./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label05_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e86843f8-4ed9-40fd-8bcd-b0053219289b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e86843f8-4ed9-40fd-8bcd-b0053219289b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e86843f8-4ed9-40fd-8bcd-b0053219289b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e86843f8-4ed9-40fd-8bcd-b0053219289b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label05_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e86843f8-4ed9-40fd-8bcd-b0053219289b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e86843f8-4ed9-40fd-8bcd-b0053219289b/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 49868ba3cc530a9d4dc385567f0a9711da3734c2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 17:05:37,032 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 17:05:37,033 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 17:05:37,040 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 17:05:37,040 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 17:05:37,041 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 17:05:37,041 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 17:05:37,042 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 17:05:37,043 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 17:05:37,044 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 17:05:37,045 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 17:05:37,045 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 17:05:37,045 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 17:05:37,046 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 17:05:37,047 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 17:05:37,047 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 17:05:37,048 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 17:05:37,049 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 17:05:37,050 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 17:05:37,051 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 17:05:37,052 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 17:05:37,053 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 17:05:37,054 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 17:05:37,054 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 17:05:37,055 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 17:05:37,055 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 17:05:37,056 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 17:05:37,057 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 17:05:37,057 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 17:05:37,058 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 17:05:37,058 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 17:05:37,058 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 17:05:37,059 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 17:05:37,059 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 17:05:37,059 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 17:05:37,060 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 17:05:37,060 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e86843f8-4ed9-40fd-8bcd-b0053219289b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 17:05:37,070 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 17:05:37,070 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 17:05:37,071 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 17:05:37,071 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 17:05:37,071 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 17:05:37,071 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 17:05:37,071 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 17:05:37,071 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 17:05:37,071 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 17:05:37,072 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 17:05:37,072 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 17:05:37,072 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 17:05:37,072 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 17:05:37,072 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 17:05:37,072 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 17:05:37,072 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 17:05:37,073 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 17:05:37,073 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 17:05:37,073 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 17:05:37,073 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 17:05:37,073 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 17:05:37,073 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 17:05:37,073 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 17:05:37,073 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 17:05:37,074 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 17:05:37,074 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 17:05:37,074 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 17:05:37,074 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 17:05:37,074 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 17:05:37,074 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 17:05:37,074 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 17:05:37,074 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 17:05:37,074 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 17:05:37,074 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 17:05:37,074 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 17:05:37,074 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 17:05:37,075 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_e86843f8-4ed9-40fd-8bcd-b0053219289b/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 -> 49868ba3cc530a9d4dc385567f0a9711da3734c2 [2018-12-08 17:05:37,097 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 17:05:37,106 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 17:05:37,109 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 17:05:37,110 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 17:05:37,110 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 17:05:37,111 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e86843f8-4ed9-40fd-8bcd-b0053219289b/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label05_true-unreach-call_false-termination.c [2018-12-08 17:05:37,148 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e86843f8-4ed9-40fd-8bcd-b0053219289b/bin-2019/utaipan/data/a9d33e9a5/59b63e2262724bd8ba1d5511418f9f18/FLAGf09c38cdf [2018-12-08 17:05:37,557 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 17:05:37,557 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e86843f8-4ed9-40fd-8bcd-b0053219289b/sv-benchmarks/c/eca-rers2012/Problem02_label05_true-unreach-call_false-termination.c [2018-12-08 17:05:37,564 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e86843f8-4ed9-40fd-8bcd-b0053219289b/bin-2019/utaipan/data/a9d33e9a5/59b63e2262724bd8ba1d5511418f9f18/FLAGf09c38cdf [2018-12-08 17:05:37,894 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e86843f8-4ed9-40fd-8bcd-b0053219289b/bin-2019/utaipan/data/a9d33e9a5/59b63e2262724bd8ba1d5511418f9f18 [2018-12-08 17:05:37,899 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 17:05:37,902 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 17:05:37,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 17:05:37,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 17:05:37,907 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 17:05:37,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:05:37" (1/1) ... [2018-12-08 17:05:37,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fdfc843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:37, skipping insertion in model container [2018-12-08 17:05:37,911 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 05:05:37" (1/1) ... [2018-12-08 17:05:37,917 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 17:05:37,941 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 17:05:38,110 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:05:38,113 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 17:05:38,196 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 17:05:38,205 INFO L195 MainTranslator]: Completed translation [2018-12-08 17:05:38,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:38 WrapperNode [2018-12-08 17:05:38,206 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 17:05:38,206 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 17:05:38,207 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 17:05:38,207 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 17:05:38,212 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:38" (1/1) ... [2018-12-08 17:05:38,220 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:38" (1/1) ... [2018-12-08 17:05:38,225 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 17:05:38,225 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 17:05:38,225 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 17:05:38,225 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 17:05:38,231 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:38" (1/1) ... [2018-12-08 17:05:38,231 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:38" (1/1) ... [2018-12-08 17:05:38,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:38" (1/1) ... [2018-12-08 17:05:38,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:38" (1/1) ... [2018-12-08 17:05:38,249 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:38" (1/1) ... [2018-12-08 17:05:38,257 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:38" (1/1) ... [2018-12-08 17:05:38,259 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:38" (1/1) ... [2018-12-08 17:05:38,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 17:05:38,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 17:05:38,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 17:05:38,263 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 17:05:38,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e86843f8-4ed9-40fd-8bcd-b0053219289b/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 17:05:38,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 17:05:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 17:05:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 17:05:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 17:05:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 17:05:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 17:05:38,304 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 17:05:38,304 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 17:05:38,881 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 17:05:38,881 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 17:05:38,881 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:05:38 BoogieIcfgContainer [2018-12-08 17:05:38,881 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 17:05:38,882 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 17:05:38,882 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 17:05:38,885 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 17:05:38,885 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 05:05:37" (1/3) ... [2018-12-08 17:05:38,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb56102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:05:38, skipping insertion in model container [2018-12-08 17:05:38,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 05:05:38" (2/3) ... [2018-12-08 17:05:38,886 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5eb56102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 05:05:38, skipping insertion in model container [2018-12-08 17:05:38,886 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:05:38" (3/3) ... [2018-12-08 17:05:38,888 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label05_true-unreach-call_false-termination.c [2018-12-08 17:05:38,895 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 17:05:38,902 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 17:05:38,915 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 17:05:38,938 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 17:05:38,938 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 17:05:38,938 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 17:05:38,938 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 17:05:38,938 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 17:05:38,938 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 17:05:38,938 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 17:05:38,939 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 17:05:38,953 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-08 17:05:38,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 17:05:38,960 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:05:38,960 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:05:38,962 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:05:38,965 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:05:38,965 INFO L82 PathProgramCache]: Analyzing trace with hash -2092008314, now seen corresponding path program 1 times [2018-12-08 17:05:38,967 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:05:38,997 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:05:38,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:05:38,998 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:05:38,998 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:05:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:05:39,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:05:39,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:05:39,216 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-08 17:05:39,216 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:05:39,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 17:05:39,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:05:39,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:05:39,229 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-08 17:05:39,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:05:39,672 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-12-08 17:05:39,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:05:39,673 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 132 [2018-12-08 17:05:39,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:05:39,681 INFO L225 Difference]: With dead ends: 618 [2018-12-08 17:05:39,681 INFO L226 Difference]: Without dead ends: 320 [2018-12-08 17:05:39,684 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-08 17:05:39,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-08 17:05:39,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-12-08 17:05:39,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-12-08 17:05:39,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 465 transitions. [2018-12-08 17:05:39,724 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 465 transitions. Word has length 132 [2018-12-08 17:05:39,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:05:39,725 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 465 transitions. [2018-12-08 17:05:39,725 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 17:05:39,725 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 465 transitions. [2018-12-08 17:05:39,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-08 17:05:39,729 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:05:39,729 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:05:39,729 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:05:39,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:05:39,730 INFO L82 PathProgramCache]: Analyzing trace with hash 682738721, now seen corresponding path program 1 times [2018-12-08 17:05:39,730 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:05:39,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:05:39,731 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:05:39,731 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:05:39,731 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:05:39,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:05:39,882 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:05:39,883 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:05:39,883 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 17:05:39,883 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:05:39,884 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 17:05:39,884 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 17:05:39,884 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 17:05:39,884 INFO L87 Difference]: Start difference. First operand 320 states and 465 transitions. Second operand 5 states. [2018-12-08 17:05:40,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:05:40,240 INFO L93 Difference]: Finished difference Result 721 states and 1089 transitions. [2018-12-08 17:05:40,240 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 17:05:40,240 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 140 [2018-12-08 17:05:40,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:05:40,243 INFO L225 Difference]: With dead ends: 721 [2018-12-08 17:05:40,243 INFO L226 Difference]: Without dead ends: 320 [2018-12-08 17:05:40,245 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 17:05:40,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-08 17:05:40,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-12-08 17:05:40,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-12-08 17:05:40,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 461 transitions. [2018-12-08 17:05:40,258 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 461 transitions. Word has length 140 [2018-12-08 17:05:40,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:05:40,258 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 461 transitions. [2018-12-08 17:05:40,258 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 17:05:40,258 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 461 transitions. [2018-12-08 17:05:40,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 17:05:40,261 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:05:40,261 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:05:40,261 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:05:40,261 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:05:40,262 INFO L82 PathProgramCache]: Analyzing trace with hash -2067720747, now seen corresponding path program 1 times [2018-12-08 17:05:40,262 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:05:40,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:05:40,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:05:40,263 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:05:40,263 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:05:40,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:05:40,450 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:05:40,450 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:05:40,450 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 17:05:40,451 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:05:40,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 17:05:40,451 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 17:05:40,451 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 17:05:40,451 INFO L87 Difference]: Start difference. First operand 320 states and 461 transitions. Second operand 5 states. [2018-12-08 17:05:40,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:05:40,747 INFO L93 Difference]: Finished difference Result 717 states and 1075 transitions. [2018-12-08 17:05:40,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 17:05:40,747 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 146 [2018-12-08 17:05:40,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:05:40,748 INFO L225 Difference]: With dead ends: 717 [2018-12-08 17:05:40,748 INFO L226 Difference]: Without dead ends: 320 [2018-12-08 17:05:40,749 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 17:05:40,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-08 17:05:40,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-12-08 17:05:40,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-12-08 17:05:40,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 455 transitions. [2018-12-08 17:05:40,756 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 455 transitions. Word has length 146 [2018-12-08 17:05:40,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:05:40,756 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 455 transitions. [2018-12-08 17:05:40,756 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 17:05:40,756 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 455 transitions. [2018-12-08 17:05:40,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-08 17:05:40,757 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:05:40,757 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:05:40,757 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:05:40,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:05:40,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1033618530, now seen corresponding path program 1 times [2018-12-08 17:05:40,758 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:05:40,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:05:40,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:05:40,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:05:40,759 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:05:40,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:05:40,802 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:05:40,802 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:05:40,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 17:05:40,803 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:05:40,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 17:05:40,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 17:05:40,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 17:05:40,804 INFO L87 Difference]: Start difference. First operand 320 states and 455 transitions. Second operand 6 states. [2018-12-08 17:05:41,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:05:41,194 INFO L93 Difference]: Finished difference Result 951 states and 1383 transitions. [2018-12-08 17:05:41,194 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:05:41,194 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2018-12-08 17:05:41,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:05:41,196 INFO L225 Difference]: With dead ends: 951 [2018-12-08 17:05:41,196 INFO L226 Difference]: Without dead ends: 637 [2018-12-08 17:05:41,197 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 17:05:41,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2018-12-08 17:05:41,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 626. [2018-12-08 17:05:41,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-12-08 17:05:41,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 870 transitions. [2018-12-08 17:05:41,210 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 870 transitions. Word has length 154 [2018-12-08 17:05:41,210 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:05:41,210 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 870 transitions. [2018-12-08 17:05:41,210 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 17:05:41,210 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 870 transitions. [2018-12-08 17:05:41,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-08 17:05:41,212 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:05:41,212 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:05:41,212 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:05:41,212 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:05:41,212 INFO L82 PathProgramCache]: Analyzing trace with hash -1394591014, now seen corresponding path program 1 times [2018-12-08 17:05:41,212 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:05:41,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:05:41,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:05:41,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:05:41,213 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:05:41,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:05:41,329 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:05:41,330 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:05:41,330 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 17:05:41,330 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:05:41,330 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 17:05:41,330 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 17:05:41,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 17:05:41,330 INFO L87 Difference]: Start difference. First operand 626 states and 870 transitions. Second operand 5 states. [2018-12-08 17:05:41,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:05:41,693 INFO L93 Difference]: Finished difference Result 1330 states and 1901 transitions. [2018-12-08 17:05:41,693 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 17:05:41,693 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 156 [2018-12-08 17:05:41,694 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:05:41,695 INFO L225 Difference]: With dead ends: 1330 [2018-12-08 17:05:41,695 INFO L226 Difference]: Without dead ends: 626 [2018-12-08 17:05:41,696 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 17:05:41,697 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-12-08 17:05:41,704 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2018-12-08 17:05:41,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-12-08 17:05:41,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 858 transitions. [2018-12-08 17:05:41,706 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 858 transitions. Word has length 156 [2018-12-08 17:05:41,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:05:41,706 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 858 transitions. [2018-12-08 17:05:41,706 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 17:05:41,706 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 858 transitions. [2018-12-08 17:05:41,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-08 17:05:41,708 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:05:41,708 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:05:41,708 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:05:41,708 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:05:41,708 INFO L82 PathProgramCache]: Analyzing trace with hash 124353046, now seen corresponding path program 1 times [2018-12-08 17:05:41,708 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:05:41,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:05:41,709 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:05:41,709 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:05:41,709 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:05:41,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:05:41,796 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:05:41,796 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:05:41,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-08 17:05:41,796 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:05:41,796 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-08 17:05:41,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-08 17:05:41,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 17:05:41,797 INFO L87 Difference]: Start difference. First operand 626 states and 858 transitions. Second operand 5 states. [2018-12-08 17:05:42,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:05:42,138 INFO L93 Difference]: Finished difference Result 1332 states and 1876 transitions. [2018-12-08 17:05:42,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 17:05:42,138 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 158 [2018-12-08 17:05:42,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:05:42,139 INFO L225 Difference]: With dead ends: 1332 [2018-12-08 17:05:42,140 INFO L226 Difference]: Without dead ends: 626 [2018-12-08 17:05:42,141 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-08 17:05:42,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2018-12-08 17:05:42,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2018-12-08 17:05:42,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 626 states. [2018-12-08 17:05:42,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 842 transitions. [2018-12-08 17:05:42,149 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 842 transitions. Word has length 158 [2018-12-08 17:05:42,150 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:05:42,150 INFO L480 AbstractCegarLoop]: Abstraction has 626 states and 842 transitions. [2018-12-08 17:05:42,150 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-08 17:05:42,150 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 842 transitions. [2018-12-08 17:05:42,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-08 17:05:42,151 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:05:42,151 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:05:42,151 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:05:42,151 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:05:42,152 INFO L82 PathProgramCache]: Analyzing trace with hash 660846734, now seen corresponding path program 1 times [2018-12-08 17:05:42,152 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:05:42,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:05:42,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:05:42,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:05:42,152 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:05:42,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:05:42,194 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:05:42,194 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 17:05:42,194 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-08 17:05:42,194 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:05:42,195 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 17:05:42,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 17:05:42,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 17:05:42,195 INFO L87 Difference]: Start difference. First operand 626 states and 842 transitions. Second operand 6 states. [2018-12-08 17:05:42,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:05:42,601 INFO L93 Difference]: Finished difference Result 1858 states and 2598 transitions. [2018-12-08 17:05:42,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-08 17:05:42,601 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2018-12-08 17:05:42,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:05:42,605 INFO L225 Difference]: With dead ends: 1858 [2018-12-08 17:05:42,605 INFO L226 Difference]: Without dead ends: 1238 [2018-12-08 17:05:42,607 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-08 17:05:42,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1238 states. [2018-12-08 17:05:42,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1238 to 1218. [2018-12-08 17:05:42,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1218 states. [2018-12-08 17:05:42,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 1218 states and 1635 transitions. [2018-12-08 17:05:42,630 INFO L78 Accepts]: Start accepts. Automaton has 1218 states and 1635 transitions. Word has length 162 [2018-12-08 17:05:42,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:05:42,630 INFO L480 AbstractCegarLoop]: Abstraction has 1218 states and 1635 transitions. [2018-12-08 17:05:42,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 17:05:42,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1635 transitions. [2018-12-08 17:05:42,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-08 17:05:42,633 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:05:42,633 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:05:42,634 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:05:42,634 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:05:42,634 INFO L82 PathProgramCache]: Analyzing trace with hash -390409458, now seen corresponding path program 1 times [2018-12-08 17:05:42,634 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:05:42,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:05:42,635 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:05:42,635 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:05:42,635 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:05:42,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:05:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 86 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:05:42,692 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:05:42,692 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:05:42,693 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 197 with the following transitions: [2018-12-08 17:05:42,694 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [107], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [735], [737], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 17:05:42,720 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:05:42,720 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:05:43,108 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 17:05:43,109 INFO L272 AbstractInterpreter]: Visited 136 different actions 266 times. Merged at 4 different actions 4 times. Never widened. Performed 2982 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2982 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 38 variables. [2018-12-08 17:05:43,114 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:05:43,114 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 17:05:43,358 INFO L227 lantSequenceWeakener]: Weakened 193 states. On average, predicates are now at 82.75% of their original sizes. [2018-12-08 17:05:43,358 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 17:05:43,408 INFO L418 sIntCurrentIteration]: We unified 195 AI predicates to 195 [2018-12-08 17:05:43,409 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 17:05:43,409 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:05:43,409 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-08 17:05:43,409 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:05:43,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 17:05:43,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 17:05:43,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 17:05:43,410 INFO L87 Difference]: Start difference. First operand 1218 states and 1635 transitions. Second operand 10 states. [2018-12-08 17:05:46,182 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:05:46,182 INFO L93 Difference]: Finished difference Result 3178 states and 4247 transitions. [2018-12-08 17:05:46,182 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-12-08 17:05:46,182 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 196 [2018-12-08 17:05:46,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:05:46,188 INFO L225 Difference]: With dead ends: 3178 [2018-12-08 17:05:46,188 INFO L226 Difference]: Without dead ends: 1966 [2018-12-08 17:05:46,190 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 205 GetRequests, 187 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-08 17:05:46,192 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1966 states. [2018-12-08 17:05:46,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1966 to 1956. [2018-12-08 17:05:46,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1956 states. [2018-12-08 17:05:46,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1956 states to 1956 states and 2481 transitions. [2018-12-08 17:05:46,229 INFO L78 Accepts]: Start accepts. Automaton has 1956 states and 2481 transitions. Word has length 196 [2018-12-08 17:05:46,230 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:05:46,230 INFO L480 AbstractCegarLoop]: Abstraction has 1956 states and 2481 transitions. [2018-12-08 17:05:46,230 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 17:05:46,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1956 states and 2481 transitions. [2018-12-08 17:05:46,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-08 17:05:46,233 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:05:46,233 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:05:46,233 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:05:46,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:05:46,233 INFO L82 PathProgramCache]: Analyzing trace with hash -2027142497, now seen corresponding path program 1 times [2018-12-08 17:05:46,234 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:05:46,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:05:46,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:05:46,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:05:46,234 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:05:46,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:05:46,368 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 81 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:05:46,368 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:05:46,368 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:05:46,369 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 201 with the following transitions: [2018-12-08 17:05:46,369 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [735], [737], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 17:05:46,371 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:05:46,372 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:05:46,549 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:05:46,549 INFO L272 AbstractInterpreter]: Visited 138 different actions 409 times. Merged at 7 different actions 17 times. Never widened. Performed 4831 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4831 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-08 17:05:46,550 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:05:46,551 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:05:46,551 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:05:46,551 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e86843f8-4ed9-40fd-8bcd-b0053219289b/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 17:05:46,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:05:46,559 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:05:46,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:05:46,622 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:05:46,672 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 17:05:46,672 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:05:46,745 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 95 proven. 2 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 17:05:46,761 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 17:05:46,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 5, 5] total 16 [2018-12-08 17:05:46,761 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 17:05:46,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-12-08 17:05:46,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-12-08 17:05:46,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2018-12-08 17:05:46,762 INFO L87 Difference]: Start difference. First operand 1956 states and 2481 transitions. Second operand 14 states. [2018-12-08 17:05:48,263 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:05:48,263 INFO L93 Difference]: Finished difference Result 4947 states and 6363 transitions. [2018-12-08 17:05:48,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 17:05:48,264 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 200 [2018-12-08 17:05:48,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:05:48,268 INFO L225 Difference]: With dead ends: 4947 [2018-12-08 17:05:48,268 INFO L226 Difference]: Without dead ends: 2545 [2018-12-08 17:05:48,271 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 446 GetRequests, 412 SyntacticMatches, 2 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 179 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=297, Invalid=825, Unknown=0, NotChecked=0, Total=1122 [2018-12-08 17:05:48,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2545 states. [2018-12-08 17:05:48,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2545 to 2246. [2018-12-08 17:05:48,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2246 states. [2018-12-08 17:05:48,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 2246 states and 2634 transitions. [2018-12-08 17:05:48,301 INFO L78 Accepts]: Start accepts. Automaton has 2246 states and 2634 transitions. Word has length 200 [2018-12-08 17:05:48,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:05:48,301 INFO L480 AbstractCegarLoop]: Abstraction has 2246 states and 2634 transitions. [2018-12-08 17:05:48,302 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-12-08 17:05:48,302 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 2634 transitions. [2018-12-08 17:05:48,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-08 17:05:48,305 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 17:05:48,305 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 17:05:48,305 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 17:05:48,306 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:05:48,306 INFO L82 PathProgramCache]: Analyzing trace with hash 1559618823, now seen corresponding path program 1 times [2018-12-08 17:05:48,306 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 17:05:48,306 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:05:48,306 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:05:48,307 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 17:05:48,307 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 17:05:48,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:05:48,417 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 90 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 17:05:48,417 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:05:48,417 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 17:05:48,418 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 218 with the following transitions: [2018-12-08 17:05:48,418 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [324], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [635], [643], [651], [659], [667], [675], [683], [691], [699], [707], [715], [723], [731], [735], [737], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-08 17:05:48,421 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 17:05:48,421 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 17:05:48,623 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 17:05:48,624 INFO L272 AbstractInterpreter]: Visited 137 different actions 402 times. Merged at 6 different actions 13 times. Never widened. Performed 4777 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4777 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-12-08 17:05:48,625 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 17:05:48,625 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 17:05:48,625 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 17:05:48,625 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e86843f8-4ed9-40fd-8bcd-b0053219289b/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 17:05:48,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 17:05:48,631 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 17:05:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 17:05:48,676 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 17:05:48,704 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 17:05:48,704 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 17:05:48,751 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-08 17:05:48,766 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 17:05:48,766 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-08 17:05:48,766 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 17:05:48,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 17:05:48,767 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 17:05:48,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:05:48,767 INFO L87 Difference]: Start difference. First operand 2246 states and 2634 transitions. Second operand 3 states. [2018-12-08 17:05:48,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 17:05:48,985 INFO L93 Difference]: Finished difference Result 4777 states and 5678 transitions. [2018-12-08 17:05:48,985 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 17:05:48,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 217 [2018-12-08 17:05:48,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 17:05:48,986 INFO L225 Difference]: With dead ends: 4777 [2018-12-08 17:05:48,986 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 17:05:48,991 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 439 GetRequests, 432 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-08 17:05:48,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 17:05:48,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 17:05:48,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 17:05:48,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 17:05:48,992 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 217 [2018-12-08 17:05:48,992 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 17:05:48,992 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 17:05:48,992 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 17:05:48,992 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 17:05:48,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 17:05:48,995 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 17:05:49,031 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:05:49,038 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:05:49,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:05:49,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:05:49,044 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:05:49,045 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:05:49,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:05:49,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:05:49,053 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:05:49,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:05:49,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:05:49,057 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:05:49,061 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 17:05:49,496 WARN L180 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 81 [2018-12-08 17:05:49,683 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:05:49,683 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a17~0)| ~a17~0) (= |old(~a25~0)| ~a25~0) (= ~a28~0 |old(~a28~0)|)) [2018-12-08 17:05:49,683 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:05:49,683 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,683 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,683 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,683 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,684 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,684 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-08 17:05:49,684 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-08 17:05:49,684 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-08 17:05:49,684 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-08 17:05:49,684 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-08 17:05:49,684 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-08 17:05:49,684 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-08 17:05:49,684 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-08 17:05:49,684 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-08 17:05:49,684 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-08 17:05:49,684 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-08 17:05:49,684 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-08 17:05:49,684 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-08 17:05:49,684 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,685 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,685 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,685 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,685 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-08 17:05:49,685 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,685 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-08 17:05:49,685 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-08 17:05:49,685 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-08 17:05:49,685 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-08 17:05:49,685 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-08 17:05:49,685 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-08 17:05:49,685 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-08 17:05:49,685 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-08 17:05:49,686 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-08 17:05:49,686 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-08 17:05:49,686 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-08 17:05:49,686 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-08 17:05:49,686 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-08 17:05:49,686 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-08 17:05:49,686 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-08 17:05:49,686 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,686 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,686 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,686 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,686 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,686 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-08 17:05:49,686 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-08 17:05:49,687 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-08 17:05:49,687 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-08 17:05:49,687 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-08 17:05:49,687 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-08 17:05:49,687 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-08 17:05:49,687 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-08 17:05:49,687 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-08 17:05:49,687 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-08 17:05:49,687 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-08 17:05:49,687 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,687 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,687 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,687 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,687 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,688 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-08 17:05:49,688 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-08 17:05:49,688 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-08 17:05:49,688 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-08 17:05:49,688 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-08 17:05:49,688 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-08 17:05:49,688 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-08 17:05:49,688 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-08 17:05:49,688 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-08 17:05:49,688 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-08 17:05:49,688 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-08 17:05:49,688 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-08 17:05:49,688 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-08 17:05:49,688 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,688 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,688 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,688 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,688 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-08 17:05:49,689 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-08 17:05:49,690 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-08 17:05:49,691 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,692 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,692 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,692 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse7 (= |old(~a17~0)| ~a17~0)) (.cse8 (= |old(~a25~0)| ~a25~0)) (.cse9 (= ~a28~0 |old(~a28~0)|)) (.cse11 (= 1 |old(~a11~0)|)) (.cse22 (= 1 |old(~a19~0)|)) (.cse16 (= 1 |old(~a25~0)|)) (.cse19 (= 1 ~a11~0)) (.cse20 (= 1 ~a19~0))) (let ((.cse12 (< 9 |old(~a28~0)|)) (.cse15 (< 7 |old(~a17~0)|)) (.cse0 (and .cse19 .cse20)) (.cse3 (not .cse16)) (.cse21 (= 9 |old(~a28~0)|)) (.cse4 (not .cse22)) (.cse18 (not (= 7 |old(~a28~0)|))) (.cse5 (not (= 8 |old(~a17~0)|))) (.cse6 (not .cse11)) (.cse17 (= 8 |old(~a28~0)|)) (.cse14 (and .cse7 .cse8 .cse9)) (.cse1 (not (= 1 ~a21~0))) (.cse2 (not (= 10 |old(~a28~0)|))) (.cse13 (not (= |old(~a17~0)| 8))) (.cse10 (not (= ~a11~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse1 (and .cse7 .cse8 .cse9 .cse10) .cse11 .cse12 .cse13) (or .cse1 .cse2 .cse14 .cse15 .cse16) (or .cse1 .cse12 .cse17 .cse14 .cse15) (or .cse1 .cse18 .cse3 .cse4 .cse6 .cse0 (not (= 7 |old(~a17~0)|))) (or .cse1 .cse3 .cse4 .cse5 (and .cse19 (= 1 ~a25~0) (= 9 ~a28~0) (= 8 ~a17~0) .cse20) (not .cse21) .cse6) (or .cse10 .cse1 .cse11 .cse13 .cse16) (or (or .cse1 .cse17 .cse21 .cse13) .cse14) (or (and (= ~a11~0 0) (= ~a19~0 1)) .cse1 .cse4 (= 0 |old(~a28~0)|) (not (= 0 |old(~a11~0)|)) .cse5 (= |calculate_output_#in~input| 0)) (or .cse22 .cse1 .cse18 .cse5 (and .cse19 (not .cse20)) .cse6 .cse16) (or (or .cse1 .cse17 .cse13 .cse16) .cse14) (or .cse1 .cse11 .cse2 .cse13 .cse10)))) [2018-12-08 17:05:49,692 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,692 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,692 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,692 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-08 17:05:49,692 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-08 17:05:49,692 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-08 17:05:49,692 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-08 17:05:49,692 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-08 17:05:49,693 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 550) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-08 17:05:49,694 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-08 17:05:49,695 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-08 17:05:49,695 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-08 17:05:49,695 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-08 17:05:49,695 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-08 17:05:49,695 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-08 17:05:49,695 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 17:05:49,695 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-08 17:05:49,695 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 17:05:49,695 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 17:05:49,695 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a19~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 |old(~a28~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|))) [2018-12-08 17:05:49,695 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 7)) (.cse2 (not (= ~a25~0 1))) (.cse3 (= |old(~a17~0)| ~a17~0)) (.cse1 (not (= ~a28~0 8)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 (<= ~a28~0 9)) (and .cse2 .cse3 .cse1) (and (= 9 ~a28~0) (= 8 ~a17~0) (= 1 ~a19~0)) (not (= 0 |old(~a25~0)|)) (and .cse3 (not (= ~a11~0 1))) (and .cse0 .cse2 (= 10 ~a28~0)) (and .cse3 .cse1 (not (= ~a28~0 9))) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)))) [2018-12-08 17:05:49,695 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-08 17:05:49,695 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-08 17:05:49,695 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (<= ~a17~0 7)) (.cse2 (not (= ~a25~0 1))) (.cse3 (= |old(~a17~0)| ~a17~0)) (.cse1 (not (= ~a28~0 8)))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) (and .cse0 .cse1 (<= ~a28~0 9)) (and .cse2 .cse3 .cse1) (and (= 9 ~a28~0) (= 8 ~a17~0) (= 1 ~a19~0)) (not (= 0 |old(~a25~0)|)) (and .cse3 (not (= ~a11~0 1))) (and .cse0 .cse2 (= 10 ~a28~0)) (and .cse3 .cse1 (not (= ~a28~0 9))) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)))) [2018-12-08 17:05:49,695 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-08 17:05:49,695 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-08 17:05:49,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 05:05:49 BoogieIcfgContainer [2018-12-08 17:05:49,704 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 17:05:49,704 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 17:05:49,704 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 17:05:49,704 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 17:05:49,705 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 05:05:38" (3/4) ... [2018-12-08 17:05:49,707 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 17:05:49,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 17:05:49,710 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 17:05:49,711 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 17:05:49,719 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 17:05:49,720 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 17:05:49,737 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || ((a17 <= 7 && !(a28 == 8)) && a28 <= 9)) || ((!(a25 == 1) && \old(a17) == a17) && !(a28 == 8))) || ((9 == a28 && 8 == a17) && 1 == a19)) || !(0 == \old(a25))) || (\old(a17) == a17 && !(a11 == 1))) || ((a17 <= 7 && !(a25 == 1)) && 10 == a28)) || ((\old(a17) == a17 && !(a28 == 8)) && !(a28 == 9))) || !(1 == \old(a19))) || !(8 == \old(a17)) [2018-12-08 17:05:49,797 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e86843f8-4ed9-40fd-8bcd-b0053219289b/bin-2019/utaipan/witness.graphml [2018-12-08 17:05:49,797 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 17:05:49,798 INFO L168 Benchmark]: Toolchain (without parser) took 11897.58 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 559.4 MB). Free memory was 941.6 MB in the beginning and 948.1 MB in the end (delta: -6.4 MB). Peak memory consumption was 553.0 MB. Max. memory is 11.5 GB. [2018-12-08 17:05:49,798 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 17:05:49,798 INFO L168 Benchmark]: CACSL2BoogieTranslator took 303.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-12-08 17:05:49,798 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.61 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. [2018-12-08 17:05:49,799 INFO L168 Benchmark]: Boogie Preprocessor took 37.56 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. [2018-12-08 17:05:49,799 INFO L168 Benchmark]: RCFGBuilder took 618.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.9 MB in the end (delta: 108.6 MB). Peak memory consumption was 108.6 MB. Max. memory is 11.5 GB. [2018-12-08 17:05:49,799 INFO L168 Benchmark]: TraceAbstraction took 10821.87 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 429.9 MB). Free memory was 995.9 MB in the beginning and 975.5 MB in the end (delta: 20.4 MB). Peak memory consumption was 450.3 MB. Max. memory is 11.5 GB. [2018-12-08 17:05:49,799 INFO L168 Benchmark]: Witness Printer took 92.80 ms. Allocated memory is still 1.6 GB. Free memory was 975.5 MB in the beginning and 948.1 MB in the end (delta: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. [2018-12-08 17:05:49,801 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 303.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.5 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -173.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.61 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. * Boogie Preprocessor took 37.56 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 618.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 995.9 MB in the end (delta: 108.6 MB). Peak memory consumption was 108.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10821.87 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 429.9 MB). Free memory was 995.9 MB in the beginning and 975.5 MB in the end (delta: 20.4 MB). Peak memory consumption was 450.3 MB. Max. memory is 11.5 GB. * Witness Printer took 92.80 ms. Allocated memory is still 1.6 GB. Free memory was 975.5 MB in the beginning and 948.1 MB in the end (delta: 27.5 MB). Peak memory consumption was 27.5 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 550]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((((((((((!(1 == a21) || !(7 == \old(a28))) || !(0 == \old(a11))) || ((a17 <= 7 && !(a28 == 8)) && a28 <= 9)) || ((!(a25 == 1) && \old(a17) == a17) && !(a28 == 8))) || ((9 == a28 && 8 == a17) && 1 == a19)) || !(0 == \old(a25))) || (\old(a17) == a17 && !(a11 == 1))) || ((a17 <= 7 && !(a25 == 1)) && 10 == a28)) || ((\old(a17) == a17 && !(a28 == 8)) && !(a28 == 9))) || !(1 == \old(a19))) || !(8 == \old(a17)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 10.7s OverallTime, 10 OverallIterations, 4 TraceHistogramMax, 7.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 605 SDtfs, 5830 SDslu, 618 SDs, 0 SdLazy, 7711 SolverSat, 1383 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1145 GetRequests, 1053 SyntacticMatches, 10 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 244 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2246occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.8s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9976522994170052 AbsIntWeakeningRatio, 0.16923076923076924 AbsIntAvgWeakeningVarsNumRemoved, 26.866666666666667 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 10 MinimizatonAttempts, 340 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 85 PreInvPairs, 135 NumberOfFragments, 589 HoareAnnotationTreeSize, 85 FomulaSimplifications, 2318 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 2311 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2078 NumberOfCodeBlocks, 2078 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2481 ConstructedInterpolants, 0 QuantifiedInterpolants, 2005419 SizeOfPredicates, 2 NumberOfNonLiveVariables, 983 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 14 InterpolantComputations, 9 PerfectInterpolantSequences, 757/791 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...