15,433 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 12:35:15,433 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 12:35:15,433 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-18 12:35:15,434 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 12:35:15,434 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 12:35:15,434 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-18 12:35:15,434 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-18 12:35:15,434 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-18 12:35:15,434 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,434 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,434 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,434 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,434 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,434 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,434 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-18 12:35:15,434 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-18 12:35:15,434 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-18 12:35:15,434 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 12:35:15,434 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-18 12:35:15,435 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 12:35:15,435 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 12:35:15,435 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 12:35:15,435 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-18 12:35:15,435 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-18 12:35:15,435 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-18 12:35:15,435 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-18 12:35:15,435 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-18 12:35:15,435 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-18 12:35:15,435 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-18 12:35:15,435 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,435 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,435 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,435 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,435 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,435 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-18 12:35:15,436 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-18 12:35:15,436 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-18 12:35:15,436 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 12:35:15,436 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-18 12:35:15,436 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 12:35:15,436 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-18 12:35:15,436 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-18 12:35:15,436 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-18 12:35:15,436 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,436 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,436 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,436 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,436 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,436 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-18 12:35:15,436 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 12:35:15,436 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-18 12:35:15,437 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 12:35:15,437 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 12:35:15,441 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 12:35:15,441 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-18 12:35:15,441 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-18 12:35:15,441 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-18 12:35:15,441 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-18 12:35:15,441 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-18 12:35:15,441 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-18 12:35:15,441 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-18 12:35:15,441 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,441 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,442 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,442 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,442 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,442 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-18 12:35:15,442 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-18 12:35:15,442 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-18 12:35:15,442 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-18 12:35:15,442 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-18 12:35:15,442 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 12:35:15,442 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 12:35:15,442 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-18 12:35:15,442 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-18 12:35:15,442 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,442 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,442 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,443 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,443 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,443 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,443 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-18 12:35:15,443 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,443 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-18 12:35:15,443 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-18 12:35:15,443 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-18 12:35:15,443 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 12:35:15,443 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 12:35:15,443 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 12:35:15,443 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-18 12:35:15,443 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-18 12:35:15,443 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-18 12:35:15,443 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-18 12:35:15,444 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-18 12:35:15,444 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-18 12:35:15,444 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-18 12:35:15,444 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,444 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,444 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,444 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,444 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,444 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-18 12:35:15,444 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 12:35:15,444 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 12:35:15,444 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-18 12:35:15,444 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 12:35:15,444 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 12:35:15,444 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-18 12:35:15,444 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-18 12:35:15,445 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,445 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,445 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,445 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,445 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,445 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-18 12:35:15,445 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-18 12:35:15,445 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-18 12:35:15,445 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-18 12:35:15,445 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 503) no Hoare annotation was computed. [2018-11-18 12:35:15,445 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-18 12:35:15,445 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 12:35:15,445 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-18 12:35:15,446 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 12:35:15,446 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 12:35:15,446 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-18 12:35:15,446 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse6 (= 1 |old(~a17~0)|)) (.cse5 (= 4 |old(~a16~0)|))) (let ((.cse3 (< 0 |old(~a21~0)|)) (.cse1 (and (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= |old(~a7~0)| ~a7~0) (= ~a16~0 |old(~a16~0)|) (<= |old(~a8~0)| ~a8~0) (= ~a20~0 |old(~a20~0)|))) (.cse9 (< |old(~a8~0)| 14)) (.cse4 (< 0 |old(~a20~0)|)) (.cse12 (and (= ~a8~0 15) (= ~a21~0 1))) (.cse14 (= |calculate_output_#in~input| 0)) (.cse0 (= 6 |old(~a16~0)|)) (.cse10 (not (= 0 |old(~a7~0)|))) (.cse13 (not (= 15 |old(~a8~0)|))) (.cse11 (not (= 1 |old(~a21~0)|))) (.cse7 (= 1 |old(~a7~0)|)) (.cse15 (not (= 1 |old(~a20~0)|))) (.cse8 (not .cse5)) (.cse2 (not (= 8 ~a12~0))) (.cse17 (= 1 ~a20~0)) (.cse18 (= 13 ~a8~0)) (.cse19 (= |old(~a16~0)| ~a16~0)) (.cse20 (= 1 ~a21~0)) (.cse21 (= 1 ~a17~0)) (.cse22 (not (= 13 |old(~a8~0)|))) (.cse16 (not .cse6))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse1 .cse2 (< |old(~a20~0)| 1) .cse6 .cse3) (or .cse7 .cse8 .cse1 .cse2 .cse6) (or .cse0 .cse5 .cse9 .cse2 .cse6 .cse1) (or .cse10 .cse11 .cse12 .cse13 (not (= 5 |old(~a16~0)|)) .cse2 .cse14) (or .cse0 .cse7 .cse1 .cse9 .cse2) (or .cse1 (or .cse0 .cse15 .cse2 .cse3)) (or .cse7 .cse9 .cse2 .cse1 .cse4) (or .cse7 .cse1 .cse5 .cse15 .cse2 .cse16) (or .cse11 .cse15 .cse8 (and (= 1 ~a7~0) .cse17 .cse18 .cse19 .cse20 .cse21) .cse2 (not .cse7) .cse22 .cse16) (or .cse7 .cse9 .cse2 .cse6 .cse1) (or .cse0 .cse1 .cse9 .cse2 .cse6 .cse4) (or .cse12 (and (or .cse0 .cse10 .cse11 .cse15 .cse13 (= 0 |old(~a16~0)|) .cse2 .cse6 .cse14) (or .cse14 (or (not .cse0) .cse10 .cse11 .cse15 .cse13 (not (= 0 |old(~a17~0)|)) .cse2)))) (or .cse11 .cse7 .cse15 .cse8 .cse2 (and (not (= ~a7~0 1)) .cse17 .cse18 .cse19 .cse20 .cse21) .cse22 .cse16)))) [2018-11-18 12:35:15,446 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-18 12:35:15,446 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,446 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,446 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,446 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,446 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-18 12:35:15,447 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,447 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,447 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-18 12:35:15,447 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-18 12:35:15,447 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-18 12:35:15,447 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 12:35:15,447 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-18 12:35:15,447 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 12:35:15,447 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-18 12:35:15,447 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-18 12:35:15,447 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-18 12:35:15,447 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-18 12:35:15,447 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-18 12:35:15,447 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-18 12:35:15,447 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,448 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,448 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,448 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,448 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,448 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-18 12:35:15,448 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,448 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-18 12:35:15,448 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-18 12:35:15,448 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-18 12:35:15,448 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-18 12:35:15,448 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 12:35:15,448 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 12:35:15,448 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 12:35:15,448 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 12:35:15,448 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-18 12:35:15,449 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-18 12:35:15,449 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-18 12:35:15,449 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-18 12:35:15,449 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-18 12:35:15,449 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-18 12:35:15,449 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,449 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,449 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,449 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,449 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,449 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 12:35:15,449 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-18 12:35:15,449 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-18 12:35:15,449 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 12:35:15,449 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-18 12:35:15,450 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 12:35:15,450 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-18 12:35:15,450 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-18 12:35:15,450 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-18 12:35:15,450 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-18 12:35:15,450 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-18 12:35:15,450 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:35:15,450 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= 1 ~a17~0) (= ~a16~0 5)) [2018-11-18 12:35:15,450 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:35:15,450 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:35:15,450 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (and (= ~a8~0 15) (= ~a21~0 1) (= ~a17~0 |old(~a17~0)|) (= |old(~a7~0)| ~a7~0) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5))) [2018-11-18 12:35:15,450 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-18 12:35:15,451 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse1 (= ~a16~0 4))) (let ((.cse5 (<= ~a20~0 0)) (.cse3 (<= 14 ~a8~0)) (.cse2 (not (= ~a17~0 1))) (.cse0 (not (= ~a7~0 1))) (.cse6 (not .cse1)) (.cse7 (= 1 ~a17~0)) (.cse8 (<= ~a21~0 0)) (.cse9 (= |old(~a20~0)| ~a20~0)) (.cse4 (not (= ~a16~0 6)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (not (= 1 |old(~a20~0)|)) (and .cse3 .cse4 .cse2 .cse6) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse3 .cse5) (and (= 1 ~a20~0) (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) .cse7) (and .cse8 .cse2 (<= 1 ~a20~0) .cse6) (not (= 1 |old(~a21~0)|)) (and .cse0 .cse3 .cse4) (not (= 8 ~a12~0)) (and .cse8 .cse4 .cse5) (and .cse0 .cse3 .cse2) (and .cse0 .cse9 .cse6 .cse7) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse8 .cse9 .cse4)))) [2018-11-18 12:35:15,451 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 12:35:15,451 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-18 12:35:15,451 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-18 12:35:15,451 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse1 (= ~a16~0 4))) (let ((.cse5 (<= ~a20~0 0)) (.cse3 (<= 14 ~a8~0)) (.cse2 (not (= ~a17~0 1))) (.cse0 (not (= ~a7~0 1))) (.cse6 (not .cse1)) (.cse7 (= 1 ~a17~0)) (.cse8 (<= ~a21~0 0)) (.cse9 (= |old(~a20~0)| ~a20~0)) (.cse4 (not (= ~a16~0 6)))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse2 .cse5) (not (= 1 |old(~a20~0)|)) (and .cse3 .cse4 .cse2 .cse6) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse3 .cse5) (and (= 1 ~a20~0) (= 13 ~a8~0) (= 4 ~a16~0) (= 1 ~a21~0) .cse7) (and .cse8 .cse2 (<= 1 ~a20~0) .cse6) (not (= 1 |old(~a21~0)|)) (and .cse0 .cse3 .cse4) (not (= 8 ~a12~0)) (and .cse8 .cse4 .cse5) (and .cse0 .cse3 .cse2) (and .cse0 .cse9 .cse6 .cse7) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse8 .cse9 .cse4)))) [2018-11-18 12:35:15,451 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-18 12:35:15,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:35:15 BoogieIcfgContainer [2018-11-18 12:35:15,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:35:15,476 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:35:15,476 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:35:15,477 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:35:15,478 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:34:37" (3/4) ... [2018-11-18 12:35:15,487 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:35:15,494 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:35:15,494 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 12:35:15,495 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:35:15,506 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 12:35:15,506 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:35:15,536 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((!(a7 == 1) && a16 == 4) && !(a17 == 1)) || (((14 <= a8 && !(a16 == 6)) && !(a17 == 1)) && a20 <= 0)) || !(1 == \old(a20))) || (((14 <= a8 && !(a16 == 6)) && !(a17 == 1)) && !(a16 == 4))) || !(5 == \old(a16))) || ((!(a7 == 1) && 14 <= a8) && a20 <= 0)) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || (((a21 <= 0 && !(a17 == 1)) && 1 <= a20) && !(a16 == 4))) || !(1 == \old(a21))) || ((!(a7 == 1) && 14 <= a8) && !(a16 == 6))) || !(8 == a12)) || ((a21 <= 0 && !(a16 == 6)) && a20 <= 0)) || ((!(a7 == 1) && 14 <= a8) && !(a17 == 1))) || (((!(a7 == 1) && \old(a20) == a20) && !(a16 == 4)) && 1 == a17)) || !(0 == \old(a7))) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((a21 <= 0 && \old(a20) == a20) && !(a16 == 6)) [2018-11-18 12:35:15,646 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0de549fe-45d5-4bcc-98e4-db79f8e669d8/bin-2019/utaipan/witness.graphml [2018-11-18 12:35:15,647 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:35:15,647 INFO L168 Benchmark]: Toolchain (without parser) took 41253.79 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 1.0 GB). Free memory was 953.2 MB in the beginning and 1.3 GB in the end (delta: -365.0 MB). Peak memory consumption was 653.2 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:15,648 INFO L168 Benchmark]: CDTParser took 0.18 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 12:35:15,648 INFO L168 Benchmark]: CACSL2BoogieTranslator took 458.47 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 920.9 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:15,648 INFO L168 Benchmark]: Boogie Procedure Inliner took 109.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 920.9 MB in the beginning and 1.1 GB in the end (delta: -209.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:15,648 INFO L168 Benchmark]: Boogie Preprocessor took 71.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:15,648 INFO L168 Benchmark]: RCFGBuilder took 2048.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.7 MB). Peak memory consumption was 106.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:15,649 INFO L168 Benchmark]: TraceAbstraction took 38391.79 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 878.2 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -321.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 12:35:15,652 INFO L168 Benchmark]: Witness Printer took 170.27 ms. Allocated memory is still 2.0 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:35:15,654 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 458.47 ms. Allocated memory is still 1.0 GB. Free memory was 953.2 MB in the beginning and 920.9 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 109.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 920.9 MB in the beginning and 1.1 GB in the end (delta: -209.2 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.15 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2048.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 106.7 MB). Peak memory consumption was 106.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 38391.79 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 878.2 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -321.8 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 170.27 ms. Allocated memory is still 2.0 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 503]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((((!(a7 == 1) && a16 == 4) && !(a17 == 1)) || (((14 <= a8 && !(a16 == 6)) && !(a17 == 1)) && a20 <= 0)) || !(1 == \old(a20))) || (((14 <= a8 && !(a16 == 6)) && !(a17 == 1)) && !(a16 == 4))) || !(5 == \old(a16))) || ((!(a7 == 1) && 14 <= a8) && a20 <= 0)) || ((((1 == a20 && 13 == a8) && 4 == a16) && 1 == a21) && 1 == a17)) || (((a21 <= 0 && !(a17 == 1)) && 1 <= a20) && !(a16 == 4))) || !(1 == \old(a21))) || ((!(a7 == 1) && 14 <= a8) && !(a16 == 6))) || !(8 == a12)) || ((a21 <= 0 && !(a16 == 6)) && a20 <= 0)) || ((!(a7 == 1) && 14 <= a8) && !(a17 == 1))) || (((!(a7 == 1) && \old(a20) == a20) && !(a16 == 4)) && 1 == a17)) || !(0 == \old(a7))) || !(1 == \old(a17))) || !(15 == \old(a8))) || ((a21 <= 0 && \old(a20) == a20) && !(a16 == 6)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 38.3s OverallTime, 13 OverallIterations, 5 TraceHistogramMax, 23.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 1684 SDtfs, 11492 SDslu, 1873 SDs, 0 SdLazy, 12652 SolverSat, 2270 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.0s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 2256 GetRequests, 2080 SyntacticMatches, 17 SemanticMatches, 159 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 884 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7864occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 2.2s AbstIntTime, 7 AbstIntIterations, 4 AbstIntStrong, 0.9969331964163329 AbsIntWeakeningRatio, 0.23066104078762306 AbsIntAvgWeakeningVarsNumRemoved, 28.71589310829817 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 13 MinimizatonAttempts, 863 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 322 PreInvPairs, 596 NumberOfFragments, 1002 HoareAnnotationTreeSize, 322 FomulaSimplifications, 20106 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 18031 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 2834 NumberOfCodeBlocks, 2834 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3490 ConstructedInterpolants, 0 QuantifiedInterpolants, 1920715 SizeOfPredicates, 4 NumberOfNonLiveVariables, 1832 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 19 InterpolantComputations, 6 PerfectInterpolantSequences, 2210/2399 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...